{ "model": { "rank": 3423, "code": "thing-q6498398", "model_id": "vr.tr.mechanical-fan", "name": "mechanical fan", "purpose": "Enable an AI agent to recognise a mechanical fan, assess its airflow-producing state and suitability, and determine what operation or maintenance is appropriate.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q6498398/", "tier": 2, "score": 86, "payload": { "layer": "wikidata", "aliases": [ "misting fan", "exhaust ventilation", "centrifugal fan", "pedestal fan", "desk fan", "USB fans", "tower fan", "tangential fan", "box fan", "leaf blower", "portable fan", "electric fan", "high-volume low-speed fan", "Industrial fan", "axial fan", "ducted fan", "stove fan" ], "aliasCount": 17, "merged": 17, "knownIn": 86, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q6498398", "url": "https://www.wikidata.org/wiki/Q6498398", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:42:57Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 30.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c51-4761-7080-b405-a5dd2d33f75a\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: mechanical fan\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 546 things:\n# Batch 003: 1001 r", "usd": 0, "recall": true }, "codex": { "seconds": 80.8, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c51-4771-7450-88fc-769575edaf53\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: mechanical fan\nRegistry id: vr.tr.mechanical-fan\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (no" } } }, "metaModel": { "id": "THING-Q6498398", "registryId": "vr.tr.mechanical-fan", "name": "mechanical fan", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q6498398/", "model": { "registry_id": "vr.tr.mechanical-fan", "name": "mechanical fan", "purpose": "Enable an AI agent to recognise a mechanical fan, assess its airflow-producing state and suitability, and determine what operation or maintenance is appropriate.", "definition": "A mechanical fan is a machine that uses a rotating bladed impeller to transfer mechanical energy to air or another gas, producing flow and a relatively small pressure rise for circulation, ventilation, cooling or process service.", "scope_statement": "This model owns the mechanical-fan kind identified by vr.tr.mechanical-fan in PHY / PHY.OBJ: a device whose driven rotating blades or impeller move air or another gas, including the fan assembly and its immediate drive, mounting, guarding and controls; product specifications and individual-unit observations supply evidence without defining separate kinds.", "in_scope": [ "Axial, centrifugal, mixed-flow and cross-flow fan arrangements", "Impeller, housing, inlet, outlet and airflow direction", "Drive, speed control, operating states and stopping behaviour", "Airflow performance under stated installation and gas conditions", "Fan-specific mounting, guarding, deterioration and maintenance" ], "out_of_scope": [ "Complete ventilation, air-conditioning or duct-distribution systems", "Refrigeration cycles and heat exchangers that change air temperature", "Liquid pumps and propulsion systems whose primary output is vehicle thrust", "Hand-waved fans without a rotating impeller", "Product-line catalogues, commercial offers and individual asset histories", "Compressors and blowers where the applicable technical classification places them outside the fan category" ], "distinguishing_features": [ "A driven rotating impeller transfers mechanical energy to a gas; a passive vent or grille has no such energy-transfer element.", "Its immediate useful output is gas flow and associated pressure rise; cooling a person or component is an application rather than evidence of a refrigeration cycle.", "The working medium is a gas rather than the liquid handled by a pump.", "The impeller may be concealed in a base or housing, so an apparently bladeless outlet does not establish the absence of a mechanical fan.", "Classification against a blower or compressor requires the stated technical convention and operating conditions; the marketed name alone is insufficient." ], "characteristics": [ { "name": "Flow arrangement", "kind": "category", "unit_or_values": "axial | centrifugal | mixed-flow | cross-flow | other | unknown", "why_it_matters": "Identifies how gas passes through the impeller and which installation and performance evidence is relevant." }, { "name": "Impeller dimensions and clearance", "kind": "measurement", "unit_or_values": "diameter, width and relevant stationary-part clearances in mm", "why_it_matters": "Supports identification, fit assessment and detection of rubbing or unsuitable replacement parts." }, { "name": "Volume flow rate", "kind": "measurement", "unit_or_values": "m³/s, with speed, pressure basis, gas conditions and test configuration", "why_it_matters": "Describes delivered flow without confusing free-air ratings with installed performance." }, { "name": "Pressure rise", "kind": "measurement", "unit_or_values": "Pa, identifying static or total pressure and measurement locations", "why_it_matters": "Indicates the resistance the fan can overcome at a specified flow." }, { "name": "Rotational speed and direction", "kind": "measurement", "unit_or_values": "r/min and direction viewed from an explicitly named side", "why_it_matters": "Supports operating-point interpretation and detection of incorrect drive configuration." }, { "name": "Drive and energy supply", "kind": "category", "unit_or_values": "direct electric | belt-driven | shaft-driven | manual | other; supply requirements recorded separately", "why_it_matters": "Determines available control methods, failure paths and isolation requirements." }, { "name": "Input power", "kind": "measurement", "unit_or_values": "W, distinguishing electrical input from mechanical shaft input", "why_it_matters": "Supports load assessment and efficiency comparisons using compatible measurement boundaries." }, { "name": "Operating state", "kind": "state", "unit_or_values": "isolated | ready | starting | running | coasting | tripped | externally windmilling | unknown", "why_it_matters": "Distinguishes control commands from actual motion and exposure to stored or externally supplied energy." }, { "name": "Installation relationship", "kind": "relation", "unit_or_values": "serves equipment or space; connects to inlet/outlet path; supported by mounting", "why_it_matters": "Relates fan performance and accessibility to the equipment and airflow path around it." }, { "name": "Condition indicators", "kind": "measurement", "unit_or_values": "vibration in m/s² or mm/s with method; temperature in °C; sound level in dB with weighting and measurement basis", "why_it_matters": "Supports trend-based diagnosis without treating unrelated measurement methods as interchangeable." } ], "affordances": [ "Identify the fan arrangement and trace its intended gas-flow path.", "Assess suitability against a required flow and pressure operating point.", "Select an authorised speed, direction or oscillation setting where supported.", "Determine whether guarding, mounting and observed condition permit operation.", "Diagnose reduced airflow, rubbing, excessive vibration or drive overload from recorded evidence.", "Plan isolation, cleaning, inspection and component replacement using applicable instructions." ] }, "sources": [], "structure": { "bundles": [ { "id": "fan-identity-and-air-path", "name": "Fan identity and air path", "description": "Recognises the gas-moving mechanism and establishes the limits of the fan assembly.", "rationale": "Fans with similar outward appearances can contain different impellers, while a concealed impeller can be mistaken for a different operating principle.", "layers": [ { "id": "impeller-arrangement", "name": "Impeller arrangement", "description": "Identifies the rotating element and the path of gas through it.", "findings": [ { "id": "flow-geometry", "name": "Flow geometry", "description": "Record the impeller arrangement, inlet and outlet positions, and evidence for intended rotation.", "questions": [ { "text": "Does gas pass predominantly along the shaft, radially outward, across the rotor, or through a mixed-flow path?", "kind": "definition", "id": "flow-geometry-q01" }, { "text": "Which drawing, marking or inspection identifies the intended rotation and airflow direction?", "kind": "provenance", "id": "flow-geometry-q02" } ] } ] }, { "id": "assembly-boundary", "name": "Assembly boundary", "description": "Separates the fan assembly from the larger appliance or installation.", "findings": [ { "id": "included-fan-components", "name": "Included fan components", "description": "Identify the impeller, housing, drive and local controls, including components hidden inside a larger appliance.", "questions": [ { "text": "Which housing, drive, guards and controls belong to this fan assembly, and which belong to the host equipment?", "kind": "boundary", "id": "included-fan-components-q01" }, { "text": "Is a visible air-delivery ring or nozzle supplied by a concealed rotating impeller elsewhere in the assembly?", "kind": "definition", "id": "included-fan-components-q02" } ] } ] } ] }, { "id": "airflow-performance", "name": "Airflow performance", "description": "Relates delivered gas flow and pressure rise to speed, gas conditions and installation resistance.", "rationale": "A fan's usefulness cannot be judged from diameter or an unqualified maximum-flow rating alone.", "layers": [ { "id": "performance-evidence", "name": "Performance evidence", "description": "Defines the conditions and boundaries attached to fan ratings.", "findings": [ { "id": "qualified-fan-curve", "name": "Qualified fan curve", "description": "Record available flow-pressure data together with speed, gas conditions, pressure convention and test arrangement.", "questions": [ { "text": "What flow-pressure curve or measured operating points are available at the intended speed?", "kind": "measurement", "id": "qualified-fan-curve-q01" }, { "text": "Which test method, gas density and inlet/outlet arrangement underpin these data, and is pressure static or total?", "kind": "provenance", "id": "qualified-fan-curve-q02" } ] } ] }, { "id": "installed-duty", "name": "Installed duty", "description": "Assesses the fan against the resistance and flow demand of its actual air path.", "findings": [ { "id": "operating-point-fit", "name": "Operating-point fit", "description": "Relate the required duty to observed flow, pressure and relevant inlet or outlet restrictions.", "questions": [ { "text": "What flow and pressure are required, and what does the fan deliver with the installed ducts, grilles or filters?", "kind": "measurement", "id": "operating-point-fit-q01" }, { "text": "What evidence supports a speed adjustment or air-path correction without exceeding the permitted operating envelope?", "kind": "action", "id": "operating-point-fit-q02" } ] } ] } ] }, { "id": "drive-and-motion-control", "name": "Drive and motion control", "description": "Describes how torque reaches the impeller and how commands affect actual motion.", "rationale": "A fan can be commanded off while still rotating, and drive configuration affects speed, direction and loading.", "layers": [ { "id": "torque-and-speed", "name": "Torque and speed", "description": "Records the drive mechanism and supported control range.", "findings": [ { "id": "drive-compatibility", "name": "Drive compatibility", "description": "Identify the motor or external drive, transmission and documented speed-control compatibility.", "questions": [ { "text": "Is the impeller driven directly, through belts or through another transmission, and what speed results?", "kind": "measurement", "id": "drive-compatibility-q01" }, { "text": "Which supply and controller combinations are permitted by the fan and drive documentation?", "kind": "provenance", "id": "drive-compatibility-q02" } ] } ] }, { "id": "commanded-and-actual-state", "name": "Commanded and actual state", "description": "Distinguishes commands, protective trips and observed rotor movement.", "findings": [ { "id": "motion-and-restart", "name": "Motion and restart", "description": "Record running, coast-down, possible airflow-driven rotation and automatic restart behaviour.", "questions": [ { "text": "After a stop command, is the impeller stationary, coasting or being turned by external airflow?", "kind": "measurement", "id": "motion-and-restart-q01" }, { "text": "Which timer, thermostat, remote command or protective-reset condition can start the fan without a local command?", "kind": "action", "id": "motion-and-restart-q02" } ] } ] } ] }, { "id": "installation-and-exposure", "name": "Installation and exposure", "description": "Assesses mechanical support, access to rotating parts and suitability for the surrounding environment.", "rationale": "Fan operation creates specific exposure to rotating blades, drawn-in material and mounting loads.", "layers": [ { "id": "mounting-and-access", "name": "Mounting and access", "description": "Connects mounting integrity and guarding to the installed fan arrangement.", "findings": [ { "id": "retention-and-guarding", "name": "Retention and guarding", "description": "Record support condition, rotor clearance and access through inlet and outlet openings.", "questions": [ { "text": "Are supports and fasteners intact, and is there evidence of movement, impeller contact or inadequate clearance?", "kind": "measurement", "id": "retention-and-guarding-q01" }, { "text": "What guards, barriers or interlocks prevent access to the impeller and exposed transmission in this installation?", "kind": "boundary", "id": "retention-and-guarding-q02" } ] } ] }, { "id": "gas-and-environment", "name": "Gas and environment", "description": "Checks the fan's documented suitability for the gas stream and external conditions.", "findings": [ { "id": "service-envelope", "name": "Service envelope", "description": "Record relevant temperature, moisture, contamination and hazardous-atmosphere limits with their evidence.", "questions": [ { "text": "What temperatures, moisture, dust, corrosive substances or flammable mixtures can reach the fan?", "kind": "measurement", "id": "service-envelope-q01" }, { "text": "Which manufacturer limits, certification records and governing standards with issuing bodies support use under those conditions?", "kind": "provenance", "id": "service-envelope-q02" } ] } ] } ] }, { "id": "degradation-and-service", "name": "Degradation and service", "description": "Connects fan-specific symptoms to inspection, maintenance and return-to-service evidence.", "rationale": "Deposits, blade damage, bearing deterioration and transmission faults can affect airflow and mechanical integrity together.", "layers": [ { "id": "fault-evidence", "name": "Fault evidence", "description": "Records symptoms and competing explanations without turning a symptom into an unsupported diagnosis.", "findings": [ { "id": "airflow-and-rotor-symptoms", "name": "Airflow and rotor symptoms", "description": "Compare reduced delivery, vibration, noise and heating with speed, blockage and physical condition.", "questions": [ { "text": "How have airflow, speed, vibration, sound and bearing or motor temperature changed under comparable conditions?", "kind": "measurement", "id": "airflow-and-rotor-symptoms-q01" }, { "text": "What inspection distinguishes blocked passages, blade deposits or damage, loose mounting, bearing wear and belt slip?", "kind": "action", "id": "airflow-and-rotor-symptoms-q02" } ] } ] }, { "id": "maintenance-and-return", "name": "Maintenance and return", "description": "Defines supported service actions and evidence needed before restarting.", "findings": [ { "id": "safe-fan-servicing", "name": "Safe fan servicing", "description": "Record isolation needs, cleaning constraints, serviceable parts and post-maintenance checks.", "questions": [ { "text": "What procedure isolates the drive and addresses residual or airflow-driven rotation before access?", "kind": "action", "id": "safe-fan-servicing-q01" }, { "text": "Which cleaning, lubrication, belt or bearing replacement tasks are specified, and what checks confirm clearance, guarding and acceptable operation afterward?", "kind": "action", "id": "safe-fan-servicing-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This describes the rotating gas-moving machine class, rather than a particular product model or individual unit; electric motors are common drives but are not essential to the definition.", "Standards are recalled by designation and scope; editions, applicability and jurisdictional adoption require verification.", "The dimensional and power ranges are illustrative of common small products, not limits for the fan class; airflow, pressure rise, speed, efficiency and noise require application-specific data." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Propeller axial-flow fan", "Tube-axial fan", "Vane-axial fan", "Centrifugal fan", "Mixed-flow fan", "Cross-flow fan" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "ISO 5801, issued by the International Organization for Standardization: fan performance testing using standardized airways.", "ANSI/AMCA 210 / ASHRAE 51, issued jointly by AMCA International and ASHRAE: laboratory methods for testing fans for certified aerodynamic performance ratings.", "IEC 60335-2-80, issued by the International Electrotechnical Commission: particular safety requirements for household and similar electric fans.", "ISO 14694, issued by the International Organization for Standardization: balance quality and vibration levels for industrial fans." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Moving outdoor and exhaust air through building ventilation systems.", "Increasing air movement around people to support convective and evaporative cooling.", "Removing heat from electronic equipment, motors and heat exchangers.", "Supplying combustion air and extracting flue gases in industrial equipment.", "Moving process air through drying, filtration and material-handling systems." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Impeller diameter of a household desk or pedestal fan", "typical_range": "Approximately 0.15-0.50", "unit": "m" }, { "quantity": "Electrical input power of a household desk or pedestal fan", "typical_range": "Approximately 15-100", "unit": "W" }, { "quantity": "Impeller diameter of an electronics cooling fan", "typical_range": "Approximately 40-140", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Bearing wear, inadequate lubrication or contamination can cause noise, overheating and seizure.", "Blade damage, deposits or imbalance can cause vibration, fatigue and eventual component failure.", "Contact with rotating blades can cause injury; guards and access protection depend on the installation.", "Motor faults, stalled operation or obstructed cooling can cause overheating and electrical fire.", "Unsuitable fans handling flammable gases or combustible dust can introduce ignition sources." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Mains-powered designs vary with local supply voltage and frequency, which can affect motor selection and operating speed.", "Airflow is commonly expressed in cubic metres per second or per hour in SI practice and cubic feet per minute in US practice.", "Applicable electrical safety, energy-efficiency and conformity requirements depend on jurisdiction and intended application." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Blower", "difference": "Often denotes a fan intended to develop greater pressure, but usage overlaps and the separating threshold depends on the technical convention." }, { "name": "Compressor", "difference": "Primarily raises gas pressure substantially; fan analysis generally involves much smaller density changes, although formal boundaries depend on the applicable standard." }, { "name": "Pump", "difference": "In the usual equipment distinction, a pump moves liquid while a fan moves gas; terminology overlaps for some gas-moving machinery." }, { "name": "Air conditioner", "difference": "An air conditioner actively changes air temperature and often humidity through a thermal process; a fan alone principally moves air." }, { "name": "Hand fan", "difference": "A hand fan moves air through manual sweeping or oscillation of a surface rather than a continuously rotating impeller." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of mechanical fan this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does an existing Vercy world model already cover mechanical fans and therefore own the publication for this registry entry?", "Which technical convention should govern the fan-blower-compressor boundary, and how should conflicting commercial terminology be recorded?", "Which standards and issuing bodies apply to household, industrial, embedded cooling and special-service fans in the intended jurisdictions?", "Which representative capacity and dimension ranges can be supported for each fan arrangement without presenting them as universal limits?", "How should integrated filters, oscillation mechanisms and air-multiplying outlets be divided between this model and host-appliance models?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a mechanical fan, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a mechanical fan, assess its airflow-producing state and suitability, and determine what operation or maintenance is appropriate.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: misting fan, exhaust ventilation, centrifugal fan, pedestal fan, desk fan, USB fans, tower fan, tangential fan, box fan, leaf blower, portable fan, electric fan.", "17 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 86 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a mechanical fan, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "misting fan", "exhaust ventilation", "centrifugal fan", "pedestal fan", "desk fan", "USB fans", "tower fan", "tangential fan", "box fan", "leaf blower", "portable fan", "electric fan" ] } ], "standing": "Described in 86 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 17 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one mechanical fan from another, and a mechanical fan from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a mechanical fan sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a mechanical fan from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a mechanical fan is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a mechanical fan is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a mechanical fan is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a mechanical fan is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a mechanical fan is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a mechanical fan is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a mechanical fan passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a mechanical fan between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a mechanical fan, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a mechanical fan is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What mechanical fan is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does mechanical fan perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise mechanical fan, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How mechanical fan is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does mechanical fan have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does mechanical fan need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about mechanical fan is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about mechanical fan hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern mechanical fan, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a mechanical fan came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a mechanical fan and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a mechanical fan is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a mechanical fan, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a mechanical fan, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a mechanical fan is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }