funnel
Enable an AI agent to identify a physical transfer funnel, assess its suitability and condition, and determine how it may be used to direct material into a receiving opening.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
recalled by Codex without web access - no source was read
Researched by: Codex
Purpose and description
Enable an AI agent to identify a physical transfer funnel, assess its suitability and condition, and determine how it may be used to direct material into a receiving opening.
A funnel is a transfer implement with a broad receiving opening that narrows to an outlet, used to guide liquids or sufficiently free-flowing particulate solids into a smaller opening.
It can be Select a funnel whose passage, materials and receiving interface suit a stated transfer.; Position and support the funnel while preserving the required receiver vent path.; Guide a liquid or pourable solid into a smaller opening within established operating limits.; Fit or remove compatible filters, strainers or valves when the configuration supports them.; Inspect and clean accessible passages, then assess readiness for a specified reuse.; Stop transfer and investigate accumulation, leakage, unstable support or restricted discharge..
Distinguishing features
Has a collecting mouth that converges toward a smaller discharge opening; a scoop or ladle normally retains material until tipped.
Guides material into a target opening rather than merely carrying it along an approximately uniform passage like a tube.
Its principal role is transfer through a constriction; substantial storage or independently controlled feeding suggests a hopper or feeder boundary.
A conical silhouette alone is insufficient: an exhaust stack or decorative cone does not perform this collecting-and-transfer function.
A filter support, stopcock or sealed connection identifies additional functions that require explicit subtype boundaries rather than assumptions about every funnel.
Scope
+ Funnels that collect liquids or pourable solids through a broad mouth and guide them through a narrower outlet
+ Body, stem, outlet, vent paths and integrated supports
+ Passive transfer and configurations with auxiliary filters, valves or transfer assistance
+ Compatibility with transferred material and receiving containers
+ Cleanliness, damage, blockage and readiness for reuse
- Marketing funnels and other metaphorical or mathematical senses
- Ship funnels, chimneys and exhaust ducts
- Storage hoppers and powered feeders whose primary role is storage or controlled dosing
- Receiving vessels, supply containers and the substances being transferred
- Complete filtration, vacuum or phase-separation apparatus beyond the funnel component
Characteristics
- Transfer configuration
- open transfer; filter-supporting; valved; assisted-transfer; other; unresolved Determines which operating constraints and neighbouring models apply.
- Mouth dimensions
- mm; internal diameter or width and length Determines how readily the mouth receives the incoming stream and fits beneath the supply container.
- Body profile
- conical; stepped; curved; asymmetric; collapsible; other Helps explain collection, drainage and material retention without assuming that every funnel is a simple cone.
- Minimum clear passage
- mm; minimum internal diameter or passage width, with restriction location Identifies restrictions that may limit flow or obstruct particles.
- Stem and insertion geometry
- mm; stem length, external dimensions and intended insertion depth Determines receiver fit, support and potential interference with escaping air.
- Usable holding volume
- mL or L, with orientation and specified fill limit Supports assessment of temporary accumulation before overflow.
- Wetted materials
- body, coating, seal and insert material identities; unknown where unverified Compatibility depends on all surfaces contacted by the transferred material.
- Transferred-material compatibility
- material or mixture linked to documented temperature, concentration and contact-duration limits Supports suitability decisions without treating a material name as a universal compatibility guarantee.
- Receiver vent arrangement
- clearance around stem; funnel vent channel; separate receiver vent; sealed; unknown Records how displaced gas leaves the receiver during filling.
- Observed transfer rate
- mL/s, L/min or g/s, with material, temperature, fill head and receiver arrangement Makes performance observations interpretable instead of assigning an unconditional flow capacity.
- Support arrangement
- hand-held; receiver-supported; stand-supported; attached mounting, with compatible interface Determines whether the funnel can remain stable during filling.
- Readiness condition
- ready for specified use; cleaning required; obstructed; damaged; compatibility unverified; inspection required Connects observed condition to permitted next actions.
Also called
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.funnel
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 16 findings · 27 questions.
Identity and transfer role Establishes the physical sense of funnel and the transfer function covered.
The name also denotes unrelated objects and processes, while specialised funnels add functions beyond ordinary pouring.
Physical funnel boundary
Recognises the collecting mouth and converging discharge path.
Collect-and-direct function
Record evidence that the object gathers incoming material and directs it through a narrower outlet.
- What material enters the broad mouth, and where does the narrower outlet direct it? definition
- Does its primary role establish a transfer funnel rather than a hopper, scoop, nozzle or exhaust duct? boundary
Specialised configurations
Separates the core transfer role from filtration, separation and assisted operation.
Added function ownership
Record specialised features and identify which requirements belong to a wider apparatus.
- Does this funnel include a filter support, strainer, stopcock, lid or sealed apparatus connection? definition
- Which filtration, phase-separation or assisted-transfer behaviours require a neighbouring model? boundary
Collection and receiver fit Captures dimensions and interfaces that make a transfer physically possible.
A funnel must both intercept the incoming material and discharge into the receiver without unstable seating or excessive accumulation.
Collecting body
Describes the mouth and temporary accumulation space.
Mouth and fill envelope
Record collection dimensions and usable holding volume under an explicit orientation and fill limit.
- What are the internal mouth dimensions and usable volume below the specified fill limit? measurement
- What pouring position keeps the incoming stream within the mouth without exceeding that limit? action
Outlet seating
Describes insertion, receiver engagement and load support.
Stem fit and support
Record how outlet geometry fits the receiver and how the loaded funnel is held.
- What outlet dimensions and insertion depth are compatible with the intended receiving opening? measurement
- What supports the funnel and prevents tipping, slipping or receiver damage during filling? action
Flow and displaced gas Captures passage restrictions, material behaviour and receiver venting.
An apparently suitable funnel can accumulate material when discharge is restricted or displaced gas cannot escape.
Material discharge
Relates the constricted passage to the actual transferred material.
Passage and transfer performance
Record the narrowest clear passage and observed discharge under specified conditions.
- Where is the narrowest passage, including any mesh, valve or insert, and what are its clear dimensions? measurement
- What transfer rate and accumulation behaviour are observed for the intended liquid or solid under stated conditions? measurement
- What response is appropriate if particles bridge, liquid backs up or the outlet becomes blocked? action
Receiver gas exchange
Makes the gas escape path part of the transfer arrangement.
Vent path continuity
Record whether displaced gas has an adequate escape route with the funnel installed.
- Where does displaced gas leave the receiver when the funnel is seated at its intended depth? definition
- How should seating or transfer be changed if gas escape is restricted or discharge becomes intermittent? action
Contact materials and use limits Connects wetted surfaces and operating claims to evidence for a specified use.
Funnel suitability depends on the transferred substance, temperature and configuration, not merely on shape or nominal material.
Wetted surface compatibility
Identifies every contact material and its supported application limits.
Contact material evidence
Record body, coating and accessory materials together with evidence for compatibility.
- Which identified materials contact the transferred substance, including seals, coatings and inserts? definition
- What documentation supports their compatibility at the intended concentration, temperature and contact duration? provenance
Configuration-specific limits
Captures restrictions introduced by the application or assisted-transfer arrangement.
Supported operating envelope
Record applicable temperature, pressure, hygiene or ignition-control requirements only where supported for the selected use.
- What manufacturer limits, standards or conformity claims apply to this funnel configuration, and who issued them? provenance
- What evidence is required before using it for hot material, food contact, flammable substances or pressure-assisted transfer? action
Retention, cleaning and reuse Assesses retained material, accessible passages and damage affecting subsequent transfers.
Residue in a narrow stem or insert can contaminate later transfers, while deformation and cracks can undermine fit or containment.
Residue and cleanability
Locates material retained after pouring and identifies a supported cleaning method.
Drainage and residue control
Record retention sites, removable components and evidence that cleaning is adequate for the next use.
- Where does material remain after drainage, including the stem, seams, mesh and valve cavities? measurement
- What cleaning, disassembly and drying procedure is compatible with the funnel and adequate for the next transferred material? action
Integrity and readiness
Connects physical defects and accessory condition to reuse decisions.
Transfer path condition
Record defects that affect containment, passage clearance, seating or insert retention.
- Are there cracks, chips, corrosion, distorted outlets or insecure inserts that affect the intended transfer? measurement
- Which observed conditions require cleaning, accessory replacement, repair or withdrawal from the specified use? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- The physical transfer-tool sense is inferred from PHY.OBJ because no sense was recorded.
- The dimensional range is an approximate illustration, not a specification or a limit on the class.
- Specialized laboratory funnels add separation, filtration or dosing functions; applicable standards and material requirements should be checked for the particular design and use.
- Which of these check these first hold for the sense of funnel this model covers, and on what evidence? provenance
Kinds and varieties
Recalled without web access and unsourced; every item is a lead to verify.
- General-purpose transfer funnel
- Powder funnel
- Filter funnel
- Büchner funnel
- Separatory funnel
- Dropping funnel
- Which of these kinds and varieties hold for the sense of funnel this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Filling bottles and other narrow-necked containers.
- Transferring powders or granules through a suitably wide outlet.
- Supporting filter paper for gravity filtration.
- Supporting a porous filter surface for vacuum filtration in a purpose-built assembly.
- Separating immiscible liquid phases or delivering liquid at a controlled rate using specialized stopcock-equipped funnels.
- Which of these real-world use hold for the sense of funnel this model covers, and on what evidence? provenance
Typical measurements
Recalled without web access and unsourced; every item is a lead to verify.
- Receiving-opening diameter of common household and small laboratory transfer funnels - Approximately 30-200 - mm
- Which of these typical measurements hold for the sense of funnel this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Outlet blockage or powder bridging can stop flow and cause overflow.
- Insufficient air escape from the receiving vessel can cause slow, intermittent flow and splashing.
- Poor support or an unsuitable fit can cause tipping, spills or breakage.
- Incompatible materials, retained residues or inadequate cleaning can cause degradation or contamination.
- Specialized laboratory use introduces additional hazards, including pressure buildup in separatory funnels and implosion of unsuitable vacuum-filtration equipment.
- Which of these failure modes and hazards hold for the sense of funnel this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- Hopper - A hopper primarily holds and feeds bulk material into equipment; a funnel primarily guides a transfer through a restricted opening, although the forms overlap.
- Strainer - A strainer separates material through apertures; a plain funnel guides flow without necessarily separating anything.
- Spout - A spout directs discharge from a vessel or conduit rather than receiving material through a broad inlet.
- Sales funnel - A sales funnel is an abstract representation of progression through commercial stages, outside the physical-object sense covered here.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of funnel this model covers, and on what evidence? provenance
What the second pass must settle
- Does the registry intend this entry to include separating funnels and specialised filtration funnels, or are those covered by existing neighbouring entries or world models?
- Which authoritative sources establish the intended physical-transfer sense, given that no registry definition is recorded?
- Which application-specific standards and manufacturer documents govern food contact, laboratory use and hazardous-material transfer for the configurations included?
- What documented dimensions, capacities and performance measurements can establish useful ranges without implying that all funnels share one operating envelope?
- Which cleaning acceptance criteria and defect thresholds are justified for each intended reuse context?