# US 9,752,474 B2 · Filter arrangements; components; and, methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,752,474 B2 - Document ID: US9752474B2 - Status: Granted - Kind: B2 - Application number: 14/485,896 - Filed: 2014-09-15 - Published: 2015-04-16 - Granted: 2017-09-05 - Earliest claimed: 2007-06-14 - Assignees: Donaldson Company, Inc. - Applicants: Donaldson Company, Inc. - Inventors: Thomas Lundgren; Daniel Adamek; Wade Mosset - Web page: https://patentgrep.com/patent/US9752474B2 ## CPC - F01M 13/04: having means for purifying air before leaving crankcase, e.g. removing oil - B01D 46/0005: {Mounting of filtering elements within casings, housings or frames (B01D46/2422 takes precedence)} - B01D 46/0046: {provoking a tangential stream (B01D46/0045 takes precedence)} - B01D 46/009: {Identification of filter type or position thereof, e.g. by transponders or bar codes} - B01D 46/2403: {characterised by the physical shape or structure of the filtering element} - B01D 46/2414: {End caps including additional functions or special forms} - C02F 1/00: Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) - C02F 1/48: with magnetic or electric fields (C02F1/46 takes precedence) - F01B 1/00: Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence) - F01K 25/06: using mixtures of different fluids (plants using mixtures of steam and gas F01K21/04) - F01K 27/00: Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for - B01D 1/00: Evaporating ({evaporation in general, e.g. of liquids for gas phase reactions B01B1/005} ; removal of incrustation B08B; preparation of starch C08B30/00; sugar industry C13; prevention of incrustation C23F; drying solid materials or objects by evaporating liquids therefrom F26) - B01D 5/00: Condensation of vapours; Recovering volatile solvents by condensation (B01D8/00 takes precedence; condensers F28B) - B01D 17/00: Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; arrangements for separating lubricants from refrigerants F25B43/02) - B01D 2265/026: with means for avoiding false mounting - B01D 2279/35: for venting arrangements - B01L 1/00: Enclosures; Chambers (provided with manipulation devices or glove boxes B25J21/00) - B01L 5/00: Gas handling apparatus (gas jars or cylinders B01L3/12; cold traps or cold baffles B01D8/00) - F01B 17/022: {with fluid heating} - F01K 1/00: Steam accumulators (use of accumulators in steam engine plants F01K3/00) - F01M 2013/0438: {with a filter} - Y10T 29/49826: Assembling or joining - F01M: LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - F01B: MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES (of rotary-piston or oscillating-piston type F01C; of non-positive-displacement type F01D; internal-combustion engines F02B; combustion-product engine plants F02G; machines or engines, other than of positive-displacement type, for liquids F03B; positive-displacement engines driven by liquids F03C; wind motors F03D; positive-displacement machines for liquids F04B; rotary-piston, or oscillating-piston, positive-displacement machines for liquids F04C) - F01K: STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES (gas-turbine or jet-propulsion plants F02; nuclear power plants, engine arrangements therein G21D) - B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract Filter assemblies and components therefor, are described. In an example arrangement, the filter assembly is configured to be serviced from either the top or the bottom. A rotational indexing arrangement is to ensure appropriate orientation of an internally received filter cartridge, and other components of the arrangement are provided. Methods of assembly, servicing and use are described. ## Claims ### Claim 1 A crankcase ventilation filter cartridge comprising: (a) first and second, opposite, end members; and, (b) filter media positioned between the first and second, opposite, end members and surrounding an open filter; (c) the first end member comprising a member having an aperture therethrough and including a seal member theraround; and, (d) the second, opposite, end member being closed and including a closed receiver projection thereon projecting toward the first end member at least 10% of a distance between opposite ends of the media; (i) the receiver projection being offset from a central longitudinal axis of the filter media; and, (e) the second end member being configured to allow at least some liquid drainage directly downwardly from the media. ### Claim 2 A filter cartridge comprising: (a) first and second, opposite, end members; and, (b) filter media positioned between the first and second, opposite, end members and surrounding an open filter interior; (c) the first end member comprising a member having an aperture therethrough and including a seal member thereon; (i) the seal member defining a non-circular seal perimeter; and, (d) the second; opposite, end member being closed and including a closed receiver projection thereon projecting toward the first end member at least 10% of a distance between opposite ends of the media; (i) the receiver projection projecting toward the first end member to an end of the receiver projection, that is offset from a center of the first end member. ### Claim 3 (depends on 2) A filter cartridge according to claim 2 wherein: (a) the closed receiver projection has a non-circular, inner, cross-sectional shape. ### Claim 4 (depends on 3) A filter cartridge according to claim 3 wherein: (a) the seal member defining a non-circular seal perimeter, is configured to define a non-circular, radially outwardly directed, seal perimeter. ### Claim 5 (depends on 4) A filter cartridge according to claim 4 wherein: (a) the first end member has an elliptical outer perimeter shape. ### Claim 6 (depends on 2) A filter cartridge according to claim 2 wherein: (a) the first end member has an elliptical outer perimeter shape. ### Claim 7 (depends on 1) A crankcase ventilation filter cartridge according to claim 1 wherein: (a) the seal member defines a non-circular radially outwardly directed seal. ### Claim 8 (depends on 7) A crankcase ventilation filter cartridge according to claim 7 wherein: (a) the closed receiver projection has a non-circular, inner, cross-sectional shape. ### Claim 9 (depends on 8) A crankcase ventilation filter cartridge according to claim 8 wherein: (a) the seal member defines a seal perimeter in a seal planar extending orthogonal to the media central longitudinal axis. ### Claim 10 (depends on 8) A crankcase ventilation filter cartridge according to claim 8 wherein: (a) the seal member defines a perimeter angled non-orthogonally to a media central longitudinal axis. ### Claim 11 (depends on 8) A crankcase ventilation filter cartridge according to claim 8 wherein: (a) the first end member includes a handle member thereon, extending in a direction away from the media. ### Claim 12 (depends on 1) A crankcase ventilation filter cartridge according to claim 1 wherein: (a) a seal member is positioned on a seal mount at a location entirely above the media. ### Claim 13 (depends on 1) A crankcase ventilation filter cartridge according to claim 1 wherein: (a) the seal comprises an o-ring.