# US 2013/0152529 A1 · Air cleaner filter assembly for motor vehicles operating in extreme weather conditions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0152529 A1 - Document ID: US20130152529A1 - Status: Published application - Kind: A1 - Application number: 13/770,911 - Filed: 2013-02-19 - Published: 2013-06-20 - Earliest claimed: 2009-07-31 - Assignees: Ford Global Technologies, LLC - Inventors: Giriraj Srinivasan; Thanh Pham; Roger Khami; William C. Ronzi - Web page: https://patentgrep.com/patent/US20130152529A1 ## CPC - F02M 35/0215: {arranged in parallel} - B01D 46/0005: {Mounting of filtering elements within casings, housings or frames (B01D46/2422 takes precedence)} - B01D 46/521: {using folded, pleated material} - F02M 35/024: using filters, e.g. moistened (F02M35/026 takes precedence; cleaning of the filtering material F02M35/08) - F02M 35/02416: {Fixing, mounting, supporting or arranging filter elements; Filter element cartridges} - F02M 35/04: specially arranged with respect to engine {, to intake system or specially adapted to vehicle}; Mounting thereon {; Combinations with other devices (combined with silencers F02M35/14)} - F02M 35/08: with means for removing dust, {particles or liquids} from cleaners; with means for indicating clogging; with by-pass means; {Regeneration of cleaners} - B01D 2201/12: Pleated filters - F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF - 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) ## Abstract A filter assembly for a motor-vehicle air cleaner comprises a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter. In this embodiment, the filter mount is fittable in and removable from a housing of the air cleaner, and comprises a sealing element passing between the main filter and the auxiliary filter. ## Claims ### Claim 1 A filter assembly for an air cleaner configured to provide clean intake air for a motor vehicle, the filter assembly comprising: a main filter; an auxiliary filter set apart from the main filter; and a filter mount fixed to and configured to support the main filter and the auxiliary filter, the filter mount fittable in and removable from a housing of the air cleaner, and comprising a first sealing element passing between the main filter and the auxiliary filter. ### Claim 2 (depends on 1) The filter assembly of claim 1, where the first sealing element is configured to receive a complementary second sealing element formed in the housing. ### Claim 3 (depends on 1) The filter assembly of claim 1, where the first sealing element extends from one edge of the filter mount to an opposite edge of the filter mount. ### Claim 4 (depends on 1) The filter assembly of claim 1, where the first sealing element extends across an entire width of the filter mount. ### Claim 5 (depends on 1) The filter assembly of claim 1, where the first sealing element comprises a groove. ### Claim 6 (depends on 5) The filter assembly of claim 5, where the groove is configured to receive a dividing wall of the housing. ### Claim 7 (depends on 6) The filter assembly of claim 6, where receipt of the dividing wall in the groove forms a substantially air-tight seal dividing the main filter from the auxiliary filter. ### Claim 8 (depends on 2) The filter assembly of claim 2, where one or more of the first sealing element and the second sealing element comprises a resilient material. ### Claim 9 (depends on 8) The filter assembly of claim 8, where the resilient material comprises a polyurethane. ### Claim 10 (depends on 1) The filter assembly of claim 1, where one or more of the main filter and the auxiliary filter comprises a pleat-pack filter. ### Claim 11 (depends on 1) The filter assembly of claim 1, where the main filter is one or more of longer, wider, and taller than the auxiliary filter. ### Claim 12 A filter assembly for a motor-vehicle air cleaner, the air cleaner adapted to provide clean intake air, the filter assembly comprising: a main filter; an auxiliary filter set apart from the main filter; and a filter mount framing first and second open areas and configured to support the main filter below the first open area and the auxiliary filter below the second open area, the filter mount fittable in and removable from a housing of the air cleaner, and comprising a first sealing element passing between the main filter and the auxiliary filter. ### Claim 13 (depends on 12) The filter assembly of claim 12, further comprising a rigid mesh disposed between the main and auxiliary filters and the filter mount, and extending at least over the first and second open areas. ### Claim 14 (depends on 13) The filter assembly of claim 13, where the rigid mesh is embossed to form a ridge projecting opposite the main and auxiliary filters, and where the ridge is inserted in a receiving nook of the filter mount. ### Claim 15 (depends on 12) The filter assembly of claim 12, wherein the main filter spans the first open area from below the filter mount, and the auxiliary filter spans the second open area from below the filter mount. ### Claim 16 A filter assembly for a motor-vehicle air cleaner, the air cleaner adapted to provide clean intake air, the filter assembly comprising: a main filter; an auxiliary filter set apart from the main filter; and a filter mount framing first and second open areas and configured to support the main filter below the first open area and the auxiliary filter below the second open area, the filter mount fittable in and removable from a housing of the air cleaner, and comprising a groove passing between the main filter and the auxiliary filter and extending across an entire width of the filter mount. ### Claim 17 (depends on 16) The filter assembly of claim 16, where the groove is configured to receive a dividing wall of the housing. ### Claim 18 (depends on 17) The filter assembly of claim 17, where receipt of the dividing wall in the groove forms a substantially air-tight seal dividing the main filter from the auxiliary filter. ### Claim 19 (depends on 17) The filter assembly of claim 17, where one or more of the groove and the dividing wall comprises a resilient material. ### Claim 20 (depends on 16) The filter assembly of claim 16, where the main filter is one or more of longer, wider, and taller than the auxiliary filter.