Heavy duty air filter with integral snow valve

Details Heavy duty air filter with integral snow valve Heavy duty air filter with integral snow valve

1989-10-02

1990-11-13

Woo, Jay H.

Gas separation

With inflow gas control or distribution

Multiple inlets

55498, 123198E, B01D 5100

Patent

active

049699393

ABSTRACT:
An air cleaner assembly for a motor vehicle includes a housing which carries a substantially flat valve cover plate which defines a pair of openings. A valve is slidable relative to the valve cover plate through a linkage operated from the vehicle operator's compartment to cover one or the other of the openings in the valve cover plate. During normal operation of the vehicle, combustion air is communicated to the air cleaner housing through the normal air induction system. However, when heavy snow blocks communication through the normal air induction system, the vehicle operator operates the linkage to move the valve to a position opening the other opening into the air cleaner, so that underhood air may be used for combustion as long as the normal air induction system is blocked by snow.

REFERENCES:
patent: 2788086 (1957-04-01), Sebok
patent: 3394687 (1968-07-01), Scott
patent: 3452521 (1969-07-01), Remacle
patent: 3513817 (1970-05-01), Kearsley
patent: 4058099 (1977-11-01), Saito
patent: 4197101 (1980-04-01), Cote, Jr. et al.
patent: 4215665 (1980-08-01), Stambaugh
patent: 4327680 (1982-05-01), Dauwalder

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