Vehicle air inlet and filter assembly

Details Vehicle air inlet and filter assembly Vehicle air inlet and filter assembly

1994-04-04

1995-02-21

Joyce, Harold

Ventilation

Vehicle

Having forced recirculation

55500, 454158, B60H 306

Patent

active

053911121

ABSTRACT:
A vehicle ventilation system has a combined air inlet and filter assembly that combines the functions of selectively inletting fresh or recirculated air to the system, while filtering both, and also providing for easy filter change. An arch shaped inlet housing located upstream of the blower has two inlets lying on a cylindrical surface, one opening to the outside and one to the inside. A swingable cover moves over the outside of the inlet housing, blocking or opening one inlet at a time, but leaving the interior of the inlet housing unobstructed. A filter is fed through one of the inlet openings to take on the arch shape of the interior of the housing, covering both inlet openings so as to filter both inlet air selections. The filter may be easily removed and replaced.

REFERENCES:
patent: 2182716 (1939-12-01), Brent
patent: 2185486 (1940-01-01), Wahlberg
patent: 2964038 (1960-12-01), Silverman
patent: 4671810 (1987-06-01), Dietzsch et al.
patent: 4779517 (1988-10-01), Weller et al.
patent: 4925468 (1990-05-01), Kishi et al.
patent: 5009392 (1991-04-01), Ostrand

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