Filtered positive ventilation system for vehicle

Details Filtered positive ventilation system for vehicle Filtered positive ventilation system for vehicle

1989-07-05

1990-09-04

Joyce, Harold

98 214, B60H 306

Patent

active

049534491

ABSTRACT:
A ventilation system for a motor vehicle includes an air intake opening through a wall of the vehicle and an air scoop to direct air thereinto, the intake opening being the only deliberate air permeable opening in the vehicle. A filter bag is connected to the air intake via a conduit, such that all air entering the vehicle through the intake opening is filtered of dust by the filter bag. Clean intake air is thereby used to generate a positive pressure in the vehicle which prevents the infiltration of dust and air into the vehicle through incidental cracks and crevices.

REFERENCES:
patent: 2087651 (1937-07-01), Mygland
patent: 2128335 (1938-08-01), Thayer
patent: 2172939 (1939-09-01), Lintern et al.
patent: 2232108 (1941-02-01), Giacomini

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