Vehicle cab ventilating system

Details Vehicle cab ventilating system Vehicle cab ventilating system

1997-07-01

1999-01-19

Joyce, Harold

Ventilation

Vehicle

Having inlet airway

454137, 454139, B60H 306

Patent

active

058608567

ABSTRACT:
A ventilating system for a vehicle cab includes a blower which draws fresh air from the exterior of the cab into the interior of the cab. A filter housing is inserted generally transverse to the direction of air flow through a service opening in the ventilating system into the channel through which the fresh air flows. The filter housing encloses a fresh air filter. The blower also draws recirculating air from the interior of the cab through a recirculating air intake opening and blows it back through a recirculating air filter into the cab through an outlet opening. The recirculating air filter is also mounted in the filter housing. A filter insert includes a filter housing which contains the fresh air filter and the recirculating air filter, which are adjacent each other on either side of a separating wall, fresh air and recirculating air are separately filtered.

REFERENCES:
patent: 4319519 (1982-03-01), Parsson
patent: 4344356 (1982-08-01), Casterton et al.
patent: 4365541 (1982-12-01), Marques et al.
patent: 4989500 (1991-02-01), Anliker et al.
patent: 5050487 (1991-09-01), Arold et al.

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