Low profile air inlet assembly for vehicle air conditioning syst

Details Low profile air inlet assembly for vehicle air conditioning syst Low profile air inlet assembly for vehicle air conditioning syst

1998-05-01

1999-03-09

Joyce, Harold

Ventilation

Vehicle

Having forced recirculation

55467, 454158, B60H 306

Patent

active

058792309

ABSTRACT:
An air inlet assembly for the scroll housing of an automotive air conditioning and ventilation system is specially structurally matched to the scroll housing so as to be more compact and efficient. An inlet housing is fashioned coaxial to the scroll housing and blower, within which a coaxial, partially cylindrical door rotates around the central axis so as to open or close one of a pair of diametrically opposed air openings. An annular filter fits within the rotating door. Regardless of which air inlet is open, air that is pulled in by the blower is forced into a radial space between the filter and the door, three hundred and sixty degrees around, and is forced radially through the filter before entering the scroll housing. Because of the coaxial, matching relationship between inlet housing a scroll housing, the entire assembly is very compact and low in profile, as measured along the vertical co axis.

REFERENCES:
patent: 5062352 (1991-11-01), Ostrand
patent: 5391112 (1995-02-01), Wardlaw
patent: 5399120 (1995-03-01), Burns et al.

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