Inside and outside air switching apparatus for automotive air co

Details Inside and outside air switching apparatus for automotive air co Inside and outside air switching apparatus for automotive air co

1996-02-08

1997-07-01

Joyce, Harold

Ventilation

Vehicle

Having forced recirculation

55467, 55500, 55521, 454158, B60H 306

Patent

active

056430795

ABSTRACT:
A filter is disposed so as to cross at right angle to an airflow from an inside air inlet and an outside air inlet to an inlet port. The filter is made of a filter element formed in a corrugated shape by folding and is deformable so that a width of the filter in the axis direction of said rotary door could be shortened. Thus, it is possible to shorten the width of the filter in the axial direction of the rotary shaft by deforming the outer shape of the filter, therefore, the filter is easily taken out from the inside air inlet. Furthermore, since the filter can be taken out from the inside air inlet, the filter can be attached or detached without disassembling the inside and outside air switching case and casing for a blower fan, the working efficiency for cleaning and changing the filter being thereby improved.

REFERENCES:
patent: 5391112 (1995-02-01), Wardlaw

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