Air passage switching device and vehicular air conditioner

Details Air passage switching device and vehicular air conditioner Air passage switching device and vehicular air conditioner

1995-05-11

1996-10-15

Joyce, Harold

Ventilation

Vehicle

Condensation preventer

454126, B60H 126

Patent

active

055649793

ABSTRACT:
An air duct has air passages for the air to flow from the inside to the outside. An air passage switching device includes a rotary door and a film member for opening/closing and switching the air passages. The rotary door is formed with openings in its circumferential wall having an arcuate shape. The film member having ventilation holes to lap one of the openings is mounted with a slight slackness on the outer circumference of the rotary door. When this rotary door is rotationally displaced by a control cable, the air passages lapping the ventilation holes are opened, whereas the remaining air passages are closely sealed up by the film member which is expanded by a wind pressure.

REFERENCES:
patent: 5062352 (1991-11-01), Ostrand
patent: 5105730 (1992-04-01), Smith
patent: 5326315 (1994-07-01), Inoue et al.
patent: 5350335 (1994-09-01), Anderson

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