Automotive air-conditioner

Details Automotive air-conditioner Automotive air-conditioner

1991-05-28

1992-09-08

Wayner, William E.

Ventilation

Vehicle

Having automatic control means

236 78C, 25112904, F16K 3102

Patent

active

051454564

ABSTRACT:
An automotive air-conditioner has a casing forming an air passage through which an air passes and a film damper slidably disposed in the casing in such a manner to face to the air passage. The film damper having openings opens and closes the air passage. Holes are disposed on the film damper for indicating a position of the opening: Photointerrupters are disposed on the casing to detect the holes and output a present position signal that shows a present position of the film damper. A mode setting portion outputs a target position signal that shows a target position of the film damper. A microcomputer compares the present position signal with the target position signal, so that the microcomputer controls the film damper to stop at the target position.

REFERENCES:
patent: 2577564 (1951-12-01), Borden, Sr.
patent: 4481451 (1984-11-01), Kautz et al.
Patent Abstracts of Japan, vol. 12, No. 448 (M-768)[3295], Nov. 24, 1988 and JP-A-63 180 512 Jul. 1988.
Patent Abstracts of Japan, vol. 12, No. 437 (M-765)[3284], Nov. 17, 1988 and JP-A-63 170 188, Jul. 1988.

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