Air-conditioning unit without air-mix door

Details Air-conditioning unit without air-mix door Air-conditioning unit without air-mix door

2007-04-10

2007-04-10

Ford, John K. (Department: 3744)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

C165S042000, C165S043000, C165S101000, C165S244000, C236S013000, C454S156000, C454S160000, C454S161000, C415S206000, C415S127000

Reexamination Certificate

active

10829098

ABSTRACT:
An air conditioner for automotive vehicles is disclosed. The flow rates of air supplied to an evaporator (4) and a heater (5) are adjusted by rotationally displacing a scroll casing (2b) and thus changing an air flow from a blower (2) to a predetermined direction. The air-mix door can thus be eliminated to allow a smaller size of an air-conditioner casing (3) (air-conditioning unit (1)). Also, the ratio between cool air flow rate and hot air flow rate is adjusted by rotationally displacing the scroll casing (2b) with a spur gear (2c) and, therefore, the size and the production cost of the air conditioner can be reduced as compared with a conventional system in which an air-mix door is swung by a link mechanism.

REFERENCES:
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patent: 2000-161298 (2000-06-01), None
patent: 2000309221 (2000-11-01), None
patent: 2001-315526 (2001-11-01), None
patent: WO 98/12060 (1998-03-01), None

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