Air-conditioning unit

Details Air-conditioning unit Air-conditioning unit

2004-11-02

2008-12-16

Ciric, Ljiljana (Lil) V (Department: 3744)

Heat exchange

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

Having heating and cooling capability

C165S202000, C165S042000, C454S160000, C454S161000

Reexamination Certificate

active

07464749

ABSTRACT:
The air-conditioning unit includes an air-conditioning case, a heater, a bypass path bypassing the heater, an air-mixing chamber, an air-mixing door, and an air opening. The air-conditioning unit also includes an auxiliary door arranged in series with the air-mixing door in the bypass path. The auxiliary door is operated between at a first position and at a second position. The auxiliary door in the first position closes the bypass path more than in the second position. The auxiliary door is operated at the first position at least when the air-mixing door opens the bypass path slightly.

REFERENCES:
patent: 4852638 (1989-08-01), Hildebrand et al.
patent: 4972992 (1990-11-01), Scheidel et al.
patent: 6007421 (1999-12-01), Schwarz
patent: 6484755 (2002-11-01), Schwarz
patent: 6889761 (2005-05-01), Perry et al.
patent: 01-074912 (1989-05-01), None
patent: 7-89332 (1995-04-01), None
patent: 10-035250 (1998-02-01), None
Notice of Reasons for Refusal dated May 27, 2008 in JP Application No. 2003-376972 with English translation.

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