The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 16, 2008

Filed:

Nov. 02, 2004
Applicants:

Yoshihiko Okumura, Kariya, JP;

Takahiro Tokunaga, Kosai, JP;

Inventors:

Yoshihiko Okumura, Kariya, JP;

Takahiro Tokunaga, Kosai, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
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.


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