Air direction changing system for vehicular air ducts

Details Air direction changing system for vehicular air ducts Air direction changing system for vehicular air ducts

2007-06-12

2007-06-12

Ciric, Ljiljana (Department: 3744)

Heat exchange

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

Having heating and cooling capability

C165S042000, C454S160000, C454S161000

Reexamination Certificate

active

10663142

ABSTRACT:
A vehicle air conditioning system secures an appropriate temperature difference in the air blown through vertically arranged air ducts when the system is in a bi-level mode. A hot air inlet is disposed above a cool air inlet. A face opening is disposed at an upper location while foot openings are disposed at a lower location. A blow mode-changing door for opening and closing both the openings is a butterfly type door. The blow mode-changing door is pivotally disposed in a door housing. In the bi-level mode in which the blow mode-changing door opens both the foot openings and the face opening, a bi-level mode bypass passageway for introducing cool air from the cool air inlet into the face opening is defined between an extremity of the blow mode-changing door and the inner wall surface of the door-housing portion.

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