Automotive air conditioner
First Claim
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1. An automotive air conditioner comprising:
- a casing;
an evaporator disposed in said casing;
an upstream air passage in said casing through which intake air is introduced into said evaporator;
a downstream air passage formed downstream of said evaporator, through which cooled air output from said evaporator flows;
a first door disposed in said downstream air passage to control the flow of said cooled air into one air stream or multiple branched air streams; and
a first driving mechanism for driving said first door, said driving mechanism comprising;
first and second toothed portions provided at respective sides of said first door, a first driving gear engageable by mesh engagement with said first toothed portion, a first follower gear engageable by mesh engagement with said second toothed portion, and a driving means for driving said first driving gear without driving said first follower gear.
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Abstract
In an air conditioner unit, a downstream side air passage is partitioned into at least two independent small (or sub) air passages with a plurality of partition plates extending along an air flow direction. Individual doors are provided for the respective small air passages and the small air passages can each distribute air that is independently conditioned to a desired temperature for each such passage.
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Citations
5 Claims
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1. An automotive air conditioner comprising:
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a casing;
an evaporator disposed in said casing;
an upstream air passage in said casing through which intake air is introduced into said evaporator;
a downstream air passage formed downstream of said evaporator, through which cooled air output from said evaporator flows;
a first door disposed in said downstream air passage to control the flow of said cooled air into one air stream or multiple branched air streams; and
a first driving mechanism for driving said first door, said driving mechanism comprising;
first and second toothed portions provided at respective sides of said first door, a first driving gear engageable by mesh engagement with said first toothed portion, a first follower gear engageable by mesh engagement with said second toothed portion, and a driving means for driving said first driving gear without driving said first follower gear. - View Dependent Claims (2, 3, 4, 5)
a second door disposed in said second sub-air passage, and a second driving mechanism for driving said second door, said second driving mechanism including a second driving gear and a second follower gear each engageable with said second door, wherein said second driving gear and said second follower gear are rotatably supported by said partition plates.
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5. The automotive air conditioner of claim 1, further comprising an external gear receiving a force from said driving source, said external gear and said first driving gear being provided on a same axis.
Specification