Air conditioner for vehicle having blower with auxiliary intake

Details Air conditioner for vehicle having blower with auxiliary intake Air conditioner for vehicle having blower with auxiliary intake

1986-10-15

1988-10-25

Davis, Jr., Albert W.

Heat exchange

With vehicle feature

165 42, 165 43, 165120, 165122, 98 201, B60H 100, F28F 2702

Patent

active

047796723

ABSTRACT:
An air conditioner for a vehicle which has a fan of a centrifugal blower used in the air conditioner, the fan having upper and lower fan secitons split by a shield plate with respect to a rotational shaft direction, a normal air intake port formed at either one side of the upper and lower fan section, an increasing air intake port formed at the other of the upper and lower fan sections, and a damper formed at least in the increasing air intake port, the damper being opened only when air intake quantity is necessarily increased or air intake resistance is necessarily decreased. Thus, the air conditioner can increase the effective air intake volume to raise the efficiency of a blower and to simultaneously obtain sufficient air blowing quantity.

REFERENCES:
patent: 2079157 (1937-05-01), Delin
patent: 2488267 (1949-11-01), Cassie
patent: 2655349 (1953-10-01), Beavin
patent: 2727680 (1955-12-01), Madison et al.
patent: 3246605 (1966-04-01), Fisher
patent: 4623090 (1986-11-01), Heger

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