Automotive air-conditioner

Details Automotive air-conditioner Automotive air-conditioner

1988-01-15

1989-02-07

Joyce, Harold

Heat exchange

With valve or movable deflector for heat exchange fluid flow

With by-pass of heat exchanger or heat exchanger section

165 41, 165 42, 165 43, 165100, 165122, B60H 126

Patent

active

048024058

ABSTRACT:
An automotive air-conditioner has a motor-driven centrifugal fan and a casing accommodating the fan and having first and second wall portions adjacent to axially opposite open ends of the fan, respectively. A fresh-air inlet and a first recirculated-air inlet are formed in the first wall portion, while a second recirculated-air inlet is formed in the second wall portion to increase flow of recirculated-air sucked into the fan during a recirculation mode of air-conditioner operation. The fresh-air inlet and the first recirculated-air inlet are selectively opened and closed by a servo-actuated damper, while the second recirculated-air inlet is closed and opened by another servo-actuated damper operatively linked to the first-mentioned damper.

REFERENCES:
patent: 2655349 (1953-10-01), Beavin
patent: 2727680 (1955-12-01), Madison et al.
patent: 3246605 (1966-04-01), Fisher
patent: 4289195 (1981-09-01), Bellot et al.

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