Heat exchange – With valve or movable deflector for heat exchange fluid flow – With by-pass of heat exchanger or heat exchanger section
Patent
1989-10-11
1991-07-16
Makay, Albert J.
Heat exchange
With valve or movable deflector for heat exchange fluid flow
With by-pass of heat exchanger or heat exchanger section
98 201, 62241, 165 40, B64D 1300, B60H 132
Patent
active
050315137
ABSTRACT:
An airflow control system (10) in accordance with the invention includes an air channel (14) having a single opening (16) for receiving ram air and for inducting air into the channel; a fan assembly (20) disposed within the air channel including a fan which is activated for inducting air through the air channel and through a fan channel (30) disposed within the air channel, the fan having an inlet (42) in the fan channel and an outlet (44); and a mechanism (50) responsive to ram air within the air channel for closing the outlet to at least lessen freewheeling of the fan which would occur if the fan channel was open for passage of ram air and responsive to induction of air by the fan into the channel to cause the inlet and the outlet to be open.
REFERENCES:
patent: 2324236 (1943-07-01), Price
patent: 2585295 (1952-02-01), Baak
patent: 2659534 (1953-11-01), Smith
patent: 3845700 (1974-11-01), Lefeuvre
patent: 3847298 (1974-11-01), Hamilton
patent: 4399665 (1983-08-01), Evans et al.
patent: 4566373 (1986-01-01), Ohashi
Doerrler W.
Makay Albert J.
Sundstrand Corporation
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