Heat exchange – With vehicle feature – Heating and cooling
Patent
1992-06-08
1993-02-16
Ford, John K.
Heat exchange
With vehicle feature
Heating and cooling
165 43, 165101, 165108, 165 22, 236 13, 237 123A, 454139, 454143, 454156, 454159, 454160, F25B 2900
Patent
active
051862379
ABSTRACT:
An automotive heater and air conditioning system has multiple zones each supplied by a separate air flow passage serviced by a common blower and common heat exchangers. One of the passages has an adjustable air flow mechanism which bypasses some air from the passage without disturbing the air flow in other passages. A bypass port in the one passage at a point near the blower outlet is controlled by an adjustable door which is pivotally mounted in the passage at the downstream edge of the port. An induction housing receives air from the bypass port and returned it to the intake if the blower.
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Adasek Kenneth P.
Ostrand James C.
Ford John K.
General Motors Corporation
Griffin Patrick M.
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