Automotive heating and air conditioning assembly with improved a

Details Automotive heating and air conditioning assembly with improved a Automotive heating and air conditioning assembly with improved a

1998-02-27

1999-08-10

Ford, John K.

Heat exchange

With vehicle feature

Heating and cooling

165 42, 165103, 454121, 454126, 251901, F25B 2900, B60H 100

Patent

active

059343613

ABSTRACT:
An improved film type air temperature control valve for an automotive HVAC assembly has a flexible, apertured belt that wraps closely around both faces of a heater core case internal to the HVAC housing. Winding and unwinding of the belt around the heater core case, and across a heater core bypass passage, simultaneously opens up more of the bypass passage as it closes off more of the heater core faces, and vice versa. Because of the close conformance of the belt to and across the heater core faces, both faces of the always hot heater core can be completely closed to direct or indirect air flow, preventing any undesired incidental heating of the air flow.

REFERENCES:
patent: 4978061 (1990-12-01), Ogihara et al.
patent: 5154223 (1992-10-01), Ishimaru et al.
patent: 5162020 (1992-11-01), Asano et al.
patent: 5243830 (1993-09-01), Ito et al.
patent: 5326315 (1994-07-01), Inoue et al.
patent: 5564979 (1996-10-01), Sumiya et al.
patent: 5632672 (1997-05-01), Higashihara
patent: 5653630 (1997-08-01), Higashihara

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