Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1984-04-25
1987-07-21
Cline, William R.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 42, 165 43, 165103, 236 13, 237 2A, 237 123B, B60H 300, B61D 2700, F25B 2900
Patent
active
046811532
ABSTRACT:
An automotive air conditioning system which delivers air from upper and lower air outlets at independently controlled temperatures has a pressure responsive door interposed between an upper air mix chamber and a space near the outlet of a heater core or a lower air mix chamber. The pressure responsive door is adapted to allow or prevent air flow from the outlet of the heater core into the upper vent air mix chamber according to the pressure differential across the door. The pressure responsive door establishes one-way air flow from the heater core into the upper air mix chamber for temperature adjustment and prevents the air in the upper air mix chamber from affecting the temperature of air in the lower air mix chamber.
REFERENCES:
patent: 3650318 (1972-03-01), Avery
patent: 3813039 (1974-05-01), Wello
patent: 4355753 (1982-10-01), Watanabe
patent: 4408714 (1983-10-01), Kobayashi
patent: 4440212 (1984-04-01), Tanino et al.
patent: 4456166 (1984-06-01), Kagohata
patent: 4459466 (1984-07-01), Nakagawa et al.
patent: 4513808 (1985-04-01), Ito et al.
patent: 4531671 (1985-07-01), Schwenk
Cline William R.
Ford John K.
Nissan Shatai Company, Limited
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