Automotive air conditioner

Details Automotive air conditioner Automotive air conditioner

1988-11-23

1990-07-17

Ford, John

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 16, 165 40, 165 42, 165 43, 236 493, 236 91R, 236 91G, F25B 2900

Patent

active

049415255

ABSTRACT:
An air mixing type automotive air-conditioner is disclosed in which an air fed by a blower is heated to a hot air by a hot water type heater, and a mixture ratio between a cold air flowing through a bypass passage around the heater and the hot air is adjusted by an air mixing door used as an adjustment damper. The air-conditioner comprises an outside temperature sensor for generating a first signal, a room temperature setter for generating a second signal, a room temperature sensor for generating a third signal, a first arithmetic unit for calculating a desired blown air temperature on the basis of the first and second signals, and a second arithmetic unit for calculating and controlling a desired blown air flow on the basis of the second and third signals. The air-conditioner is so controlled as to obtain the blown air temperature most suitable for a thermal load of the air-conditioner.

REFERENCES:
patent: 4325426 (1982-04-01), Otsuka et al.
patent: 4456166 (1984-06-01), Kagohata
patent: 4513808 (1985-04-01), Ito et al.

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