Electric control method and apparatus for automobile air conditi

Heat exchange – Movable heating or cooling surface – Rotary drum

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62244, 165 28, 165 30, 165 43, F28F 2700, F25B 2900, B60H 300

Patent

active

043401139

ABSTRACT:
In an electric control method and apparatus for an automobile air conditioning system, an air-blend door is arranged between an evaporator and a heater within an air duct to control an amount of the cooled air flowing through the heater into a passenger compartment and to control an amount of the cooled air directly flowing into the compartment, and a refrigerant compressor for the evaporator is connected to a prime mover of the automobile when the air-blend door is opened to allow the cooled air flowing through the heater in a limited range and is disconnected from the prime mover when the air-blend door is further opened to allow the cooled air flowing through the heater beyond the limited range.

REFERENCES:
patent: 2829869 (1958-04-01), Philipp
patent: 3004752 (1961-10-01), Armes et al.
patent: 3686891 (1972-08-01), Wills
patent: 3771593 (1973-11-01), Shepheard
patent: 4037651 (1977-07-01), Ito et al.
patent: 4147205 (1979-04-01), Bata et al.

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