Control apparatus for automobile air-conditioners

Details Control apparatus for automobile air-conditioners Control apparatus for automobile air-conditioners

1989-04-28

1991-02-19

Lall, Parshotam S.

Boots, shoes, and leggings

165 43, 236 13, G05D 2300, B60H 300

Patent

active

049949586

ABSTRACT:
A control apparatus for an automobile air-conditioner includes a cooled air bypass passage provided independently of a main airflow passage for bypassing cooled air from an evaporator directly to a vent outlet; an opening calculation unit for calculating an opening of a cooled air bypass door based on a detected temperature and a desired temperature in the vicinity of the driver's head, and a drive unit for actuating the cooled air bypass door based on an opening calculated by the opening calculation unit. With this construction, the control apparatus is capable of controlling the temperature in the vicinity of the driver's head independently of a temperature control achieved by the main airflow passage.

REFERENCES:
patent: 4291749 (1981-09-01), Ootsuka et al.
patent: 4408712 (1983-10-01), Naganoma et al.
patent: 4602675 (1986-07-01), Kobayashi
patent: 4685508 (1987-08-01), Iida
patent: 4697734 (1987-10-01), Ueda
patent: 4830098 (1989-05-01), Okura et al.

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