Measuring circuit for use in device for detecting ambient air te

Details Measuring circuit for use in device for detecting ambient air te Measuring circuit for use in device for detecting ambient air te

1988-04-15

1989-05-23

Tanner, Harry B.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Plenum type

236 46F, 236 91R, 165 35, 165 42, G05D 2300

Patent

active

048322580

ABSTRACT:
A device for controlling an opening angle of an air mixing damper used in an automotive air conditioning system is disclosed. The device has an actuator for operating the air mixing damper and a blower for blowing the air. The device comprises an ambient air temperature sensor which is disposed on a front grill of an automobile for detecting the ambient air temperature at the exterior of the automobile and for providing a control signal, and a measuring circuit which computes the ambient air temperature data necessary for controlling the actuator and blower based on the detected ambient air temperature. The device controls the opening angle of the air mixing damper in accordance with the measured results.

REFERENCES:
patent: 4289195 (1981-09-01), Bellot et al.
patent: 4326386 (1982-04-01), Tamura
patent: 4328855 (1982-05-01), Iwata et al.
patent: 4337821 (1982-07-01), Saito
patent: 4344565 (1982-08-01), Kojima et al.
patent: 4345714 (1982-08-01), Kojima
patent: 4471632 (1984-09-01), Nishi et al.
patent: 4494184 (1985-01-01), Crevel
patent: 4537245 (1985-08-01), Nishimura et al.
patent: 4539821 (1985-09-01), Tamura

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