Actuator of an air conditioner of a vehicle

Details Actuator of an air conditioner of a vehicle Actuator of an air conditioner of a vehicle

1988-10-04

1989-10-31

Scott, J. R.

Electricity: circuit makers and breakers

Periodic

Contact breaker detail

200 24, 200 37R, 200501, H01H 1900, H01H 332

Patent

active

048779261

ABSTRACT:
An actuator for an air-conditioner for use in a vehicle includes an actuator housing for accommodating a motor, a reduction gear unit and a position-detecting unit. The motor has a shaft extending therefrom with a worm gear fixed to the shaft. The reduction gear unit includes a helical gear that is adapted to engage the worm gear, another gear that supports an output shaft, and a plurality of spur gears positioned between the helical gear and the gear that supports the output shaft. The position-detecting unit includes an output shaft-inserting cylinder which has brushes mounted thereon. The output shaft-inserting cylinder is removably fixed to the output shaft. A printed circuit board having switching patterns thereon that are adapted to engage the brushes and the output shaft-inserting cylinder are mounted at predetermined positions in a position detecting unit housing.

REFERENCES:
patent: 4197436 (1980-04-01), Ishikawa et al.
patent: 4332129 (1982-01-01), Schipper et al.
patent: 4609794 (1986-09-01), Porter
patent: 4630949 (1986-12-01), Boella et al.
patent: 4795867 (1989-01-01), Ohi et al.

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