Actuator for automotive air duct damper

Details Actuator for automotive air duct damper Actuator for automotive air duct damper

2005-01-25

2005-01-25

Hirsch, Paul J. (Department: 3754)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S129110

Reexamination Certificate

active

06845964

ABSTRACT:
The present invention relates to an actuator for automotive air duct damper, and more particular to an actuator for automotive air duct damper with a new structure which allows a precise control on the flow of the air supplied in the indoor space of a car and which is improved in durability. The actuator for automotive air duct damper according to the invention, includes a driving motor and a power transmitting mechanism for transmitting the torque of the driving motor to a damper, said power transmitting mechanism being provided at its final stage with the damper for opening and closing air duct, wherein said actuator further comprises a rotary member provided on a free end of the rotation shaft of the driving motor, and an optical sensor disposed so as to interact with the rotary member.

REFERENCES:
patent: 4834283 (1989-05-01), Akabane et al.
patent: 6371440 (2002-04-01), Genga et al.
patent: 6471580 (2002-10-01), Ro
patent: 6651952 (2003-11-01), Hightower et al.

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