Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1991-02-28
1994-02-15
Gaffin, Jeffrey A.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
200 1V, 200 5105, 200241, 318293, H01H 118, H01R 2300, H02P 122, H02P 300
Patent
active
052870057
ABSTRACT:
An actuator control device used for, for instance, dampers of automobile air conditioners including first and second fixed contacts which are discontinuous on a path along which a movable contact travels and third and fourth fixed contacts which are also in a discontinuous fashion on the movable contact's path. A motor, that is, an actuator, is connected to a battery and rotated forward when the movable contact is in contact with the first contact and is rotated reversely when the movable contact is in contact with the third contact, thus opening and closing the damper. A first diode is connected to the second contact so that when the damper, which is rotated in a linkage with the movable contact, is opened and the movable contact comes into contact with the second contact, the first diode cuts off the current to the motor, thus completing the damper opening action. A second diode is used so that when the damper is closed and the movable contact comes into contact with the fourth contact, the second diode cuts off the current to the motor, completing the closing action.
REFERENCES:
patent: 2453498 (1948-11-01), Crowley
patent: 3632936 (1972-01-01), Piber
patent: 4074099 (1978-02-01), Steen
patent: 4527103 (1985-07-01), Kade
Elms Richard
Gaffin Jeffrey A.
Harada Kogyo Kabushiki Kaisha
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