Electric drive for vehicle windows or roof panel

H - Electricity – 02 – H

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318/112, 318/50,

H02H 9/02 (2006.01) E05F 15/16 (2006.01) H02H 7/08 (2006.01) H02H 7/085 (2006.01) H02K 11/00 (2006.01)

Patent

CA 1223920

AN ELECTRIC MOTOR-SPEED REDUCER UNIT, IN PARTICULAR FOR MOVING MOVABLE ELEMENTS OF AN AUTOMOBILE VEHICLE ABSTRACT OF THE DISCLOSURE This motor-speed reducer unit comprises a small electric motor (4) which is normally incapable of effect- ing the desired operational cycle and which has a conver- ted armature winding, a resistance (5) exterior to the motor and in series with the armature winding, and a speed reducer (7). A judicious choice of the winding, of the exterior resistance and of the ratio of the speed reducer permits the obtainment of the required performances without excessive heating of the motor with a great saving in weight and overall size.

419872

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