Electromechanical motor reversing

H - Electricity – 02 – K

Patent

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Details

310/42, 310/45,

H02K 11/00 (2006.01) D06F 37/30 (2006.01) H02K 1/34 (2006.01) H02K 33/16 (2006.01) H02K 35/00 (2006.01) H02K 51/00 (2006.01) H02P 23/00 (2006.01)

Patent

CA 2034180

ABSTRACT OF THE DISCLOSURE An electromechanical A.C. motor reverser having a timed cam-driven SPDT switch with the side terminals thereof connected to separate motor stator coils. The movement of the transfer blade between contacts to break one motor coil circuit and complete the other reversing motor coil circuit is delayed sufficiently by the cam to permit the motor rotor speed to decay enough to enable reversal of rotation upon completion of the reversing coil circuit. The minimum contact transfer time is set at the period corresponding to two cycles of power line current.

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