Electric motor powered actuator with threaded axially...

Details Electric motor powered actuator with threaded axially... Electric motor powered actuator with threaded axially...

H - Electricity

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H02K 37/00 (2006.01) F16K 31/04 (2006.01) H02K 7/06 (2006.01)

Patent

CA 1161487

C-3293 ELECTRIC MOTOR POWERED ACTUATOR Abstract of the Disclosure An electric motor powered actuator in which a shaft has a threaded connection with the rotor of an electric motor whereby rotation of the rotor causes axial translation of the shaft. The shaft is urged in one direction by a compression spring and the compression spring is interposed between the shaft and a spacer ring that engages one of the thrust bearings for the motor rotor. The compression spring has nonrotatable connections with the shaft and motor housing such that the torsional force of the spring prevents rotation of the shaft relative to the motor housing when the motor rotor is rotated.

382722

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