US 12,355,313 B2
Actuator, electric motor and associated method
Jeffrey William Crosson, Dayton, OH (US)
Assigned to Regal Beloit America, Inc., Milwaukee, WI (US)
Filed by Regal Beloit America, Inc., Beloit, WI (US)
Filed on Mar. 17, 2023, as Appl. No. 18/185,920.
Application 18/185,920 is a continuation in part of application No. 16/153,966, filed on Oct. 8, 2018, granted, now 11,641,148.
Prior Publication US 2023/0223823 A1, Jul. 13, 2023
Int. Cl. H02K 11/23 (2016.01); H01H 35/10 (2006.01); H02K 7/00 (2006.01); H02P 1/12 (2006.01)
CPC H02K 11/23 (2016.01) [H02K 7/003 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An actuator for an electric machine having body, a stator fixedly secured to the body and a rotor having a shaft rotatably secured to the body and defining an axis of rotation thereof, the actuator comprising:
a base positionable on a length of the shaft;
a first member attached to the base, the first member including a plurality of arms hingeably attached to the base each of the arms include a magnet segment having a first end attached to the arm and a second end opposite the first end, the first end having a polarity; and,
a second member including a stem slidably fitted to a housing and a second member magnet, the stem positioned on a stem centerline parallel to the axis of rotation of the shaft such that the stem and the second member magnet are offset relative to the shaft the second member magnet having the same polarity as the second end of the magnet segments such that the second member is repulsed by the first member.