Cory W Welch

US Patent:

20140265644, Sep 18, 2014

Filed:

Mar 17, 2014

Appl. No.:

14/217095

Inventors:

- Ann Arbor MI, US
Gaurav Parmar - Ann Arbor MI, US
Cory Welch - Harrison Township MI, US
Shorya Awtar - Ann Arbor MI, US

International Classification:

H02K 1/06

US Classification:

310 1201

Abstract:

An embodiment of an electromagnetic actuator, such as a moving magnet actuator (MMA), includes a back iron, a first coil winding, a second coil winding, a mover, and a permanent magnet. The first and second coil windings are connected to the back iron, and have generally annular shapes. The mover moves relative to the back iron during use of the MMA. The permanent magnet is connected to the mover and moves with the mover during use of the MMA. The permanent magnet has a generally annular shape.