US 12,294,250 B2
Motor encoder anti-rotation device
Glenn Siracki, Burton, OH (US)
Assigned to Nidec Motor Corporation, St. Louis, MO (US)
Filed by Nidec Motor Corporation, St. Louis, MO (US)
Filed on Jan. 6, 2023, as Appl. No. 18/150,864.
Claims priority of provisional application 63/297,260, filed on Jan. 7, 2022.
Prior Publication US 2023/0223822 A1, Jul. 13, 2023
Int. Cl. H02K 11/21 (2016.01)
CPC H02K 11/21 (2016.01) 17 Claims
OG exemplary drawing
 
1. An encoder assembly for an electromagnetic apparatus including an apparatus body and a rotor, wherein the rotor includes a shaft rotatable relative to the apparatus body, said encoder assembly comprising:
an encoder including an encoder body and an encoder shaft,
said encoder shaft configured to be coupled with the rotor shaft and rotatable relative to the encoder body about an axis; and
a mounting system for mounting the encoder to the apparatus body,
said mounting system including a mounting frame fixed relative to the apparatus body and a tether interconnecting the encoder body and the mounting frame,
said mounting system permitting limited radial and axial movement of the encoder body relative to the mounting frame.