US 11,705,773 B2
Integrated magnetic shield and bearing holder
Takayuki Migita, Novi, MI (US); Takumi Okada, Rochester Hills, MI (US); Bradley Dunnill, Grand Blanc, MI (US); Dan Fischer, Orion Charter Township, MI (US); Christopher Loewe, Bloomfield, MI (US); Ruben Rivera, El Paso, TX (US); Jose D Mendez, Chihuahua (MX); Daniel Mendoza, Chihuahua (MX); Manuel Gutierrez, Chihuahua (MX); and Angel Noe, Chihuahua (MX)
Assigned to NIDEC CORPORATION, Kyoto (JP)
Filed by Nidec Automotive Motor Americas LLC, Auburn Hills, MI (US)
Filed on Jan. 15, 2021, as Appl. No. 17/150,619.
Prior Publication US 2022/0231565 A1, Jul. 21, 2022
Int. Cl. H02K 5/16 (2006.01); H02K 5/173 (2006.01); F16C 35/067 (2006.01)
CPC H02K 5/1732 (2013.01) [F16C 35/067 (2013.01); F16C 2380/26 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bearing holder unit for use with an electric power steering apparatus, the bearing holder unit comprising:
a shaft portion including an inner wall and a ledge extending radially inward from the inner wall, the inner wall defining a channel; and
a cover portion extending radially outward from the shaft portion, the cover portion including:
a first layer;
a second layer extending substantially parallel to the first layer;
a magnetic shield extending between the first layer and the second layer; and
an outer wall extending from one or more of the first layer or the second layer such that a space is defined between the outer wall and the shaft portion,
wherein the cover portion includes one or more retainers coupled to the magnetic shield to restrict movement of the magnetic shield relative to one or more of the first layer or the second layer.