US 12,355,331 B2
Electric machine unit
Chidambaram Subramoniam, Chennai (IN); and Thamilarasan Balakrishnan, Chennai (IN)
Assigned to TVS MOTOR COMPANY LIMITED, Chennai (IN)
Appl. No. 18/013,804
Filed by TVS MOTOR COMPANY LIMITED, Chennai (IN)
PCT Filed Oct. 10, 2020, PCT No. PCT/IN2020/050872
§ 371(c)(1), (2) Date Dec. 29, 2022,
PCT Pub. No. WO2022/003708, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202041027651 (IN), filed on Jun. 29, 2020.
Prior Publication US 2023/0361647 A1, Nov. 9, 2023
Int. Cl. H02K 7/00 (2006.01); H02K 5/20 (2006.01); H02K 9/06 (2006.01); H02K 11/20 (2016.01); H02K 16/00 (2006.01)
CPC H02K 7/006 (2013.01) [H02K 5/20 (2013.01); H02K 9/06 (2013.01); H02K 11/20 (2016.01); H02K 16/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electric machine unit for a motorized device, said electric machine unit comprising:
a rotor assembly comprising:
rotor members; and
a rotor shaft configured to support said rotor assembly, wherein said rotor assembly is capable of rotating along with said rotor shaft; and
a stator assembly comprising:
stator members, wherein each stator member is configured to work in conjunction with a corresponding rotor member of the rotor members; and
a mode selector configured to enable operation of one or more of said stator members to rotate said rotor shaft depending one or more parameters of said motorized device, wherein
said rotor assembly and said stator assembly are housed within a casing of said electric machine unit,
said rotor shaft supports an intake fan and an exhaust fan, wherein said intake fan and said exhaust fan are disposed at axial ends of said rotor shaft, and
said intake fan and said exhaust fan are enclosed by said casing,
said casing is connected to an unit-inlet configured to provide purified air from a filter unit,
said intake fan is configured to circulate air in the casing, and
said exhaust fan is capable of directing air out through an unit-outlet connected to said casing.