STATOR CAN HOUSING WELDED TO BEARING SUPPORT AND METHOD OF ASSEMBLING A HYBRID TRANSMISSION UTILIZING THE SAME
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United States of America Patent
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-
N/A
Issued Date -
Oct 8, 2009
app pub date -
Aug 19, 2008
filing date -
Apr 3, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A motor/generator for a hybrid transmission includes a bearing support configured for attachment to the hybrid transmission. A stator can is bonded directly to the bearing support, possibly by welding. The motor/generator may further include a stator press-fit into said stator can. A method of assembling a hybrid transmission includes welding a stator can to a bearing support, forming a motor/generator housing. A stator is then pressed into the housing. A substantially-complete motor/generator is assembled by installing a rotor, a rotor hub, and a ball bearing into the housing, which are held in the motor/generator housing with a snap ring. The method may include rigidly attaching the substantially-complete motor/generator to a main case. The method may further include testing the substantially-complete motor/generator prior to transporting the motor/generator to a final place of assembly and rigidly attaching the motor/generator to the transmission main case.
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