Power plants – Pressure fluid source and motor – Coaxial impeller and turbine unit
Reexamination Certificate
2007-03-21
2009-11-17
Leslie, Michael (Department: 3745)
Power plants
Pressure fluid source and motor
Coaxial impeller and turbine unit
C060S361000
Reexamination Certificate
active
07617677
ABSTRACT:
A stator unit for a torque converter includes a stator, a one-way clutch mounted radially inside the stator, and thrust bearings provided on both axial sides of the one-way clutch. The one-way clutch includes an outer ring having a peripheral wall and side walls extending radially inwardly from the respective side edges of the peripheral wall and each having a flange formed at the radially inner edge thereof, an inner ring which is in sliding contact with the flanges, and sprags disposed between the inner surface of the peripheral wall and the outer surface of the inner ring. Each of the thrust bearings has a stake which is pressed into one of engaging steps formed in the radially inner surface of the stator until the bearing ring of the thrust bearing is pressed against one of the side walls and one of axial end surfaces of the inner ring, thereby retaining the component parts so as to be inseparable from the stator.
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Abe Katsufumi
Akamatsu Hideki
Hattori Takashi
Hibi Yasumasa
Saito Takahide
Leslie Michael
NTN Corporation
Wenderoth Lind & Ponack, LLP.
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