Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-10-25
1998-06-02
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 92, 310 90, 310 43, 192 45, 192 451, 192 41R, 192110B, 384564, 384569, 384571, 384585, F16D 4106
Patent
active
057605149
ABSTRACT:
The present invention is intended to provide a one-way clutch capable of preventing the inner circumferential surface of the outer ring of the one-way clutch from being deformed even when the outer ring of the one-way clutch for a stator constituting a torque converter is integrally formed with the stator made of plastic.
To attain the object, in the one-way clutch for the plastic stator, wherein the bearing support portion of the stator is integrally formed in the inner circumferential direction at or near one axial end of the boss portion of the stator and the outer ring is inserted in and formed on the inner circumferential side of the boss portion so as to be integrally held, the thickness of the outer ring on the side opposite to the bearing support portion is made smaller than that on the side of the bearing support portion, or the outer diameter of the outer ring is gradually decreased in the axial direction from the end of the outer ring on the side of the bearing support portion to the other end, or a ring-shaped step portion is provided at the other axial end on the outer circumferential surface of the outer ring so that the amount of thermal shrinkage at the plastic portion on the side of the bearing support portion of the stator is made almost equal to the thermal shrinkage at the plastic portion on the opposite side.
REFERENCES:
patent: 4660698 (1987-04-01), Miura
patent: 5056581 (1991-10-01), Tagawa et al.
patent: 5094076 (1992-03-01), Henricks
patent: 5431536 (1995-07-01), By et al.
patent: 5529402 (1996-06-01), Murphy
Arima Masanori
Sekine Katsumi
Taniguchi Toshio
Umezawa Masanobu
Dougherty Thomas M.
NOK Corporation & Koyo Seiko Co., Ltd.
Tamai Karl I.E.
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