192 clutches and power-stop control – Clutches – Automatic
Reexamination Certificate
2005-03-02
2010-02-02
Bonck, Rodney H (Department: 3655)
192 clutches and power-stop control
Clutches
Automatic
C192S040000, C192S084100, C192S084800, C192S1030FA
Reexamination Certificate
active
07654375
ABSTRACT:
A rotation transmission device includes a roller clutch unit for selectively engaging an inner member mounted on a rotary shaft with an outer ring through rollers, and an electromagnetic clutch unit for electromagnetically controlling the selective engagement by the rollers. The current until the clutch engages is set so as to correspond to a state in which a maximum current according to the revolving speed is required and is varied according to the revolving speed of the rotary shaft to reduce power consumption and the size of the electromagnetic coil.
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Office Action issued Oct. 27, 2009 in the corresponding Japanese Patent Application No. 2004-057567 (with partial English translation).
Bunko Hiroshi
Okada Koichi
Saito Takahide
Yamamoto Tetsuya
Bonck Rodney H
NTN Corporation
Wenderoth , Lind & Ponack, L.L.P.
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