192 clutches and power-stop control – Clutches – Axially engaging
Reexamination Certificate
2005-12-20
2005-12-20
Lorence, Richard M. (Department: 3681)
192 clutches and power-stop control
Clutches
Axially engaging
C192S113340, C192S111400, C192S210000
Reexamination Certificate
active
06976567
ABSTRACT:
A wet-type friction engaging apparatus10comprises a friction disk30which is fitted by spline with a hub20and a mating plate40which is fitted by spline with a drum D. The friction disk30and the mating plate40are arranged alternately, and torque is transmitted when the friction disk30and the mating plate40are engaged with each other. The inner surface of the hub20is in a stepped taper shape in order to let lubricating oil B leak from an opening end26of the hub20, and an oil bore24is provided in each step in a radial direction of the hub20. A periphery of an inlet of each oil bore24is in a concave shape. During low-speed rotation when centrifugal force is relatively small, the lubricating oil B leaks from the opening end26of the hub20and drag torque is reduced, and during high-speed rotation when centrifugal force is relatively large, lubricating oil which splashes from a shaft is securely concentrated and then be drained through the oil bore24.
REFERENCES:
patent: 4148384 (1979-04-01), Stinson
patent: 4446953 (1984-05-01), Voss et al.
patent: 4566572 (1986-01-01), Flotow et al.
patent: 6401896 (2002-06-01), Schnepf
patent: 10-9287 (1998-01-01), None
Dynax Corporation
Howson and Howson
Lorence Richard M.
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