192 clutches and power-stop control – Clutches – Axially engaging
Patent
1997-11-05
1999-04-13
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Axially engaging
192 8923, 192 90, 192109A, F16D 1350, F16D 1302
Patent
active
058934448
ABSTRACT:
An automotive starting clutch having an input, including a pressure plate and a back plate, and an output disk releasably clamped by the pressure plate for rotation with the input. A control diaphragm provides a control force to vary the clamping force of the pressure plate between zero and maximum values and includes radial fingers movable axially to vary the control force. The control force of the diaphragm is counterbalanced by a Belleville spring in proportion with actuating travel of the radial fingers. By adding a single Belleville spring to an otherwise conventional clutch, it is possible to reduce considerably the control force of a conventional starting friction clutch, allowing the use of inexpensive electronically controlled actuators.
REFERENCES:
patent: 2072832 (1937-03-01), Weydell
patent: 4602708 (1986-07-01), Nagano
patent: 4648498 (1987-03-01), Herbulot et al.
patent: 4865173 (1989-09-01), Leigh-Monstevens
patent: 4949829 (1990-08-01), Tojima et al.
patent: 5088583 (1992-02-01), Takeuchi et al.
patent: 5148904 (1992-09-01), Takashi et al.
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