Automatic centrifugal clutch with electric release and hysterisi

Details Automatic centrifugal clutch with electric release and hysterisi Automatic centrifugal clutch with electric release and hysterisi

1993-01-22

1995-06-13

Wright, Dirk

192 clutches and power-stop control

Clutches

Operators

192105C, 475153, F16D 4300, F16D 4320

Patent

active

054234069

ABSTRACT:
An epicyclic train operates as a speed reducer between an input and an output when a clutch is released, and as a direct drive connection in the contrary case. The selective clamping is obtained by centrifugal weights, counter to biasing springs and to an helical teeth reaction force, which is proportional to the torque transmitted during speed-reducing operation. The reaction force promotes speed-reducing operation when the torque to be transmitted is high. Means are provided for applying a force pulse to the weights when the driver depresses the accelerator pedal. Since, upon a ratio change, the reaction force and the friction forces in the clutch vary so as to stabilize the newly created transmission ratio, a force pulse is enough for initiating a ratio change which will then be stabilized by a spontaneous variation of the reaction force and the friction forces.

REFERENCES:
patent: 2280736 (1942-04-01), Winther
patent: 2555860 (1951-06-01), Reed
patent: 2591989 (1952-04-01), Winther
patent: 2899033 (1959-08-01), Bochory
patent: 3003608 (1961-10-01), Biraben
patent: 3091315 (1963-05-01), Maurice et al.
patent: 3180469 (1965-04-01), Wiedman et al.
patent: 3184025 (1965-05-01), Aschauer
patent: 3797331 (1974-03-01), Kjeldsteen
patent: 4576269 (1986-03-01), Hamane et al.
patent: 4986403 (1991-01-01), Tipton
patent: 5033598 (1991-07-01), Tipton

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