192 clutches and power-stop control – Elements – Thrust members – retarders – and stops
Patent
1976-06-28
1977-07-19
Wyche, Benjamin W.
192 clutches and power-stop control
Elements
Thrust members, retarders, and stops
1371163, F16D 25062
Patent
active
040363422
ABSTRACT:
A pressure limiting arrangement is disclosed for automatically reestablishing full clutch engagement pressure to a hydraulic pressure actuated clutch of a vehicle whenever the operator, by the manipulation of an inching valve, attempts to slip the clutch above a predetermined partial engagement pressure and includes a mechanical biasing device connected to the inching valve and effective in overriding the manual control thereof to shift the valve to its full clutch engaging position, an actuator connected for effecting the disengagement of the biasing device to allow normal operation of the valve, and a control system to effect the selective operation of the actuator and including a first device responsive to a predetermined application of the manual control member of the valve to effect the initial disengagement of the biasing device and a second device responsive to the predetermined partial clutch engagement pressure to effect the reengagement of the mechanical biasing device.
REFERENCES:
patent: 2939557 (1960-06-01), Dabich et al.
patent: 3463278 (1969-08-01), Broeker et al.
patent: 3957145 (1976-05-01), Kitano et al.
Grant John W.
Pence Oscar G.
Towmotor Corporation
Wyche Benjamin W.
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