Input torque control device

Details Input torque control device Input torque control device

1985-10-11

1986-12-23

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417222, F04B 126

Patent

active

046310053

ABSTRACT:
In a control device for limiting the maximum permissible input torque or power for a hydraulic pump, a control valve is provided with a first piston area which is acted upon by pressure from a torque sensor. A second piston area effective to more the control valve against a return means is acted upon by pressure from a remote control device so as to reduce the maximum possible input torque and thus create an input torque control device also effective as a power preselecting device.

REFERENCES:
patent: 3723026 (1973-03-01), Soyland
patent: 3742820 (1973-07-01), Lonnemo
patent: 3758235 (1973-09-01), Breeden
patent: 3784327 (1974-01-01), Lonnemo
patent: 4203712 (1980-05-01), Uehara

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