Control systems for variable capacity hydraulic machines

Details Control systems for variable capacity hydraulic machines Control systems for variable capacity hydraulic machines

F - Mech Eng,Light,Heat,Weapons

04

B

103/12

F04B 49/10 (2006.01) F04B 1/32 (2006.01) F04B 49/08 (2006.01)

Patent

CA 1038694

ABSTRACT OF THE DISCLOSURE A pump is provided with a regulating device which includes a valve and a motor. The motor operates on the pump to vary the capacity thereof. Movement of the motor is controlled by the valve which has a spool and a body. A feedback link is provided between the motor and the body so that movement of the motor due to a displacement of the spool moves the body to return the valve to neutral. Hunting of the transmission is thus reduced.

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