Differential pressure measuring device with position detector me

Details Differential pressure measuring device with position detector me Differential pressure measuring device with position detector me

1990-04-16

1992-06-23

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60328, F16D 3102

Patent

active

051232448

ABSTRACT:
A hydrostatic transmission with a pair of pump/motor connected in a closed loop state by a pair of hydrostatic circuit. The hydrostatic transmission comprises a differential pressure detecting means which detects the differential pressure between the circuits and a displacement correcting means which, in case an operation to establish a neutral status has been carried out, controls the displacement volume of the pump/motor on the side where the pumping action is carried out toward a direction in which the magnitude of this differential pressure is held within a set range.
In case the set range is set to a value with which a vehicle cannot run, the phenomenon of creep running will not occur.

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