Document Type and Number:
Japanese Patent JPH01503164
Kind Code:
A
Abstract:
A load responsive system is provided with two synchronizing systems for positive and negative load compensation. One of the synchronizing systems varies the flow through a negative load compensator, during control of a negative load, in response to the inlet pressure of a fluid motor which is controlled by a positive load compensator. The other synchronizing system isolates the system pump from the fluid motor during control of the negative load while make-up flow to the fluid motor is supplied from the fluid exhaust system. In a more specific arrangement, the system pump is isolated from the fluid motor through the use of the positive load compensator and totally independent of any negative load compensating action. The synchronizing systems function in response to an external signal(s), which can be a function of any selected specific parameter of the system.
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Application Number:
JP50483887A
Publication Date:
October 26, 1989
Filing Date:
August 10, 1987
Export Citation:
International Classes:
F15B11/05; E02F9/22; F15B11/044; F15B13/04; (IPC1-7): F15B11/05