Low breakout hydraulic power transfer unit and method of operati

Details Low breakout hydraulic power transfer unit and method of operati Low breakout hydraulic power transfer unit and method of operati

1992-07-22

1994-07-05

Look, Edward K.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of...

60487, 60494, 91444, F16D 3102

Patent

active

053256697

ABSTRACT:
A low breakout power transfer unit for transferring power between first and second hydraulic systems includes first and second pump/motor units to allow fluid flow between the first and second pump/motor units and the first and second hydraulic systems, respectively. The transfer unit includes a detection device for sensing fluid flow demand in the hydraulic systems and values for automatically isolating the pump/motor units from the hydraulic systems when the detection means senses substantially no fluid flow demands in a hydraulic system. The transfer unit includes a bypass device for each pump/motor unit for recirculating pumped fluid in excess of fluid flow demand.

REFERENCES:
patent: 3230699 (1966-01-01), Hann et al.
patent: 3691767 (1972-02-01), Cakley
patent: 3699677 (1972-10-01), Asmus
patent: 3927527 (1975-12-01), Engel
patent: 4132072 (1979-01-01), Schlinke
patent: 4258548 (1981-03-01), Hall et al.
patent: 5101925 (1992-04-01), Walker

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