Fluid feed device comprising a constant cylinder capacity pump a

Details Fluid feed device comprising a constant cylinder capacity pump a Fluid feed device comprising a constant cylinder capacity pump a

1975-05-02

1976-07-13

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of...

60486, F15B 1116, F15B 1309

Patent

active

039686507

ABSTRACT:
A fluid feed device comprising a constant cylinder capacity pump and at least one variable cylinder capacity pump driven from a single prime mover, the variable cylinder capacity pump being provided with a regulator for reducing its cylinder capacity as the feed pressure increases. The regulator is such as to reduce the power absorbed by the variable cylinder capacity pumps as the pressure increases by an amount equal to the increase in the power absorbed by the constant cylinder capacity pump such that the total power absorbed by the pumps remains constant and equal to the power of the prime mover.

REFERENCES:
patent: 3859790 (1975-01-01), Bacquie et al.
patent: 3897174 (1975-07-01), Capelle et al.

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