Control arrangements for regulating the speed of a hydrostatic e

Details Control arrangements for regulating the speed of a hydrostatic e Control arrangements for regulating the speed of a hydrostatic e

1982-08-02

1985-10-08

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of distinct...

60426, 60429, 60447, F16H 3946

Patent

active

045452016

ABSTRACT:
Control arrangement for regulating the speed of movement of a hydrostatic energy consumer is provided in which the ratio between pressure supplied and power on the output side is constant, in particular, a piston capable of sliding in a cylinder connected to a pressure main line, characterized in that an initial hydrostatic displacement machine is connected between the pressure main line and the consumer and is coupled with a second hydrostatic displacement machine on the shaft side, the second hydrostatic displacement machine is adjustable with respect to its displacement volume per revolution and is connected on the one hand to the pressure main line and on the other hand to a chamber carrying a lower pressure, where the adjusting element of this second displacement machine is connected with an r.p.m.-regulating device.

REFERENCES:
patent: 3866420 (1975-02-01), Appel
patent: 4216656 (1980-08-01), Hamma
patent: 4243107 (1981-01-01), Shook
patent: 4398869 (1983-08-01), Kirkham et al.

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