Output control apparatus for a hydrostatic drive with delivery a

Details Output control apparatus for a hydrostatic drive with delivery a Output control apparatus for a hydrostatic drive with delivery a

1984-10-12

1986-12-09

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

417218, F16D 3102

Patent

active

046272380

ABSTRACT:
An output control apparatus for a hydrostatic drive in open circuit is described which has a device for regulating the delivery of the hydraulic pump. In addition to conventional output control by way of an output valve, the arrangement of an additional control piston which acts on the spool of the output valve provides the possiblity of adjusting the delivery as a function of the restoring pressure of a load during its working movement in a return direction, with reduced power consumption.

REFERENCES:
patent: 3732036 (1973-05-01), Busbey et al.
patent: 3788774 (1974-01-01), Roesslein
patent: 4011721 (1977-03-01), Yip
patent: 4292805 (1981-10-01), Acheson
patent: 4498847 (1985-02-01), Akiyama

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