Hydraulic circuit flow control

Details Hydraulic circuit flow control Hydraulic circuit flow control

1993-01-21

1994-07-19

Look, Edward K.

Power plants

Pressure fluid source and motor

Pump means moves motive fluid from one chamber to an...

60414, 91463, F16D 3102, F15B 1108, F15B 1304

Patent

active

053297679

ABSTRACT:
A hydraulic system incorporating a double acting piston and cylinder and a bi-directional pump/motor derives energy from a drive system when operating in the pump mode and delivers energy to the drive system when in the pump mode and includes a circulation valve for supplementing fluid flow to and from and fluid supply in accordance with the unequal demands of the chambers driving the hydraulic actuator in one direction or the other by circulating fluid between the chambers.

REFERENCES:
patent: 3971215 (1976-07-01), Baron et al.
patent: 4342164 (1982-08-01), Claassen
patent: 4359931 (1982-11-01), Palmersheim et al.
patent: 4715180 (1987-12-01), Rosman
patent: 4738101 (1988-04-01), Kubik
patent: 4913616 (1990-04-01), Dunn
patent: 4961316 (1990-10-01), Corke et al.
patent: 5179836 (1993-01-01), Dantlgraber

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