Hydraulic circuit with a booster circuit for operating the worki

Details Hydraulic circuit with a booster circuit for operating the worki Hydraulic circuit with a booster circuit for operating the worki

1988-04-13

1989-07-11

Look, Edward K.

Power plants

Pressure fluid source and motor

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

60460, 60464, 91518, F16D 3900

Patent

active

048459488

ABSTRACT:
A hydraulic operating circuit for working members of earth-moving machines includes linear and rotary hydraulic actuators each of which is associated with a respective hydraulic distributor supplied from a principal supply and with a pressure compensator of the load-sensing type. A re-supply circuit is also associated with one or more of the rotary actuators for integrating the leakage and includes two anticavitation valves and a valve for boost-feeding the anticavitation valves from the principal supply.

REFERENCES:
patent: 3625007 (1971-12-01), Herndon, Jr.
patent: 3913453 (1975-10-01), Parquet
patent: 4732076 (1988-03-01), Ewald
patent: 4738103 (1988-04-01), Tha
patent: 4739617 (1988-04-01), Kreth et al.

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