Priority valve for hydraulic installations

Details Priority valve for hydraulic installations Priority valve for hydraulic installations

1985-11-18

1989-08-22

Hepperle, Stephen M.

Motors: expansible chamber type

Plural relatively movable or rigidly interconnected working...

Condition responsive means for modifying working member...

137101, 137117, 251121, G05D 1103

Patent

active

048585157

ABSTRACT:
The invention relates to a priority valve for a hydraulic installation having a main circuit and an auxiliary circuit. The priority valve has a slide member which primarily has a controlled throttle for dividing the supply fluid between the main and auxiliary circuits in accordance with the priority demands of the main circuit. The priority valve has a flow path leading to the auxiliary circuit which has throttle elements in series which provide pressure drops in steps to minimize cavitation when there is a rapid flow of fluid in the auxiliary circuit.

REFERENCES:
patent: 3424057 (1969-01-01), Schweizer
patent: 3715098 (1973-02-01), Baumann
patent: 3730479 (1973-05-01), Baumann
patent: 3817266 (1974-06-01), Dymond
patent: 3820756 (1974-06-01), Meyer
patent: 4192337 (1980-03-01), Alderson

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