Control valve for double-acting piston and valve assemblies

Details Control valve for double-acting piston and valve assemblies Control valve for double-acting piston and valve assemblies

1982-03-05

1984-03-06

Hershkovitz, Abraham

Motors: expansible chamber type

With motive fluid valve

Inlet fluid supplemented by controlled fluid pressurized in...

91443, 91454, 91455, 91463, 137494, F15B 1108

Patent

active

044347081

ABSTRACT:
An improved control valve for double-acting piston and cylinder asemblies is disclosed in which pressure for actuating a regeneration valve to direct hydraulic fluid from the contracting side of the piston to the expanding side, is controlled by a cylindrical check valve apparatus (86-112) which surrounds the valve plunger and controls the pressure of fluid flowing from the contracting side to the reservoir.

REFERENCES:
patent: 2505527 (1950-04-01), Court
patent: 3006372 (1961-10-01), Ruhl
patent: 3033168 (1962-05-01), Ruhl
patent: 3049101 (1962-08-01), Ruhl
patent: 3215160 (1965-11-01), Rice
patent: 3448685 (1969-06-01), Kroth
patent: 3459219 (1969-08-01), Genz
patent: 3477347 (1969-11-01), Rice
patent: 3482600 (1969-12-01), Hodgson
patent: 3568707 (1971-03-01), Shore
patent: 4132153 (1979-01-01), Grotness et al.
patent: 4294278 (1981-10-01), Blake

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