All hydraulic motor grader circuitry

Details All hydraulic motor grader circuitry All hydraulic motor grader circuitry

1974-02-04

1977-07-05

Geoghegan, Edgar W.

Motors: expansible chamber type

With motive fluid valve

For double-acting motor

13759618, 60445, F15B 1108, F15B 1304

Patent

active

040332365

ABSTRACT:
A closed center control valve for double acting motors having an inlet passage and a pair of control passages is provided with pre-sized restrictions in the control passages to control the flow rate to the motor so that a pre-selected velocity of movement of the motor is achieved.

REFERENCES:
patent: 1964196 (1934-06-01), Cuttat
patent: 2157707 (1939-05-01), Keel
patent: 2240898 (1941-05-01), Weidmann
patent: 2710628 (1955-06-01), Hodgson
patent: 2857886 (1958-10-01), Williams et al.
patent: 2974637 (1961-03-01), Holmes et al.
patent: 2995141 (1961-08-01), Hipp
patent: 3099135 (1963-07-01), Hoadley
patent: 3106938 (1963-10-01), Gordon
patent: 3186307 (1965-06-01), Ellenbogen
patent: 3198088 (1965-08-01), Johnson et al.
patent: 3379133 (1968-04-01), McCormick
patent: 3685531 (1972-08-01), Byford

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