Hydraulic power transmission system

Details Hydraulic power transmission system Hydraulic power transmission system

1974-09-09

1976-07-13

Croyle, Carlton R.

Motors: expansible chamber type

Differential

60426, 60427, 91412, 91461, F15B 1116

Patent

active

039687325

ABSTRACT:
In a system comprising first and second drive units each including one or more hydraulic motors, a two-position valve is provided in circuit with the motors of one drive unit, the motors of the other drive unit being supplied independently of the valve; the valve has a first operative position for blocking flow of working fluid to the one drive unit and a second operative position for permitting flow of working fluid to the one drive unit, the valve being operable between its first and second positions for selective operation of one or both drive units.

REFERENCES:
patent: 2467576 (1949-04-01), Zimmerman
patent: 2616259 (1952-11-01), Quintilian
patent: 3129781 (1964-04-01), Stein
patent: 3154925 (1964-11-01), DeVita
patent: 3381586 (1968-05-01), Rosenberg
patent: 3448577 (1969-06-01), Crawford
patent: 3481419 (1969-12-01), Kress et al.
patent: 3509721 (1970-05-01), Crawford
patent: 3802320 (1974-04-01), Stafford
patent: 3851566 (1974-12-01), Herrmann

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