Hydrostatic drive arrangement

Power plants – Pressure fluid source and motor – Having condition responsive control in a system of distinct...

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180 648, F15B 1122

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active

045833710

ABSTRACT:
A hydrostatic drive arrangement for a vehicle providing synchronized rotation of a pair of output drive shafts including a pair of transmissions each having a closed loop hydraulic circuit hydraulically interconnecting a variable displacement pump and a hydraulic motor, and a pressure responsive hydraulic synchronizing valve disposed between the hydraulic circuits and normally open to permit interflow of fluid between the hydraulic circuits with the valve being responsive to fluid pressure in one of the hydraulic circuits to restrict flow therethrough when the fluid pressure in the one hydraulic circuit exceeds a predetermined value.

REFERENCES:
patent: 3091930 (1963-06-01), Thoma et al.
patent: 3576106 (1971-04-01), Nowicki
patent: 3655004 (1972-04-01), Hoashi
patent: 3744584 (1973-07-01), Swift
patent: 3908374 (1975-09-01), Habiger

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