Hydraulic driving system with protection against overspeed

Motor vehicles – Power – Including traction motor of kind driven by noncompressible...

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60488, 137504, B62D 1104

Patent

active

044946244

ABSTRACT:
A hydraulic driving system for vehicles having separate drives for each wheel. The system includes a plurality of hydraulic motors connected in parallel to high-pressure and suction ports of a pump. At least one restrictor having a non-linear response is connected in the parallel supply conduits branching to respective hydraulic motors, to limit the flow rate when a motor operates under unloaded conditions.

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patent: 3656570 (1972-04-01), Gortnar
patent: 3717213 (1973-02-01), Roe
patent: 3747350 (1973-07-01), West
patent: 3788078 (1974-01-01), Rubenstein
patent: 3838573 (1974-10-01), Laumond
patent: 3913453 (1975-10-01), Parget
patent: 4051864 (1977-10-01), Iwatsuki
patent: 4237926 (1980-12-01), Walker

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