FIELD: engines and pumps.
SUBSTANCE: hydrostatic drive device comprises an engine, a dual pump driven from an engine, and a hydraulic control valve hydraulically connected to it. The hydraulic control valve controls the on-off and/or direction of working fluid flow. The hydraulic control valve is rigidly connected to the engine and/or the dual pump.
EFFECT: increased efficiency.
10 cl, 2 dwg
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|---|---|---|---|
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| FORESTRY AND TIMBER MACHINE | 1995 |
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| OFFROAD VEHICLE TRANSMISSION | 1999 |
|
RU2162799C2 |
