FIELD: engine engineering. SUBSTANCE: engine is started by the hydraulic "piston-cylinder" device of double-sided action. After starting, the device is used for power taking off from the engine. The valve is mounted between the hydraulic accumulator filled with the working fluid under starting pressure and hydraulic spaces. The valve is controlled by changing its position so that to create higher pressure in the hydraulic cylindric spaces alternatively. In starting, the one-way valves interposed between the hydraulic spaces and drive is closed to relieve the piston pump. EFFECT: enhanced reliability. 2 cl, 3 dwg
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