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EFFECTIVELY ATTAINING DEVICE FOR CORRECTING FREE MOMENT CAUSED BY INERTIA FORCE IN INTERNAL COMBUSTION ENGINE
EFFECTIVELY ATTAINING DEVICE FOR CORRECTING FREE MOMENT CAUSED BY INERTIA FORCE IN INTERNAL COMBUSTION ENGINE
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机译:有效地修正内燃发动机惯性力引起的自由力矩的装置
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摘要
Apparatus for compensating moments created by inertia forces in an internal combustion engine (2) used for a ship's propulsion comprises a balancer (8) spaced in the fore-and-aft direction from the engine and including one or more rotary unbalanced masses (9). Each unbalanced mass is driven by a positive displacement hydraulic motor (12) connected through feed and return conduits (14, 15) with a positive displacement hydraulic pump (13) driven by the engine (2) in such a way that the rpm of the mass is equal to or twice the rpm of the engine crankshaft (3) and that a desired phase relationship between the rotation of the mass and the movements of the oscillating masses of the engine is maintained. The hydraulic drive provides a simpler and cheaper apparatus as compared to known electrically driven balancers.
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