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Four cycle four cylinder in-line engine with rotors of a supercharging device used as balance shafts
Four cycle four cylinder in-line engine with rotors of a supercharging device used as balance shafts
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机译:四冲程四缸直列式发动机,带有增压装置的转子,用作平衡轴
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摘要
A four cycle four cylinder in-line internal combustion engine is provided with a housing structure that contains two shafts which rotate in opposite directions to each other and at the same rotational velocity. Pairs of counterweights are attached to the two shafts in order to provide a counterbalance force which is generally equal to an opposite from the secondary shaking force which results from the reciprocal movement of the pistons of the engine. The first and second shafts are rotors of a supercharging device, such as a Roots blower. The rotational speed of the first and second shafts is twice that of the rotational speed of the crankshaft of the engine and the provision of counterweights on the first and second shafts balances the secondary forces caused by the reciprocal motion of the piston in the engine.
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