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OIL PUMP HAVING TWO ROTORS FOR REDUCING PULSATION OF AUTOMATIC TRANSMISSION
OIL PUMP HAVING TWO ROTORS FOR REDUCING PULSATION OF AUTOMATIC TRANSMISSION
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机译:具有两个转子的机油泵,用于减少自动变速器的脉动
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摘要
The present invention relates to an oil pump. More specifically, the present invention relates to a double oil pump for an automatic transmission reducing a pulsation due to high fluctuation pressure generated by a periodic abnormal flow of an outlet of a pump gear. To this end, the present invention is provided to enable a first inner external gear and a second inner external gear to be integrally rotated inside a pump housing, wherein concavities and convexities of outer teeth of the first inner external gear and the second inner external gear are alternately arranged.
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