| 摘要 |
A charge pump for hydraulic drive device such as a hydrostatic transmission or integrated hydrostatic transaxle using hydraulic porting having first and second pressure sides mounted in a sump to connect a hydraulic pump and motor. The charge pump comprises a body connected between the first and second pressure sides of the porting to pull hydraulic fluid from a charge sump to the low pressure side of the porting, when the second pressure side is under low pressure.
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