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雙聯(lián)葉片泵　　
單作用：葉片是鑲嵌在槽里的，可以自由滑動，當(dāng)旋轉(zhuǎn)產(chǎn)生時，葉片在離心作用下甩到泵殼上，葉片泵是容積泵，相鄰的兩個葉片運(yùn)動到下邊時與泵殼和轉(zhuǎn)子封閉的容積zui小，在上邊時zui大，當(dāng)轉(zhuǎn)子順時針轉(zhuǎn)動時，相鄰兩葉片經(jīng)歷從zui下邊到zui上邊的過程就是容積增大過程，所以吸油（從第四象限到第二象限）；從zui上到zui下是容積減小過程，所以壓油（從第二到第四象限）。 　　雙作用：當(dāng)電機(jī)帶動轉(zhuǎn)子沿轉(zhuǎn)動時，葉片在離心力和葉片泵