| 摘要 |
A rotary pump includes a casing having a rotator rotatably received therein and a shaft fixedly extends through the rotator. The shaft is located eccentrically in the casing. An inlet and an outlet are defined through the casing and a receiving area is defined longitudinally in an outer periphery of the rotator. A pushing assembly has an end pivotally received in the receiving area and the other end of the pushing assembly either rotatably contacts an inner periphery of the casing or is either received in the receiving assembly during the rotation of the rotator to suck liquid from the inlet or push liquid out from the outlet.
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