首页 >  Term: rotary pump
rotary pump

A positive-displacement pump in which the liquid-propelling parts are cams, gears, impeller wheels, etc., rotating within a case, as distinguished from those pumps that move liquids by means of the to-and-fro motion of a piston within a cylinder. Compare: centrifugal pump

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  • ed.young
  • (Milwaukee, United States)

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