[1] A rotating member of a centrifugal pump which is equipped with vanes to convert mechanical energy into fluid energy. A rotor or wheel with blades or vanes used in pumps to drive and circulate fluid.
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[2] A fluid coupling or torque converter -- the driving member connected to the crankshaft via drive plate and converter cover which generates the fluid flow inside the converter. The driving torus in the fluid coupling or torque converter of an automatic transmission.
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Dictionary of automotive terms. 2015.

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  • Impeller — Impeller, „aus dem Vollen“ gefräst Ein Impeller ist ein von einem ring oder röhrenförmigen Gehäuse umschlossener Propeller. Das Konstruktionsprinzip gleicht dem von Mantelpropellern, die bei Luftfahrzeugen eingesetzt werden. Hier werden die… …   Deutsch Wikipedia

  • Impeller — Im*pel ler, n. One who, or that which, impels. [1913 Webster] …   The Collaborative International Dictionary of English

  • impeller — index abettor, catalyst Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • impeller — (n.) 1680s, agent noun from IMPEL (Cf. impel) (v.). As a machine part from 1890 …   Etymology dictionary

  • impeller — [im pel′ər] n. any person or thing that impels, as the rotorlike part in a water pump …   English World dictionary

  • Impeller — An impeller is a rotor inside a tube or conduit to increase the pressure and flow of a fluid.Impellers in pumpsAn impeller is a rotating component of a centrifugal pump, usually made of iron, steel, aluminum or plastic, which transfers energy… …   Wikipedia

  • impeller — i. A part of a gas turbine engine used in the compressor section. It consists of a forged disc with radially opposed vanes on one or both sides, forming a convergent passage in conjunction with the compressor casing. ii. A device that imparts… …   Aviation dictionary

  • impeller — impel ► VERB (impelled, impelling) 1) drive, force, or urge to do. 2) drive forward. DERIVATIVES impeller noun. ORIGIN Latin impellere, from in towards + pellere to drive …   English terms dictionary

  • impeller vane — Any one of the vanes on the impeller of a centrifugal compressor, serving to take in air and accelerate it radially outward. Also called an impeller blade. See impeller (ii) …   Aviation dictionary

  • impeller wheel — The vaned rotary disc in a centrifugal compressor. Usually called the impeller. See impeller (ii) …   Aviation dictionary

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