impeller

impeller
/im pel"euhr/, n.
1. a person or thing that impels.
2. a rotor for transmitting motion, as in a centrifugal pump, blower, turbine, or fluid coupling.
[1675-85; IMPEL + -ER1]

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Universalium. 2010.

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  • 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 — [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. Also see volute [2] A fluid coupling or… …   Dictionary of automotive terms

  • 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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