- 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 motion to a fluid; specifically, in a centrifugal compressor, a rotary disc that is faced on one or both sides with radial vanes and accelerates the incoming fluid outward into a diffuser. Also called an impeller wheel.iii. A vaned disc, which picks up and accelerates the air outwardly to increase the pressure in a supercharger of a reciprocating engine.
Aviation dictionary. 2014.
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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 —  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  A fluid coupling or… … Dictionary of automotive terms
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 — also impellor noun Date: 1685 1. one that impels 2. a. a rotor located in a conduit to impart motion to a fluid b. a blade of a rotor … New Collegiate Dictionary
impeller — an electrically driven propeller used in aquaria to push water through a pump or filter … Dictionary of ichthyology