(redirected from impeller wheel)
Also found in: Thesaurus, Encyclopedia.


1. One that impels, as a rotating device used to force a fluid in a desired direction under pressure.
2. A rotor or rotor blade.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (General Engineering) the vaned rotating disc of a centrifugal pump, compressor, etc
2. (General Engineering) a compressor or centrifugal pump having such an impeller
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ɪmˈpɛl ər)

1. one that impels.
2. a rotor for transmitting motion, as in a centrifugal pump, turbine, or fluid coupling.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.impeller - the blade of a rotor (as in the compressor of a jet engine)impeller - the blade of a rotor (as in the compressor of a jet engine)
vane, blade - flat surface that rotates and pushes against air or water
rotor - rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In the simplified illustration of a centrifugal impeller wheel in figure 1 the outer or tip diameter of the impeller (D1), and by extension the tip velocity, will determine the compressor's lift.
The fluid is assumed to enter the impeller wheel at radius [r.sub.1] with uniform absolute velocity [V.sub.1] and to leave the impeller wheel at radius [r.sub.2] with uniform absolute velocity [V.sub.2].
Contained in the loading door are the impeller wheel and motor, impeller wheel housing, L[N.sub.2] injection nozzle, media transport tube and the thermocouple.
A specially designed infeed chute and impeller wheel provide for the necessary prepositioning of the potatoes and guarantee maximum length french fries.
impeller wheel. Spherical roller bearings on tapered sleeves, housed in cast-iron split pillow blocks, support the impeller and the coupling.