impeller

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impeller

[im′pel·ər]
(mechanical engineering)
The rotating member of a turbine, blower, fan, axial or centrifugal pump, or mixing apparatus. Also known as rotor.

impeller

impeller
The rotating member in a pump consisting of a disk with vanes attached to it; moves liquid by accelerating the liquid radially outward.

impeller

impeller
impeller
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 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.
References in periodicals archive ?
Recent work has also shown that rotary impellor techniques provide other benefits beside metal degassing.
Furnishing all labor, materials, equipment, tools, transportation, services, and incidentals and performing all work necessary to conduct: 1)Replacement of existing aerator/mixer impellors in (3) carrousels.
Solvents dissolve oil, grease, and rubber," she continued, "Spill responders have told me that the hard rubber impellors in their engines and the soft rubber bushings on their outboard motor pumps are falling apart and need frequent replacement.
Workers on the Vessels of Opportunity (the lemons-into-lemonade name given to BP's cleanup fleet) have told me that their hard rubber impellors are falling apart and need frequent replacement; divers say they have had to replace the soft rubber o-tings on their gear after dives in the Gulf.
Additionally, removable parts such as mixers and impellors coated with PVDF may be recoated if the coating begins to wear down.
Tenders are invited for Air Curtain Complete With Radial Flow Fan Impellors And Electrical Motor Size- 59 Inch Ehv Type Technical Perticular And Make As Per Annexure- I,Make-Avro,Rebusfix,Bajaj.
Tenders are invited for Procurement of 100(one hundred) sets single phase 1(one) hp paddle wheel aerator with 2(two) impellors fitted hdpe floats for fishponds during 2015-16.
Tenders are invited for Procurement of 60(sixty) sets single phase 1(one) hp paddle wheel aerator with 2(two) impellors fitted hdpe floats for fish ponds during 2014-15.
For instance, the pump impellors are subject to wear due to the high sand levels in the raw water.