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 ?
A refinement of the degassing process has been the rotary impellor.
Nonflams use a water-filled tank through which dust-laden air is drawn by an impellor fan.
Nonflam collectors are a highly effective dust removal system using a water-filled tank through which dust and residues are drawn by an impellor fan.
They can be specified with a wide range of mixing devices to suit the application; these include patented impellor designs, turbine, anchors, ribbons and twin movement options.
Tenders are invited for Supply and application of Corrocoat with Flu glide/ Belzona 1341 super metal glide on impellor , Bowl assembly and suction bell mouth of 1 No.
submersible pump equivalent to the 47 hp, 1750 rpm motor, flygt pump impellor size 0452, 3 phase, 460 volt, model 3201 and volute size 6".
Tenders are invited for Dismantling/repairing/ welding, machining of worn-out armature shaft, bearing housing, bearing retainers, commutator segments, impellor of exciter generator and its fitting / assembling and testing of be-4 (be-195) shovel working at bina project
Tenders are invited for Impellor Shaft For Modified Rttm Blower Dlw Part No 11239062 Alt E
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.