DIRTY GAS DISPLACING FAN Russian patent published in 1998 - IPC

Abstract RU 2122655 C1

FIELD: ventilating facilities for dust-laden and abrasive-particles contaminated media. SUBSTANCE: when impeller is rotating, its blades inclined through optimal angle carry away dust particles to conical surface; adequately chosen cone angles reduce erosion of root section of blades and produce turbulent stream which reduces friction between particles and fan surfaces. EFFECT: reduced erosion and improved service life of fan. 3 dwg

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RU 2 122 655 C1

Authors

Balkind O.Ja.

Vaksman V.Z.

Gedymin V.A.

Karadzhi V.G.

Uzbekov I.I.

Dates

1998-11-27—Published

1996-02-28—Filed