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2 099 605

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C1

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IPC

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Application

96110394/06, 1996-05-23

(22)

Actual filing date

1996-05-23

(45)

Published

1997-12-20

(72)

Inventor

Botkachik Iosif Azar'EvichZrojchikov Nikolaj AlekseevichSolomakhova Tat'Jana StepanovnaShcherbatykh Galina Semenovna

(73)

Holder

Botkachik Iosif Azar'EvichZrojchikov Nikolaj AlekseevichSolomakhova Tat'Jana StepanovnaShcherbatykh Galina Semenovna

CENTRIFUGAL FAN Russian patent published in 1997 - IPC

Abstract RU 2099605 C1

FIELD: mechanical engineering; fans with S-shaped blades. SUBSTANCE: optimum values of main geometric parameters of fan blading are determined. Fan blading consists of inlet branch pipe 1, volute casing 2 and impeller 3 with conical or flat front disk 4 and S-shaped blades installed in casing. Convex surface of output part of each blade is pointed to side opposite to direction of rotation. Bladeless diffusion 5 can be installed at wheel blading output. EFFECT: enlarged operating capabilities. 2 cl, 7 dwg

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RU 2 099 605 C1

Authors

Botkachik Iosif Azar'Evich

Zrojchikov Nikolaj Alekseevich

Solomakhova Tat'Jana Stepanovna

Shcherbatykh Galina Semenovna

Dates

1997-12-20—Published

1996-05-23—Filed

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