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(19)

(11)

2 493 439

(13)

(51)

IPC

F04D29/66(2006-01-01)

F04D29/44(2006-01-01)

F04D29/22(2006-01-01)

(21) (22)

Application

2012105557/06, 2012-02-17

(24)

Start date

2012-02-17

(22)

Actual filing date

2012-02-17

(45)

Published

2013-09-20

(72)

Inventor

Samsonov Aleksej AndreevichVoevodin Nikolaj NikolaevichSamsonov Andrej Jakovlevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Delovoj Tsentr

CENTRIFUGAL PUMP Russian patent published in 2013 - IPC F04D29/66 F04D29/44 F04D29/22

Abstract RU 2493439 C1

FIELD: engines and pumps.

SUBSTANCE: centrifugal pump comprises a body with an inlet nozzle changing into the central part of the body. The central part of the body changes into a discharge nozzle. In the central part of the body there is an impeller of tunnel type. On the front circular disc of the wheel there are circular channels. On the inner wall of the central part of the body upstream the inlet to the discharge nozzle there is a step. On the inner side of the body cover installed at the side of the inlet nozzle there are circular collars.

EFFECT: increased efficiency factor and maximum permissible speed of rotation and reduced head resistance to rotation and noise level.

3 dwg

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RU 2 493 439 C1

Authors

Samsonov Aleksej Andreevich

Voevodin Nikolaj Nikolaevich

Samsonov Andrej Jakovlevich

Dates

2013-09-20—Published

2012-02-17—Filed