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Application

97120958/06, 1997-11-26

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Start date

1997-11-26

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Actual filing date

1997-11-26

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Published

2000-07-10

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Inventor

Strelkov N.G.Nagajtsev V.F.Nagajtsev P.V.Luk'Janova E.A.

(73)

Holder

Munitsipal'Noe Predprijatie

CENTRIFUGAL PUMP TO TRANSFER AND MILLING OF CONSTRUCTION MATERIALS Russian patent published in 2000 - IPC

Abstract RU 2152540 C1

FIELD: construction industry, preparation and transfer of finely dispersed grouting of construction materials. SUBSTANCE: centrifugal pump has body housing impeller with blades. Grooves used for compression and rarefaction of peripheral zone of flow of transferred material are made in body opposite to face surfaces of blades. Profile of grooves in internal surface of body is homothetic to profile of face surface of blades of impeller. Number of grooves corresponds to number of blades of impeller. EFFECT: increased technological capabilities of pump when transferring construction materials thanks to purposeful selection of dimensions of dispersed particles of milling. 3 dwg

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RU 2 152 540 C1

Authors

Strelkov N.G.

Nagajtsev V.F.

Nagajtsev P.V.

Luk'Janova E.A.

Dates

2000-07-10—Published

1997-11-26—Filed

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