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2 133 134

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IPC

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Application

98104239/25, 1998-02-20

(22)

Actual filing date

1998-02-20

(45)

Published

1999-07-20

(72)

Inventor

Kovalev S.V.Grishchenko N.V.Kovalev V.E.Kolmykov V.I.

(73)

Holder

Kurskaja Gosudarstvennaja Sel'Skokhozjajstvennaja Akademija Im. Prof. I.I.Ivanova

DEVICE FOR REMOVAL OF SLUDGE FROM FILTER CASING Russian patent published in 1999 - IPC

Abstract RU 2133134 C1

FIELD: devices used in filters for purification of liquids. SUBSTANCE: device has inclined filtering cylinder located inside filter. End of filtering cylinder has locking cone, and lower part of filtering cylinder has suction holes. Located inside cylinder is piston with safety and suction valves and spring-loaded disk with conical holes. Disk is located between piston and cone. EFFECT: excluded preliminary settling of liquid from process and higher filtering efficiency. 3 dwg

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RU 2 133 134 C1

Authors

Kovalev S.V.

Grishchenko N.V.

Kovalev V.E.

Kolmykov V.I.

Dates

1999-07-20—Published

1998-02-20—Filed

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