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2 234 990

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(51)

IPC

(21) (22)

Application

2002127490/03, 2002-10-14

(24)

Start date

2002-10-14

(22)

Actual filing date

2002-10-14

(45)

Published

2004-08-27

(72)

Inventor

Gataulin I.G.Garanin L.P.Bikbulatov R.S.Talalaev A.P.Kutsenko G.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Institut Polimernykh Materialov"

MACHINE FOR SIEVING OF DIFFICULT-TO-FLOW POWDERS Russian patent published in 2004 - IPC

Abstract RU 2234990 C2

FIELD: equipment for sieving of oxidizer for blended solid rocket fuel.

SUBSTANCE: machine has box with shell and sieve, drive with eccentric shaft and rubbing activator with spokes. Rubbing activator is loosely arranged on sieve with radial gap relative to shell. Spoke ends are equipped with springy compression members, whose length is determined from mathematical expression. Radial gap between activator spoke ends and box shell is 0.5-1.0 the eccentricity of shaft.

EFFECT: increased efficiency in sieving of powdered materials.

6 dwg

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RU 2 234 990 C2

Authors

Gataulin I.G.

Garanin L.P.

Bikbulatov R.S.

Talalaev A.P.

Kutsenko G.V.

Dates

2004-08-27—Published

2002-10-14—Filed