PLUNGER PUMP Russian patent published in 1997 - IPC

Abstract RU 2093706 C1

FIELD: mechanical engineering; pumps. SUBSTANCE: screw working channels are made eccentrically on outer surface of plunger pump. Cross section areas of channels form series closed spaces. EFFECT: enlarged operating capabilities. 2 cl, 3 dwg

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RU 2 093 706 C1

Authors

Negrebetskij V.P.

Nikolaev G.A.

Reshetov B.S.

Dates

1997-10-20—Published

1995-04-12—Filed