SUCKING VALVE OF DEEP-WELL PUMP Russian patent published in 2004 - IPC

Abstract RU 2237194 C1

FIELD: oil production.

SUBSTANCE: valve has housing, seat, and valving member. The valving member is made of a flexible ring shell composed of locking and sealing members. The locking member is made of a ring wedge whose tip points to the pump. The sealing ring is divided into spaced sectors and is made of a segment of sphere. The seat is made of cylindrical branch pipes with ports, the number of which is equal to the number of sectors of the sealing part.

EFFECT: enhanced reliability.

1 cl, 3 dwg

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RU 2 237 194 C1

Authors

Kozlov M.T.

Shushkov A.A.

Kotin A.P.

Jamaleev F.G.

Shushkov A.A.

Dates

2004-09-27—Published

2003-06-09—Filed