VALVE Russian patent published in 1999 - IPC

Abstract RU 2131075 C1

FIELD: manufacture of fittings. SUBSTANCE: valve includes body, stirrup, shutting member with rod. Spindle is linked to stirrup by means of thread. Rod is joined to spindle with the use of clutch made in the form of hydraulic cylinder. Pistons put into hydraulic cylinder are manufactured on rod and spindle. Pistons are sealed with reference to inner walls of hydraulic cylinder. Lubricant fills space of cylinder between pistons. EFFECT: simplified design and prolonged operational life of valve. 3 cl, 4 dwg

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RU 2 131 075 C1

Authors

Kurshin A.P.

Kanishchev B.Eh.

Lavrenkin Ju.A.

Dates

1999-05-27—Published

1992-05-19—Filed