METHOD OF REGULATION OF PIPE LINE PASSAGE AREA Russian patent published in 1994 - IPC

Abstract RU 2025630 C1

FIELD: mechanical engineering. SUBSTANCE: method of regulation of the pipe line passage area consists in outside pinching of flexible portion of the pipe line located vertically with the compressed air whose pressure exceeds that inside the pipe line, maintenance of the external pressure of the compressed air at constant level and regulation through creating rarefaction inside flexible portion of the pipe line. EFFECT: enhanced reliability. 2 dwg

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RU 2 025 630 C1

Authors

Donat E.V.

Goloburdin A.I.

Dates

1994-12-30—Published

1991-10-08—Filed