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Patent Searching and Data


Title:
PULSATING CURRENT ATTENUATOR FOR PIPELINE
Document Type and Number:
Japanese Patent JPS55149491
Kind Code:
A
Abstract:
The invention relates to a pressure pulse dampener device to be used in association with a liquid conduit, said device comprising a pressure vessel having a movable partition therein defining two chambers, each having a port in communication therewith, one of the ports defining a gas port for charging of one of said chambers with gas under pressure and the other, a liquid port, said liquid port having a hollow fitting rigidly secured thereto, said fitting having an inlet port and an outlet port, the fitting having means therein defining a tortuous path for oil under pressure from said inlet port to said outlet port, the liquid port being valve controlled and being in communication with the tortuous path, the device being characterized by incorporating therein in the fluid conduit downstream of the outlet port, a valve controlled outlet through which the liquid may flow, the effective cross sectional area of the outlet being varied automatically responsive to the pressure in the hydraulic system.

Inventors:
HIYUU CHIYUN
Application Number:
JP6120780A
Publication Date:
November 20, 1980
Filing Date:
May 08, 1980
Export Citation:
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Assignee:
GREER HYDRAULICS INC
International Classes:
F16L55/04; F16L55/053; (IPC1-7): F16L55/04; F17D1/20