System for limiting rate of pressure rise in pipeline during hyd

Details System for limiting rate of pressure rise in pipeline during hyd System for limiting rate of pressure rise in pipeline during hyd

1976-07-12

1980-01-08

Cohen, Irwin C.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137207, 137568, G05D 1102

Patent

active

041823583

ABSTRACT:
The system for limiting the rate of pressure rise in a pipeline during a hydraulic impact comprises a jet valve installed in the pipeline, an additional outlet of said valve being connected with a non-pressure dump tank via an actuator, and a pressuretight pneumatic compensator connected with the jet valve and, via a pressure transmitter, with a rate of pressure rise signal indicator whose outlet is connected with the membrane drive of the actuator.

REFERENCES:
patent: 1937149 (1933-11-01), Holveck
patent: 3002521 (1961-10-01), Greenlees et al.
patent: 3050079 (1962-08-01), Tognella
patent: 3114414 (1963-12-01), Judd
patent: 3272470 (1966-09-01), Bryant
patent: 3347256 (1967-10-01), Massey et al.
patent: 3911941 (1975-10-01), Gerbic et al.

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