Hydraulic runaway control valve

Details Hydraulic runaway control valve Hydraulic runaway control valve

1974-06-17

1976-07-27

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

137464, F16K 1720

Patent

active

039714047

ABSTRACT:
Apparatus for controlling the flow of fluid in pressurized lines; and for closing a valve and stopping said flow whenever downstream pressure drops below a predetermined value, is disclosed. The apparatus comprises a manually-operated valve for starting fluid flow and a spring-biased sequencing valve for stopping fluid flow, with fluid channels connecting the manual valve with the sequencing valve.

REFERENCES:
patent: 820598 (1906-05-01), Petersen
patent: 1294151 (1919-02-01), Page
patent: 1406026 (1922-02-01), Jensenius
patent: 2017500 (1935-10-01), Hood
patent: 2756740 (1956-07-01), Deane
patent: 2765801 (1956-10-01), Selim
patent: 2851056 (1958-09-01), MacGlashan, Jr.
patent: 3038557 (1962-06-01), Callahan
patent: 3138174 (1964-06-01), Gilpin

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