Hose rupture valve

Details Hose rupture valve Hose rupture valve

1990-01-16

1991-04-02

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375155, 137521, 1375276, F16K 1724

Patent

active

050040103

ABSTRACT:
An improved hose rupture valve is disclosed for preventing the excessive and dangerous flow of fluid through a high pressure hose when the hose is ruptured or the pneumatic or hydraulic tool at the end thereof is accidentally decoupled downstream of the valve. The valve comprises a housing containing a cylinder having a pivotally mounted vane. During normal operation, the vane is held in an open position by biasing means such as a spring. When the hose downstream of the valve is ruptured or accidentally decoupled from the pneumatic or hydraulic tool, the pressure within the cylinder suddenly decreases relative to the pressure within the housing and the vane pivots into a closed position to prevent the excessive flow of fluid through the outlet port of the valve.

REFERENCES:
patent: 580294 (1897-04-01), Stone
patent: 810746 (1906-01-01), Hadley
patent: 1039749 (1912-10-01), Ingram
patent: 1447102 (1923-02-01), Rae
patent: 2761469 (1956-09-01), Hansen
patent: 3144876 (1964-08-01), Frye
patent: 3380474 (1968-04-01), Mills
patent: 3756272 (1973-09-01), Hammond
patent: 3974857 (1976-08-01), Svensson

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