Safety circuit breaker for pressurized-fluid handling installati

Details Safety circuit breaker for pressurized-fluid handling installati Safety circuit breaker for pressurized-fluid handling installati

1998-08-31

2000-04-18

Douglas, Steven O.

Fluid handling

Systems

Flow path with serial valves and/or closures

13761403, 13761406, 2511496, F16L 2900

Patent

active

060502983

ABSTRACT:
Safety circuit breaker for a pressurized fluid handling installation wherein the circuit breaker includes a male element and a female element which are adapted to be connected axially with respect to one another such that, when assembled, the male element is connected to a sleeve mounted within the female element. Movement of the male element to a position of unlocking relative to the female element causes the internal sleeve to move from a first position to a second position wherein at least one orifice within the female element is blocked to prevent fluid flow therethrough. The at least one orifice is directed radially relative to the axis of the male and female element such that pressure against the sleeve is radial and not axial. A locking of the male element relative to the female element is created by balls which are carried by a slide which is elastically urged so as to force the balls into a groove in the male element.

REFERENCES:
patent: 2279146 (1942-04-01), Schneller
patent: 2919935 (1960-01-01), Nyberg
patent: 3715099 (1973-02-01), Shendure
patent: 4398561 (1983-08-01), Maldavs
patent: 4664148 (1987-05-01), Magnuson
patent: 4674535 (1987-06-01), de Menibus
patent: 5044401 (1991-09-01), Giesler et al.
patent: 5709243 (1998-01-01), Wells et al.
patent: 5806564 (1998-09-01), Wilcox

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