Connect-against-pressure coupling

Details Connect-against-pressure coupling Connect-against-pressure coupling

1987-11-09

1988-11-22

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

13761405, F16L 3728

Patent

active

047860294

ABSTRACT:
A coupling for use with pressurized systems permitting coupling of valved coupling parts even though one of the parts may be under high pressure. An axially reciprocal valve which automatically opens upon the coupling halves being connected is guided within a shell within the pressurized coupling half and a sealed relationship between the valve and shell minimizes the area of valve surfaces exposed to the pressurized medium reducing the axial forces imposed upon the valve toward the closed position. A bleed valve communicating with the valve interior permits valve operation with hydraulic systems in the event of seal leakage.

REFERENCES:
patent: 2665928 (1954-01-01), Omon et al.
patent: 2735696 (1956-02-01), Omon et al.
patent: 3215161 (1965-11-01), Goodwin et a.
patent: 3348575 (1967-10-01), Simak
patent: 3570543 (1971-03-01), Ekman
patent: 3613726 (1971-10-01), Torres
patent: 4502662 (1985-03-01), Maldavs et al.
patent: 4703774 (1987-11-01), Seehausen

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