Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1994-05-24
1995-11-21
Nilson, Robert G.
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
13761403, 13763015, 251334, 251368, F16L 3728
Patent
active
054679648
ABSTRACT:
A quick coupling component including at least one valve member. A pressure reduction channel is provided in at least one valve member. A pressure reduction member is arranged in the pressure reduction channel. The pressure reduction member includes a shut-off element arranged in the pressure reduction channel. A seat includes a seat surface, wherein in a closed position a first portion of the shut-off element surface bears against the seat surface. The seat surface substantially corresponds to the shut-off element first surface portion. The seat surface includes a degree of fineness substantially corresponding to a degree of fineness of the shut-off element. At least one of the seat and the shut-off element is formed of a material having a hardness substantially exceeded by a hardness of another of the seat and the shut-off element. At least one of the seat and shut-off element is formed of a material having an elasticity contributing to a function sealing of the shut-off element against the seat in the closed position. A force transmission member maintains the shut-off element in a closed position. The force transmission member includes a surface designed to contact the shut-off element along a second portion of the surface of the shut-off element. An activation member separates the shut-off element from the seat surface into the open position counter to an action of the force transmission member.
REFERENCES:
patent: 4564042 (1986-01-01), Ekman
patent: 4709725 (1987-12-01), Morrison
patent: 4722359 (1988-02-01), Hani
patent: 4896697 (1990-01-01), Stromdahl
patent: 5107890 (1992-04-01), Gute
patent: 5159955 (1992-11-01), Ekman
patent: 5215122 (1993-06-01), Rogers et al.
Patent Abstracts of Japan, vol. 14, No. 404 (M-1018) Jun. 14, 1990, 2-154875, Electric Power Dev Co Ltd.
Dart Engineering AG
Nilson Robert G.
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