Pressure-loaded cylinder valve insert

Details Pressure-loaded cylinder valve insert Pressure-loaded cylinder valve insert

1991-11-05

1994-07-19

Schwadron, Martin P.

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

251368, 13761403, F16L 3728

Patent

active

053301552

ABSTRACT:
A valve insert (40) is adapted to be removably mounted as a unit on a cylinder valve (41) to selectively enable a flow of fluid therethrough when a male coupling section (52) is inserted into the outlet of the cylinder valve. The improved insert includes a tubular body (55), a valve member (58) mounted for sealed sliding movement relative to the body, biasing means (97) and a docking member (59) mounted on the valve element and adapted to engage the nose of the male section. When the male section engages the insert and displaces a sealing cushion (80) off its seat (72), the pressure of fluid will urge the valve element (58) into tighter sealed engagement with the male section.

REFERENCES:
patent: 2756075 (1956-07-01), Rayner, Jr.
patent: 2770474 (1956-11-01), Krapp
patent: 4070003 (1978-01-01), Shames et al.
patent: 4476892 (1984-10-01), Boyce
patent: 4632146 (1986-12-01), Looney
patent: 4638975 (1987-01-01), Iuchi et al.

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