Gas safety device

Details Gas safety device Gas safety device

2006-10-03

2006-10-03

Rivell, John (Department: 3753)

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

C137S460000, C137S513500, C137S539000, C137S540000

Reexamination Certificate

active

07114512

ABSTRACT:
A gas safety valve includes a main body having a longitudinal through-hole consisting of a first section, a second section, and a third section with different inner diameters. A ball and a restraining member are mounted in the first section. A spring is mounted in the second section, with an end of the spring protruding out of the second section for biasing the ball away from the second section. An outer sleeve is force-fitted in the third section of the main body. A hollow adjusting block is mounted in the outer sleeve and has an outer threading for threadedly engaging with an inner threading of the outer sleeve. The other end of the spring abuts against the adjusting block. Adjustment of a position of the hollow adjusting block in the outer sleeve changes a distance between the ball and the second section.

REFERENCES:
patent: 1151230 (1915-08-01), Wilson
patent: 1764181 (1930-06-01), Raetz et al.
patent: 2541282 (1951-02-01), Powers
patent: 2929399 (1960-03-01), Magowan, Jr.
patent: 4830046 (1989-05-01), Holt
patent: 5613518 (1997-03-01), Rakieski
patent: 5983928 (1999-11-01), Hsiao
patent: 6155285 (2000-12-01), Hsiao
patent: 6405751 (2002-06-01), Hsiao
patent: 2004/0244842 (2004-12-01), Clare, Jr.

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