Vent valve

Details Vent valve Vent valve

1996-05-16

1998-12-08

McMahon, Marguerite

Fluid handling

Destructible or deformable element controlled

Destructible element

F16K 1740

Patent

active

058456694

ABSTRACT:
A bleed valve design for a wireline pressure setting tool is disclosed. The chamber within the setting tool is vented through a bleed valve assembly which features a rupture disk secured over an opening with an O-ring seal. A piercing tool is used and in conjunction with the shape of the rupture disk creates a break in the rupture disk in a manner that will not reseal. Lateral passages are provided to direct the vented gases away from operating personnel. An alternative venting mechanism is provided by having a thin wall segment which can be penetrated by a piercing tool in the event the rupture disk assembly for any reason fails to allow venting of the setting tool.

REFERENCES:
patent: 2947315 (1960-08-01), Connell
patent: 2958545 (1960-11-01), Stelzer
patent: 3424181 (1969-01-01), Morse
patent: 3633596 (1972-01-01), Gerber
patent: 3989057 (1976-11-01), Muddiman
patent: 4079854 (1978-03-01), Shaw et al.
patent: 4286662 (1981-09-01), Page, Jr.
patent: 5495865 (1996-03-01), Wass et al.

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