Class 137/68.21 - Means for holding entire disc after rupture

Subclass of Class 137 - Fluid handling
Definition: Subject matter that has a specific means for preventing
No. of patents: 32
Last issue date: 05/31/2011

Number	Title	Issue Date
7950409	Rupture disc assembly that withstands much higher back pressures than actuation pressure An activation rupture disc unit is provided that is capable of withstanding a substantially higher back pressure than its burst activation pressure. The unit includes a tubular housing having a fluid passage. Tapered wall structure defines at least a portion of the ...	05/31/2011
7905244	Explosion pressure relief device This invention relates to an explosion pressure relief device with a wall and a framework fixing the wall. In the case of an explosion in a container to which an explosion pressure relief device is attached, such explosion pressure relief device serves to allow the ...	03/15/2011
7273068	Electric driven, integrated metering and shutoff valve for fluid flow control A fuel control valve (100) includes a rotary throttling valve assembly (4,7) providing one or more of the benefits of being lightweight, having a relatively low power consumption, having a fail-closed structure and/or zero leakage. The fuel control val...	09/25/2007
7066193	Poppet shear protection apparatus and system A springless shear protection device for use with a valve, the device comprising a poppet, the poppet including a bore. The poppet including first and second openings at distal ends of the poppet. A seat plug is disposed in the poppet bore, the seat plug is moveable...	06/27/2006
7051751	Burst disk assembly A burst disk assembly is configured for use in a pressurized gas system for venting pressurized gas from the system in the event that the gas exceeds a predetermined pressure. A plug has a tapered cylindrical shape with a minimum cross-section that is less than a bo...	05/30/2006
6959828	Non-fragmenting pressure relief apparatus A non-fragmenting pressure relief apparatus includes a rupture disc having a central bulged or flat section and a peripheral flange portion. Certain embodiments of the invention have a butterfly shaped element having two wing panels attached to the underside of a ru...	11/01/2005
6786507	Hybrid gas generator A hybrid gas generator comprises a chamber that contains pressurized fluid and that is sealed off by a rupturable membrane, and a pyrotechnical propellant charge that ruptures the membrane when it is ignited. The gas generator further comprises a nozzle wall that is...	09/07/2004
6192914	Rupture disk safety member The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened a...	02/27/2001
6178983	Rupture disk assembly An improved rupture disk assembly for a pressure relief system is disclosed. The rupture disk assembly is sealed between an inlet support member and an outlet support member, each of which define a central fluid pathway. A rupture disk that includes a fla...	01/30/2001
6142346	Cluster-type relief device The present invention is a relief device for a high-pressure gas container, comprising a main body having a generally uniform outer circumference that defines a bore. The bore is in fluid communication with an interior volume of the high-pressure gas cont...	11/07/2000
5996605	Rupture disk safety member The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened a...	12/07/1999
5865207	Releasing means A releasing device for rocket fuel lines, arranged between a tank outlet and a shutoff valve, which releases the flow path at a defined, tank-side overpressure, with a piston-like bursting element. A disk is provided with a predetermined breaking point an...	02/02/1999
5832947	Gas shut-off and pressure relief valve for a high pressure gas vessel A gas valve (10) includes a shut off valve mechanism (11) with a control stem having two annular grooves (54) that receive a deformed teflon sealing member (52) to seal the control stem against leakage. The gas valve (10) also includes a pressure relief v...	11/10/1998
5558114	Eccentric scored rupture disk assembly A rupture disk with an annular flange that permits the disk to be clamped in place in a pressure system between an outlet holder and an inlet holder. The rupture disk is characterized by an eccentric score line formed on its annular flange radially outwar...	09/24/1996
5413237	Nonfragmenting rupture disk assemblies and methods Nonfragmenting rupture disk assemblies and methods are provided. The assemblies basically comprise an inlet rupture disk supporting member for communicating fluid pressure to said rupture disk, an outlet rupture disk supporting member including a pressure...	05/09/1995
5368180	Perforated rupture disk assembly An improved pressure relieving rupture disk assembly is provided which includes a rupture disk having at least one perforation therein. The perforation at least partially defines a blow-out part in the rupture disk which opens and relieves pressure theret...	11/29/1994
5305775	Apparatus and method for preventing fragmentation of a rupture disk Apparatus for preventing fragmentation of a rupture disk during pressure relieving rupture and fluid flow through the ruptured disk includes a rupture control assembly for rupturing the disk into a petal having a body and a base for retaining the petal to...	04/26/1994
5267666	Multiple-dome, scored, rupture disc A multiple-dome, scored rupture disc presents opposing first and second disc faces, and is provided with a circular, central region and a flat annular flange surrounding the central region. An arcuate line of weakness is formed in the disc circumscribing ...	12/07/1993
5167337	Scored reverse buckling rupture disk assembly An improved scored reverse buckling rupture disk assembly is provided. The assembly includes a reverse buckling rupture disk having one or more scores on a surface thereof forming lines of weakness which define a blow-out portion connected by a hinge area...	12/01/1992
5082133	Low pressure rupture disk and assembly An improved low pressure reverse buckling rupture disk and assembly are provided. The rupture disk comprises a concave-convex reversible member having a thickness and a configuration such that said member reverses when a predetermined fluid pressure is ex...	01/21/1992
5005722	Fail safe rupture disk assembly The invention renders fail safe a rupture disk assembly consisting of inlet head, outlet head, and rupture disk secured therebetween, whenever the assembly is installed upside down. A fail safe relief notch is formed in the inlet head disk seating surface...	04/09/1991
4597505	Rupture disc with selectively positioned initial buckling A rupture disc system comprises a rupture disc including a dome portion and a flange portion interconnected by a transition region and a mounting mechanism for mounting the rupture disc by the flange portion thereof in a pressure relieving vent. The ruptu...	07/01/1986
4590957	Pressure relief device A bursting disc assembly comprises a generally tubular body provided with an external screw thread and, at one end of the body, a counterbore which forms an annular seat within the body to accommodate at least the peripheral regions of a preferably flat b...	05/27/1986
4580691	High flow pressure relief assembly A safety pressure relief assembly of the rupture disc type guards against pressure differentials, beyond a predetermined range in a vent system, and includes a relief disc perforated to permit reverse flow without rupture, a sealing disc positioned adjace...	04/08/1986
4570658	Pyrotechnic-actuated dual air valve A pyrotechnically actuated dual air valve is hermetically sealed on both et and both outlet ports of static and dynamic air ducts until the dual air valve is actuated by a squib charge. A single piston, when activated by the squib charge, concomitantly o...	02/18/1986
4505180	High reverse pressure resistant low forward burst pressure rupture disc assembly A rupture disc assembly is provided having the seemingly inconsistent properties of resisting relatively high burst pressures in one direction, while rupturing upon experiencing relatively low pressures in the opposed direction. The assembly includes a me...	03/19/1985
4479587	Two-way rupturable pressure relief apparatus A two-way rupturable pressure relief apparatus adapted to be clamped between a pair of connection members connecting first and second pressure zones is provided. The apparatus is comprised of a rupture member including a plurality of openings therein, a s...	10/30/1984
4404982	Rupturable pressure relief apparatus A rupturable pressure relief apparatus which is non-fragmenting and which is particularly suitable for liquid and low pressure gas service. The apparatus includes an annular rupture disk having an annular flange portion connected to a concave-convex porti...	09/20/1983
4399830	Safety pressure relief device assembly A safety pressure relief device including a pair of annular disc holders adapted to clamp between them a reverse buckling disc, one of the annular discs being located within the other disc and an arrester bar being disposed within the confines of the othe...	08/23/1983
4211334	Safety pressure relief apparatus The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an a...	07/08/1980
4207913	Low burst pressure corrosion resistant rupture disc assembly A non-fragmenting, low burst pressure rupture device assembly is provided for mounting between opposed flange members which define a relief orifice for a pressurized line or vessel. The assembly includes a relatively thin, flexible, fluid impervious seali...	06/17/1980
4158422	Safety pressure relief apparatus The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an a...	06/19/1979

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Class 137/68.21 - Means for holding entire disc after rupture