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| Number | Title | Issue Date |
| 8181663 | Pressure relief device having support member with recessed areas An apertured rupture disc support member (32, 90) is provided for use in a rupture disc assembly (70). A rupture disc (30, 30a) comprising one or more embossed segments (80) that are complemental with the support member apertures (... | 05/22/2012 |
| 7878215 | Impulse actuated valve A valve for controlling flow of pressurized fluid from a confined area that is operable to relieve an overpressure condition as well as to allow flow of fluid in response to a pressure relief command. The valve including a valve body with a fluid passage therethroug... | 02/01/2011 |
| 7341435 | Fluid end A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number... | 03/11/2008 |
| 7234481 | Safety pressure relief device A safety pressure relief device comprises an annular flange portion (22), a concave/convex dome portion (24) and a transition portion (26) between the flange portion (22) and the dome portion (24), the transition portion (26... | 06/26/2007 |
| 7156257 | Compressed gas cylinder The present invention provides a compressed gas cylinder that is capable of storing a compressed fluid at high pressures. The cylinder of the present invention includes a body terminating in an inwardly domed cap. The dome included in the cap of the compressed gas c... | 01/02/2007 |
| 7032925 | Rupturable plate for inflator An inflator for an air bag, which inflates the air bag by a pressurized medium, has a rupturable plate that seals a pressurized portion of an inflator prior to an activation of the inflator. The rupturable plate is attached to the inflator by fixing a peripheral edg... | 04/25/2006 |
| 6349737 | Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection A support ring adapted to support a rupturable rupture disc member in a rupture disc assembly. The support ring includes an upper surface, a lower surface, a central aperture defined by an inner peripheral edge and at least one tear-initiating projection,... | 02/26/2002 |
| 6298869 | Reverse buckling, thermoformed, polymer rupture disk A thermoformed reverse buckling polymer rupture disk having an unsupported raised center portion including score lines cut in the polymer disk that creates a line of weakness to control the buckling pressure of the disk and forms a predetermined burst pat... | 10/09/2001 |
| 6240948 | Rupture disk assembly A rupture disk which is welded or brazed to a relatively massive or robust ring member integrally attached to the remainder of the body by an isolating member of reduced cross-sectional thickness. The upper part of the tubular body is attached by welding ... | 06/05/2001 |
| 6220269 | Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection In combination with a rupture disc assembly, there is provided an improvement by using a support ring having a projection and a continuous, generally clover leaf pattern cutting edge.... | 04/24/2001 |
| 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 |
| 6065485 | Two-way pressure relief assembly and method A two-way pressure relief assembly includes a disk having a peripheral flange for clamping the disk between inlet and outlet clamps in a passageway. The inlet side of the disk has a selected inlet relief pressure which will cause the flange and disk to pu... | 05/23/2000 |
| 6006938 | Enhanced reverse buckling rupture disc An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the c... | 12/28/1999 |
| 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 |
| 5934308 | Rupture disk apparatus and methods 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... | 08/10/1999 |
| 5467886 | Low burst pressure, multiple domed, scored rupture disc A multiple-domed, scored rupture disc (28) having a non-apertured disc body (62) provided with separate, side-by-side, semi-circular concavo-convex bulges (76) and an arcuate line of weakness (68) circumscribing the bulges is provided with a diametrical r... | 11/21/1995 |
| 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 |
| 5199454 | Valve structure A valve structure for connecting an oil tank to a ballast tank separated by a bulkhead includes a butterfly valve bolted to a short section of flanged pipe which is welded or bolted to the bulkhead separating the two tanks in combination with a rupturable... | 04/06/1993 |
| 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 |
| 5154202 | Low forward pressure burst-high backpressure resistant rupture disc A fluid pressure relief assembly for a system operating under an elevated pressure includes a support structure having means defining a bore therethrough of desired cross-sectional configuration, the support structure being provided with a shoulder extend... | 10/13/1992 |
| 5155471 | Low pressure burst disk sensor with weakened conductive strips An ultra low pressure flow sensor consisting of a support gasket defining a flow way and having a thin, pliable membrane extending thereacross with right angle slits formed totally across the flow way portion. An electrical conductor strip is then bonded ... | 10/13/1992 |
| 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 |
| 5080124 | Rupture disc pressure relief device A two-part concave-convex rupture disc for use in a safety pressure relief device comprises one part which is perforated with lines of small holes that introduce controlled weakness in the disc and the other part which acts as a seal. When the pressure in... | 01/14/1992 |
| 4905722 | Composite rupture disk assembly An improved composite rupture disk assembly adapted to be supported between inlet and outlet supporting members is provided. The assembly is comprised of a resilient sealing member and a rupture member having a plurality of elongated openigs formed therei... | 03/06/1990 |
| 4838447 | Pressure relief device with conical reverse buckling disc A safety pressure relief device having a rupture disc with a conical central portion. The relief device comprises inlet and outlet support members wherein the rupture disc is positioned therebetween. The rupture disc has an annular outer flange portion wi... | 06/13/1989 |
| 4830052 | Diaphragm safety device with upstream active bursting knife A safety device for limiting the pressure of a fluid to a predetermined value comprises a preshaped diaphragm having a downstream convex face and an upstream convex face mounted as a closing or sealing device in a pipe. A first knife faces the convex face... | 05/16/1989 |
| 4795051 | Rupturable fluid pressure relief apparatus and manufacturing method A rupturable fluid pressure relief apparatus and method of manufacturing such apparatus capable of rupturing in either the normal or reverse rupture modes at predetermined rupture pressures are provided. The apparatus is basically comprised of a circular ... | 01/03/1989 |
| 4771801 | Protective cover assembly with reverse buckling disc A protective cover assembly for a fluid end of a plunger-type pump or other positive displacement pump. The protective cover assembly includes a cover adapted to fit in an open end of the fluid end of the pump. The cover comprises a convex or domed center... | 09/20/1988 |
| 4759460 | Rupture disc system A rupture disc system comprises a ruptue 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 ruptur... | 07/26/1988 |
| 4682619 | Reverse-buckling rupture disk A reverse-buckling rupture disk assembly provides a cylindrical housing having a bore for conveying flow through the housing. Mounted within the housing is a frangible concave-convex disk which is connected along its peripheral edge to the housing so as t... | 07/28/1987 |
| 4669626 | 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... | 06/02/1987 |
| 4657157 | Pressure relief method and rupture disk assembly The present invention relates to a method and assembly for relieving positive and/or negative pressure differentials between first and second fluid pressure zones. The rupture disk assembly is comprised of a flexible sealing member, a retainer means posit... | 04/14/1987 |
| 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 |
| 4588101 | Safety vent for containers A safety vent for an internally pressurized fluid container is disclosed. The safety vent is provided in a wall of the container which is subject to outward deformation when the internal pressure of the container exceeds a predetermined level. The wall ha... | 05/13/1986 |
| 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 |
| 4580690 | Coinless pressure relief device A pressure relief device for an internally pressurized container. The device is imperforate, forms an integral part of the container surface, and has a concave annular outer area integrally joined to an inwardly protruding circular central area by an annu... | 04/08/1986 |
| 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 |
| 4463865 | Knife blade apparatus for severing rupture disks An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of the rupture disk in the assembly, the disk is severed by the knife blade apparatus. The apparatus includes an annular support member adapted to be... | 08/07/1984 |
| 4436218 | Reverse buckling bursting disc A reverse buckling disc having a central domed region, an outer flange and an integral transitional region interconnecting the flange and the domed central region wherein the included angle of the transitional region is greater than the included angle of ... | 03/13/1984 |
