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| Number | Title | Issue Date |
| 7721680 | Link type seismic tie for boilers A link-type seismic tie is provided between a steel structural support and a buckstay, and includes two horizontally arranged, parallel, and spaced apart link members, which are connected at their ends to large vertical pins. Each of the link members includes two ho... | 05/25/2010 |
| 7487745 | Boiler tube position retainer assembly The tube assembly device of the present invention maintains spacing for proper heat transfer and avoids tubing wall removal should weld failure occur, thereby decreasing leakage of boiler tubes, shut down time and unscheduled down time for inspections and repairs. P... | 02/10/2009 |
| 7464671 | Heat exchanger framework A structural framework for supporting the heat exchanger of a steam generator, the former being comprised of serpentine tubes having sloped segments to facilitate the drainage of water from the heat exchanger when the steam generator is shutdown. The structural fram... | 12/16/2008 |
| 7357100 | Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same A necessary size and number of modules each obtained by housing a member including heat exchanger tube panels each comprising a heat exchanger tube bundle and headers for the heat exchanger tube bundle, an upper casing of an exhaust heat recovery boiler (HRSG), prov... | 04/15/2008 |
| 7325594 | Heat exchanger A heat exchanger having at least one heat exchanger block (1) and an insulating vessel which surrounds the heat exchanger, is provided with plates and joints for securing the heat exchanger block (1) suspended in the insulation vessel. In addition, the... | 02/05/2008 |
| 7314343 | Miniature manipulator for servicing the interior of nuclear steam generator tubes A manipulator for servicing tubes extending through a tube sheet having three major components: a base member, a block member, and a foot member. The base member has a holder for supporting tooling or inspection devices. The base member also has at least one gripper... | 01/01/2008 |
| 7275503 | Heat transfer tube panel module and method of constructing exhaust heat recovery boiler using the module A method of constructing an exhaust heat recovery boiler. A required number of heat transfer tube group panel modules (20) are produced in an appropriate size according to design specifications of HRSG, where the heat transfer tube group panel modules (20 | 10/02/2007 |
| 7267164 | Anti-vibration tube support A tube support device for a plurality of elongated members is disclosed. The support device includes an elongated longitudinally extending strip having a pair of opposing faces. The strip includes a plurality of engaging members extending from the pair of opposing f... | 09/11/2007 |
| 7240640 | Tower boiler including a stationary supporting structure A boiler plant, including a combustion section, a heat exchange section including heat exchange surfaces, arranged above the combustion section and having a flow direction from the bottom upwards, and a stationary supporting structure. The combustion section and the... | 07/10/2007 |
| 7182045 | Split ring casting for boiler tubes with protective shields A series of upright boiler tubes periodically exposed to the abrasive action of a stream of blowing fluid cleaning medium. Vertically spaced shields mounted on the boiler tubes for protection from the fluid cleaning medium. A split ring casting located between the p... | 02/27/2007 |
| 7143821 | Apparatus for cooling metal tubes A cooler for one or a plurality of metal tubes with a cooler housing having intake vents, a powered turbine, at least one exhaust holes and metal tube supports. The one or a plurality of metal tubes received by metal tube supports and positioned to receive coolant f... | 12/05/2006 |
| 7073451 | Furnace wall structure A furnace wall comprises: a furnace wall bottom part composed of furnace wall tubes having upward-spiraled fluid passages; a nose part which has nose wall tubes disposed in a middle part of a furnace rear wall adjoining the furnace wall bottom part; and a screen par... | 07/11/2006 |
| 7063355 | Mount structure for fuel tank A fuel tank mount structure (24), to be placed in a lower area of a floor formed in a vehicle body, is provided including a rear suspension member (13) disposed rearward of the fuel tank and having a front edge portion formed with a front suspension cr... | 06/20/2006 |
| 7060164 | Double-fired processing furnace The present invention concerns a processing furnace used by the oil industry to heat feedstocks that are to be treated thermally, which is provided with bi-pivotal support columns to carry the radiation exchange tubes which form the coil of radiation exchange tubes.... | 06/13/2006 |
| 7043921 | Tube cooled combustor An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape that conforms to the contour of the liner as the tube extends from one end of the combustor to the other to... | 05/16/2006 |
| 7028765 | Heat exchanger tube support A tube support device is presented. The present invention includes at least two first plates and at least two second plates each having a plurality of slots mutually arranged and aligned so as to allow four or more plates to interlock and form a grid of depth-wise p... | 04/18/2006 |
| 6997141 | Anti-vibration support for steam generator heat transfer tubes and method for making same A tube support structure for heat transfer tubes in a steam generator has a plurality of tube support bars which are installed between the heat transfer tubes. At least one of the support bars has a first metal layer and a second metal layer. The first metal layer i... | 02/14/2006 |
| 6993254 | Manifold and heater A manifold for supplying hot water to a heater such as a towel holder has a tubular outer body for mounting in a generally vertical disposition. The upper end of the outer body is closed off and an inner tube is mounted within the outer body, to communicate therewit... | 01/31/2006 |
| 6971169 | Heat-resistant assembly for protecting boiler tubes and method of assembling same This invention concerns a heat-resistant assembly having a heat-resistant block conformed to the contours of boiler tubes and the surface of their connecting rib. The heat-resistant assembly has an arm which protrudes from the surface of the rib toward the heat-resi... | 12/06/2005 |
| 6914955 | Heat exchanger tube support structure A support plate for retaining tube array spacing within a heat exchanger tube and shell structure. The support plate having a plurality of individual tube receiving apertures formed therein. Each aperture has at least three inwardly protruding members and bights are... | 07/05/2005 |
| 6810101 | Heat exchanger tube support structure A support plate for retaining tube array spacing within a heat exchanger tube and shell structure. The support plate having a plurality of individual tube receiving aperture formed therein. Each apertures has at least three inwardly protruding members and bights are... | 10/26/2004 |
| 6672260 | Steam generator tube support plates with slotted disc springs An improved support for a tube bundle of a nuclear steam generator has a pair of plates separated by spacers and holding slotted disc springs used to mount tubes through tube holes of the pair of plates. The slotted disc springs deform upon installation a... | 01/06/2004 |
| 6651596 | Continous flow steam generator having a double-flue construction A continuous flow steam generator with a double-flue construction has a vertical gas flue with an ascending conduction of fuel gas. The combustion chamber rear wall is inclined inwards and towards the combustion chamber in an upper part region and thereby... | 11/25/2003 |
| 6520123 | Expansion cage An open-webbed cage support device providing support that enabling a mechanical device such as a thermal expansion tank to be suspended or mounted adjacent to the thermal water heating device without the need to improvise a "made in the field" support str... | 02/18/2003 |
| 6498827 | Heat exchanger tube support structure A support plate for retaining tube array spacing within a heat exchanger tube and shell structure. The support plate having a plurality of individual tube receiving apertures formed therein. Each apertures has at least three inwardly protruding members an... | 12/24/2002 |
| 6467439 | Steam generator tube support grid array An array grid includes a plurality of interlocking elongate strips. The strips are structured and configured to provide sufficient lateral support for steam generator tubing while minimizing the risk of attack by stress corrosion cracking to the steam gen... | 10/22/2002 |
| 6431261 | Shell and tube type heat exchanger The temperature distribution in a shell and tube type heat exchanger having an expansion joint is uniformized by improving the circulation efficiency of fluid in the shell side. The uniformization is attained by the heat exchanger having an invasion-preve... | 08/13/2002 |
| 6401803 | Stake for tube bundle A cradle stake (28) for being inserted transversely into a lane (20) between first and second rows (16) of tubes (14) in a tube bundle (10), for damping movement of the tubes in the bundle, includes first and second elongated metal strips (30, 32), which ... | 06/11/2002 |
| 6367430 | Scalloped lattice bar nuclear steam generator tube supports A lattice high bar for a nuclear steam generator tube support bar array has scalloped indentations along its length. The scalloped indentations are located at points on the high bar where water tubes will contact the high bar. The indentations extend from... | 04/09/2002 |
| 6357513 | Support for heat exchanger tubes A novel individual support for a heat exchanger is disclosed which frictionally engages the outer surface of a tube-and-fin assembly and provides for interlocking of the supports. The novel support includes an alignment probe to facilitate installation an... | 03/19/2002 |
| 6321691 | Oxidation resistant low alloy attachments for boiler components A boiler attachment used to support a boiler component within the furnace or boiler chamber is composed of a similar material to the boiler component it is welded to, in order to eliminate the dissimilar weld failure. The boiler attachment is coated using... | 11/27/2001 |
| 6305330 | Circulating fluidized bed combustion system including a heat exchange chamber between a separating section and a furnace section A top-supported circulating fluidized bed boiler system includes a furnace, having sidewalls of a tube wall construction, for combusting fuel and producing combustion products, a particle separator, connected to the furnace, for separating particles from ... | 10/23/2001 |
| 6244330 | Anti-vibration ties for tube bundles and related method A method of reducing vibration in a bank of tubes due to fluid crossflow, the tubes having substantially parallel longitudinal axes. The method includes the steps of selecting a plurality of tubes from the bank of tubes and interconnecting the selected tu... | 06/12/2001 |
| 6186221 | Heat recovery assembly A combined cycle system has a gas turbine for generating an exhaust gas stream and a heat recovery steam generator with a housing for defining a horizontal exhaust gas flow path for the exhaust gas stream. Positioned within the housing is a heat recovery ... | 02/13/2001 |
| 6178926 | Double-fired horizontal tube heater A heater includes a radiant section having a wall and a roof, the roof having a longitudinal opening. A radiant heat exchange tube is disposed in the radiant section, and the tube has an inlet and outlet through which a process fluid can be carried respec... | 01/30/2001 |
| 6173927 | Device for suspending a horizontal heat-exchanger tube from a vertical supporting tube A device which suspends a horizontal heat-exchanger tube from a vertical supporting tube, including a flat section member adapted to be welded to an outside wall of the vertical supporting tube and parallel to an axis thereof, the flat section member bein... | 01/16/2001 |
| 6058893 | Buckstay corner assembly with buckstay extension plates for a boiler A buckstay system of an associated furnace having a combustion cavity with a front waterwall, a rear waterwall, and opposed left and right side waterwalls joining the front and rear waterwalls and where the waterwalls are arranged in a generally square pa... | 05/09/2000 |
| 6047929 | Radiant tube supporting apparatus The present invention provides a radiant tube supporting apparatus for a radiant tube arranged as a radiant heat source in a heat treatment furnace. The radiant tube is inserted through a furnace wall on one side having a supporting member attached to a b... | 04/11/2000 |
| 6039008 | Steam generator having an improved structural support system There is provided a circulating fluidized bed steam generator (CFB) having an improved structural support system and an improved combined hot solids-gas separator for separating gas and solids from a combined gas-solids stream. The combined hot solids-gas... | 03/21/2000 |
| 6012401 | Water pipe protecting refractory structure A heat-resistant assembly to shield boiler tubes which does not entail a thick heat-resistant block. This structure would be interposed between the boiler tubes and the combustion gases. Such a structure would be distinguished by the fact that it comprise... | 01/11/2000 |
