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| Number | Title | Issue Date |
| 8001675 | Apparatus for manufacturing heat exchanger In a heat exchanger, a liquid resin is applied to an outer surface of the heat exchanger, and then surplus liquid resin is removed from the outer surface. In removing the surplus liquid resin, before air having a first velocity is directed to the heat exchanger for ... | 08/23/2011 |
| 7448127 | Tube expander for heat exchanger A tube expander for heat exchangers is capable of organizing an ideal production line where the transportation efficiency is increased and the productivity is improved by having a transportation path in a straight line through which the heat exchangers are carried i... | 11/11/2008 |
| 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 |
| 7328509 | Method of operating a weaving mechanism to insert a spacer between the tubes of a heat exchanger A weaving apparatus used to separate the tubes of a heat exchanger so that spacers that hold the tubes apart can be inserted between the tubes to increase thermal efficiency. The weaving apparatus includes a frame assembly and a weaving mechanism contained within th... | 02/12/2008 |
| 7322090 | Explosive tube removal device A explosive device is disclosed for collapsing an expansion-fit metal tube from within a hole of a metal plate of a boiler or the like. The device includes a connecting rod inserted into the tube and extending outwardly from top and bottom ends of the tube. The port... | 01/29/2008 |
| 7314065 | Irreversible plug assembly A plug assembly for a tube includes a tapered wedge and a sleeve. The sleeve fits over the wedge and is placed in a tube. Relative movement of the wedge and the sleeve causes the sleeve to expand and plug the tube. The exterior surface of the wedge and the interior ... | 01/01/2008 |
| 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 |
| 7228609 | Extractor To extract a bushing from a housing, a number of cylindrical engaging elements are inserted in the bore of the bushing. The elements are clipped together by clips and have a lip which bears on the bushing end surface. An extractor head pushes on the elements to forc... | 06/12/2007 |
| 7194800 | Internal tube extracting device with a cylindrical collapsing wedge The invention is related to a tube extracting device for removing a tube from a conventional drum of a boiler or heat exchanger. The device is positioned inside the drum. The device includes a hollow cylindrical wedge which cylindrically collapses a tube inwardly up... | 03/27/2007 |
| 7163121 | High temperature isostatic pressure bonding of hollow beryllium pressure vessels using a bonding flange A bond joint and process of bonding metal parts to one another to form seamless, hollow metal articles, particularly made from beryllium. Tooling is assembled to the parts, prior to hot pressing, to cause pressure to be applied to flanges that extend peripherally fr... | 01/16/2007 |
| 7147050 | Recuperator construction for a gas turbine engine A counter-flow recuperator formed from annular arrays of recuperator core segments. The recuperator core segments are formed from two opposing sheets of fin fold material coined to form a primary surface zone disposed between two flattened manifold zones. Each prima... | 12/12/2006 |
| 7140824 | Tensioning hydraulic nuts A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before the tension is applied). The ... | 11/28/2006 |
| 7117584 | Heat exchanger tube expanding apparatus A tube expanding apparatus includes mandrels, each mandrel having a billet on a leading end; a reciprocating actuator for supporting rear ends of the mandrels, the reciprocating actuator being supported to reciprocate in an axial direction of hairpin tube straight p... | 10/10/2006 |
| 7114256 | Cooling device and apparatus and method for making the same A cooling device (10) for heat dissipation for a heat-generating component includes a heat sink (14) and a heat pipe (13). The heat sink attached to the component includes a base (11) and a plurality of fins (12) extending from the... | 10/03/2006 |
| 7104168 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving po... | 09/12/2006 |
| 7100280 | Method for producing a heat exchanger The invention relates to a method for producing a plate heat exchanger from a plurality of heat exchanger blocks (1a, 1b). Each heat exchanger block (1a, 1b) has mounted on it a header (6a, 7 | 09/05/2006 |
| 7093360 | Method of removing boiler tubes Boiler tubes are removed from a boiler vessel without damaging the vessel by severing the boiler tube near the exterior periphery of the vessel, and using a piloted rotary cutting tool fixtured with respect to the longitudinal axis of the severed boiler tube to remo... | 08/22/2006 |
| 7065873 | Recuperator assembly and procedures A construction of recuperator core segments is provided which insures proper assembly of the components of the recuperator core segment, and of a plurality of recuperator core segments. Each recuperator core segment must be constructed so as to prevent nesting of fi... | 06/27/2006 |
| 7059222 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving po... | 06/13/2006 |
| 7043808 | Tool for installing blind threaded fasteners A tool for installing blind threaded inserts utilizes an expanding mandrel to engage the threads of the insert being installed. The expanding mandrel is an externally threaded assembly having a plurality of movable segments separated by axially-extending radial slot... | 05/16/2006 |
| 7040015 | Tube finning machine and method of use This invention relates to a tube finning machine (10), and in particular to a machine capable of fitting several fins (26) to one or more tubes (26) at the same time, the assembled finned tube being suitable for heat exchange applications. Accor... | 05/09/2006 |
| 7030486 | High density integrated circuit package architecture This invention relates to a high density architecture for an integrated circuit package (10) in which a plurality of circuit communication wafers (12) are disposed in a stack with a plurality of cooling plates (14) between them, and wherein circ... | 04/18/2006 |
| 7025536 | Tandem apparatus for bursting and replacing pipe A tandem rod or cable apparatus for bursting and replacing pipe, which includes a frame, two sets of oppositely-disposed hydraulic cylinders having piston rods, each of which pairs of piston rods are attached to a yoke, with a gripping element provided in each yoke ... | 04/11/2006 |
| 7024757 | Device and method for positioning flexible tubes into a core and articles made therefrom This invention relates to fabrication of tube bank style heat exchangers and similar assemblies. It provides a novel device and a method for presenting and feeding multiple relatively flexible tubes in a predetermined spaced apart manner, and subsequently threading ... | 04/11/2006 |
| 6978527 | Fuel injector removal tool Provided is a fuel injector remover for removing a fuel injector from a cylinder head wherein the fuel injector is located within a counterbore of the cylinder head. The remover includes a primer mover having a piston defining a central bore. A snout portion is atta... | 12/27/2005 |
| 6976301 | Finned tube with vortex generators for a heat exchanger A system for and method of manufacturing a finned tube for a heat exchanger is disclosed herein. A continuous fin strip is provided with at one pair of vortex generators. A tube is rotated and linearly displaced while the continuous fin strip with vortex generators ... | 12/20/2005 |
| 6923020 | Evaporator core with a separable tube and a fin for a vehicle An evaporator core includes a separable housing and a fin assembly. The housing is installed in such a manner that both sides of the housing are open, and a guide rail is installed on an upper surface and a bottom surface of the interior of the housing. A tank is in... | 08/02/2005 |
| 6860011 | Method for attaching an air duct to a recuperator core A method of attaching an air duct to a recuperator core may include welding a pair of butterpasses along a length of each of a plurality of core portions, connecting the plurality of core portions to one another to form the recuperator core and a pair of butterpasse... | 03/01/2005 |
| 6792672 | Heat sink manufacturing apparatus A heat sink apparatus includes a working machine having a power arm for driving a knife set forwards and backwards and has a follower axle with a cam having a sensor for sensing the rotation of the cam; a material feeding mechanism on the top surface thereof include... | 09/21/2004 |
| 6782605 | Accumulator forming installation An installation for manufacturing accumulators employs a plurality of pallets for supporting the accumulators, a loading station (3), an unloading station (4), a power supply (5), and an electrolyte feeder (6). A casing (7) with pr... | 08/31/2004 |
| 6745459 | Heat exchanging tube assembling apparatus for heat exchanger and assembling method thereof A heat exchanging tube assembling apparatus is adapted to a heat exchanger having an outer casing in which is arranged a partition plate formed with holes through which heat exchanging tubes, each having a U-shape in outer appearance, are inserted from an open end s... | 06/08/2004 |
| 6732425 | Heat exchanger sleeve end expander apparatus An apparatus is disclosed for expanding the ends of a sleeve that has previously been installed into a defective section of inaccessibly located soft metal heat exchanger tubing. The sleeve ends are expanded using an apparatus of a plastic bladder connected to a ser... | 05/11/2004 |
| 6715202 | Tube bender for forming serpentine heat exchangers from spine fin tubing An apparatus and method of forming serpentine heat exchanger coils from spine fin tubing involves applying spine fins to a tube while simultaneously forming the tube into a serpentine shape. The bending and fin wrapping occurs while a feed roll continues paying out ... | 04/06/2004 |
| 6701609 | Apparatus for tack welding a recuperator cell An apparatus for manufacturing a cell of a recuperator wherein the cell includes a plurality of primary surface sheets, a plurality of spacer bars and a pair of guide vanes. A fixture has a top portion and a bottom portion. The top portion is pivotably mo... | 03/09/2004 |
| 6687979 | System for manufacturing a circular primary surface recuperator A system is disclosed to manufacture a recuperator core. The core is made up of a plurality of cells and an inner sealing member. A manufacturing system has an input end, an assembly station having a lower or inner chucking portion and an upper portion, a... | 02/10/2004 |
| 6668446 | Recuperator duct assembly line An assembly line for economically and efficiently assembling a core into a recuperator. The assembly line has an inlet end, an assembly station, a welding station, a control station and an outlet end. The inlet end has a plurality of the cores to be used ... | 12/30/2003 |
| 6598295 | Plate-fin and tube heat exchanger with a dog-bone and serpentine tube insertion method A dog-bone type heat exchanger having a plurality of fin members for dissipating heat. Each of the plurality of fin members includes a pair of offset surfaces interconnected by a sloped interconnecting surface. The plurality of fins members may be spaced ... | 07/29/2003 |
| 6581273 | Heat exchanger tube weaving apparatus and method A weaving apparatus used to separate the tubes of a heat exchanger so that spacers that hold the tubes apart can be inserted between the tubes to increase thermal efficiency. The weaving apparatus includes a frame assembly and a weaving mechanism containe... | 06/24/2003 |
| 6560977 | Vehicle HVAC evaporator temperature probe assembly method An HVAC evaporator core temperature probe apparatus and assembly method in which the temperature probe has a seal member mounted intermediate opposed ends. First and second apertures are formed in the HVAC housing, one adjacent the mounted position of the... | 05/13/2003 |
| 6539614 | Apparatus for producing high efficiency heat sinks A method for producing a heat sink includes extruding a first material in a second material, and cut into a billet. The second material is removed from the billet to produce a base and a plurality of fins. The second material is removed from the billet by... | 04/01/2003 |
