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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8037595 | Hairpin expander machine for manufacturing tube and fin heat exchangers with reduced tube diameter An improved hairpin expander machine equipped with a closed-loop-controlled hydraulically positioned bolster plate and a heat exchanger-holding fixture characterized by a full-length, continuous front plate, back plate, and side rails. The hairpin expander includes ... | 10/18/2011 |
| 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 |
| 7146716 | External tube extraction 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 includes a wedge which is driven into a tube hole between the tube outer wall and the hole in the drum that the tube is in. Th... | 12/12/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6874230 | Method of manufacturing heat exchanger A method of manufacturing a heat exchanger includes processes of: arranging tubes at a predetermined pitch on a set base; inserting fins into spaces each defined between the tubes; compressing the tubes and the fins in the direction of arrangement thereof; mounting ... | 04/05/2005 |
| 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 |
| 6742243 | Component assembly system A component assembly system precisely aligns a plurality of components in a circumferential direction and assembles the components together. A plurality of guide channels extending radially from an axis are formed in a disc-shaped base member. A plurality of slide m... | 06/01/2004 |
| 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 |
| 6530144 | Apparatus for automatic assembling a heat exchanger An automatic assembling apparatus for inserting hair pins into holes formed on a heat exchanger including a plurality of flat plate fins and two side panel disposed both sides of said flat plate fins are provided. The apparatus includes a working station ... | 03/11/2003 |
| 6389682 | 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 an outer appearance, are inserted from... | 05/21/2002 |
| 6370749 | Heat pipe shaping device A heat pipe shaping device comprises a rectangular table, and each lateral surface of the table has a work station. The top plate of the table is elevated by a plurality of supporting rods at a periphery of the table. A vacuum manifold is connected to the... | 04/16/2002 |
| 6083145 | Device for handling an electric spindle of a high-speed machine tool A handling device for a cylindrical electric tool holder spindle. The device includes a handling cradle including a combination of a receptacle in which the electric spindle is placed, a gripping member for lifting the handling cradle and a fastening memb... | 07/04/2000 |
| 6003224 | Apparatus for assembling heat exchanger cores An apparatus for forming heat exchanger core assemblies having a plurality of generally elongate tubes seated in uniformly spaced openings in a pair of spaced parallel header members is disclosed. The apparatus includes a generally flat, horizontal suppor... | 12/21/1999 |
| 5752312 | Tube transfer device A tube transfer device which includes a tube conveyor for transporting processed tubes from an entry location to an exit location thereon. The tube conveyor includes a plurality of first tube holders thereon which are adapted to hold the processed tubes s... | 05/19/1998 |
| 5687473 | Apparatus and method for mounting a hairpin tube to a heat exchanger A method for mounting a hairpin tube to a heat exchanger body where a rod member is inserted into at least one of plural through holes defined in each of plural radiation fins stacked in the heat exchanger body. The rod member is further extended through ... | 11/18/1997 |
| 5680695 | Hairpin lacing apparatus An apparatus provides automatic lacing of hairpin tubes through the holes of a heat exchanger fin stack. This apparatus includes a plurality of identical extendable guide rods, each positioned in approximate alignment to engage an open end of a respective... | 10/28/1997 |
| 5632080 | Tube cutter/bender to lacer transfer station A tube transfer device which includes a tube conveyor for transporting processed tubes from an entry location to an exit location thereon. The tube conveyor includes a plurality of first tube holders thereon which are adapted to hold the processed tubes s... | 05/27/1997 |
| 5611877 | Jigs for manufacture of joined ceramic structure, and method for manufacturing joined ceramic structure by use of jigs Jigs usable in a method for manufacturing a joined ceramic structure having a plurality of tubes and perforated plates joined to both the end portions of these tubes which has the steps of inserting the tubes of sintered ceramics into through-holes of the... | 03/18/1997 |
| 5562153 | Heat exchanger and method of making heat exchangers The invention relates to heat exchangers and methods of manufacturing heat exchangers. The heat exchanger includes a pair of tanks, each of which includes a plurality of connection holes aligned in substantially parallel rows, and a plurality of heat tran... | 10/08/1996 |
| 5432994 | Tube expander with a means for transporting heat exchangers in tube expanding process A tube expander having a tube expander body, a reciprocable member to be reciprocated with its surface facing a tube to be expanded which is mounted in a heat exchanger unit, and a mandrel mounted on the reciprocable member so as to be inserted into the t... | 07/18/1995 |
| 5426847 | Assembling apparatus for a heat exchanger The present invention provides an assembling apparatus for a heat exchanger, which is capable of certainly coinciding ends of pipes with pipe holes of fins so as to easily insert the pipes into the pipe holes. In the apparatus, a send-in section sets the ... | 06/27/1995 |
| 5383271 | Heat exchanger bundle extractor assembly and method Apparatus for extracting a heat exchanger tube assembly from a heat exchanger shell includes an extractor frame, an extractor body moveable with respect to the frame, and powered extraction members for literally moving the extractor body with respect to t... | 01/24/1995 |
| 5323529 | Heat exchanger bundle extractor assembly and method Apparatus for extracting a heat exchanger tube assembly from a heat exchanger shell includes an extractor frame, an extractor body moveable with respect to the frame, and powered extraction members for literally moving the extractor body with respect to t... | 06/28/1994 |
| 5322410 | Tube bundle extractor A heat exchanger tube bundle extractor having an improved sled and motive means operable to move the tube bundle into or out of its shell. A fixed screw shaft is provided on the chassis, and a rotatable drive nut on the sled. The drive nut is threadedly r... | 06/21/1994 |
| 5228191 | Apparatus for making a barrel type fluid heat exchanger An apparatus for manufacturing a fluid flow cartridge for circulating a second fluid in heat transfer relationship with a first fluid includes first and second racks and a drive to reciprocate the first and second racks in relation to each other.... | 07/20/1993 |
| 5219150 | Fluid jack for a heat exchanger A heat exchanger has a duct with a tube assembly supported by a hanger that extends through an opening in the roof of the duct. A jack is provided to raise and lower the tube assembly during maintenance. The jack includes a base with an aperture therethro... | 06/15/1993 |
| 5203072 | Detachable crane- or boom-operated heat exchanger tube bundle extractor A heat exchanger tube bundle extractor capable of being used either suspended from a crane or while mounted onto a rigid extendible boom. The extractor features brackets for attaching of the extractor to cables suspended from a crane. The extractor can al... | 04/20/1993 |
| 5169281 | Detachable crane- or boom-operated heat exchanger tube bundle extractor A heat exchanger tube bundle extractor capable of being used either suspended from a crane or while mounted onto a rigid extendible boom. The extractor features brackets for attaching the extractor to cables suspended from a crane. The extractor can also ... | 12/08/1992 |
| 5088192 | Method of forming a shell and coil heat exchanger The heat exchanger is made up of a shell having a coaxial tubular outer and inner wall with end plates attached thereto to enclose a tubular shell cavity provided with an inlet and outlet for a first fluid. Within the shell cavity is a spiral coil of tubi... | 02/18/1992 |
| 5032054 | Aerial bundle puller An aerial tube bundle puller for extracting a tube bundle from a heat exchanger is provided, comprising a cradle supporting a carriage frame and a power source, a sled, attachable to a tube bundle, with a hydraulic powered screw drive to propel the sled o... | 07/16/1991 |
| 4869638 | Aerial bundle puller An aerial tube bundle puller for extracting a tube bundle from a heat exchanger is provided, comprising a cradle supporting a carriage frame and a power source, a sled, attachable to a tube bundle, with a hydraulic powered screw drive to propel the sled o... | 09/26/1989 |
| 4675963 | Method of assembly of a steam separator super-heater This steam separator superheater comprises a horizontal axis cylindrical shell (1) enclosing in its lower portion a steam and moisture separator and in its upper portion a two-stage steam superheater resting on running paths supported half way up the shel... | 06/30/1987 |
| 4589893 | Steam separator superheater and method of assembly This steam separator superheater comprises a horizontal axis cylindrical shell (1) enclosing in its lower portion a steam and moisture separator and in its upper portion a two-stage steam superheater resting on running paths supported half way up the shel... | 05/20/1986 |
| 4575305 | Truck mounted tube bundle pulling apparatus The apparatus for removing and reinserting tube bundles into heat exchanger shells features an over the road vehicle having a bed. A vertical telescoping column is rotatably mounted to the rear of the bed. A bundle support member having a longitudinal axi... | 03/11/1986 |
