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| Number | Title | Issue Date |
| 7992299 | Method for the economical production of heat exchanger tubes bent in a u-shape The invention relates to a method for the manufacture of tubes bent in a U-shape (hairpin tubes) from a nonferrous metal, immediately following a tube production line. For that purpose, according to the invention, the method for the manufacture of tubes bent in a U-... | 08/09/2011 |
| 7921559 | Flat tube, flat tube heat exchanger, and method of manufacturing same A number of flat tubes, flat tube heat exchangers, and methods of manufacturing both are described and illustrated. The flat tubes can be constructed of one, two, or more pieces of sheet material. A profiled insert integral with the flat tube or constructed from ano... | 04/12/2011 |
| 7895749 | Method of manufacturing heat exchanger A heat exchange tube is formed by using a sheet member not clad with a brazing material layer, with bonding regions at which ends of the sheet member are overlapped and brazed by using a brazing material. This structure reduces the extent to which the brazing materi... | 03/01/2011 |
| 7669328 | Method of manufacturing a push rod A method of manufacturing a push rod from a length of tube having a first end and a second end. The tube is held in a first fixture and a first tool is brought into engagement with the first end while a force is applied to deform the first end into a cone. A disc is... | 03/02/2010 |
| 7653999 | Co-extruded generating bank swaged tubing A method is provided for successfully rolling co-extruded tubing into drums of a boiler bank. First, a co-extruded tube is provided, containing a carbon steel base tubing with an outer layer of high alloy tubing. Next, the outer layer of high alloy tubing is removed... | 02/02/2010 |
| 7430803 | Gas removing apparatus for removing non-condensate gas from a heat pipe and method for the same A method and gas removing apparatus removes non-condensate gas from a heat pipe. The gas removing apparatus includes at least one heating unit, a sealing unit and a height-adjusting unit. The heating unit heats the heat pipe and includes a clip to clamp the heat pip... | 10/07/2008 |
| 7404255 | Apparatus and method for removing non-condensing gas in heat pipe An apparatus and a method for removing non-condensing gas in heat pipe are disclosed, In this method, a resilient pad is abutted against an opening of a pipe body of the heat pipe after a working fluid is filled into the heat pipe. The heat pipe is then heated to re... | 07/29/2008 |
| 7341099 | Metal plate for producing flat tube, flat tube and process for producing the flat tube A metal plate comprises two flat wall forming portions 89, 90 connected together by a joint portion 88, a plurality of reinforcing wall forming portions 83, 84 upwardly projecting from each of the wall forming portions 89, 90 integrally t... | 03/11/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7322400 | Cooling apparatus having low profile extrusion A cooling apparatus has a low profile extrusion with a plurality of micro tubes extended there through. The low profile extrusion is placed into thermal connection with heat producing components. A heat transfer fluid removes heat via an adiabatic process. ... | 01/29/2008 |
| 7252693 | Carbon monoxide conversion process and reactor A process and reaction unit for isothermal shift conversion of a carbon monoxide containing feed gas. The process comprises the steps of introducing the feed gas in a reaction unit into reactor tubes with a fixed bed of a shift conversion catalyst in a reaction zone... | 08/07/2007 |
| 7246437 | Heat exchanger for cooling exhaust gas and method of manufacturing same A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded ... | 07/24/2007 |
| 7198096 | Stacked low profile cooling system and method for making same A stacked array of low profile heat pipes each with a plurality of micro tubes extended therethrough. The stacked low profile heat pipes are placed into thermal connection with heat producing components. A heat transfer fluid is contained in the micro tubes of the l... | 04/03/2007 |
| 7182128 | Heat exchanger tube having strengthening deformations A heat transfer tube for a heat exchanger and a method of manufacturing such a tube. The heat transfer tube includes opposing top and bottom walls and end walls connecting the top and bottom walls to each other. The top and bottom walls each define a substantially p... | 02/27/2007 |
| 7165606 | Heat exchanging tube and heat exchanger A heat exchanging tube is provided with a flat tube main body having a predetermined length and a plurality of refrigerant passages extending in a tube longitudinal direction and arranged in a tube widthwise direction. The following relational equations (a) to (c) a... | 01/23/2007 |
| 7156401 | Elastomeric gasket in gasket well of heat exchanger A gasket well/gasket combination (30) is provided, and may be particularly useful for use in a header/tank assembly (12) for a heat exchanger (10). The combination (30) includes a gasket well (32) defined by a base wall (36)... | 01/02/2007 |
| 7152671 | Exhaust gas heat exchanger A tube 101 is constituted by a pair of plates 111a, 111b which are fitted with each other in such a manner as to put an inner fin 101b between the plate 111a and the plate 111b. Differences... | 12/26/2006 |
| 7140107 | Stacking-type, multi-flow, heat exchangers and methods for manufacturing such heat exchangers In a method for manufacturing a stacking-type, multi-flow, heat exchanger, heat transfer tubes and outer fins are stacked alternately, each heat transfer tube being formed by connecting a pair of tube plates and including an inner fin therebetween. The manufacturing... | 11/28/2006 |
| 7123479 | Enhanced flow channel for component cooling in computer systems An evaporator having an enhanced flow channel design for use in a computer system is described. Specifically, micro-channels of the evaporator comprise nucleation sites and different channel widths. The enhanced flow channel design improves heat transfer from a comp... | 10/17/2006 |
| 7117936 | Tube for heat exchanger In a tube (4) for a heat exchanger comprising a flat pipe (16) whose both ends are opened and in which a flow path (15) for a heat exchanging medium is formed, and an inner fin (17) arranged in the flow path (15), wherein said flat... | 10/10/2006 |
| 7111670 | Plate fin for heat exchanger and heat exchanger core A plate type heat exchanger employing flat tubes, which can be manufactured easily and which have a high heat exchange performance includes a thin strip-shaped metal plate cut in the width direction and having remaining small connected portions and many cut portions... | 09/26/2006 |
| 7107680 | Manufacturing method of heat exchanger and structure thereof A first plate and a second plate have brazing paste on the surface thereof. When the first plate is combined with the second plate while an inner fin is disposed therein, a protrusion forms a clearance there between. Heat is added to evaporate the organic substances... | 09/19/2006 |
| 7077191 | Means for maintaining the surface temperature of a playground structure within an ergonomically acceptable range A playground structure 201 is provided herein which comprises at least one component 31 having a playing surface 41 thereon, and a heat exchange system adapted to modify the temperature of the playing surface. The heat exchange system may compri... | 07/18/2006 |
| 7072180 | Gas collecting device, test head and IC device testing apparatus A heating element cooling cover 5 for covering IC devices 44 mounted on a substrate 4, wherein a coolant is circulated to be able to contact the IC devices 44, and a groove 54 (bypath) is provided for an air and the coolant to flow... | 07/04/2006 |
| 7037102 | Plunger molding machine with tapered bore and thermal transfer fins A plunger machine for molding reinforced polymer compositions is provided. The plunger machine has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine includes a barrel hous... | 05/02/2006 |
| 7017461 | Dual position automatic notcher A device for consecutively forming one or more notches in a first surface and one or more notches in second surface of a hollow workpiece. The notching device including a first die and a second die that is fixed relative to the first die; and a shiftable punch havin... | 03/28/2006 |
| 7001671 | Kinetic sprayed electrical contacts on conductive substrates The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form... | 02/21/2006 |
| 6957487 | Fluid conveying tube as well as method and device for manufacturing the same A method of manufacturing an elongate fluid conveying tube that includes starting from a blank of metal material, wherein the fluid conveying tube is adapted to be mounted in a vehicle cooler and comprises at least two internal elongate ducts. The method of manufact... | 10/25/2005 |
| 6944947 | Heat exchanger for cooling exhaust gas and method of manufacturing same A heat exchanger for cooling exhaust gas, around which liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded wi... | 09/20/2005 |
| 6935409 | Cooling apparatus having low profile extrusion A cooling apparatus has a low profile extrusion with a plurality of micro tubes extended there through. In the caps interconnect the ends of the micro tubes in fluid communications and to inlet and outlet tubes. The low profile extrusion is placed into thermal conne... | 08/30/2005 |
| 6925711 | Micro-textured heat transfer surfaces A wrought aluminum sheet product having a textured surface for improved heat transfer properties. A plurality of textured features having dimensions of about 1-50 microns is roll textured onto one or both sides of the sheet. The aluminum sheet may be used as the fin... | 08/09/2005 |
| 6923035 | Method and apparatus for forming a modified conduit A conduit modifier may be used to corrugate at least a portion of a conduit. The conduit modifier may include at least a first plurality of rollers arranged in a first pattern around a passageway. The first plurality of rollers may form ridges and grooves lengthwise... | 08/02/2005 |
| 6904677 | Method of manufacturing tube and apparatus for manufacturing the same In a method of manufacturing a tube that has a plurality of projections (dimples) protruding inwardly from an inside wall of the tube other than a longitudinal end, a work, which is a material of the tube and in a form of band plate, is shaped by a roller to form pr... | 06/14/2005 |
| 6817098 | Method for forming inner flanges in a bushing which is used to secure a hose therein A method of forming inner flanges in a bushing comprises steps of (a) extruding a bushing into an extruding die, (b) cutting an initial upward flange in the bushing, (c) shaping the initial upward flange into a final inner flange, and (d) repeating steps (a) to (c) ... | 11/16/2004 |
| 6799630 | Tube for heat exchangers and method of manufacturing the same A tube for a heat exchanger which has beads (21) formed on a brazing sheet (B) for configuring a tube (2) and tops of the beads brazed with opposed portions within a tube part (20) and a method for manufacturing the tube. The tube part (20 | 10/05/2004 |
| 6789318 | Method for producing longitudinally welded helically corrugated metal tubing A method for producing longitudinally welded helically corrugated metal tubing, wherein a metal strip pulled from a strip supply is formed into tubing with a longitudinal slit, the longitudinal slit is sealed by welding and the corrugation is produced by a corrugati... | 09/14/2004 |
| 6772518 | Method of forming flat-tube insertion slots in a header tube The invention relates to a method for forming at least one flat-tube insertion slot in a header tube. A sawcut is introduced into the header tube during a sawing step, and the slot is configured, during a subsequent punching step, by means of a slot punch, which pun... | 08/10/2004 |
| 6760972 | Apparatus and methods for forming internally and externally textured tubing A machine may produce a tube having textured internal and external surfaces in a single operation. Inner and outer knurling tools may form the textured surfaces. The texturing of the internal and external surfaces may be helical patterns of ribs and grooves. The hei... | 07/13/2004 |
| 6732788 | Vorticity generator for improving heat exchanger efficiency A heat exchange tube includes a tubular conduit for flowing a working fluid therethrough and for conducting heat between the working fluid and a thermal field proximate the tube, and a wire extending axially through the tubular conduit and spaced from an inside surf... | 05/11/2004 |
| 6725913 | High pressure header and heat exchanger and method of making the same A method of providing volume production of highly pressure resistant headers (10), (12) is provided and allows the headers (10), (12) to be formed of a header structure (10), (12) with a relatively thin wall portion (32 | 04/27/2004 |
