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| Number | Title | Issue Date |
| 8091621 | 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... | 01/10/2012 |
| 7935447 | Use of cabin air for generation of water via exhaust gas of a fuel cell A water generation system for the generation of water on board an aircraft comprises a fuel cell device having an exhaust for an exhaust gas, a condenser and an outflow valve for discharging cabin air, which is drawn off through the condenser due to the pressure dif... | 05/03/2011 |
| 7849915 | Heat exchange tube having multiple fluid paths A heat exchange tube having a flat shape includes a plurality of fluid paths having a circular cross section and extending in a longitudinal direction of the tube. Each fluid path is parallel to each other fluid path. The tube is dimensioned such that a distance bet... | 12/14/2010 |
| 7836944 | Multichannel flat tube for heat exchanger The invention relates to a multi-channel flat tube for heat exchangers that contains at least two channels extending along its length and arranged essentially adjacent to each other along its width passable by fluid, or at least two channel sections formed by one or... | 11/23/2010 |
| 7823630 | Tube for heat exchanger and method of manufacturing tube A tube for a heat exchanger is constructed of a single plate having one end portion and the other end portion in a width direction perpendicular to a tube longitudinal direction. The single plate having opposite first and second wall surfaces is bent to have a protr... | 11/02/2010 |
| 7726390 | Hollow chamber profile made of metal, especially for heat exchangers The invention relates to a hollow chamber profile made of metal, especially for heat exchangers. Said profile is made of an extruded base profile (10) having two broad parallel sides and two narrow sides or is made of a base profile which is a circular tube t... | 06/01/2010 |
| 7614443 | Heat exchanger tube A heat exchanger tube has an inner peripheral surface serving as an exhaust gas flow path with a flat cross-sectional shape. A thin structure is incorporated in the heat exchanger tube and has a substantially rectangular channel-shaped waveform in cross section. The... | 11/10/2009 |
| 7588073 | Aluminum alloy-based extruded multi-path flat tubes for the heat exchanger and method of manufacture thereof An aluminum alloy-based extruded multi-path flat tube having a multiple number of passageways extending internally through the flat tube in parallel with one another and adapted to be coupled to other such flat tubes to form a heat exchanger after performing a brazi... | 09/15/2009 |
| 7559355 | Tube for heat exchanger The present invention relates to a heat exchanger tube, in which turbulence generating portions placed within a passage of the tube are rounded into curved configurations with predetermined curvatures so that they are hardly damaged or fractured during extrusion to ... | 07/14/2009 |
| 7428920 | Fin for heat exchanger A heat exchanger with at least one louver arrangement in the region between associated tubes for the heat transfer from one medium to another medium. The louver arrangement is provided with an inflow part and an outflow part corresponding to the inflow part. Both fl... | 09/30/2008 |
| 7398819 | Minichannel heat exchanger with restrictive inserts A comb-like insert having a body and plurality of tapered fingers is installed with its fingers disposed within respective minichannels. The fingers and their respective minichannels are so sized as to restrict the channels and frictionally hold the insert in place ... | 07/15/2008 |
| 7347254 | Heat exchanger for motor vehicles The invention relates to a heat exchanger for motor vehicles, having a large number of flat tubes through which a liquid cooling medium can flow, and having corrugated fins which are associated with these flat tubes and to which environmental air or other media can ... | 03/25/2008 |
| 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 |
| 7337832 | Heat exchanger An improved heat exchanger for an automotive vehicle is disclosed. The heat exchanger typically includes at least one end tank; and a plurality of spaced apart extruded metal tubes with fins between the spaced tubes. The heat exchanger may be single or multi-fluid. ... | 03/04/2008 |
| 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 |
| 7316263 | Cold plate A novel cold plate may include one or more of the following features: relatively narrow channel gaps, two or more flow paths, primarily non-linear flow paths, and/or tapered channel walls. ... | 01/08/2008 |
| 7303002 | Fin structure, heat-transfer tube having the fin structure housed therein, and heat exchanger having the heat-transfer tube assembled therein A fin structure, a heat-transfer tube and a heat exchanger are formed of plate fins housed in a heat-transfer tube and have an excellent cooling efficiency by making the distribution and flow velocity of a flow uniform and by promoting an efficient heat-exchanging a... | 12/04/2007 |
| 7290595 | Inner fin with cutout window for heat exchanger An inner fin (1) of a heat exchanger has, on front and rear faces thereof, protruding ridges (2, 3) protruding in opposite directions to each other. Grooves (4, 5) to serve as passages of a heat exchange medium are formed between the adjacent pr... | 11/06/2007 |
| 7287580 | Heat exchanger A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid. In some embodiments, the active surface includes a logarithmic spiral wherein the radius of the logarithmic spiral measured at ... | 10/30/2007 |
| 7284599 | Heat exchanger Element for heat exchanging between fluids, where the flowing canals for the fluids are formed of slits on either side of a thin, folded sheet material (1), and that the ratio between the slit width (24) of the canals and depths (25) in the slit... | 10/23/2007 |
| 7284594 | Cooling system used for hybrid-powered automobile A radiator 9 for electric parts use, which cools an inverter and others relating to the control of an electric motor, and a condenser 12 for condensing refrigerant are arranged in parallel with each other with respect to the direction of an air flow on... | 10/23/2007 |
| 7267166 | Grooved tubes for heat exchangers that use a single-phase fluid Grooved metal tubes, with a groove-bottom thickness Tf and outside diameter De, internally grooved with N helical ribs having an apex angle α, height H, base width LN, and helix angle β, two consecutive ribs being separated by a groove, gener... | 09/11/2007 |
| 7267165 | Heat exchanger of ventilating system A heat exchanger of a ventilating system, including heat exchange plates which are laminated at a predetermined interval and divide an outdoor air path through which outdoor air passes and an indoor air path through which indoor air passes, and a plurality of emboss... | 09/11/2007 |
| 7264394 | 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 ... | 09/04/2007 |
| 7264045 | Plate-type evaporator to suppress noise and maintain thermal performance A heat exchanger assembly including a plurality of pairs of plates disposed in series for fluid flow from a pass through one pair of plates to a pass through the next pair of plates. Each pair of plates includes a central rib to define a U-shaped passage having a fl... | 09/04/2007 |
| 7255159 | Insert for heat exchanger tube An insert adapted to connect to opposite walls in a heat exchanger tube, including a corrugated sheet having alternating wave crests and wave troughs connected by wave flanks having openings therein, wherein at least some of the wave crests have a length different t... | 08/14/2007 |
| 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 |
| 7243712 | Fin tube assembly for air-cooled condensing system and method of making same A fin tube assembly has a core tube of elongated transverse cross-section having rounded leading and trailing sides, opposite flat faces, and opposite open ends for flow through the tube. A plurality of fins project in opposite directions from finned areas of the op... | 07/17/2007 |
| 7225542 | Vehicle body compartment lid method of manufacturing A vehicle body compartment lid includes a unitary, one-piece panel. The panel has both an inner panel portion and an outer panel portion, and is bent or folded such that the inner panel portion and the outer panel portion are in juxtaposition with one another. A met... | 06/05/2007 |
| 7222664 | Heat exchanger plate and this exchanger The heat exchanger plates have the section shown, with raised sections on the upper and lower faces in which run the flow pipes of one of the fluids. Notches are created on the longitudinal ends to allow these pipes to communicate, their supply and evacuation from a... | 05/29/2007 |
| 7210468 | Heat exchanger method and apparatus A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (502) and flowing exhaust gas out of the volume in a first and a second portions (504). The first portion forms a tailpipe gas stream (506), and ... | 05/01/2007 |
| 7210521 | Heat medium distributor for an air inlet system including multiple heat exchangers A heat medium distributor for an air inlet system having multiple heat exchangers includes a box-like housing, which is divided by a dividing wall into a first flow chamber, which is used as the forward collection pipe, and a second flow chamber, which is used as th... | 05/01/2007 |
| 7204302 | 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... | 04/17/2007 |
| 7201216 | Heat exchanger, in particular oil cooler for a motor vehicle A heat exchanger, preferably an oil cooler (1) for a motor vehicle, comprises stacked flat tubes (2, 3, 4), which have tube ends with apertures for admitting and discharging oil, which flows through the flat tubes (2, 3, 4) in their longitudinal... | 04/10/2007 |
| 7186389 | Method for carrying out chemical reactions in pseudo-isothermal conditions Method for carrying out in continuous, under so-called pseudo-isothermal conditions and in a predetermined reaction environment, such as a catalytic bed, a selected chemical reaction, comprising the steps of providing in the reaction environment at least one tubular... | 03/06/2007 |
| 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 |
| 7178586 | Flattened tube cold plate for liquid cooling electrical components A cold plate and a method of forming the cold plate are provided that efficiently and cost effectively cools electrical components. The cold plate includes a flattened tube formed from a circular extruded tube to have a top surface and a bottom surface that are subs... | 02/20/2007 |
| 7171956 | EGR cooler The present invention provides an EGR cooler that is easy to manufacture and can accelerate heat exchange. Round in section tubes are plastically deformed in one plane crossing centerlines thereof such that corrugated exhaust gas flow paths are formed inside the tub... | 02/06/2007 |
| 7169292 | Pyrolysis tube and pyrolysis method for using the same The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plurality of mixing blades made by ... | 01/30/2007 |
| 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 |
