Class / Patent application number | Description | Number of patent applications / Date published |
165180000 | Diverse materials | 25 |
20080264622 | Bi-material corrosive resistant heat exchanger - A heat exchanger for a fluid handling system is disclosed. The heat exchanger may have an inlet configured to receive a fluid at a first temperature, and an outlet configured to discharge the fluid at a second temperature lower than the first. The heat exchanger may also have at least one fluid passageway disposed to conduct the fluid from the inlet to the outlet. The at least one fluid passageway may have a first section fabricated from a first material, and a second section fabricated from a dissimilar second material. At least one of the first and second materials may include a thermally conductive polymer. | 10-30-2008 |
20090056927 | 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 another sheet of material can be used to define multiple flow channels through the flat tube. The flat tubes can be constructed of relatively thin material, and can be reinforced with folds of the flat tube material and/or of an insert in areas subject to higher pressure and thermal stresses. Also, the relatively thin flat tube material can have a corrosion layer enabling the material to resist failure due to corrosion. Heat exchangers having such flat tubes connected to collection tubes are also disclosed, as are manners in which such tubes can be provided with fins. | 03-05-2009 |
20090101323 | COPPER ALLOY TUBE FOR HEAT EXCHANGER EXCELLENT IN FRACTURE STRENGTH - The present invention provides a copper alloy tube for heat exchangers which is tolerable to a high operating pressure of new cooling media such as carbon dioxide and HFC-based fluorocarbons, and is excellent in fracture strength, even if the tube is thinned, and a copper alloy tube for a heat exchanger which has a composition having specified amounts of Sn and P, has an average crystal grain size of 30 μm or less and has a high strength of 250 MPa or more of a tensile strength in the longitudinal direction of the tube improves the fracture strength as a texture in which the orientation distribution density in the Goss orientation is 4% or less. | 04-23-2009 |
20090218085 | 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 another sheet of material can be used to define multiple flow channels through the flat tube. The flat tubes can be constructed of relatively thin material, and can be reinforced with folds of the flat tube material and/or of an insert in areas subject to higher pressure and thermal stresses. Also, the relatively thin flat tube material can have a corrosion layer enabling the material to resist failure due to corrosion. Heat exchangers having such flat tubes connected to collection tubes are also disclosed, as are manners in which such tubes can be provided with fins. | 09-03-2009 |
20090260791 | PIPE/FILLER UNIT, INTERNAL HEAT EXCHANGING TYPE DISTILLATION COLUMN AND PRODUCTION METHOD THEREOF - An inside regular filler layer is disposed inside a pipe where heat is exchanged between an inside and an outside of a pipe wall so as to abut an inner peripheral surface of the pipe, and an outside regular filler layer is disposed outside the pipe so as to surround the pipe and closely contact an outer peripheral surface of the pipe. The outer peripheral surface of the pipe is subjected to close contact-promoting processing in order to enhance close contacting feature between the outer peripheral surface and the outside regular filler layer. The pipe/filler unit is used for the distillation section of an internal heat exchanging type distillation column. | 10-22-2009 |
20090266529 | Protected Carbon Steel Pipe for Fire Tube Heat Exchange Devices, Particularly Boilers - A protected carbon steel pipe for fire tube heat exchange devices, particularly boilers, comprising internally, at least along a portion of its length, at least one bonded layer of corrosion-resistant material. | 10-29-2009 |
20090266530 | Aluminum Alloy For Extrusion And Drawing Processes - An extrudable aluminum alloy composition includes, in weight percent, between 0.60 and 0.90 manganese, between 0.45 and 0.75 copper, between 0.05 and 0.24 magnesium, less than 0.30 iron, less than 0.30 silicon, less than 0.05 titanium, less than 0.05 vanadium, and a Cu/Mg ratio higher or equal to 3. It also relates to aluminum alloy heat exchanger extruded or drawn tube and extruded or drawn aluminum alloy tubing having the above-described aluminum alloy composition. It also relates to a heat exchanger comprising a plurality of extruded or drawn tube sections having the above-described aluminum alloy composition and a process for manufacturing same. | 10-29-2009 |
20090301701 | Use of a Heat Exchanger Tube - The invention relates to the use of a heat exchanger tube, comprising a copper alloy, which contains the alloying elements [in percent by weight] 0.05-3% Fe, 0.01-0.15% P, and optionally 0.05-0.2% Zn, 0.02-0.05% Sn and residual Cu as well as unavoidable impurities, as a gas-cooler, condenser or evaporator tube of a refrigerator or heat pump operating with CO2. | 12-10-2009 |
20100155040 | Heat Sink Comprising a Tube Through Which Cooling Medium Flows - There is described a heat sink having at least one tube through which cooling medium flows and which is surrounded by a heat-conducting material, wherein the tube wall of the at least one tube is corrugated in the direction of flow. The corrugated embodiment has the advantage that the transition from laminar to turbulent flow relative to a straight-walled tube is effected at a lower flow velocity and the heat transfer area is greater at the same tube length. | 06-24-2010 |
20100163217 | ADVANCED THERMAL CONTROL INTERFACE - An apparatus for controlling a temperature of a device. The apparatus includes a body ( | 07-01-2010 |
20100200205 | EXTRUDED PRODUCT MADE FROM ALUMINIUM ALLOY Al-Mg-Si WITH IMPROVED RESISTANCE TO CORROSION - An extruded product, particularly a drawn tube made from an alloy of the 6XXX series with the following composition, in weight %: Mg: 0.4-0.7, Si: 0.4-0.7, Fe: 0.1-0.3, Zn: 0.16-0.3, Ti: 0.12-0.3, Mn<0.10, Cu<0.05, Cr<0.05, Ni<0.05. others<0.05 each and <0.15 in total, remainder being aluminum, with the ratio Si/Mg between 0.9 and 1.3. The tubes are advantageously used for cabin air-conditioning systems in motor vehicles using CO | 08-12-2010 |
20100224351 | HEAT EXCHANGER - A heat exchanger is provide, in which a fin member and a tube member are joined each other, wherein the fin member includes a solder wetting film layer containing copper, in at least a part of a surface of a fin substrate made of aluminum or an alloy mainly composed of aluminum, where the fin member and the tube member are joined each other, and the tube member includes a solder film layer made of solder containing tin, in at least a part of a surface of a tube substrate made of copper or an alloy mainly composed of copper, where the tube member and the fin member are joined each other, wherein the fin member and the tube member are joined each other, through a diffusion bonding of a copper component of the solder wetting film layer and a tin component of the solder film layer. | 09-09-2010 |
20100294472 | USE OF A DUPLEX STAINLESS STEEL IN A PHOSPHORIC ACID PRODUCTION SYSTEM - The present disclosure relates to the use of a duplex stainless steel as heat exchanger material in a phosphoric acid production system using the wet method. The steel has the following composition in percent by weight: C max 0.03 Si max 0.5 Mn max 3 Cr 26-29 Ni 4.9-10 Mo 3-5 N 0.35-0.5 B max 0.0030 Co max 3.5 W max 3 Cu max 2 Ru max 0.3 balance Fe and normal occurring impurities. | 11-25-2010 |
20110024098 | SINTERED HEAT PIPE, MANUFACTURING METHOD THEREOF AND MANUFACTURING METHOD FOR GROOVE TUBE THEREOF - A sintered heat pipe, a manufacturing method thereof and a manufacturing method for a groove tube thereof are provided. The sintered heat pipe includes a groove tube, a sintered powder layer and a working fluid. The groove tube has a plurality of grooves and a first end and a second end opposite to the first end. Each groove extends along an axial direction of the groove tube. The first end and the second end are closed. The sintered powder layer is formed on an inside wall of the groove tube, and the groove tube is filled with the working fluid. The size of each powder in the sintered powder layer is greater than a width of each of the grooves. | 02-03-2011 |
20110042050 | Composition Having a Corrosion Protection Layer and Process for the Production Thereof - A composite material can include a carrier material that is coated, at least over part of the surface, with a corrosion protection layer made of an aluminum alloy. The composite material can provide a defined, effective, durable corrosion protection and simultaneously have a high recycling potential. The aluminum alloy of the corrosion protection layer can have the following composition in % by weight: | 02-24-2011 |
20110155359 | HOLLOW STRUCTURES AND ASSOCIATED METHOD FOR CONVEYING REFRIGERANT FLUIDS - The present invention relates to the field of flexible hollow structure suitable to convey a refrigerant fluid and methods for their use. Disclosed hollow structures comprising a layer made of a resin composition comprising one or more semi-aromatic polyamides and one or more functionalized polyolefins show a balance of properties in terms of flexibility, permeation barrier against a refrigerant fluid and retention of properties upon heat and refrigerant fluid exposure. | 06-30-2011 |
20110180244 | Copper Alloys and Heat Exchanger Tubes - Alloys comprising copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide. | 07-28-2011 |
20110303403 | Flexible Heat Exchanger - An embodiment of the invention comprises a method for constructing a heat exchanger for cooling one or more semiconductor components. The method comprises the step of providing first and second planar sheets of specified thermally conductive metal foil, wherein each of the sheets has and exterior side and an interior side. The method further comprises forming one or more thermal contact nodes (TCNs) in the first sheet, wherein each TCN extends outward from the exterior side of the first sheet, and comprises a planar contact member and one or more side sections, the side sections respectively including resilient components that enable the contact member of the TCN to move toward and away from the exterior side of the first sheet, and the side sections and contact member of a TCN collectively forming a coolant chamber. Channel segments are configured along the interior side of the first sheet, wherein each channel extends between the coolant chambers and two TCNs, or between the coolant chamber of a TCN and an input port or output port, selectively. The method further comprises joining the interior side of the second sheet to the interior side of the first sheet, in order to form a sealed flow path that includes each channel segment, and enables liquid coolant to flow into and out of the coolant chamber of each TCN. | 12-15-2011 |
20110303404 | Wear-Resistant Conformal Coating for Micro-Channel Structure - A conformal, multilayer micro-channel structure having a wear-resistant interior micro-channel surface coating of an ALD deposited conformal alumina (Al2O3) ceramic of about 1000 Å in thickness and a titanium nitride (TiN) of about 300 Å to about 1000 Å in thickness. The Al2O3/TiN multilayer structure is resistant to erosion and to electro-chemical corrosion as is found in prior art micro-channel coolers and structures. | 12-15-2011 |
20120186797 | MOTOR WATER-COOLING STRUCTURE AND MANUFACTURING METHOD THEREOF - A motor water-cooling structure and a manufacturing method thereof are disclosed. The motor water-cooling structure includes a motor case having a wall portion and a tube. The tube is embedded in the wall portion to serve as a flow passage. To manufacture the motor water-cooling structure, the tube is positioned in a mold cavity of a mold, and the motor case is formed in the mold by pour molding to embed the tube therein, so that the motor case and the tube form an integral body. With the manufacturing method, the motor water-cooling structure can be formed with reduced material, labor and time to save the manufacturing costs, and the risk of water leakage can be avoided. | 07-26-2012 |
20120279694 | HIGH-CORROSION-RESISTANT ALUMINUM ALLOY BRAZING SHEET, METHOD OF MANUFACTURING SUCH SHEET, AND CORROSIVE-RESISTANT HEAT EXCHANGER USING SUCH SHEET | 11-08-2012 |
20120312518 | RESIN-IMPREGNATED BODY MADE OF SILICON CARBIDE AND METHOD OF PRODUCING THE RESIN-IMPREGNATED BODY - A body contains an open-pore silicon carbide which is at least partially impregnated with a resin. A method produces such a body and includes the steps of a) providing an open-pore silicon carbide, b) at least partially impregnating the open-pore silicon carbide with the resin and c) curing the resin. The body can be used as a pipe in a heat exchanger. | 12-13-2012 |
20140048239 | Aluminum Alloy For Extrusion And Drawing Processes - An extrudable aluminum alloy composition includes, in weight percent, between 0.60 and 0.90 manganese, between 0.45 and 0.75 copper, between 0.05 and 0.24 magnesium, less than 0.30 iron, less than 0.30 silicon, less than 0.05 titanium, less than 0.05 vanadium, and a Cu/Mg ratio higher or equal to 3. It also relates to aluminum alloy heat exchanger extruded or drawn tube and extruded or drawn aluminum alloy tubing having the above-described aluminum alloy composition. It also relates to a heat exchanger comprising a plurality of extruded or drawn tube sections having the above-described aluminum alloy composition and a process for manufacturing same. | 02-20-2014 |
20150041112 | PROCESS FOR PRODUCING ALUMINUM ALLOY TUBE HAVING SACRIFICIAL ANTICORROSION LAYER AND JOINING LAYER - Provided is an aluminum alloy tube with superior corrosion resistance and a joining layer for brazing. In addition, a heat exchanger using a fin which utilizes a bare material of low cost and higher availability, rather than a clad material, is provided. A manufacturing method of an aluminum alloy tube, including the steps of forming a sacrificial anticorrosion layer comprising Zn, by ark spraying Zn with purity of 95% or more, onto a surface of aluminum alloy tube with a spraying amount of 3 to 10 g/m | 02-12-2015 |
20150060035 | HEAT TRANSFER TUBE AND METHOD FOR PRODUCING SAME - A heat transfer tube includes: a tube body made of an extruded material of an aluminum alloy having a composition including: 0.3 mass % or more and less than 0.8 mass % of Mn; more than 0.1 mass % and less than 0.32 mass % of Si; 0.3 mass % or less of Fe; 0.06 mass % or more and 0.3 mass % or less of Ti; and Al balance including inevitable impurities, a ratio of a Mn content to a Si content, Mn %/Si %, exceeding 2.5; and a Zn-containing layer provided to an outer surface of the tube body. | 03-05-2015 |