| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 165182000 | With means spacing fins on structure | 28 |
| 20080296008 | Heat Transfer Fin for Heat Exchanger - A heat transfer fin ( | 12-04-2008 |
| 20100012308 | Heat Exchanger Tubes, and Method for Producing Heat Exchanger Tubes - A method for producing heat exchanger tubes involves applying a surface coating to the tube through which a fluid medium flows and which has a number of cooling fins arranged on an outer wall. The method comprises applying a surface coating to an inner wall and the outer wall of the tube, the inner wall and the outer wall comprised of structural steel, the surface coating comprising copper, nickel, cobalt, chromium, a nickel alloy, a chromium alloy, a copper alloy, a cobalt alloy or stainless steel. The method further comprises soldering the number of cooling fins to the outer wall. The surface coating is configured to facilitate direct soldering of the number of cooling fins to the outer wall of the tube and to provide the inner wall with corrosion resistance to the fluid medium in the tube. | 01-21-2010 |
| 20100270013 | TURN-FIN TUBE, MANUFACTURING APPARATUS OF THE TURN-FIN TUBE, MANUFACTURING METHOD OF THE TURN-FIN TUBE AND TURN-FIN TYPE HEAT EXCHANGER USING THE TURN-FIN TUBE - A turn-fin tube, a turn-fin type heat exchanger using the same, and an apparatus and method for manufacturing the same are provided. The turn-fin tube includes a tube in which a fluid flows, and a fin wound on an outer surface of the tube in a helical shape. The fin includes a base section wound on an outer surface in contact with the tube, and an extension section extending from the base section in an outward direction of the tube at a predetermined angle. | 10-28-2010 |
| 20090056928 | HEAT DISSIPATION ASSEMBLY - A heat dissipation assembly includes a heat pipe and a cooling fin set. The heat pipe provides an upright curved section and the cooling fin set provides a plurality of cooling fins to be attached to the curved section. Wherein, the cooling fin set has a curved shape corresponding to the curved section and provides a lateral curved recess for the curved section being capable of fitting with the curved recess precisely due to the sizes of the curved section and the curved cooling fin are controlled effectively and the required tortuosity is obtained during being worked. | 03-05-2009 |
| 20090133863 | HEAT TRANSFER FIN AND FIN-TUBE HEAT EXCHANGER | 05-28-2009 |
| 20110290467 | HEAT SINK MODULE - A heat sink includes a base member having stepped channels spaced on the surface thereof in a parallel manner and first and second ribs protruding from the surface and respectively extending along two opposite lateral sides of each of the stepped channels, and radiation fins respectively mounted in the channels of the metal base member and supported on the second ribs vertically, each radiation fin having a Z-shaped foot portion that is inserted into one respective stepped channel of the base member and secured thereto by the associated first and second rib that are stamped to clamp on the Z-shaped foot portion of the associated radiation fin after its insertion into the respective stepped channel. | 12-01-2011 |
| 20090050305 | HEAT PIPE STRUCTURE OF A HEAT RADIATOR - The present invention provides a heat pipe structure of a heat radiator, which includes two vertically protruded radiating portions and heat-absorbing portions at a bottom of the two radiating portions. The heat-absorbing portions are assembled onto the heat-conducting pedestal. Two turning portions are formed at the intersection of the heat-absorbing portions and two radiating portions. The heat-absorbing portion has a curved shape. The heat-absorbing portions of adjacent heat pipes are misaligned, such that the turning portion of the heat-absorbing portion of one heat pipe aligns with the recessed space of the other heat pipe. A minimum of heat pipe assembly space obtains a maximum heating area, thus greatly improving the heat-radiating effect and reducing the manufacturing cost with better applicability and economic efficiency. | 02-26-2009 |
| 20090090497 | FIN FOR A HEAT EXCHANGER AND MANUFACTURING METHOD - The invention relates to a fin for a heat exchanger, comprising a fin element which extends in the flow direction of a first fluid and has a wall face around which the first fluid flows on both sides, wherein at least one flap is provided in the wall face, which flap forms a cutout, through which the first fluid can flow, in the wall face,
| 04-09-2009 |
| 20080289809 | Heat exchanger and fabrication method thereof - A heat exchanger having an aluminum main body is provided. The aluminum main body has heat exchange medium passages that allow the heat exchange medium to circulate, and fins for heat exchange extending outwards from the surface thereof. A method of fabricating the heat exchanger is also provided. The aluminum main body with heat exchange medium passages is formed by stretching or extrusion. The fins are shaped on the external surface of the aluminum main body through skiving. Since the main body and the fins are integrally formed, no extra combined thermal resistance exists between the fins and the main body, and thus the heat exchanger of the present invention has high heat exchange efficiency. Moreover, the method of fabricating the heat exchanger of the present invention has simple processes, and can ensure consistent product quality, and meanwhile does not use expensive copper tubes, thus reducing the cost effectively. | 11-27-2008 |
| 20080283234 | Heat sink and method of making same - A heat sink has a heat pipe inside of which a working fluid is filled and which is extended by a predetermined length from a heat source in a heat radiation direction, and a radiation fin having a mountain portion and a valley portion formed in a longitudinal direction of the heat pipe, the mountain portion and the valley portion forming a continuous waveform. The radiation fin further has a step portion for fitting and retaining the heat pipe thereinto. A method of making the heat sink includes shaping the mountain portion and the valley portion on a strip plate member with a thermal conduction property in a longitudinal direction of the plate member to form the radiation fin, placing the radiation fin between an upper mold and a lower mold, wherein the upper mold has a convex member with a same shape as the heat pipe and the lower mold has a step-shaping member for shaping the step portion, pressing the radiation fin by the upper mold and the lower mold to form the step portion on the mountain portion, and fitting and retaining the heat pipe into the step portion. | 11-20-2008 |
| 20080277107 | Heat dissipating base structure - A heat dissipating base structure includes a base; a plurality of heat dissipating fins disposed on the base and arranged in parallel to each other, each of the heat dissipating fins being formed with at least a first through hole and a second through hole corresponding to the first through hole; and at least a U-shaped heat pipe having a bending portion and two pipe leg portions extending from two ends of the bending portion respectively. The cross section of the pipe leg portions is smaller than the size of the first and second through holes. Each of the pipe leg portions is fixedly disposed in the first and second through holes at one side thereof respectively, and can move freely in the holes before being fixedly disposed. | 11-13-2008 |
| 20090178794 | Method for manufacturing heat sink having heat-dissipating fins and structure of the same - A method for manufacturing a heat sink having heat-dissipating fins and a structure of the same are provided. The method includes the steps of: providing a substrate comprising a center portion and a plurality of extending arms, a gap being provided between each two adjacent extending arms; providing a plurality of heat-dissipating fins, the heat-dissipating fins being inserted into the gaps between the extending arms, each heat-dissipating fin comprising a base piece and two heat-dissipating plates; and bending and pressing each extending arm of the substrate with one of the two opposite side walls of each extending arm abutting against one of the two opposite surface of each heat-dissipating plate. Via the above arrangement, the present invention has an effect of avoiding the heat transfer loss. | 07-16-2009 |
| 20090260794 | Heat Exchanger, Method for Manufacturing the Same, and Heat Exchanging Tube - The present invention is directed to a method for manufacturing a heat exchanger in which a Zn thermally sprayed layer is formed on a surface of an aluminum flat tube | 10-22-2009 |
| 20100236767 | HYDROGEN GAS STORING DEVICE - A plurality of MH tank modules ( | 09-23-2010 |
| 20100212876 | Heat Exchanger - A heat exchanger has a first fin having a hole, a collar attached to the first fin and associated with the hole, and a bluff body carried by the first fin. The bluff body is partially directly upstream of the collar. A heat exchanger has a fin having a hole, a collar attached to the fin and associated with the hole, and a bluff body associated with the fin. A configuration of the bluff body is associated with a fin pitch separation distance of the heat exchanger. A method of increasing a heat exchange efficiency of a heat exchanger is provided that includes passing an air flow adjacent a surface of a fin, obstructing the air flow with a bluff body, reducing a thickness of a thermal boundary layer, and locating a reduced thickness portion of the thermal boundary layer adjacent to a collar associated with the fin. | 08-26-2010 |
| 20100243226 | FIN FOR HEAT EXCHANGER AND HEAT EXCHANGER USING THE FIN - The present invention discloses a fin for a heat exchanger, the fin is formed with louvers, and air, which is used as heat exchange medium, successively flows through said louvers when the heat exchanger operates. The louver gap of the louvers changes in the air flow direction, such that a louver gap at a certain portion of the louvers matches with an amount of frost formed at that portion. With the technical solution of the invention, the louver gap at a certain portion of the louvers is made to match with the amount of frost formed at that portion, such that a sufficient space is still left between adjacent louvers for the air to flow through. As a result, the wind resistance will not increase substantially to decrease the amount of air flowing through, and thus the heat exchange performance of the fin can be utilized completely. | 09-30-2010 |
| 20100288481 | 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. | 11-18-2010 |
| 20100218926 | VEHICLE RADIATOR - The invention relates to a cooling fluid cooler for motor vehicles having a soldered cooling network ( | 09-02-2010 |
| 20100294474 | HEAT EXCHANGER TUBE - A multi-portion heat exchanger tube that increases the efficiency of heat transfer is disclosed. More specifically, a multi-portion heat exchanger tube wherein a second portion contains a significantly greater surface area than a first portion is disclosed. Even more specifically, a multi-portion heat exchanger tube wherein the first portion is significantly tubular in shape and the second portion is significantly shell shaped is disclosed. | 11-25-2010 |
| 20090065186 | CONDENSER ASSEMBLY - A condenser assembly is provided. The condenser includes a first tube-and-fin module having a first flat tube with a first group of microchannels formed parallelly therethrough. The condenser also includes a second tube-and-fin module arranged next to the first tube-and-fin module. The second tube-and-fin module includes a second flat tube with a second group of microchannels formed parallelly therethrough. The condenser further includes a bottom panel having a bottom group of microchannels. The bottom panel is sealingly coupled to the first and second flat tubes at one common end thereof. The bottom group of microchannels extends between and communicates with the first and second groups of microchannels defining a plurality of continuous passages. | 03-12-2009 |
| 20110067849 | FIN TUBE TYPE HEAT EXCHANGER - A fin tube type heat exchanger includes heat transfer fins spaced apart from each other along plate thickness directions and heat transfer tubes inserted into the heat transfer fins in directions substantially orthogonal to a gas current flow direction. Each heat transfer fin includes cut and raised parts lined up from upstream to downstream on both sides of each heat transfer tube. The cut and raised parts are inclined with respect to the gas current flow direction to guide gas current to a rear side of the heat transfer tubes. A height of each of the cut and raised parts increases gradually toward the downstream side. A value calculated by dividing an average height of each cut and raised part by a fin pitch is greater than 0.3 and less than 0.6. The fin pitch is a spacing between the heat transfer fins. | 03-24-2011 |
| 20100282456 | FINNED TUBE HEAT EXCHANGER - A heat exchanger comprises a tube and fins extending from an outer surface of the tube. The fins comprise first and second sets of fins with the first set of fins oriented in a first direction with respect to an axial direction of the tube and the second set of fins oriented in a second direction with respect to the axial direction of the tube to expose at least a portion of the first and second sets of fins to a free stream. | 11-11-2010 |
| 20090173485 | FIN TUBE ASSEMBLY FOR AIR COOLED HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME - A finned tube assembly for an air cooled condenser. The finned tube assembly comprises a non-circular core tube and at least one set of fins that are welded directly to the core tube. The core tube can be formed by a plurality of longitudinal transverse sections that are seam welded together. In another embodiment, the invention is a fined tube assembly having an outer surface that is made corrosion resistant by a surface conversion process, such as ferretic nitrocarburization. | 07-09-2009 |
| 20120012293 | Compact, high-effectiveness, gas-to-gas compound recuperator with liquid intermediary - A liquid-loop compound recuperator is disclosed for high-ε heat exchange between a first shell-side fluid stream and a second shell-side fluid stream of similar thermal capacity rates (W/K). The compound recuperator is comprised of at least two fluid-to-liquid (FL) recuperator modules for transfer of heat from a shell-side fluid, usually a gas, to an intermediary tube-side heat transfer liquid (HTL). Each FL module includes a plurality of thermally isolated, serially connected, adjacent exchanger cores inside a pressure vessel. The cores are rows of finned tubes for cross-flow transfer of heat, and they are arranged in series to effectively achieve counterflow exchange between the HTL and the shell-side stream. The HTL may be water, an organic liquid, a molten alloy, or a molten salt. Alumina-dispersion-strengthened-metal fins, superalloy tubes, and a lead-bismuth-tin alloy HTL may be used for high temperatures. Cumene may be used as the HTL in cryogenic applications. | 01-19-2012 |
| 20100175864 | FIN TUBE HEAT EXCHANGER - A fin tube heat exchanger has heat transfer fins disposed in an air flow and plural heat transfer tubes that are inserted in the heat transfer fins and disposed in a direction substantially orthogonal to a flow direction of the air flow. On the heat transfer fins, a set of guide fins and a set of guide fins arranged straightly from upstream to downstream in the flow direction of the air flow are formed, by cutting and raising, on the heat transfer fin surfaces on both sides of the heat transfer tubes. Straight lines that hypothetically interconnect the guide fins and the guide fins slant with respect to the flow direction of the air flow so as to guide the air flow in the vicinities of the heat transfer tubes to rear sides of the heat transfer tubes in the flow direction. | 07-15-2010 |
| 20110120688 | Aluminum Tube - Aluminum Fin Baseboard Radiator - A baseboard radiator element is formed of an aluminum tube and fins or vanes of aluminum sheet. An elongated strip of sheet aluminum is bent into a fin assembly of generally rectangular fins alternating with spacer members, with the fins having central apertures. The fin assembly is placed into a fixture and the tube is forced through the aligned apertures to create strong mechanical and thermal contact between tube and fins. The fin structure can be used with center tubes of other materials. A brass or steel connector insert is fitted into the end of the aluminum tube, and the end of the tube is deformed inward using a collet or jaw device to create a hermetic seal with the tube. The process can also be used for joining aluminum tubing to tubing of aluminum or other materials. | 05-26-2011 |
| 20120318488 | ALUMINUM ALLOY HEAT EXCHANGER - An aluminum alloy heat exchanger formed by assembling and brazing an aluminum alloy tube and an aluminum alloy fin to each other, wherein a coating for brazing comprising 1 to 5 g/m | 12-20-2012 |
| 20100230084 | TUBE-FIN TYPE HEAT EXCHANGE UNIT WITH HIGH PRESSURE RESISTANCE - The present invention disclosed a tube-fin type heat exchange unit with high pressure resistance, wherein said heat exchange unit comprises a plurality of tubes, foam metal and a plurality of heat dissipation fins; said tubes and said heat dissipation fins are spaced arranged; said foam metal is located in the interspace between said tubes and the superface of said heat dissipation fins; and solder is disposed between said tubes and said foam metal, and between said foam metal and the superface of said heat dissipation fins to make a firm connection. The heat exchange unit of the present invention has good heat exchange performance, high pressure resistance and small volume, so it is suitable for volume production and could be widely applied in heat exchangers for vehicle, industry and civil use. | 09-16-2010 |
