| Entries |
| Document | Title | Date |
|---|
| 20130043012 | HEAT SINK - The heat sink includes a tube and a plurality of fins. The tube has slots and grooves. Each the groove is located between two adjacent ones of the grooves. The fins are separately fastened to the slots. Each the fin has two walls separately fastened to two of the grooves and a bridge connected between the two walls. An airflow passage is formed among the bridge and the walls. | 02-21-2013 |
| 20130043014 | HEAT EXCHANGER AND VEHICLE AIR CONDITIONER EQUIPPED WITH THE SAME - Provided is a heat exchanger whose air pressure loss is small and whose exchanged heat is large. The heat exchanger includes flat tubes, each having therein a plurality of refrigerant circulation holes, and fins fixed to the flat surfaces of the flat tubes, wherein the flat tubes and the fins are alternately stacked to form the heat exchanger. | 02-21-2013 |
| 20130043013 | Heat Exchanger and Method for Producing Heat Exchanger - The present invention relates to a heat exchanger capable of maintaining adhesion between fins and a heat exchange tube while achieving corrosion protection of the heat exchange tube, and a method for producing the heat exchanger. In the heat exchanger which includes a heat exchange tube | 02-21-2013 |
| 20120175101 | FIN TUBE HEAT EXCHANGER - A fin tube heat exchanger | 07-12-2012 |
| 20120175100 | Structure and Apparatus for Cooling Integrated Circuits Using Copper Microchannels - A cooler having a unitary construction including a channel portion including a plurality of fins on a base, the plurality of fins defining a plurality of microchannels therebetween, a tapered opening formed in a set of the plurality of fins, a manifold portion disposed on an edge portion of the base, the manifold portion including an inlet port and an outlet port disposed above the tapered opening in the plurality of fins, and a separator sheet including at least two elongated openings disposed between the channel portion and the manifold portion. | 07-12-2012 |
| 20120175099 | RADIAL HEAT SINK DEVICE - A radial heat sink device includes a central heat conduction member, a plurality of heat sink fins and at least one curved heat conduction pipe. The plurality of heat sink fins are radially disposed around the central heat conduction member and each has a portion connected to an outer peripheral wall of the central heat conduction member. Each of the heat sink fins has a recess disposed at an upper end or a lower end thereof. The curved heat conduction pipe is tightly connected to the bottom of central heat conduction member and flush with the bottom of central heat conduction member and positioned in the recess of each of the heat sink fins. The radial heat sink device has the at least one heat conduction pipe which is flush with the bottom of the central heat conduction member to contact with the heat source. | 07-12-2012 |
| 20090120629 | Variable heat flux heat exchangers - A system for heat exchange is provided in which process material flows through a heat exchanger comprising multiple heat transfer stages and the heating and or cooling power applied to each stage can be modified independently. The system comprises a unitary heat exchanger comprising a heat transfer surface comprising a plurality of elements or zones over which a process material can flow wherein each element or zone has independent means to set or control the level of heating or cooling within that zone. | 05-14-2009 |
| 20120205085 | OIL COOLER - In an oil cooler, oil flow inlet and oil flow outlet are respectively opened on the laminated core itself at overlapped parts of a laminated core, the laminated core constituting a heat exchanger, and a base plate, with respect to at least one of the oil flow inlet and the oil flow outlet, a corresponding oil flow input or oil flow output port being formed on the base plate to be offset toward an outside of a projection configuration region of the laminated core and an oil passage is extended within the base plate to bridge over both of inside and outside of the projection configuration region of the laminated core to connect at least one of the oil flow inlet and the oil flow outlet to the corresponding oil flow input port of the base plate or oil flow output port of the base plate. | 08-16-2012 |
| 20130087318 | HEAT EXCHANGER - In a heat exchanger in which a number of V-shaped convex portions are arranged in parallel at a surface of a fin, one of a pair of inclined convex portions forming a V-shape is arranged to be inclined to a plus side by an angle a relative to a circulation direction of a gas at a first plane of a fin, the other is arranged to be inclined to a minus side by an angle b, and both of them are arranged by asymmetric angles in a left and right direction, and at a second plane opposed to the first plane, the angles which are asymmetric in the left and right direction are made to be reverse to those of the first plane relative to the circulation direction of the gas. | 04-11-2013 |
| 20090308583 | METHOD AND SYSTEM FOR MANUFACTURING TUBE AND FIN HEAT EXCHANGER WITH REDUCED TUBE DIAMETER, AND PRODUCT PRODUCED THEREBY - According to a preferred embodiment, an improved method and apparatus for manufacturing tube and fin heat exchangers that includes a step for reducing the outer diameter of stock tubing to a value well below nominal prior to bending the tubing into hairpins. The reduced diameter increases the stiffness of the resultant hairpins and allows for efficient lacing of the heat exchanger fins and end plates. The method uses pre-size rollers that are adjustable for reducing the diameter of the tubing. The invention also includes a hairpin and heat exchanger manufactured according to the method. | 12-17-2009 |
| 20130056191 | METHOD FOR EXTRACTING HEAT FROM AN EFFLUENT FLOWING IN A DUCT, HEAT EXCHANGER AND SYSTEM FOR CARRYING OUT SUCH A METHOD - Method for extracting heat from an effluent flowing in a duct ( | 03-07-2013 |
| 20130098591 | ALUMINUM FIN AND TUBE HEAT EXCHANGER - A heat exchanger ( | 04-25-2013 |
| 20090242184 | Spiral Tube Fin Heat Exchanger - It is an object to provide a finned tube type heat exchanger (spiral tube fin heat exchanger) capable of having a reduced size and having an increased heat exchange efficiency and, therefore, an increased performance. A spiral tube fin heat exchanger includes a plurality of heat transfer tubes that allow a heat exchanging object to flow therein and each including a radially-extending tube fin on an outer peripheral surface thereof, the plurality of heat transfer tubes being arranged to be oriented in an identical direction, wherein the tube fin has a spiral shape and has a spiral axis being coincident with a center axis of each of the heat transfer tubes, and the plurality of heat transfer tubes are arranged such that tip ends of tube fin portions in one of adjacent heat transfer tubes intrude between tube fin portions in the other one of adjacent heat transfer tubes. | 10-01-2009 |
| 20130118724 | HEAT EXCHANGER - A heat exchanger wherein the pipe member is formed in a single stage to reduce the height of the heat exchanger in the thickness direction to enable the heat exchanger to be mounted below the floor of an automobile and wherein the pipe member is prevented from being broken. The heat exchanger includes: fin members formed as corrugated fins and having engagement recesses formed in curved sections; and a pipe member formed by connecting straight pipe sections by U-shaped bend sections, the straight pipe sections being arranged by means of the fin members. | 05-16-2013 |
| 20100252246 | HEAT EXCHANGER AND AIR CONDITIONER HAVING THE SAME AND MANUFACTURING PROCESS OF THE SAME - A heat exchanger is provided. The heat exchanger includes a plurality of aluminum tubes formed of aluminum, each of the aluminum tubes including a plurality of grooves that are formed on an inner circumferential surface of each of the aluminum tubes and that extend along a longitudinal direction of the aluminum tubes; and a plurality of heat transfer fins coupled to the aluminum tubes. The heat exchanger may contribute to the reduction of the manufacturing cost, may provide high heat transfer performance and may prevent a coolant leak. | 10-07-2010 |
| 20110277977 | HEAT-DISSIPATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a heat-dissipating device and a method for manufacturing the same. The heat-dissipating device includes a heat sink and a heat pipe. The heat sink has an end surface provided with a groove. The heat pipe is received in the groove. The heat pipe has a heat-absorbing surface and a heat-conducting surface. The heat-conducting surface is adhered to the inner edge of the groove. The heat-absorbing surface is in flush with the end surface. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof. | 11-17-2011 |
| 20120024511 | Intercooler - An inner fin arranged in a flat tube has a wave shape constructed by alternately connecting first walls and second walls. The first wall connects two of the second walls in a connecting direction. The first wall has a protrusion with an extending dimension in the connecting direction and a protruding dimension protruding from the first wall. A ratio of the extending dimension to a height dimension of the first wall is defined as a length ratio x/Fh, and a ratio of the protruding dimension to a width dimension of the second wall is defined as a protrusion ratio y/Fw. The ratios x/Fh, y/Fw are set to have values having a predetermined relationship. | 02-02-2012 |
| 20110192584 | Heat exchanger - A heat exchanger includes a plurality of tubes and a plurality of projection portions. Each of the plurality of tubes has a flat cross section that is taken along a plane perpendicular to a tube longitudinal direction. The plurality of projection portions is formed on an inner wall of each of the plurality of tubes and is arranged in the tube longitudinal direction. Each projection portion projects from the inner wall in a tube short-side direction that extends along a transverse axis of the cross section. The projection portion has a curved surface part on a surface thereof. The projection portion has an elongated shape when observed in the tube short-side direction. The projection portion is angled relative to a tube long-side direction, which extends along a longitudinal axis of the cross section, in a manner similar to each other. | 08-11-2011 |
| 20110168373 | FIN FOR HEAT EXCHANGER AND HEAT EXCHANGER HAVING THE SAME - A fin for a heat exchanger is provided that may include a fin body having a first heat exchange area, and a second heat exchange area, which is disposed to be adjacent to the first heat exchange area; a fin collar that passes through the fin body and protrudes from the fin body; and a plurality of fin portions formed at or on the fin body and having different shapes from each other. | 07-14-2011 |
| 20100089562 | HEAT EXCHANGER - The heat exchanger includes heat transfer tubes | 04-15-2010 |
| 20090166020 | AUTOMOTIVE HEAT EXCHANGER ASSEMBLIES HAVING INTERNAL FINS AND METHODS OF MAKING THE SAME - The present disclosure relates to automotive heat exchanger assemblies that may withstand high environmental temperature and pressures conditions. By providing a tube strengthener into the tubes at the areas of highest stress, the heat exchanger assembly may be strengthened so that it is substantially more efficient under typical operating conditions. | 07-02-2009 |
| 20080289808 | HEAT EXCHANGER CORE TUBE FOR INCREASED CORE THICKNESS - A heat exchanger core tube having a body with at least one internal fluid passage and having at least one end adapted such that an effective height results that is less than or equal to the inside diameter of a manifold and can allow the body of the core tube to have a height greater than the inside diameter of the manifold. The at least one adapted end may comprise an adapter and may be twisted such that the longitudinal axis of a core tube remains substantially normal to the longitudinal axis of the manifold and wherein the end of the core tube is angled less than 90 degrees with respect to the tube body. | 11-27-2008 |
| 20110203782 | HEAT EXCHANGER FINS, ASSEMBLIES AND METHODS - A bladed heat exchanger fin, tube assemblies in which the fin is installed, and methods of using the fin. The bladed fin includes a collar and a radial portion extending radially from an axis of the collar. The radial portion has a base region adjacent the collar and first and second sets of blades that radially extend therefrom. Each blade has a span-wise axis that is transverse to the axis of the collar. Each of the first set of blades is revolved about the span-wise axis thereof so as to have radial edges that are axially spaced from each other, and each of the second set of blades is not revolved about the span-wise axis thereof. At least some of the blades of the first set are between at least some of the blades of the second set. | 08-25-2011 |
| 20120267088 | MULTI-CHANNEL FLAT-TUBE SERPENTINE HEAT EXCHANGER AND HEAT EXCHANGE APPARATUS - The present invention relates to a multi-channel flat-tube serpentine heat exchanger and a heat exchange apparatus. The heat exchanger includes a flat pipe, a fin set and a divider assembly. The flat pipe has bending sections and connecting sections. The flat pipe is filled with a working fluid and has channels. The fin set is connected between the connecting sections to increase heat-exchange area of the flat pipe. The divider assembly is connected to the flat pipe to divide the flat pipe into a heat-absorbing region and a heat-releasing region. The working fluid in the heat-absorbing region absorbs heat to evaporate and then flows into the heat-releasing region along the channels. The evaporated working fluid condenses in the heat-releasing region to flow back to the heat-absorbing region along the channels by means of gravity. Therefore, the present invention has a reduced production cost and an increased heat-exchange efficiency. | 10-25-2012 |
| 20080245519 | Heat Exchanger Having a Vacuum Tube - A heat exchanger comprises a vacuum tube with an outer wall. An inner tube can be filled with a heat-conducting fluid. The outer wall of the inner tube is situated concentric to a wall of the vacuum tube. At least one heat-conducting film is provided that joins said wall of the vacuum tube to the fluid-conducting tube system. A means which collects and concentrates solar energy is provided on the wall on the side of the vacuum tube facing away from the heat-conducting element. In addition, each heat-conducting element, while being pretensioned, presses against the wall of the vacuum tube and against the fluid-conducting tube system. | 10-09-2008 |
| 20080264623 | OVENS, FINGER DUCTS THEREFOR, AND METHODS FOR DISTRIBUTING AIR IN A FINGER DUCT - The present invention is directed to ovens for heat treating products and may include food preparation ovens for preparing pizza and similar types of food products. The oven include finger ducts having longitudinally-extending staggered angled air deflectors to aid in distribution of the heated air into the oven. | 10-30-2008 |
| 20090260792 | TUBE WITH FINS HAVING WINGS - Fins are formed monolithically from the material of a tube body. The fins extend from the tube body outer surface, and include a fin base and a fin top. Wings extending from a fin side surface between the fin base and fin top can produce upper and lower channels between adjacent fins. Depressions can be formed in the fin top with platforms below the depressions. The tube can also include helical ridges on an inner surface of the tube. The tubes are used for heat transfer, and can be included in shell and tube heat exchangers. | 10-22-2009 |
| 20110220337 | HEAT EXCHANGER - Heat exchanger, comprising a plurality of heat exchanger plateshaving a corrugated pattern, a front cover plate and a rear cover plate, where the heat exchanger plates are fixedly attached to each other and to the front cover plate and the rear cover plate, and where the front and/or rear cover plate comprises a plurality of connection ports, wherein a connection port in a cover plate comprise an outwardly extending collar shaped from the same material as the cover plate. The advantage of this heat exchanger is that the manufacturing process is more effective and that only one variant of the heat exchanger must be stocked. | 09-15-2011 |
| 20100193170 | Heat exchanger tube and method for producing it - The invention relates to a heat exchanger tube with a tube axis and with a tube wall having a tube outside and a tube inside, axially parallel or helically encircling inner ribs, with a groove which lies in each case between adjacent inner ribs, being formed from the tube wall on the tube inside, the helix angle, measured with respect to the tube axis, of the inner ribs being smaller than or equal to 45°, the region of the inner ribs which is remote from the tube wall being deformed at regular intervals asymmetrically on one side essentially in the tube circumferential direction, the deformed material of the inner ribs forming protrusions above the groove, the protrusions extending in each case over a finite deformation zone along an inner rib, the markedness of the deformation changing continuously within the deformation zone, the deformation being marked to a greater extent in the middle of the deformation zone then at the margins, and cavities which assist the formation of bubbles being located between the groove bottom, the sides of the inner ribs and the protrusions formed. | 08-05-2010 |
| 20110226457 | CONDENSATION ENHANCEMENT HEAT TRANSFER PIPE - A condensation enhancement heat transfer pipe includes an optical pipe section, a fin section, and a transition section connecting the optical pipe section and the fin section. The outer surface of the fin section is provided with a plurality of individual fins, each of the individual fins has an acute shape of zigzag and forms an angle relative to the axial direction, an axial fin channel forms between the two adjacent ones of said individual fins along the axial direction, a peripheral fin channel forms between the two adjacent ones of said individual fins along the peripheral direction, an end, which is distributed along said axial direction, of each of said individual fins includes platforms, the fin side walls are connected with the platform by an arc, and the platforms are parallel to each other along the peripheral direction. The platform on the fin increases the heat transfer area of the sidewall, and the fin and the platform cause liquid film to flow through several turnings so as to reduce the thickness of the condensation liquid film to decrease the heat transfer resistance. The arc connection between the fin sidewall and the platform facilitates condensation liquid flow. Under the surface tension, the liquid film can flow quickly downward, thus the enhancement of the heat transfer property is maximized. | 09-22-2011 |
| 20090242183 | COMPRESSION ROLLER, APPARATUS FOR MANUFACTURING HEAT EXCHANGER TUBE HAVING THE SAME AND HEAT EXCHANGER TUBE - An apparatus for manufacturing a heat exchanger tube includes an extruding means for extruding an aluminum preform in the shape of a tube; and a pair of compression rollers, each provided above and below the aluminum tube for compressing a central portion of the aluminum tube in the lengthwise direction of the aluminum tube, and having a disc-like shape. | 10-01-2009 |
| 20110139428 | HEAT EXCHANGER - A heat exchanger includes a plurality of flat tubes and at least one wavily folded fin disposed between a pair of the flat tubes. The fin includes a heat transfer portion having a folded portion joined to a planar portion of each of the pair of flat tubes, and a cut-and-raised portion. The cut-and-raised portion is formed by raising a periphery of a cutting line segment when a material of the fin is wavily folded. The cutting line segment is set in a vicinity of a hypothetical center line of the folded portion before the material of the fin is wavily folded. The cutting line segment is formed by a combination of cutting line segments intersecting with the hypothetical center line, or a combination of a cutting line segment intersecting with the hypothetical center line and a cutting line segment displaced with respect to the hypothetical center line. | 06-16-2011 |
| 20110139427 | Heat dissipation device - A heat dissipation device is that at least one rigidly heat-conducting material is disposed to a base of a heat dissipation fin set and extended among heat dissipation fins. At least one flexible superconductor passes through the heat dissipation fins. One end of the flexible superconductor is welded with the rigidly heat-conducting material. A fluid is filled within a flexible tube body of the flexible superconductor and can play a role of rapidly transporting mass of heat in a condition of unchanged temperature to improve the heat conduction efficiency of the heat dissipation fins. | 06-16-2011 |
| 20090260793 | LONG-ACTING HEAT PIPE AND CORRESPONDING MANUFACTURING METHOD - A heat pipe includes a metal tube, a heat-absorption part, a capillary and working fluid. The metal tube has a chamber formed therein. A vapor channel and a liquid channel communicated with the vapor channel are formed in the chamber. The heat-absorption part is formed on the metal tube and corresponds to a portion of the vapor channel and the liquid channel. The capillary is arranged in the vapor channel and the liquid channel of the heat-absorption part. The working fluid is filled in the chamber. | 10-22-2009 |
| 20100147502 | HEAT DISSIPATION DEVICE WITH HEAT PIPE - A heat dissipation device includes a heat pipe. The heat pipe includes an evaporating section connecting with a heat spreader, a condensing section connecting with a fin assembly, and a connecting section interconnecting the evaporating section and the condensing section. The evaporating section of the heat pipe has a diameter smaller than that of the condensing section. | 06-17-2010 |
| 20100175863 | Heat Exchange Insert For A Heat-Exchange Device - The invention relates to a heat transfer fin ( | 07-15-2010 |
| 20120103587 | Heat exchanger - A heat exchanger includes a refrigerant pipe in which a refrigerant flows and a heat exchanger fin coupled to the outer circumference of the refrigerant pipe. The heat exchanger fin includes a plate, a protrusion protruding from the plate, slits disposed at opposite sides of the protrusion to guide air to the protrusion, and a louver unit provided at the protrusion to perform heat exchange with the air having passed through the slits. | 05-03-2012 |
| 20100155041 | HEAT EXCHANGER COMPRISING TUBES WITH GROOVED FINS - Tube heat exchanger comprising finned tubes, wherein the tubes extend in a certain axial direction and are provided with heat exchange fins. Each fin has a heat exchange surface surrounding a tube that extends in a certain radial direction in relation to the tube and which is relief structured to form grooves spaced apart from one another in said radial direction. The grooves of a fin have different dimensions that decrease on moving away from the tube in said radial direction so as to form a guide for a fluid around the tube. | 06-24-2010 |
| 20100193171 | PRODUCTION METHOD OF INTERNALLY RIBBED STEEL TUBE AND THE INTERNALLY RIBBED STEEL TUBE - There is provided a production method of an internally ribbed steel tube, capable of forming spiral ribs stably so as to reduce troubles at the time of cold drawing for forming the spiral ribs of the steel tube. In this production method, the spiral ribs can be formed stably so as to reduce troubles at the time of cold drawing for forming the spiral ribs by straightening bends of a blank tube before the cold drawing for forming the spiral ribs, by optimizing the direction of the spiral rib formation after the bend straightening, and by correcting the drawing schedule depending on the blank tube. The obtained internally ribbed steel tube is well applicable to an increased capacity and a higher temperature/higher pressure operation of a boiler because the steel tube is provided with high formability and excellent quality as a boiler steel tube. | 08-05-2010 |
| 20100276133 | RESIN HEAT EXCHANGER UNIT, METHOD FOR MANUFACTURING THE RESIN HEAT EXCHANGER UNIT, AND HEAT EXCHANGER - In a resin heat exchanger unit, a resin pipe having straight portions and curved portions and a plurality of resin fins are integrally molded and there can be realized high reliability, high heat exchange efficiency, and a simple manufacturing process. | 11-04-2010 |
| 20100252247 | Heat Transfer Device And Method - Heat transfer devices and methods of making such devices are disclosed. One such device is a fin having a primary texture and a secondary texture, wherein each texture has an average amplitude. The amplitude is an elevation change from a peak of the texture to an adjacent valley. The average amplitude of the secondary texture is between 1% and 90% of the average amplitude of the primary texture. Such a fin may have holes, some of which may be used to accommodate tubes passing through the fin. | 10-07-2010 |
| 20100252245 | Nano-particle wave heat pipe - A heat transfer tube includes a container, a cavity within the container, a substantially homogeneous nanoparticle powder located within the cavity, and a gas. The cavity is in a partial vacuum state. The nanoparticle powder includes a material in a solid state capable of substantially freely emitted and reabsorbing a gas as a function of temperature, such as a hydrate, hydride, or other material. | 10-07-2010 |
| 20100000726 | HEAT EXCHANGER - A heat exchanger is provided. The heat exchanger includes at least one fin provided with a plurality of slits and a plurality of refrigerant tubes penetrating the fin. The refrigerant tubes include at least one front line tube and at least one rear line tube having a different diameter from the front line tube with reference to a fluid flow direction. The slits include at least one front line slit and at least one rear line slit having a difference width with reference to the fluid flow direction. | 01-07-2010 |
| 20090321059 | HEAT EXCHANGER, AIR CONDITIONING APPARATUS, AND METHOD FOR MANUFACTURING HEAT EXCHANGER - The present invention provides a heat exchanger, an air conditioning apparatus, and a method for manufacturing the heat exchanger capable of reducing the scattering of condensate water from curved portions to the downstream side in the direction of airflow. An indoor heat exchanger includes lower fins and upper fins. The upper fins are inclined in the direction of the airflow at an angle formed between the longitudinal axis of the upper fins and the vertical direction, the range of the angle being equal to or greater than the range of an angle formed between the longitudinal axis of the lower fins and the vertical direction, and the upper fins are disposed adjacent to top ends of the lower fins. The upper fins have curved portions that are curved in proximity to the portions bordering the top ends of the lower fins on the downstream side in the airflow direction F. | 12-31-2009 |
| 20110247794 | FLATTENED TUBES FOR USE IN HEAT EXCHANGERS AND OTHER SYSTEMS, AND ASSOCIATED METHODS OF MANUFACTURE AND USE - Flattened tubes for use in heat exchangers and other systems and associated methods of manufacture and use are described herein. In one embodiment, for example, a method of manufacturing a flattened tube for use in a heat exchanger includes forming a plurality of generally parallel ridges on an internal surface of a generally round tube. The tube can be radially compressed into a generally oblong cross-sectional shape. Individual ridges can be spot welded together at contact points to form a plurality of fluid channels. The ridges can be formed in a generally helical path on the internal surface of the tube. Selected ridges can extend further from the internal surface than other ridges. | 10-13-2011 |
| 20100294473 | Tube for heat exchanger and method for manufacturing the same - A tube for a heat exchanger includes a tube main body ( | 11-25-2010 |
| 20100307728 | HEAT DISSIPATION DEVICE - A heat dissipation device for removing heat from heat-generating components includes a fin unit. The fin unit includes a plurality of fins stacked together. Each fin is wave-shaped in profile and comprises a plurality of wave crests and wave troughs alternately arranged with each other. The wave crests of one of the fins respectively engage the wave troughs of a neighboring upper one of the fins. The wave troughs of the one of the fins are separated from and located below the corresponding wave crests of the upper one of the fins. | 12-09-2010 |
| 20120145373 | FIRETUBE HAVING THERMAL CONDUCTING PASSAGEWAYS - A firetube is immersed in a fluid to be heated and transfers heat from hot gases flowing through the firetube to the fluid surrounding the firetube. The firetube has a plurality of thermally conductive passageways which extend through the firetube for increasing the surface area available for heat transfer. Fluid is conducted through the passageways by a thermosiphon effect resulting from a temperature differential in the vessel, the fluid below the firetube being cooler and denser than fluid above the heat exchanger. | 06-14-2012 |
| 20100218925 | EVAPORATOR FINS IN CONTACT WITH END BRACKET - A refrigerator is provided with an evaporator assembly located in a compartment. The evaporator assembly includes a pipe, a fan assembly, a plurality of fins, a first and second bracket. The pipe is configured to transport a refrigerant that exchanges heat with an air stream from the compartment. The plurality of fins is inserted on the pipe. The brackets each include apertures to receive bent end portions of the pipe. The brackets are configured to hold the pipe and the fins in a specific position, to mount the evaporator assembly within the compartment, and restrict the air stream exiting the evaporator assembly from mixing with the air stream entering the evaporator assembly. The fins include end fins that are placed in direct contact with the first end bracket and are configured to further restrict the air stream from flowing through the plurality of apertures of the brackets. | 09-02-2010 |
| 20110061846 | Method of producing a very light weight finned tube heat exchanger - A method and apparatus for producing a finned tube comprises the step of securing a tube to a tube clamping device. The method also comprises the step of arranging a plurality of cutters within the cutter head, wherein the cutters rotate with the cutter head. The method also comprises a step of moving the cutter heads into position around the tube and rotating the cutters around an outside surface of the tube in order to cut fins, via the removal of material, into the outside surface of the tube. The removal of the material also will allow for a very thin inner wall to be arranged underneath the fins being cut therein. This methodology will allow for a very light weight, thermally efficient finned tube to be used to produce a heat exchanger for use in turbine engines or the like. | 03-17-2011 |
| 20090218086 | HEAT EXCHANGER FOR A ROCKET ENGINE - A cylindrical rocket engine exhaust duct has a liner that fits inside an outer jacket. The outer periphery of the liner has circumferentially spaced ribs defining a sinuous path for a fluid to be heated. The liner has a least one, preferably several, transverse fins with internal serpentine passages for carrying the fluid to be heated through the fins. The fluid to be heated is directed around the periphery of the liner (between the liner and the jacket), and consecutively through the separate fins, along sinuous and serpentine paths for heating of the fluid by heat transfer from the exhaust gas of the rocket engine. | 09-03-2009 |
| 20100038064 | Reinforced Thermal Module Structure - A reinforced thermal module structure includes a radiating fin assembly, a radiating base, and at least one heat pipe. The radiating fin assembly consists of a plurality of stacked and spaced radiating fins, each of which has at least two notches. The heat pipe includes a conducting section in contact with the radiating base, and a heat-dissipating section extended through the radiating fin assembly to connect thereto. The radiating base has at least two support arms for correspondingly engaging with the at least two notches on the radiating fins. The support arms help in enhancing the structural strength, heat conducting efficiency, and heat-dissipating effect of the thermal module structure. | 02-18-2010 |
| 20110146963 | Heat exchanger tube and methods for producing a heat exchanger tube - The invention relates to a heat exchanger tube with a tube axis, with a tube wall, with a tube outside and with a tube inside. Continuously running, axially parallel or helically circling inner ribs are formed out of the tube wall on the tube inside, each inner rib having two rib flanks and a rib tip. A continuously extending groove is formed in each case between adjacent inner ribs. The rib tip has at regular intervals recurring elevations which have an essentially frustopyramidal form. In the solution according to the invention, the rib flanks of the inner ribs are raised in the radial direction on the contour line which is defined by the transitional edge of a rib flank to the rib tip, in that protuberances advancing out of the rib flank are formed in this region. Furthermore, the invention relates to a method for producing a heat exchanger tube. | 06-23-2011 |
| 20110036551 | Louvered Plate Fin - A fin has a substantially flat base plane with a first side facing a first direction and a second side facing a second direction. The fin also has a first louver with a leading edge closer to the base plane and a trailing edge offset from the base plane in the first direction, a second louver located at least partially downstream of the first louver, with a leading edge offset from the base plane in the second direction and a trailing edge offset from the base plane in the first direction, and a third louver located at least partially downstream of the second louver, the third louver having a leading edge offset from the base plane in the second direction and a trailing edge closer to the base plane than the third louver leading edge. | 02-17-2011 |
| 20080196876 | FINNED TUBE FOR CONDENSATION AND EVAPORATION - A finned tube includes channels defined between adjacent fins on the tube body outer surface. Wings extend from side walls of the adjacent fins between the fin top and the fin base such that the wings form a barrier which splits the channel into an upper channel and a lower channel. A plurality of holes penetrate the barrier where the wings meet, so liquids and gases can pass into and out of the enclosed area defined by the lower channel. The wings can include alternating upper wings and lower wings, and there can be depressions formed in the fin top. | 08-21-2008 |
| 20110017440 | HEAT EXCHANGER - A heat exchanger includes a plurality of flat tubes in which a fluid flows, and a plurality of fins each of which is connected to flat surfaces of adjacent tubes to increase a heat exchange area on a side of air flowing outside of the tube. The fin includes a plate portion having a plate surface, and fin protrusions protruding from the plate surface of the plate portion. The fin protrusions are provided to be spaced from the flat surface of the tube by a predetermined distance. A flow resistance portion is provided to protrude from the flat surface of the tube toward outside by a protrusion dimension that is equal to or larger than the predetermined distance. | 01-27-2011 |
| 20100282455 | HEAT EXCHANGER AND MANUFACTURING METHOD OF THE SAME - A heat exchanger is used which has heat transfer tubes acting as flow paths of a refrigerant and metal fins having pores opened inward from the surfaces thereof for adsorbing and desorbing moisture in air within the range of a relative pressure of 0.1 to 0.9 so as to transfer heat of the heat transfer tubes to air, wherein the pores have a diameter of 1 to 20 nm and a depth of 1 to 100 μm. | 11-11-2010 |
| 20110114300 | HEAT EXCHANGER OF UPWARD COMBUSTION TYPE CONDENSING BOILER - A heat exchanger of an upward combustion condensing boiler maximizes latent-heat recovery efficiency by causing the flow direction of exhaust gas to coincide with the flow direction of condensed water in a latent heat exchange unit. The heat exchanger includes a sensible heat exchange unit that absorbs sensible heat generated from an upward combustion burner; a latent heat exchange unit that absorbs latent heat of vapor included in exhaust gas which has been heat-exchanged in the sensible heat exchange unit; and a condensed-water tray that discharges condensed water generated from the latent heat exchange unit. An upward flow of exhaust gas passed through the sensible heat exchange unit is converted into a downward flow that passes through the latent heat exchange unit, and the latent heat exchange unit is installed so that the flow direction of the exhaust gas passing through the latent heat exchange unit vertically coincides with the falling direction of condensed water generated by the latent heat exchange unit. | 05-19-2011 |
| 20110132589 | HEAT EXCHANGER GROOVED TUBE - A heat exchanger grooved tube is made of a copper alloy having a 0.2% proof stress of greater than or equal to 40 N/mm | 06-09-2011 |
| 20110132588 | System and Method for Energy-Saving Inductive Heating of Evaporators and Other Heat-Exchangers - The present invention provides a novel fins-on-tubes type evaporator/heat exchanger system that is optimized for energy-saving inductive heating thereof, for example by way of application of Pulse Electro-Thermal Deicing/Defrosting (PETD) or equivalent technique thereto, by configuring it to increasing its resistance to a value at which the system's reactance at its working frequency is comparable to, or less than, its electrical resistance. Advantageously, the inventive system may be advantageously configured to comprise the same form factor and interface as a conventional fins-on-tubes type evaporator/heat exchanger component, such that the inventive evaporator/heat exchanger system may be readily utilized for replacement thereof. | 06-09-2011 |
| 20110030937 | HEAT TRANSFER UNIT FOR HIGH REYNOLDS NUMBER FLOW - In one aspect, a heat transfer unit is provided for increasing the temperature of process fluids, such as gas-phase fluids, having a Reynolds Number (RE) of at least about 275,000 with a low overall pressure drop and without exceeding the wall temperature limits of the material used to construct the heater. The heater generally includes a heater conduit having the gas-phase fluid flowing therethrough and a heat source, such as a radiant heat source, providing an inconsistent or variable heat flux along a length of the heater conduit where the heat source has a peak heat flux greater than an average heat flux. | 02-10-2011 |
| 20090200005 | ENERGY TRANSFER TUBE APPARATUS, SYSTEMS, AND METHODS - The invention provides an energy transfer tube apparatus in which rotating inner and outer fluid flows are established. The invention also provides systems and methods involving at least one energy transfer tube apparatus of this nature. | 08-13-2009 |
| 20110094722 | LIQUID-COOLED-TYPE COOLING DEVICE - A liquid-cooled-type cooling device includes a casing having a cooling-liquid flow channel. Fins are provided on an inner surface of a top wall of the casing. Each fin has a wavy shape on a horizontal plane perpendicular to a fin height direction. In a left fin of two adjacent fins, lines of intersection between the horizontal plane and right side surfaces of two slant portions connecting two adjacent wave crest portions and a wave trough portion therebetween intersect each other at a first point located on a first straight line. In a right fin, lines of intersection between the horizontal plane and left side surfaces of two slant portions connecting two adjacent wave trough portions and a wave crest portion therebetween intersect each other at a second point located on a second straight line. The first straight line is located on the right fin side of the second straight line. | 04-28-2011 |
| 20110094721 | HEAT EXCHANGER STRUCTURE - A heat exchanger structure includes a pipe and a flow-guiding element. The pipe internally defines a chamber, in which the flow-guiding element is disposed. The flow-guiding element includes a helical main body and a plurality of turbulence promoters radially outward extended from two opposite lateral sides of the helical main body. The turbulence promoters are independently arranged on the helical main body with free ends of the turbulence promoters contacting with an inner wall surface of the chamber, so that a fin cooling effect is produced. The turbulence promoters and the helical main body together define at least one flow-guiding section. With the helically distributed turbulence promoters of the flow-guiding element, the heat transfer ability and the thermal performance factor of both laminar and turbulent flows in the pipe can be increased to provide excellent heat transfer effect. | 04-28-2011 |
| 20110067848 | METHOD FOR PRODUCING A SPLIT LOUVER HEAT EXCHANGER FIN - A method of manufacturing serpentine fins for assembly between tubes in a heat exchanger core. The method includes providing a flat metal strip and forming in the strip, multiple rows of split louvers. Each row of split louvers has louvers formed in pairs of adjacent, spaced louver banks extending across the width of the strip. Each row includes ribs formed in the strip parallel to the louver openings and extending across the pair of louver banks. The metal strip has unformed portions extending across the strip width between rows of split louvers for forming folds across the width of the strip. After forming the rows of split louvers, pressure is applied to the strip to cause the flat strip to buckle along the unformed portions forming folds in the strip resulting in the serpentine fin. Preferably, the strip has ribs formed both in the center portion and along the edges. | 03-24-2011 |
| 20090114380 | SPIRAL FLAT-TUBE HEAT EXCHANGER - A spiral flat tube heat exchanger comprising a first flat tube and a second flat tube thermally coupled to the first flat tube, the first flat tube and the second flat tube forming substantially concentric spirals. A first fluid flows through the first flat tube in a first flow direction, and second fluid flows through the second flat tube in a second flow direction. The flat tubes preferably contain microchannels to increase heat transfer efficiency. | 05-07-2009 |
| 20110000657 | EXTRUDED TUBE FOR A HEAT EXCHANGER - An extruded tube for a heat exchanger is provided that includes two at least approximately parallel outer side walls that extend in a longitudinal direction and a transverse direction of the extruded tube and that are connected by two outer narrow sides in a vertical direction of the extruded tube, wherein at least one continuous web extends between the side walls in the longitudinal direction and in the vertical direction and separates at least two ducts of the extruded tube, and wherein at least one of the outer side walls has embossings that serve to form both bulged portions that project into the ducts of the side walls and also bulged portions that extend substantially in the transverse direction of the web, wherein the bulged portions of the at least one web have a controlled orientation with respect to the transverse direction. | 01-06-2011 |
| 20120205086 | HEAT EXCHANGER - An inner fin is provided in a fluid pipe for dividing a fluid passage for heating medium into multiple small fluid passages, so as to facilitate heat exchange between the heating medium and an electronic part. The inner fin is formed in a wave shape in a cross section perpendicular to a flow direction of the heating medium, wherein the inner fin has projecting portions alternately projecting in one direction and in the other direction. The inner fin is composed of multiple fin portions, wherein a fin pitch of a first fin portion is made to be smaller than a fin pitch of a second fin portion, which faces to the electronic part. | 08-16-2012 |
| 20120205087 | ONE-PIECE FINTUBE SOLAR HEATING ELEMENT - A fintube includes a body having a first fin, a second fin and a tube section. A first overlap fold is provided between the first fin and the tube section. The first overlap fold includes an open groove. A second overlap fold is provided between the second fin and the tube section. A seam includes a second overlap fold received and held in the groove of the first overlap fold. Methods for making a fintube are also disclosed. | 08-16-2012 |
| 20120205084 | HEAT SINK MODULE - A heat sink module includes at least one heat conduction base, at least one heat conduction pipe and a fin heat sink. The heat conduction base has a recess and at least one engaging protrusion on the recess. The heat conduction pipe has a heat absorption end and a heat dissipation end. The heat absorption end is attached to the recess of the heat conduction base and engaged with the engaging protrusion. The heat dissipation end is coupled to the fin heat sink. The fin heat sink is composed of a plurality of fins which are disposed side by side and connected by the heat dissipation end of the heat conduction pipe. The fin heat sink has an engaging groove for engagement of a curved section of a fixing plate of a heat dissipation fan. The heat dissipation fan can be quickly coupled to the fin heat sink, simplifying the assembly of the heat sink module. | 08-16-2012 |
| 20120111550 | EBULLIENT COOLING DEVICE - An ebullient cooling device having a simple structure and capable of limiting the bubbles to an appropriate volume. The ebullient cooling device for cooling a heat generating element is provided with a plurality of vertically arranged cooling channels comprising a lower channel ( | 05-10-2012 |
| 20120055661 | High temperature thermal energy storage system - High temperature thermal energy storage system comprised of solid-liquid phase change material that is fully encapsulated in helically grooved, sealed, thin-wall, metal tubes. Multitude of horizontally oriented, pressure-rated steam pipes or vessels filled with PCM tube capsules form a battery of thermal storage system. The steam pipes in the battery are connected through a common liquid-side distribution header system and a common steam-side distribution header system. Multitude of steam pipes stacked up to fill a block-shaped container space. This insulated enclosure provides the basis for simple fabrication, transport and filed-erection and forms the basic building block for a modular thermal storage system. | 03-08-2012 |
| 20120111551 | FINNED TUBE FOR EVAPORATION AND CONDENSATION - A finned tube includes channels defined between adjacent fins on the tube body outer surface. Wings extend from side walls of the adjacent fins between the fin top and the fin base such that the wings form a barrier which splits the channel into an upper channel and a lower channel. A plurality of holes penetrate the barrier where the wings meet, so liquids and gases can pass into and out of the enclosed area defined by the lower channel. The wings can include alternating upper wings and lower wings, and there can be depressions formed in the fin top. | 05-10-2012 |
| 20090166019 | Double-wall-tube heat exchanger - A double-wall-tube heat exchanger has an outer tube, and an inner tube disposed concentrically in and spaced apart from the outer tube. A clearance between the outer tube and the inner tube and the interior of the inner tube serve as respective refrigerant flow paths. The inner tube has a plurality of interior fins formed on its inner circumferential surface. The interior fins project radially inward; extend in a longitudinal direction of the inner tube; and are arranged at circumferential intervals. The inner tube has a plurality of elongated projections formed on its outer circumferential surface. The elongated projections project radially outward; extend in the longitudinal direction; and are arranged at circumferential intervals. The interior fins are greater in height than the elongated projections. The double-wall-tube heat exchanger exhibits excellent heat exchange performance. | 07-02-2009 |
| 20120247743 | HEAT SINK, AND HEAT SINK-EQUIPPED ELECTRONIC COMPONENT PART - A heat sink includes a flow path through which a cooling medium that cools a heat-producing body flows, the flow path having two flow path wall surfaces that face each other; and a plurality of columnar fins provided on one of the flow path wall surfaces, which is positioned at a side where the heat-producing body is provided, the plurality of columnar fins including a long columnar fin and a short columnar fin, and the other of the flow path wall surfaces having a recess in which a distal end portion of the long columnar fin is inserted. | 10-04-2012 |
| 20100288480 | Metallic heat exchanger tube - The invention relates to a metallic heat exchanger tube ( | 11-18-2010 |
| 20110180245 | Heat exchanger - It is known that corrugated plate heat exchangers can have good thermal and hydraulic performance but limitations with regard to operational pressures whilst conventional tube type heat exchangers can achieve high pressure operation but can have high flow pressure losses due to the configuration of such tubes. By arranging a tube stack comprising respective tubes | 07-28-2011 |
| 20120222849 | Oil-Cooling Tube - An oil-cooling tube comprises a set of aluminum-alloy hollow inner and outer tubes with a heat sink having multiple heat-dissipating pores disposed thereon laminated there-between. Via tube-expanding process, the inner tube is integrally bonded with the outer tube and the heat sink to form a lighter-weight oil cooling tube. Aluminum-alloy screw seats can have welding-joint portions respectively brazed to bores drilled at upper end sections of the outer tube to communicate hollow coupling ends with the bores, forming a set of oil-inlet and oil-outlet vents to which a set of oil-inlet and oil-outlet ducts are fluidly connected. The end caps, having ringed sections to be brazed to the conjoining end edges of the inner and outer tubes, can seal and enclose the inner and outer tubes to form an oil-reflux circuit therein, completing the oil-cooling tube with heat-dissipating capability to reduce the processing steps and the cost of material thereby. | 09-06-2012 |
| 20120186798 | COOLING MODULE FOR LED LAMP - A cooling module for an LED lamp includes a thermostatic plate, a hollow column, and a plurality of cooling fins. The thermostatic plate has an evaporating segment and a pair of condensing segments extending from the evaporating segment. The outer surface of the hollow column has a pair of grooves corresponding to each other. The condensing segments of the thermostatic plate are buried in the grooves. The cooling fins surround and thermally contact the outer rim of the hollow column and the condensing segments. | 07-26-2012 |
| 20100326643 | Plate Fin With Hybrid Hole Pattern - A fin having a leading edge, a trailing edge opposing the leading edge, and a plurality of leading holes substantially centered along a leading axis. The fin further having a plurality of secondary holes substantially centered along a secondary axis, the secondary axis being substantially parallel to the leading axis and located between the leading axis and the trailing edge, the plurality of secondary holes being located so that the plurality of leading holes and the plurality of secondary holes form a substantially rectangular matrix. The fin further having a plurality of trailing holes substantially centered along a trailing axis, the trailing axis being substantially parallel to at least one of the leading axis and the secondary axis and located between the secondary axis and the trailing edge, each of the plurality of trailing holes being substantially equidistant from the respective two nearest secondary holes. | 12-30-2010 |
| 20110209860 | Heat exchanger arrangement and method for the operation of same - A heat exchanger arrangement is presented having at least one heat exchanger module ( | 09-01-2011 |
| 20110226456 | HEAT DISSIPATION DEVICE - A heat dissipation device has an inlet pipeline, an outlet pipeline, at least one heat-dissipating unit and at least one actuator. Each of the at least one heat-dissipating unit is connected to the inlet pipeline and the outlet pipeline and includes multiple heat-dissipating elements being connected to each other. The at least one actuator is mounted on the inlet pipeline. The heat dissipation device is mounted around a large-sized electronic appliance to absorb and dissipate the heat generated by the large-sized electronic appliance so as to effectively reduce the working temperature of the electronic appliance to normal level. Therefore, the large-sized electronic appliance can work safely and is power-saving and environmental friendly. | 09-22-2011 |
| 20120080174 | HEAT EXCHANGERS FOR AIR CONDITIONING SYSTEMS - In the field of heat exchangers for air conditioning systems there is a need for an improved heat exchanger which provides improved efficiency in terms of overall packaging and performance. A heat exchanger, for use in an air conditioning system of a building, including an elongate fluid conduit which has first and second elongate heat exchange fins extending laterally therefrom. Opposed faces of the first and second fins define an acute angle therebetween. The fluid conduit defines a discrete conduit body, the first fin defines a first fin body, and the second fin defines a second fin body. The conduit body is thermally coupled to at least one of the first and second fin bodies by a discrete heat exchange member. | 04-05-2012 |
| 20100230083 | TUBE HAVING AN INCREASED INTERNAL SURFACE, USED IN FURNACES, MANUFACTURING PROCESS AND APPLICATIONS - A tube used in furnaces includes at least one attached radial bar fastened by welding to the internal face of the wall of the tube. A method of manufacturing such a tube includes at least one electron-beam of laser-beam welding step, in which at least one attached radial bar is welded, from outside the tube, to the internal face of the wall of the tube. The tubes may be used in reforming, steam-cracking or DRI furnaces. | 09-16-2010 |
| 20120279695 | HOLDER FOR PIPE IN HEAT EXCHANGER, METHOD AND DEVICE FOR MANUFACTURING HEAT EXCHANGER USING SAID HOLDER, AND AIR CONDITIONER AND/OR OUTDOOR UNIT HAVING SAID HEAT EXCHANGER - The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe. | 11-08-2012 |
| 20110308780 | HEAT EXCHANGER FOR AN ANNEALING FURNACE FOR EXCHANGING HEAT BETWEEN TWO FLUIDS - The invention relates to a heat exchanger ( | 12-22-2011 |
