Entries |
Document | Title | Date |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20100089562 | HEAT EXCHANGER - The heat exchanger includes heat transfer tubes | 04-15-2010 |
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 |
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 |
20100175863 | Heat Exchange Insert For A Heat-Exchange Device - The invention relates to a heat transfer fin ( | 07-15-2010 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20100288480 | Metallic heat exchanger tube - The invention relates to a metallic heat exchanger tube ( | 11-18-2010 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20110308780 | HEAT EXCHANGER FOR AN ANNEALING FURNACE FOR EXCHANGING HEAT BETWEEN TWO FLUIDS - The invention relates to a heat exchanger ( | 12-22-2011 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20120175101 | FIN TUBE HEAT EXCHANGER - A fin tube heat exchanger | 07-12-2012 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20130098591 | ALUMINUM FIN AND TUBE HEAT EXCHANGER - A heat exchanger ( | 04-25-2013 |
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 |
20130126144 | COOLING JACKET - A cooling jacket for cooling an electric motor is provided. The cooling jacket has one or more than one wave-shaped pipe, covering the electric motor, for conducting working fluid, wherein each wave-shaped pipe has a forwarding portion and a reversed portion, parallel to the axis of the electric motor, for conducting the working fluid to flow in opposite directions, wherein the forwarding portion includes at least two forwarding sub-pipes, and the reversed portion includes at least two reversed sub-pipes; and a turning portion, connected between the forwarding portion and the reversed portion. | 05-23-2013 |
20130175017 | SPIRAL STEEL, APPLICATION PRODUCT OF SAME, AND METHOD FOR MANUFACTURING SPIRAL STEEL - A purpose of the invention is to provide a spiral piece of steel having high mechanical strength and being capable of easily making smaller the pitch intervals of twisted portions (spiral blade portions) even without changing the twist angle, and also to provide an application product thereof and a method for manufacturing the spiral piece of steel. | 07-11-2013 |
20130186608 | HEAT DISSIPATING DEVICE - The instant disclosure relates to a heat dissipating device capable of mounting on at least one heat conducting pipe. The heat dissipating device includes a heat dissipating fin having a main body. At least one through hole is formed on the main body. At least one set of ribs is formed on the main body and around the through hole. A slot is defined between any two adjacent ribs. The through hole of the main body is for insertion of the heat conducting pipe in allowing the ribs to grip resiliently against the heat conducting pipe. Thus, the heat dissipating device of the instant disclosure enables multiple heat dissipating fins to be stacked on the heat conducting pipe in one run. In saving assembly time, the heat dissipating fins need not be mounted on the heat conducting pipe one piece after another. | 07-25-2013 |
20130199764 | REFRIGERANT GUIDING PIPE AND HEAT EXCHANGER HAVING REFRIGERANT GUIDING PIPE - A refrigerant guiding pipe has a pipe wall in which an inner chamber is formed; an opening formed in the pipe wall; and a refrigerant guiding wall portion, at least a part of an edge of the refrigerant guiding wall portion being separated from the pipe wall, thereby forming the opening. The refrigerant guiding pipe can help alleviate generation of non-uniform distribution of refrigerant due to layering of gaseous refrigerant and liquid refrigerant. | 08-08-2013 |
20130199765 | AIR CONDITIONER - To increase a heat exchange capacity of an indoor heat exchanger without increasing a pressure loss inside tubes of an outdoor heat exchanger. A heat exchanger is constituted by an indoor machine equipped with an indoor heat exchanger | 08-08-2013 |
20130199766 | AIR CONDITIONER - To increase a heat exchange capacity of an indoor heat exchanger without increasing a pressure loss inside tubes of an outdoor heat exchanger. A heat exchanger is constituted by an indoor machine equipped with an indoor heat exchanger | 08-08-2013 |
20130206379 | AIR CONDITIONER - To increase a heat exchange capacity of an indoor heat exchanger without increasing a pressure loss inside tubes of an outdoor heat exchanger. A heat exchanger is constituted by an indoor machine equipped with an indoor heat exchanger | 08-15-2013 |
20130220586 | STRENGTHENED TRANSMISSION TUBES FOR FALLING FILM EVAPORATORS - The present invention discloses strengthened heat transmission tubes for falling film evaporators. The tube includes a tube body of the heat transmission tube and fins disposed on an outside surface of a heat transmission section of the tube body. The fins spirally surround the outside surface of the tube body of the heat transmission tube along an axial direction. The roots of the fins are integrally connected with the tube body. Each of the fins has a cross sectional T shape. Interspaces between two neighboring fins along the axial direction of the tube form small holes for coolants flow and evaporation, and form circular shape channels along the spiral direction. Each T shape fin has fin troughs along peripheral direction. The outer surfaces of the fins are disposed with grooves or extrusion lugs that guide coolants flow. Internal tube body is disposed with internal teeth. The present invention satisfies the characteristics of falling film evaporation, can guide coolant flow, and prevent excessive accumulation of coolants on outer walls of the heat transmission tubes. It also ensures the direction of coolants flow downwards and improves heat transmission efficiency of falling film evaporation. | 08-29-2013 |
20130248161 | HEAT DISSIPATION MODULE AND METHOD OF USING THE HEAT DISSIPATION MODULE - A heat dissipation module includes a heat sink. A plurality of grooves are defined in a bottom surface of the heat sink, a heat pipe is accommodated in each groove of the heat sink, and a heat conducting pad made of phase change material is adhered to the bottom surface of the heat sink to cover the grooves and the heat pipes. The heat conducting pad is a solid material at an ambient room temperature. When heated to a temperature higher than a transition temperature of the heat conducting pad, the heat conducting pad softens to fill spaces between the heat conducting pad, the heat sink, and the heat pipes. | 09-26-2013 |
20130284416 | HEAT EXCHANGER AND AIR CONDITIONER - A heat exchanger has a plurality of flat tubes, and a plurality of fins in which the flat tubes are inserted in an orthogonal direction. Each of the fins includes a fin body, and an attachment portion to which the flat tube is attached. The fin body includes an insertion region in which the flat tube is inserted, and an extension region on the downwind side of the insertion region. A spacer configured to keep a space between the fins is formed in each of the insertion region and the extension region by cutting and bending part of the fin. The spacer of the extension region is straight behind the spacer of the insertion region on the downwind side. The spacer of the insertion region is configured such that the spacer body is tilted with respect to an airflow. | 10-31-2013 |
20130299152 | HEAT EXCHANGER AND AIR CONDITIONER - A fin of a heat exchanger includes: a plurality of intermediate plates arranged one above another and dividing a space between adjacent ones of flat tubes into air passages; a plurality of tube insertion portions each provided between vertically adjacent ones of the intermediate plates, with an upwind side thereof being open such that a corresponding one of the flat tubes is inserted therein; a vertically extending downwind plate that is continuous with downwind ends of the plurality of intermediate plates arranged one above another; and a plurality of upwind plates extending further toward an upwind side than the flat tubes from upwind side ends of the intermediate plates. Each of the upwind plates is provided with at least one upwind side heat-transfer portion which projects toward the air passages. | 11-14-2013 |
20130299153 | HEAT EXCHANGER AND AIR CONDITIONER - Each of a plurality of heat-transfer portions has a plurality of protrusions which are protruded toward an air passage and extend in a direction intersecting with an airflow direction. The protrusions are arranged in the airflow direction. | 11-14-2013 |
20130306287 | L-TYPE TURN-FIN TUBE AND TURN-FIN TYPE HEAT EXCHANGER USING THE SAME - Provided is an L-type turn-fin tube including a turn-fin which may provide excellent adhesiveness even with a tube having a small diameter, and a turn-fin type heat exchanger using the L-type turn-fin tube. The L-type turn-fin tube includes the tube and the turn-fin. A refrigerant moves in the tube. The turn-fin includes a base portion that is formed on one side of a bent portion obtained when a part of a groove portion recessed in a longitudinal direction is bent in the longitudinal direction, and a fin portion that is formed on the other side of the bent portion, wherein the base portion is spirally wound around an outer surface of the tube. | 11-21-2013 |
20130306288 | TUBE STRUCTURES FOR HEAT EXCHANGER - A fluid-carrying tube for a heat exchanger includes an outer perimeter, an inner perimeter, and a plurality of ridges extending from the inner perimeter inwardly into an interior of the tube. Each ridge includes a ridge height, a base width and a tip width. A ratio of the ridge height to the base width is between about 0.2 and about 4.0, and a ratio of the tip width to the base width is between about 0.015 and about 0.965. | 11-21-2013 |
20130306289 | HYBRID HORIZONTAL DRAINPIPE HEAT EXCHANGER - A low cost hybrid horizontal drainpipe heat exchanger using a mixture of plastic and copper to reduce cost, the heat exchanger including a conduit which has upper and lower tube segments sealed together along respective longitudinal edges so as to create a tube or a pipe wherein the lower segment is thermally conductive and the upper segment is thermally insulative, the arrangement being such that any drainwater flowing through the drainpipe will flow interiorly on the lower segment for heat exchange purposes. | 11-21-2013 |
20130306290 | HYBRID VERTICAL DRAINPIPE HEAT EXCHANGER - A low-cost hybrid heat exchanger uses sheet copper and rigid plastic tubing. Copper is used only where actual heat transfer takes place, adjacent the drainpipe wall. All other components are plastic to lower cost. It pre-heats fresh cold water using waste heat from the drain such as from a shower drain. The heat exchanger comprises an inner copper conduit or drainpipe, a rolled sheet copper cylinder, an outer plastic tube and manifolds, and O-ring. On assembly, inserting the drainpipe results in the O-ring being compressed between the copper cylinder and the plastic tube. The result is a sealed water chamber wherein heat transfer takes place. The ends of the plastic tube have radially spaced water distribution holes into the chamber and inlet and outlet manifolds, each with water connections to the building's cold water supply. A method of recovering heat from non-shower hot water uses using a separate reservoir is also disclosed. | 11-21-2013 |
20130319645 | OPTIMISED SURFACE FOR FREEZING CYLINDER - A through-flow freezing cylinder is disclosed comprising on its outer surface a set of substantially parallel tangential cooling fins and a set of substantially parallel grooves intersecting the set of cooling fins, preferably at a right angle. | 12-05-2013 |
20130327512 | HEAT EXCHANGER - The invention relates to a heat exchanger comprising a block, which has fins and pipes and which is arranged between two reservoirs, wherein each fin comprises several fin sections and each fin section is approximately V-shaped and the two flanks forming a fin section each have several air slits, which extend perpendicularly to the flow direction of a medium flowing through the fin section, wherein the two flanks of the fin section are connected by means of a first connecting surface and/or the flanks of two consecutive fin sections across from each other are connected by means of a second connecting surface, wherein the first connecting surface and/or the second connecting surface has a fin section cross-section variation element, which is directed into the intermediate space between the flanks forming a fin section and/or the flanks of two consecutive fin sections that are across from each other. | 12-12-2013 |
20130340986 | HEAT EXCHANGER, REFRIGERATOR PROVIDED WITH SAME AND AIR-CONDITIONING APPARATUS PROVIDED WITH THE HEAT EXCHANGER - A fin and tube heat exchanger including a plurality of parallely arranged heat transfer tubes and a plurality of plate-shaped fins provided orthogonally to the heat transfer tubes, each of the heat transfer tubes being in contact with fin collars of the plate-shaped fins, and being inserted along the fin collars. | 12-26-2013 |
20140020877 | HEAT EXCHANGER ELEMENT AND HEAT EXCHANGER - There is provided a heat exchanger element and a heat exchanger which are smaller, lighter in weight, and lower in cost than conventional heat exchange bodies, heat exchangers and the like. In the honeycomb structure, t≧0.2, ρ>100, 20≦t×ρ≦250, and 10,000≦λ×ρ are satisfied when thermal conductivity of a material for the partition walls is taken as λ [W/K˜m], and, regarding a cell structure of the honeycomb structure, a wall thickness of the partition walls is taken as t [mm], and a cell density is taken as ρ [cells/sq.in.]. | 01-23-2014 |
20140041844 | Heat Exchanger Tube, Heat Exchanger Tube Assembly, And Methods Of Making The Same - A tube assembly for use in a heat exchanger includes a flat section with broad and flat opposing tube sides. Fin structures are bonded to the broad and flat tube sides in the flat section, and side sheets are bonded to the opposite ends of the fin structures. The flat section of the tube is located between cylindrical end sections adapted to be inserted into grommets. The construction of the tube assembly provides a stiff structure to survive insertion and removal of tube assemblies to and from a heat exchanger, for example, a radiator for heavy duty equipment. | 02-13-2014 |
20140083668 | HEAT TRANSFER PIPE FOR HEAT EXCHANGER - The invention provides a heat transfer pipe for heat exchanger, an inner surface of the heat transfer pipe being provided alternately with a plurality of helical primary teeth ( | 03-27-2014 |
20140110095 | HEAT-DISSIPATING APPARATUS - A heat-dissipating apparatus has a cooling tube, a tubular conductor and a heat sink. The cooling tube has a body and an inlet and an outlet formed on the periphery of the body and communicating with an inner space of the body. The tubular conductor is mounted in the cooling tube with an outer surface of the tubular conductor engaging the inner rim of each open end to seal the open ends and defining a cooling chamber between the inner wall of the body and the tubular conductor. The heat sink is mounted inside the tubular conductor, and has multiple fins formed by continuously folding a metal sheet in a corrugated and annular form and abutting against an inner wall of the tubular conductor. The heat-dissipating apparatus increases the contact area between the heat sink and the tubular conductor and cooling channels, thereby providing a more satisfactory cooling effect. | 04-24-2014 |
20140116668 | COOLER PIPE AND METHOD OF FORMING - A method of forming a cooler pipe includes filling a cavity of a workpiece with a backing material, roll-forming at least one helical groove along an axial length of the workpiece to define a cooling portion, and removing the backing material from the workpiece to provide a cooler pipe. The backing material may be an aggregate or granular material such as sand, which fills the cavity to provide a supportive force to the workpiece during roll-forming of the groove. The cooling portion of the cooler pipe includes an exterior recess and an interior protrusion defined by the groove which each increase the conductive surface area of the cooling portion relative to the workpiece surface area. The backing material is removable from the cooler pipe and may be recycled for use in forming a subsequent cooler pipe. | 05-01-2014 |
20140124184 | MANUFACTURING METHOD FOR GRIP MEMBER FOR INSERTION TUBE IN HEAT EXCHANGER, MANUFACTURING METHOD FOR HEAT EXCHANGER USING SAID GRIP MEMBER, 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 said 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 said tube-grasping body is connected at its exterior to the guide-pipe. | 05-08-2014 |
20140151007 | Tubing Element With Fins for a Heat Exchanger - A tubing element for a heat exchanger is at least partially a rigid elongated tubing having a first end, a second end, a first side wall and a second side wall. First and second side walls are substantially parallel to each other. The distance between first side wall and second side wall is considerably smaller than the width of first side wall and second side wall, resulting in a substantially overall flat tubing structure with connection walls on both sides. The tubing element has a plurality of fins on at least one of the outer surfaces of the first side wall and/or of the second side wall. Fins define an angle enclosed by the fins and a connection wall. A heat exchanger, use of a tubing element, use of a heat exchanger and method of manufacturing of a tubing element to manufacture at least partially a heat exchanger are included. | 06-05-2014 |
20140151008 | Heat Exchangers - Heat exchanger ( | 06-05-2014 |
20140158333 | HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME - A heat exchanger and a method of manufacturing the same are provided. With the method, a tube may be inserted into a through hole formed in at least one fin coated with a filler metal, and the tube and a fin collar of the at least one fin may be joined through the filler metal by a brazing processing. A flange may not be formed on or at a top of the at least one fin collar, which protrudes vertically from a central longitudinal plane of the at least one fin. The tube may be made of aluminum (Al), and an interval between an outer circumferential surface of the tube and an inner circumferential surface of the fin collar of the at least one fin may be approximately 0.1 mm or less. Accordingly, contact resistance occurring when fabricating a fin-tube heat exchanger using a mechanical tube expansion method may be reduced, and heat transfer performance of the heat exchanger may be improved because grooves formed within the tube may not be deformed. | 06-12-2014 |
20140182829 | Heat Exchanger Tube Assembly and Method of Making the Same - A tube assembly for use in a heat exchanger includes a flat section with broad and flat opposing tube sides. Fin structures are bonded to the broad and flat tube sides in the flat section, and side sheets are bonded to the opposite ends of the fin structures. The flat section of the tube is located between cylindrical end sections adapted to be inserted into grommets. The construction of the tube assembly provides a stiff structure to survive insertion and removal of tube assemblies to and from a heat exchanger, for example, a radiator for heavy duty equipment. | 07-03-2014 |
20140190675 | Heat Exchanger Pipe And Heat Exchanger Incorporating Such Pipes - The invention relates to a pipe ( | 07-10-2014 |
20140202674 | FIN STRUCTURE FOR HEAT EXCHANGER FOR AUTOMOTIVE APPLICATIONS, IN PARTICULAR FOR AGRICULTURAL AND ON-SITE MACHINES - A heat exchanger for heat exchange between air and a heat exchange medium includes a plurality of heat transfer conduits arranged parallel to each other as flow paths for the heat exchange medium and a plurality of fin members. The fin members are configured to provide: an air inlet end for air inflow, an air outlet end for air outflow, and an air flow path. The air flow path connects the air inlet end with the air outlet end and allows a heat exchange with the plurality of heat transfer conduits. Each fin member includes a plurality of undulation troughs coplanar with each other and connected together so as to define a water condensate flow path. Each water condensate flow path has a flat bottom which extends from the air inlet end to the air outlet end. | 07-24-2014 |
20140231059 | HEAT EXCHANGER - A heat exchanger assembly for an inert gas system includes a ram air inlet flange, a ram air outlet flange, and a core coupled to the ram air inlet flange and the ram air outlet flange. The core includes a fin assembly having a plurality of hot layers and ram air layers. The hot layers have an effective hot flow length, the ram air layers have an effective cold flow length, and the fin assembly has a no flow length. A ratio of the effective hot flow length to the effective cold flow length is between 9.23 and 10.32. A ratio of the no flow length to the cold flow length is between 21.86 and 25.23. | 08-21-2014 |
20140262187 | HEAT EXCHANGER - The invention relates to a heat exchanger comprising a block which has ribs and tubes and which is arranged between a first collecting box in particular for introducing a medium to be cooled and a second collecting box in particular for discharging said medium. Each collecting box is closed off by a base which has eyelets for receiving the tubes, and a trough-shaped circulating section for receiving the collecting box extends along the edge of the base. The base has an elevated contact region on at least one end face for the tube which lies directly opposite the end face in order to allow a stable structure of the heat exchanger with collecting boxes comprising a trough-shaped depression. | 09-18-2014 |
20140284036 | CONDENSER TUBES WITH ADDITIONAL FLANK STRUCTURE - The invention relates to a heat exchanger tube with a tube axis, a tube wall and with ribs extending around on the tube outer side. The ribs have a rib foot, rib flanks and a rib tip, wherein the rib foot projects substantially radially from the tube wall. The rib flanks are provided with additional structural elements which are arranged laterally on the rib flank. First material projections, which extend substantially in the axial and radial direction, adjoin second material projections which extend substantially in the axial and circumferential direction of the tube, wherein the first and second material projections have a common boundary line. According to the invention, the axial extent of the first material projections along this boundary line is less than the axial extent of the second material projections. A further aspect of the invention is that the first material projections adjoin in each case a point on second material projections and that the axial extent of the first material projections at this point is equal to zero. Furthermore, a further aspect of the invention is that the first material projections are arranged at a distance from the second material projections. | 09-25-2014 |
20140299304 | Precision Tube Bead Design for an Aluminum Grommetted Tube Radiator Assembly - An aluminum tube-and-fin assembly for easy insertion into a manifold seal is provided. The assembly comprises a generally cylindrical, elongated tube and fins extending radially outward from the body. A bead is formed circumferentially around the tube end. A smooth, curved, circumferentially disposed bead corner is interposed between the bead and the tube end. The bead corner has a frustoconical curved shape and a radii of curvature of at least 0.2 mm. | 10-09-2014 |
20140299305 | Heat Exchanger with Differentiated Resistance Flowpaths - Systems and methods are disclosed which may include (1) providing a preselected and/or non-uniform airflow distribution output from a heat exchanger, (2) selectively directing air through a relatively lower resistance flowpath to manage an airflow characteristic and/or distribution downstream of the heat exchanger, (3) providing an HVAC system comprising a heat exchanger comprising a fin arrangement configured to cause relatively more air to contact a selected component that lies either upstream or downstream relative to the heat exchanger, and (4) receiving a relatively uniform airflow into a heat exchanger and outputting an airflow comprising a localized increased airflow rate. A heat exchanger comprising differentiated resistance flowpaths may selectively affect a direction and/or localized flow rate or distribution of an airflow exiting the heat exchanger. | 10-09-2014 |
20140338876 | PLATE FIN-TUBE HEAT EXCHANGER AND REFRIGERATION-AND-AIR-CONDITIONING SYSTEM INCLUDING THE SAME - A plate fin-tube heat exchanger is provided in which surfaces of flat tubes and fins each have concavities and convexities in which a length between one of peak portions that has the smallest height and one of trough portions that has the smallest depth is 10 μm or larger. | 11-20-2014 |
20140338877 | Method For Producing A Heat Exchanger And Heat Exchanger Obtained By Said Method, Swage and Tube Expansion Device For Implementing Said Method - The invention relates to a method for producing a heat exchanger, in particular for a motor vehicle, a method whereby fluid circulation tubes ( | 11-20-2014 |
20140367076 | HEAT EXCHANGER FOR VEHICLE AIR-CONDITIONER AND VEHICLE AIR-CONDITIONER - A heat exchanger for a vehicle air-conditioner includes a plurality of fins arranged parallel to one another and a plurality of heat transfer tubes extending parallel to one another through the fins. The fins are cut by a corrugated cutter from a band material having through-holes through which the heat transfer tubes are to extend. A row pitch Dp of the heat transfer tubes is expressed as “Dp=C+D+2W+28 for 0<δ12-18-2014 | |
20150027678 | HEAT EXCHANGER AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - A heat exchanger and a method and apparatus for manufacturing the same are provided. The heat exchanger may include a refrigerant tube, through which a refrigerant may flow, at least one heat-exchange fin, into which the refrigerant tube may be inserted, a plurality of tube treatments provided on a surface of the refrigerant tube, and a plurality of fin treatments provided on a surface of the at least one heat-exchange fin. | 01-29-2015 |
20150053388 | FABRICATING THERMAL TRANSFER STRUCTURE WITH IN-PLANE TUBE LENGTHS AND OUT-OF-PLANE TUBE BEND(S) - Methods of fabricating cooling apparatuses are provided, which include providing a thermal transfer structure configured to couple to and cool one or more electronic components. The thermal transfer structure includes a thermal spreader, and at least one coolant-carrying tube coupled to the thermal spreader. The coolant-carrying tube(s) includes multiple tube lengths disposed substantially in a common plane, and an out-of-plane tube bend. The out-of-plane tube bend is couples in fluid communication first and second tube lengths of the multiple tube lengths, and extends out-of-plane from the multiple tube lengths disposed in the common plane. The first and second tube lengths may be spaced apart, with a third tube length disposed between them, and the coolant-carrying tube(s) further includes an in-plane tube bend which couples in fluid communication the third tube length and a fourth tube length of the multiple tube lengths. | 02-26-2015 |
20150068718 | EVAPORATOR - An evaporator is provided with a refrigerant pipe, a cold storage case which has inner fins mounted therein, and air-side fins. The evaporator is characterized in that the cold storage case is provided with: a filling opening for filling the cold storage case with a cold storage material; a first flow passage connecting to the filling opening and extending in the same direction as the direction of inflow of the cold storage material; and a second flow passage connecting to the first flow passage and extending in the direction intersecting the first flow passage. | 03-12-2015 |
20150075760 | ALUMINUM ALLOY TUBE-FIN HEAT EXCHANGER - A heat exchanger includes
| 03-19-2015 |
20150075761 | HEAT SINK ATTACHMENT TO TUBE - An exemplary heat sink includes a tube having a tube radius and first and second heat sink portions. Each heat sink portion includes an arcuate channel having a channel radius and a channel depth. Each channel radius is greater than the tube radius, and the sum of the channel depths is less than twice the tube radius. The heat sink is assembled by positioning the tube between the first and second heat sink portions, and urging the first and second heat sink portions toward one another, thereby deforming the tube. | 03-19-2015 |
20150122471 | HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME - According to the present invention, a heat exchanger comprises a coolant tube, and a fin having a collar coupled with the coolant tube and projected from a plate part, wherein the collar includes a call connection non-contacting part having an inner diameter larger than an outer diameter of the coolant tube, the call connection non-contacting part not contacting an outer surface of the coolant tube, and a call connection contacting part, an inner surface of the call connection contacting part contacting the outer surface of the coolant tube when the coolant tube is inserted, wherein a connecting member is positioned between an inner surface of the call connection non-contacting part and the outer surface of the coolant tube. Accordingly, without a tube expanding process for tube expanding the coolant tube, the coolant tube may be brought in tight contact with the fin. Further, the furnace brazing process is performed to minimize the defect rate. | 05-07-2015 |
20150136374 | STEAM GENERATION - A heat exchanger assembly, comprising: heat exchanger pipework which comprises a plurality of elongate tube elements which extend in spaced relation and a plurality of pipe end couplings which fluidly connect open ends of respective tube elements, wherein the pipe end couplings each comprise a main body part to which the open ends of the respective tube elements are fixed, and an enclosure part which is fixed to the main body part and provides a closed fluid connection between the open ends of the respective tube elements; and a plurality of fins which extend in spaced relation and optionally substantially orthogonally to the tube elements, wherein the fins each comprise a sheet element, optionally a single, continuous sheet element, which includes a plurality of apertures through which extend respective ones of the tube elements, and a plurality of fin coupling elements which are located within respective ones of the fin apertures to interface the tube elements to the sheet elements. | 05-21-2015 |
20150292813 | HEAT EXCHANGER - A heat exchanger may include a block for separately conducting first and second fluids, and a box. The block may have flat tubes through which the first fluid is flowable and each of which may have a narrow tube side and a wide tube side. The box may have a base, the flat tubes being guided into the base via corresponding through-openings in the base. Each through-opening may have at least one raised edge, with at least one narrow edge side and at least one wide edge side, surrounding the corresponding flat tube. The wide edge side may be higher than the narrow edge side. The two may transition into one another via an inclination with a recess that may have a height lower than that of the narrow edge side. A contact surface edge may have a height lower at the recess than at the narrow edge side. | 10-15-2015 |
20150354904 | HEAT EXCHANGER AND METHOD FOR MANUFACTURING HEAT EXCHANGER - A clearance (C) is provided between the inner circumferential surface of cylindrical stubs ( | 12-10-2015 |
20150377562 | FLUID CHANNELS HAVING PERFORMANCE ENHANCEMENT FEATURES AND DEVICES INCORPORATING SAME - A fluid channel formed with generally triangular-shaped performance enhancement features is disclosed. The fluid channels may be incorporated into heat exchanger or humidifier devices, the performance enhancement features generally having heat transfer and/or mass transfer performance enhancement applications. The heat transfer or mass transfer enhancement features are formed along the inner surfaces of the fluid flow passages of either the heat exchanger or humidifier plates and generally have sharp leading edges that create vortices in the fluid flowing through the passages. The heat or mass transfer enhancements protrude out of the inner surface of the fluid flow passages while leaving the outer surface of the fluid channel free of perforations. Alternatively, heat or mass transfer enhancements may be formed on separate inserts that are affixed to the inner surface of the fluid flow passages. The heat or mass transfer enhancements can be formed in metal plates or plastic plates using a variety of manufacturing techniques. | 12-31-2015 |
20160025426 | HEAT TRANSFER PLATE - A heat transfer device includes a body defining a fluid inlet and a fluid outlet, a fluid channel defined within the body, the fluid channel connected in fluid communication between the fluid inlet and the fluid outlet, and a plurality of pins disposed within the fluid channel such that flow passing through the fluid channel passes around the plurality of pins to facilitate heat transfer to the fluid from the body. | 01-28-2016 |
20160033208 | Fluid Flow Channel For Enhanced Heat Transfer Efficiency - A heat transfer apparatus is described having a manifold. The manifold has a surface having a fluidic exit opening and a fluidic entrance opening. A fluid is to flow from the fluidic exit opening and into the fluidic entrance opening. The manifold has a protrusion emanating from the surface between the fluidic exit opening and the fluidic entrance opening. An apparatus is described having a thermally conductive grooved structure. The thermally conductive grooved structure has a surface having first and second cavities to form first and second fluidic channels. The thermally conductive grooved structure has a protrusion emanating from between the cavities. The protrusion has side surfaces to form parts of the first and second fluidic channels. | 02-04-2016 |
20160061536 | Heat Exchanger and Method of Assembling the Same - A heat exchanger comprises a plurality of heat convection fins, first and second parallel U-shaped fluid tubes, and a fitting. Each of the first and second fluid tubes comprises a pair of leg portions and a U-turn portion that operatively connects the leg portions. The leg portions of the first fluid tube extend through at least some of the heat convection fins. The leg portions of the second fluid tube extend through at least some of the heat convection fins. The fitting comprises first and second female sockets. The first female socket is crimped to one of the leg portions of the first fluid tube. The second female socket is crimped to one of the leg portions of the second fluid tube. The fitting operatively connects the first and second fluid tubes. | 03-03-2016 |
20160076815 | HEAT EXCHANGER - Disclosed is a heat exchanger ( | 03-17-2016 |
20160109188 | TUBE FOR A HEAT EXCHANGER - The present invention relates to a tube for a heat exchanger comprising a region with dimples according to a specific pattern such that it increases the degree of heat exchange with low pressure drop. The use of a tube for a heat exchanger according to the invention in heat exchangers for EGR (Exhaust Gas Recirculation) systems is of particular interest. The present invention is also considered of interest for the environment as it increases the efficiency of the heat exchangers for which it is designed. | 04-21-2016 |
20160116234 | HEAT EXCHANGER, AND FIN MATERIAL FOR SAID HEAT EXCHANGER - There is provided a heat exchanger and a fin material for the heat exchanger that can suppress occurrence of hollow corrosion in a fin and hold cooling performance for a long period of time under a high corrosion environment. The heat exchanger includes an aluminum tube through which a working fluid circulates and an aluminum fin which is bonded to the tube. The fin has a region B around a grain boundary, and a region A around the region B. In the region B, 5.0×10 | 04-28-2016 |
20160123681 | FIN TUBE HEAT EXCHANGER - A fin satisfies 0°<θ205-05-2016 | |
20160178287 | PINS FOR HEAT EXCHANGERS | 06-23-2016 |
20180023901 | ARROWHEAD FIN FOR HEAT EXCHANGE TUBING | 01-25-2018 |