Abstract: A heat exchanger having a plurality of heat-transfer tubes arrayed at intervals in vertical and anteroposterior directions and arranged so that an equilateral triangle is formed by lines connecting the centers of heat-transfer tubes located vertically and anteroposteriorly adjacent to each other; and a plurality of heat-transfer corrugated fins arranged at intervals in an axial direction of the heat-transfer tubes, characterized in that when an external diameter of each of the heat-transfer tubes is V1; a vertical pitch of the heat-transfer tubes is V2, a fin pitch of the heat-transfer corrugated fins is V3, a fin plate thickness of each of the heat-transfer corrugated fins is V4, and a corrugate height of the heat-transfer corrugated fins is V5, any one of V2, V3 and V5 is set within a given range.

Abstract: The present invention provides a heat exchanger for transferring heat between a first working fluid and a second working fluid. The heat exchanger can include a corrugated fin positionable along a flow path of the first working fluid between adjacent tube walls and being operable to increase heat transfer between the first working fluid and the second working fluid. The fin can include a leg defined between adjacent folds. The heat exchanger can also include a plurality of convolutions extending inwardly from a distal end of the leg and terminating at different distances from the end.

Abstract: A heat exchanger (1) is provided with header pipes (2, 3), a plurality of flat tubes (4) disposed between the header pipes, and corrugated fins (6) disposed between the flat tubes (4). The end of the corrugated fin at the surface on the side, on which condensed water gathers, of the heat exchanger protrudes from an end of the flat tube (4), and a linear water-conducting member (10) is inserted between a gap (G) formed between the protruding portions of the corrugated fins. The interval between the water-conducting member and the protruding end of the corrugated fin located thereon is a distance at which the surface tension of water can act therebetween. A V-shaped cut (6a or 6b) is formed at the edge of the protruding end of the corrugated fin.

Abstract: 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.

Abstract: This invention provides a heat transfer device which can improve its heat transfer performance in a heat exchanger with a flow rate of heat carrier fluid being set at a relatively low velocity, while restricting increase in pressure loss of the fluid flow. Plural longitudinal vortex generator winglets (10) are arranged in a spanwise direction on each side of the heat transfer object (T). The winglets on each side are oriented substantially in the same direction for deflecting the fluid to the same direction and conducting the fluid to an area behind the object. Each of the winglets has a configuration gradually decreasing in its height toward an upstream side of a flow of the fluid. Longitudinal vortices are produced behind the winglets by the fluid flowing rearward beyond the winglets.

Abstract: A heat sink includes a first housing adapted to receive a coolant in a first phase; one or more fins stacked on the first housing, the one or more fins having openings there-through to receive a second phase of the coolant; and a second housing coupled to the one or more fins to define an internal chamber.

Abstract: A projector includes a liquid-cooling device configured to cool down an optical element, an optical element holding member that is constructed to allow cooling liquid to flow in and out and holds the optical element; a liquid pumping unit that circulate cooling liquid; a liquid storage unit that is constructed to allow cooling liquid to flow in and out and temporarily stores cooling liquid therein; and a plurality of liquid circulation members that connect the optical element holding member, the liquid pumping unit, and the liquid storage unit and define a flow channel of the cooling liquid, and the liquid pumping unit, the liquid storage unit, and the optical element holding member are arranged along a circulation direction of the cooling liquid along the flow path in order of the liquid pumping unit, the liquid storage unit, and the optical element holding member.

Abstract: In a heat exchanger for exchanging heat between fluid such as refrigerant and air, an object of the present invention is to extend the surface area of fins while suppressing an increase in ventilation resistance, thereby improving performances of the heat exchanger. Corrugated sheet fins (70) are provided as the fins of the heat exchanger (60). The corrugated sheet fins (70) are each shaped like a corrugated sheet. The ridgeline direction of the waveform of the corrugated sheet fins (70) is orthogonal to front edges and rear edges. In the heat exchanger (60), the plurality of corrugated sheet fins (70) are arranged at constant pitches in the axial direction of the heat transfer tube (61).

Abstract: To achieve a sufficient drainage of condensed water (dew water) adhering to a surface to suppress an adverse effect on an airflow resistance and a heat exchange efficiency, even in a case where heat exchange tubes are arranged horizontally, provided is a drain structure for a corrugated fin-type heat exchanger (1), the corrugated fin-type heat exchanger (1) being constituted by arranging a plurality of flat heat exchange tubes (3) parallel to one another in a horizontal direction between a pair of opposing header pipes (2a, 2b), and joining corrugated fins (4) between the plurality of flat heat exchange tubes (3), the drain structure including a plurality of water flow passages (10) for inducing water retained between the corrugated fins (4) adjacent to an upper side and a lower side of each of the plurality of flat heat exchange tubes (3), the plurality of water flow passages (10) being formed on an outer end surface of the each of the plurality of flat heat exchange tubes (3) in a width direction thereof at

Abstract: A combined cycle power plant includes a first generator driven by a gas turbine for generating electricity. The combined cycle power plant further includes a heat recovery steam generator disposed to receive exhaust gas from the gas turbine. The heat recovery steam generator includes an evaporator having tubes receptive to water flow therethrough. The tubes are disposed to be exposed to the exhaust gas, such that a flow of the exhaust gas passes around the tubes transfers heat from the exhaust gas to the tubes and thereby the water flowing through the tubes sufficient for the water to evaporate into steam. The tubes each having an outer surface with a plurality of deformations formed therein sufficient to introduce turbulence in the flow of the exhaust gas for enhancing heat transfer from the exhaust gas to the tubes.

Abstract: 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.

Abstract: There is herein described energy storage systems. More particularly, there is herein described thermal energy storage systems and use of energy storable material such as phase change material in the provision of heating and/or cooling systems in, for example, domestic dwellings.

Abstract: A cooling device for projector includes a shell, a circuit board, a light machine, a first fins, a fan assembly and a heat dissipation module. The light machine is mounted on the circuit board, and includes a light source having a red LED, a green LED facing the red LED, and a blue LED positioned between both of them. The first fins are mounted on the light source adjacent to the blue LED. The fan assembly includes a fan having a fan shell with an inlet and an outlet, and a second fins connected to the light source to aligned with the red LED. The heat dissipation module includes a third fins mounted on the light source to align to the green LED, a fourth fins mounted on the fan shell to align to the outlet of the fan, and a heat pipe interconnecting the third and fourth fins.

Abstract: There is provided a heat exchanger 10 in which each of header tanks 20A and 20B is configured so that each of intermediate plates 60 and 90 is held between a header plate 40 and a tank plate 50. The intermediate plate 60, 90 functions as a reinforcing member, so that the strength of the header tank 20A, 20B is improved. The intermediate plate 60, 90 serving as a reinforcing element comprises bent parts 100 between the central portion and both the end portions in the width direction of the header tank 20A, 20B. By the elastic deformation of the bent parts 100, for example, the stresses developed in brazing of the header tank 20A, 20B, and the stresses at the time when a refrigerant pressure is applied can be prevented from concentrating in the joint portion of the header plate 40, the tank plate 50, and the intermediate plate 60, 90.

Abstract: An oil cooler includes an oil guiding arrangement an oil guiding arrangement and an air guiding arrangement. The oil guiding arrangement has an oil inlet, an oil outlet, and a plurality of oil passageways communicatively between the oil inlet and the outlet and spacedly being stacked apart from each other. The air guiding arrangement has a plurality of air guiding passageways alternating with the oil passageways and arranged for guiding air flowing through the air guiding passageways to heat exchange with the oil so as to cool down the oil before exiting at the oil outlet. A plurality of embossed plates are disposed in the oil passageways respectively for creating a three-dimensional oil movement within the oil passageway to heat exchange with the air, so as to enhance the heat exchange efficiency.

Abstract: A heat exchanger including plate fins stacked at respective intervals relative to one another, and heat exchanger tubes penetrating the fins in. The heat exchanger exchanges heat between first and second fluids flowing, respectively, inside and outside the heat exchanger tubes. Each of the fins includes a substantially planar main body and cut-raised portions extending from the main body and disposed at an upstream side of flow of the second fluid. Each of the cut-raised portions corresponds to a respective heat exchanger tube and includes first and second opposed side ends connected to the main body of the fin. The first side end is nearer to the corresponding heat exchanger tube than is the second side end, the first side end is longer than the second side end, and the first side end is disposed at a downstream side of the flow of the second fluid, facing the corresponding heat exchanger tube.

Abstract: This invention relates to an air conditioner having an air inlet at its upper portion. The heat exchanger (4) includes multiple plate fins (1) arranged in parallel so that air flows therebetween, and heat transfer tubes (2) perpendicularly inserted into the plate fins (1) and arranged perpendicularly to the air flow direction through which working fluid passes. The heat exchanger (4) includes a lower front heat exchanger (4a), an upper front heat exchanger (4b), and a rear heat exchanger (4c) separately produced and arranged to surround the circulating fan (5). The air pressure loss of the lower front heat exchanger (4a) is set to be smaller than the air pressure losses of the other heat exchangers.

Abstract: A horizontally mounted heat exchanger with recessed fins is disclosed. The recessed fin configuration helps prevent damage to the fins that may occur when objects such as tools or soda cans are placed on the top surface of the heat exchanger.

Abstract: A heat exchanger for a first and a second medium flow includes flat tubes which have internal fins formed from zigzag-shaped sheet metal plate. The tubes have a thermally conductive connection to at least one duct for the one medium flow. Each fin is fixed only to the one longitudinal side of each tube. Furthermore, there is a gap between the fins fixed to the one longitudinal side and the opposite longitudinal side of the tube.

Abstract: A solar energy collecting assembly useful for transferring solar heat to a heat utilizing system via heat transfer fluid flow, comprising anisotropic graphite sheets coupled to a pipe containing heat transfer fluid, and various configurations and embodiments. Methods useful for extracting collected solar heat and transferring said heat to a heat transfer medium.

Abstract: 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.

Abstract: The present invention relates to a heat exchanger, and more particularly, to a heat exchanger in which a partition wall integrally formed with a header is fixedly inserted into a partition inserting groove of a tank and it is easy to check leakage of a heat exchange medium between the tank and the partition wall through a leakage checking hole formed in the partition inserting groove.

Abstract: A heat exchanger includes fin cases each housing a pair of upper and lower fins. Each of the upper and lower fins has top and bottom portions. The upper and lower fins are oriented differently from each other such that first centerlines of the bottom portions of the upper fin intersect second centerlines of the top portions of the lower fin. The upper and lower fins are in contact with each other at locations where the first centerlines intersect the second centerlines. At these locations, the upper and lower fins support each other to strengthen the fin case such that the fin case bears loads applied to the fin case in a direction towards an inside of the fin case. The upper and lower fins have larger heat transfer area at locations where the fins are not in contact with each other.

Abstract: An exhaust heat recovery apparatus includes an evaporator and a condenser. The evaporator and the condenser form an operation medium circuit such that an operation medium circulates through the evaporator and the condenser. The evaporator has tubes and is disposed in a duct part through which an exhaust gas generated from an engine flows. The condenser is disposed in a heated fluid circuit through which a heated fluid flows for heating the heated fluid by condensation of the operation medium. The heated fluid circuit is separate from an engine coolant circuit through which an engine coolant for cooling the engine flows. The evaporator further has a fin between the tubes. The fin is provided with an operation force reducing portion that is capable of reducing an operation force applied to the fin due to a thermal expansion difference between the tubes, which are exposed to the exhaust gas.

Abstract: A method of fabricating a heat exchanger which includes: obtaining multiple coolant-carrying conduit sections, each having a non-circular cross-section, and first and second main surfaces; providing multiple primary folded fins secured to the conduit sections. Each folded fin includes a solid fin surface with multiple bends defining alternating, U-shaped air-passage channels, and a base surface and a top surface. Each folded fin is secured at the base or top surface to a main surface of a conduit section, and the folded fins have leading and trailing edges relative to airflow direction. The method includes forming a plurality of sets of secondary fins, each set extending from the leading or trailing edge of a respective folded fin at an angle other than 0. At least one conduit section has a first folded fin secured to its first main surface, and a second folded fin secured to its second main surface thereof.

Abstract: A heat exchanger, such as a radiator, may transfer heat from a liquid and employ a first header tank, a second header tank, a plurality of tubes fluidly joining the first and second header tanks, and a baffle within one of the first or second header tanks. The baffle may be located in a header tank positioned substantially parallel or perpendicular to a surface upon which a vehicle employing the hear exchanger rests. The baffle may be a wall defining only one slot, a wall defining only one slot that is open through one side of the wall, a wall that defines a plurality of slots, or a wall that defines a plurality of holes. The heat exchanger may further employ fluidly isolated first and second tube and fin sections each defining a self-contained flow path for cooling different liquids. The baffle may slow coolant flow in a flow path.

Abstract: A horizontally mounted heat exchanger with recessed fins is disclosed. The recessed fin configuration helps prevent damage to the fins that may occur when objects such as tools or soda cans are placed on the top surface of the heat exchanger.

Abstract: The invention relates to a heating assembly (1) comprising at least one PCT element, in particular for a motor vehicle, said PCT element (2) being located between two contact sheets (3, 4), which are used to make electrical contact. According to the invention, the heating assembly (1) comprises a frame (7) and at least one of the two contact sheets (3)comprises a staggered section outside the frame (7), said staggered section of the projecting part (10) of the contact sheet (3) running parallel with the remaining part (11) of said sheet (3).

Abstract: The assembly includes a heat exchanger assembly including a plurality of tubes extending between first and second manifolds. A plurality of fins extend back and forth between and long the tubes in a continuous patch and define a plurality of legs extending between the tubes. Each of the legs includes a plurality of front long louvers for conveying a stream of air through the legs. Each of the legs further defines a plurality of main spoilers between the front long louvers and the back edges of the legs for inducing turbulence in the stream of air with each of the main spoilers having a spoiler height in the range of 50 to 90 percent of the long louver height and each of the main spoilers having a spoiler length in the range of 10 to 35 percent of the long louver length.

Abstract: In an evaporator constituting part of a vehicular air conditioning apparatus, a first cooling section that faces a first front passage, and a second cooling section that faces a first rear passage are provided. At a boundary portion between the first cooling section and the second cooling section, a partition member constituted by a filled and hardened packing agent is formed. The partition member is formed so as to fill spaces, which are located between first fins that constitute the first cooling section and second fins that constitute the second cooling section. Air that flows through the first cooling section and air that flows through the second cooling section do not mix together in the interior of the evaporator by the partition member.

Abstract: A radiator having a radiator fin sandwiched between and joined to a top plate and a bottom plate is provided on an insulating substrate, which has a semiconductor element arranged on one face side thereof, on the other face side thereof. The radiator fin is a corrugated fin that includes a first region that includes a joint peak portion joined to the bottom plate and has a height in an amplitude direction which is substantially equal to a distance between the top plate and the bottom plate, and a second region that includes a non-joint peak portion separated from the bottom plate by a predetermined gap and has a height in the amplitude direction which is smaller than the distance between the top plate and the bottom plate.

Abstract: A PCB can include an insulating member, a cooling member, and a circuit pattern. The cooling member can be built into the insulating member. The cooling member can have a cooling passageway through which a cooling fluid can flow. The circuit pattern can be formed on the insulating member. Thus, high heat in the circuit pattern can be rapidly dissipated by the cooling fluid flowing through the cooling passageway.

Abstract: A heat exchange fin in a heat exchanger is disposed between two refrigerant pipes spaced apart from each other includes a guide protrusion including first inclined planes inclined upward along opposite sides of a center line of a refrigerant pipe row in a symmetric fashion and second inclined planes inclined downward from upper ends of the first inclined planes, and the first inclined planes and the second inclined planes are provided with rubber members, thereby improving heat exchange efficiency.

Abstract: A heat exchanger (10) is manufactured from a single piece of heat-conducting material and comprises fins (20) for guiding a fluid and for transferring heat between the fluid and the heat exchanger, wherein between the fins are provided transverse fins (24) which extend in a direction substantially transversely of the fins over a distance which is less than the distance between the fins and in a direction substantially transversely of the flow direction of the fluid, wherein the transverse fins are arranged alternately close to or on mutually adjacent fins in order to cause a fluid flowing between the fins to follow a meandering path between the fins, wherein the lateral direction lies substantially perpendicularly of the fins.

Abstract: In a heater core that constitutes part of a vehicular air conditioning apparatus, first and second fins having louvers therein are arranged between a plurality of tubes. The first fins are disposed on a first heating section, which faces toward a first front passage through which air from a first blower unit flows, whereas the second fins are disposed on a second heating section, which faces toward a first rear passage through which air from a second blower unit flows. Further, as a boundary portion between the first heating section and the second heating section, partitioning fins, which do not contain any louvers therein, are disposed separately from the first and second fins.

Abstract: The present invention provides a novel tritium distillation device, which includes a container, a radiator covered on top of the container with a protrusion at the bottom, a conduit penetrating the container with an inlet and an outlet, the inlet being arranged in correspondence with the protrusion, and a heating device fixed below the container. The method of operating the tritiated water distillation includes the steps of adding environmental tritiated water in the container, covering the radiator on top of the container closely, heating environmental tritiated water to cause tritiated water steam to be condensed to the bottom of the radiator, and collecting the tritiated water condensation dropped from the protrusion with conduit. The present invention uses a simple structure to ease assembly and reduce the cost of cooling water source.

Abstract: A cooling module for a vehicle includes a combo cooler associated with a vehicle. A heat rejecter includes tubes arranged in a planar configuration. A low temperature radiator is associated with the heat rejecter and includes low temperature radiator tubes arranged in a planar configuration. Manifolds are independently configured to supply a refrigerant to the heat rejecter and a coolant to the low temperature radiator. A high temperature radiator is disposed adjacent and parallel to the combo cooler, and downstream of the combo cooler relative to an air stream flowing through the combo cooler and the high temperature radiator. The high temperature radiator is associated with a high temperature cooling loop of the vehicle, and cools an other coolant flowing therethrough. An operating temperature of refrigerant in the heat rejecter and an operating temperature of coolant in the low temperature radiator are lower than an operating temperature of the other coolant in the high temperature radiator.

Abstract: The present invention relates to a PTC heating element with at least one PTC resistance element which is arranged between two electrically conductive plates in a housing opening of a housing and, with at least one of the electrically conductive plates as an intermediate layer, which is pressed with an initial tension against a heat-emitting element which is held at the housing. With the present invention, a PTC heating element of the type mentioned at the beginning that can be manufactured easily and economically is to be specified. To solve this problem, the present invention further develops the PTC heating element mentioned at the beginning in such a way that attachment tabs arranged on the edge of the housing opening protrude beyond the housing opening and in such a way that the heat-emitting element has tab cuts, behind which the tabs engage.

Abstract: Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided that include nubbed, collared, and/or flapped fins. In certain embodiments, the fins include openings or slots with protrusions for spacing multichannel tubes from the fins. During assembly, the protrusions may be deformed by the tubes. Braze alloy may be positioned in the gaps created by the protrusions to affix the multichannel tubes to the fins. In other embodiments, the fins include flaps or collars designed to interface with the multichannel tubes. In these embodiments, the tubes may be expanded into the fins.

Abstract: A heat exchanger, in particular for an internal combustion engine, comprising a plurality of flat tubes that extend parallel to one another and are each oriented with a longitudinal side in a primary flow direction of a fluid, and a base, wherein a plurality of passages into which each of the flat tubes terminate are provided in the base, wherein at least four rows of flat tubes are arranged one behind the other in the primary flow direction, all of which terminate in the base.

Abstract: 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.

Abstract: A ceramic coated heat exchanger component and method for making the ceramic coated heat exchanger component by creating porous metal oxide coatings on an aluminum surface of the heat exchanger component by plasma electrochemical deposition of a metal oxide on the aluminum surface and layering an odor neutralization agent on the porous metal oxide ceramic coatings to form an odor remediation ceramic coating on the heat exchanger.

Abstract: In a heat exchanger having a core portion in which aluminum flat tubes and aluminum fins are disposed alternatively and brazed with each other, each fin has one side portion located at one side of the tube and the other side portion located at the other side of the tube. The one side portion of the fin is higher in pitting potential than the other side portion of the fin, and the pitting potential difference between the one side portion of the fin and the other side portion of the fin is 40 to 200 mV. The pitting potential difference can be formed by the Zn concentration difference in the aluminum alloy constituting the fin.

Abstract: A parallel flow heat exchanger includes a plurality of connector tubes which fluidly interconnect the individual flat heat exchange tubes to a refrigerant delivery member such that the refrigerant flows along the lengths of the connector tubes and then flows in a direction orthogonal thereto to enter the flat heat exchange tubes to thereby provide improved refrigerant distribution thereto. The refrigerant distribution member may be an inlet manifold or an entrance port or a refrigerant distributor. The connector tubes may be connected so as to conduct the flow in parallel or in series, and an orifice may be placed at the entrance end thereof to improve refrigerant distribution.

Abstract: A heat exchanger assembly including a first and second heat exchangers disposed in sandwiched relationship with one another. The tubes and air fins of the first and second heat exchangers are aligned with one another in a transverse air flow direction. A plurality of middle connecting portions are integral with and extend in the transverse air flow direction between the aligned first and second air fins of the two heat exchangers. Each of the middle connecting portions has a slot for impeding heat conduction between the first and second air fins, and each of the slots in the middle connecting portions is disposed closer to the first tubes than to the second tubes to maximize the effective length of the second air fin.

Abstract: A heat exchanger use high strength aluminum alloy fin material having a high strength and excellent in thermal conductivity, erosion resistance, sag resistance, sacrificial anodization effect, and self corrosion resistance, characterized by containing Si: 0.8 to 1.4 wt %, Fe: 0.15 to 0.7 wt %, Mn: 1.5 to 3.0 wt %, and Zn: 0.5 to 2.5 wt %, limiting the Mg as an impurity to 0.05 wt % or less, and having a balance of ordinary impurities and Al in chemical composition, having a metal structure before brazing of a fibrous crystal grain structure, a tensile strength before brazing of not more than 240 MPa, a tensile strength after brazing of not less than 150 MPa, and a recrystallized grain size after brazing of 500 ?m or more.

Abstract: A heat exchanger including an inlet tank with an internal manifold space and a plurality of modules including a core having a plurality of tubes. The modules are in fluid communication with the inlet tank and the tubes terminate inside the manifold space so that a cooling media can flow in a direct path from the manifold space into the tubes.

Abstract: The difference in linear thermal expansion coefficient between the fins (57) and the adsorbent layer (58) is made smaller than the difference in the linear thermal expansion coefficient between the fins (57) and the adsorbent.

Abstract: The present invention pertains to a radiator comprising a base body and a plurality of protruding fins outward extended from the base body. Wherein, each protruding fin is densely structured by a plurality of stacked fin pellets in company with apertures defined therebetween. Whereby, the fin pellets conduce to expand the surface area of the protruding fins to assist the communication of the outer air therebetween, so as to promote the heat dissipation of the radiator.

Abstract: A core unit for a heat exchanger comprises a pair of headers spaced from one another each defining a fluid space for receiving a fluid therein and each defining a plurality of apertures. A first region comprising a plurality of first tubes extends between the headers and a first fin is disposed between adjacent pairs of the first tubes. A second region comprising a plurality of second tubes extends between the headers and a second fin is disposed between adjacent pairs of the second tubes. A crushable center different than the first and second regions is disposed parallelly between the first and second regions for controllably crushing when the headers are bent.