Side-by-side Tubes Traversing Fin Means Patents (Class 165/151)
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Publication number: 20150096725Abstract: A tank for a heat exchanger includes a tank member and a base member. The tank member has one of a pre-crimped tab and a slot portion on a first lateral side. The pre-crimped tab is bent outward from a longitudinal axis. The slot portion has a throughhole. The base member has the other of the pre-crimped tab and the slot portion on the first lateral side. The tank member and the base member are fitted together to define an inner cavity therebetween. The pre-crimped tab is inserted in the throughhole on the first lateral side. One of the tank member and the base member is crimped to the other of the tank member and the base member on a second lateral side.Type: ApplicationFiled: October 4, 2013Publication date: April 9, 2015Applicant: DENSO International America, Inc.Inventors: Mark Holmes, Daniel Tylutki
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Publication number: 20150096736Abstract: A heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array comprising: at least one wind deflector installed along the long side of the finned tube arrays on at least one side of the arrays.Type: ApplicationFiled: July 3, 2014Publication date: April 9, 2015Applicant: ORMAT TECHNOLOGIES, INC.Inventors: Lucien Y. Bronicki, Uriyel Fisher
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Publication number: 20150096726Abstract: A spacer (7) for an air heater comprises a predefined number of planar walls (13; 113) that are substantially parallel and are connected two-by-two by folds (15). The planar walls (13; 113) include a plurality of louvers (171, 172) that are substantially inclined relative to the general plane (P) defined by the planar wall (13; 113). The planar wall (13; 113) further includes at least one strap (19; 1191, 1192, 1193, 1194) having longitudinal sides (21) that extend parallel to the planar wall (13; 113) and lateral sides (23) that are linked to the planar wall (13; 113) by means of at least one connecting rail (24). An air heater comprises a heat exchange bundle comprising a stack of parallel tubes (5) for the circulation of the fluid, the tubes having the width (l1) of a tube, and a plurality of such spacers (7) disposed respectively between two tubes (5).Type: ApplicationFiled: May 21, 2013Publication date: April 9, 2015Inventors: Isabelle Citti, Christian Riondet, Badr Alouane
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Patent number: 8978743Abstract: A fin tube heat exchanger 1 according to the present invention includes fins 31 and a heat transfer tube 21 penetrating through the fins 31. A region that is surrounded by line segments connecting among two reference points BP and two leading edge reference points BPF is defined as a reference region. A region that is included in the reference region and located between an upstream reference line LU and a downstream reference line LD is defined as a specific region. Each fin 31 is provided with a cut-and-raised portion 12 having, in the specific region, another leading edge different from a leading edge 31f. The cut-and-raised portion is formed by cutting and raising a part of the fin 31.Type: GrantFiled: September 15, 2010Date of Patent: March 17, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomoichiro Tamura, Kou Komori
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Publication number: 20150068715Abstract: A method of manufacturing a heat exchanger and the heat exchanger made according to the method. The heat exchanger includes a pair of headers that define a plurality of slots. Each of the slots has a pair of nose ends that are disposed within the planar surface. Each of the slots have a first flange and second flange formed on opposite sides of the slots that extend between the pair of nose ends and are recessed into the header relative to the planar surface. One end of each of the tubes is assembled into one of the slots and is connected by a braze weld to the first flange, the second flange, and the nose ends.Type: ApplicationFiled: September 10, 2013Publication date: March 12, 2015Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventor: JON RAVER
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Patent number: 8973647Abstract: 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 louver members, thereby improving heat exchange efficiency.Type: GrantFiled: October 26, 2010Date of Patent: March 10, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Kang Tae Seo, Hayase Gaku, Young Min Kim, Dong Ho Park
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Publication number: 20150060027Abstract: A radiator includes a tube that has a flattened-shape, the tube including an internal flow channel that allows a coolant to flow through the internal flow channel; and a tank that includes an insertion port into which a joint end portion of the tube is inserted so that the tank and the tube are joined to each other, wherein the tube includes an outer-peripheral-wall extending in a direction perpendicular to a thickness direction of the tube, and bend depressions that are bent toward the internal flow channel in a concave shape are formed in at least a region of the outer-peripheral-wall adjacent to the joint end portion, the bend depressions extending along the internal flow channel, and the bend depressions are deformed in a width direction of the tube so that the width of the joint end portion is the same as the width of the insertion port.Type: ApplicationFiled: July 7, 2014Publication date: March 5, 2015Inventor: Fumihiro TAWA
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Publication number: 20150041105Abstract: A plate fin heat exchanger is configured to receive hot flow from a hot source and cool flow from a cool source. The plate fin heat exchanger includes a plurality of plates arranged in parallel to define a plurality of flow passages there between, and a set of closure bars arranged at a first side of the plurality of plates to seal a first set of the flow passages against ingress of the hot flow, thereby directing the hot flow into a second set of the flow passages. Each respective closure bar includes an inner core formed of a first material having a first coefficient of thermal expansion and an outer cladding arranged about the inner core, the outer cladding formed of a second material having a second coefficient of thermal expansion. The first coefficient of thermal expansion is less than the second coefficient of thermal expansion.Type: ApplicationFiled: August 9, 2013Publication date: February 12, 2015Applicant: Hamilton Sundstrand CorporationInventors: Michael Zager, Donald E. Army, George Kan, Charles J. McColgan, Nigel Palmer
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Publication number: 20150034276Abstract: A heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array comprising: at least one wind deflector installed along the long side of the finned tube arrays on at least one side of the arrays.Type: ApplicationFiled: July 2, 2014Publication date: February 5, 2015Applicant: ORMAT TECHNOLOGIES, INC.Inventors: Lucien Y. BRONICKI, Uriyel FISHER
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Publication number: 20150034282Abstract: A face plumbing adapter having a block portion and a camber portion is provided for a manifold of a heat exchanger assembly. The block portion includes an external planar face, a first mating surface opposite that of the planar face, and an aperture having a B-axis extending through the planar face and first mating surface. The camber portion extends integrally from the block portion in a direction away from the planar face and curving inward toward the B-Axis. The camber portion is biased toward the block portion such that the face plumbing adapter would clinch onto the manifold. The block and camber portions include respective mating surfaces that are complementary to the exterior surface area of the manifold onto which the mating surfaces are affixed.Type: ApplicationFiled: February 15, 2013Publication date: February 5, 2015Inventors: Joel T. Hambruch, Bruce W. Dittly, Joseph Coccho, III, Henry C. Goodman
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Publication number: 20150027161Abstract: A heat exchanger includes a plurality of flattened pipes, a header collection pipe, and a plurality of fins joined to the flattened pipes. The flattened pipes are joined to the header collection pipe. A fluid flowing through an interior of the flattened pipes exchanges heat with air flowing outside the flattened pipes. The header collection pipe has a header collection pipe and a cover member. The header collection pipe body is disposed so that a longitudinal direction is vertically oriented. The cover member is disposed inside from an upper end of the header collection pipe body, and closes off an upper side of the header collection pipe body. The header collection pipe body has a pipe end section that extends upward past the cover member. A drainage part is formed in a part of the pipe end section.Type: ApplicationFiled: December 26, 2012Publication date: January 29, 2015Inventors: Yasutaka Ohtani, Yoshio Oritani, Takuya Kazusa, Masanori Jindou, Junichi Hamadate
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Publication number: 20150007605Abstract: An outdoor unit of a refrigeration apparatus includes a heat exchanger, a casing constituent member and a seal member. The heat exchanger has plural collection header pipes, plural fins disposed at a predetermined fin pitch between the header pipes, and plural heat transfer tubes inserted through the fins and connected to the header pipes. An interstice larger than the fin pitch is formed between one of the header pipes and one of the fins adjacent to the one of the header pipes. The casing constituent member is disposed facing the one of the header pipes and is configured to surround part of the heat exchanger. The seal member is attached to the casing constituent member, is pressed against the one of the header pipes and the one of the fins in the environ of the interstice facing the casing constituent members, becomes deformed, and closes the interstice.Type: ApplicationFiled: February 5, 2013Publication date: January 8, 2015Inventors: Tomohiro Masui, Masashi Kuroishi, Takuya Kazusa, Junichi Hamadate
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Publication number: 20150000880Abstract: A heat exchanger assembly includes spaced apart tubes and a fin. The fin extends between and in thermal contact with adjacent tubes. The fin defines a planar portion between adjacent tubes. The planar portion defines a louver. The louver defines an axis about which the louver is rotated relative to the planar portion when the louver is formed. A middle portion of the louver is rotated about the axis to a first angle. A top portion of the louver is rotated about the axis to a second angle greater than the first angle such that the louver angle is varied along the axis. The louver may be characterized along the axis by a continuous transition of angle from the first angle to the second angle. A bottom portion of the louver may be rotated about the axis to a third angle greater than the first angle.Type: ApplicationFiled: September 15, 2014Publication date: January 1, 2015Inventors: DEBASHIS GOSH, SCOTT B. LIPA
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Publication number: 20150000320Abstract: A heat exchanger includes a plurality of fins arranged so that a plate thickness direction intersects an air flow direction and have mutually adjacent plate-shaped first and second fin units, and a plurality of heat transfer pipes inserted into the fins so as to intersect the air flow direction. The first and second fin units have heat conducting parts, upper water conveying parts, and lower water conveying parts. The upper water conveying part of the first fin unit projects a different amount from the upper water conveying part of the second fin unit, and an equal amount to the lower water conveying part of the second fin unit. The lower water conveying part of the first fin unit projects a different amount from the lower water conveying part of the second fin unit, and an equal amount to the upper water conveying part of the second fin unit.Type: ApplicationFiled: December 12, 2012Publication date: January 1, 2015Inventors: Toshimitsu Kamada, Akihiro Fujiwara, Shin Koizumi, Takayuki Hyoudou, Hirokazu Fujino, Teruo Kido
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Publication number: 20140374073Abstract: A heat exchanger including a stack of tubes, a cover plate, and a housing in which the stack of tubes is arranged. The housing includes first, second, and third adjacent housing sides having a respective first, second, and third housing openings each having a edge around the respective housing opening. The second housing opening is closed by the edge of the cover plate on the edge of the second housing opening. The housing further includes first and second exposed struts. The first exposed strut is positioned between the first and the second housing openings and the second exposed strut is positioned between the second and the third housing openings, and a first side of an edge of the cover plate is fastened to the first exposed strut and a second side of the edge of the cover plate is fasted to the second exposed strut.Type: ApplicationFiled: June 24, 2014Publication date: December 25, 2014Inventor: Wolfgang Schatz-Knecht
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Publication number: 20140318751Abstract: A heat exchanger has a core comprising flat tubes with corrugated fins provided in spaces between tubes. An end mounting arrangement includes a mounting bracket for attachment to a housing. A fin support structure comprises a plurality of support walls and a plurality of axial walls, wherein each of the support walls is integrally joined to at least one of the axial walls, each of the support walls is in contact with the endmost corrugation of one of the fins, and each of the axial walls is in contact with one of the plate pairs. The fin support structure may have a corrugated structure, and is mounted at the end of the core at which the mounting bracket is provided, so as to support and minimize damage to the corrugated fins caused by bypass air flowing between the mounting bracket and the core.Type: ApplicationFiled: April 11, 2014Publication date: October 30, 2014Applicant: DANA CANADA CORPORATIONInventors: Lee M. Kinder, David Lowe, ALAN K. WU, MICHAEL BARDELEBEN
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Publication number: 20140318749Abstract: In a heat exchanger, a second fluid flowing space communicating with second tubes is formed to be divided from a first tank space within a tank unit forming a first tank space that collects or distributes a refrigerant. The tank unit is defrosted by a coolant flowing in the second fluid flowing space, which is higher in temperature than the refrigerant flowing in the first tank space. With this configuration, heat from the second fluid flowing in the second fluid flowing space included in the tank unit is effectively transferred to a portion of the tank unit which is likely to be frosted.Type: ApplicationFiled: November 28, 2012Publication date: October 30, 2014Applicant: DENSO CORPORATIONInventor: Yoshiki Katoh
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Publication number: 20140305158Abstract: An interior condenser (1, 32) which is accommodated in an HVAC unit of a vehicle air-condoning heat pump system, the interior condenser including: a heat exchange core (6) that is composed of stacked tubes (2) and fins (4); a refrigerant inflow/outflow-side tank (10, 34) to which one end portions of the tubes are connected; a refrigerant turn-side tank (12) to which the other end portions of the tubes are connected; a partition wall (14) that separates an inner portion of the refrigerant inflow/outflow-side tank into a refrigerant inflow chamber (16) and a refrigerant outflow chamber (18); a refrigerant inlet tube (28) that is connected to the refrigerant inflow/outflow-side tank to communicate with the refrigerant inflow chamber; and a refrigerant outlet tube (30) that is connected to the refrigerant inflow/outflow-side tank to communicate with the refrigerant outflow chamber, wherein the refrigerant outlet tube is connected to the refrigerant inflow/outflow-side tank at a position below the core.Type: ApplicationFiled: November 2, 2012Publication date: October 16, 2014Inventors: Shinji Kouno, Yusuke Iino, Yuuichi Matsumoto
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Patent number: 8851156Abstract: A freeze protection system to repeatedly protect the coils or tubes of a heat exchanger/radiator that does not require any maintenance after the contained fluid in the heat exchanger/radiator has experienced a freeze. The system lends itself to construction as a repeatable grouping of diversely different geometric shapes that can then be used to build a freeze protection system for a plethora of sizes of heat exchangers/radiators or, can be made into a unitary, monolithic sheet for a specific sized heat exchanger.Type: GrantFiled: May 27, 2010Date of Patent: October 7, 2014Inventor: Thomas Middleton Semmes
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Patent number: 8844504Abstract: An exhaust gas recirculation cooler includes an inlet configured to receive exhaust gas from an engine, an outlet configured to direct the exhaust gas back toward the engine, and an exhaust gas flow conduit. The flow conduit includes a first end adjacent the inlet, a second end adjacent the outlet, a first narrow side, a second narrow side, substantially flat broad sides extending between the narrow sides, a first channel adjacent the first narrow side and extending between the ends, a second channel adjacent the second narrow side and extending between the ends, and a plurality of third channels located between the first and second channels and extending between the ends. A plate is located at one end of the flow conduit to inhibit the exhaust gas from flowing through at least one of the first channel and the second channel while allowing exhaust gas flow through the third channels.Type: GrantFiled: March 18, 2011Date of Patent: September 30, 2014Assignee: Modine Manufacturing CompanyInventors: Dan R. Raduenz, Jason J. Braun, Steve P. Meshenky, Thomas R. Grotophorst, Daniel E. Hornback
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Publication number: 20140284031Abstract: Provided is heat exchanger. The heat exchanger includes a plurality of first tubes disposed to form a first row, a plurality of second tubes disposed on a side of the plurality of first tubes to form a second row, and a fin in which the plurality of first tubes and the plurality of second tubes are inserted. The fin comprises a heat separation part for preventing heat conduction from occurring between the first tubes and the second tubes.Type: ApplicationFiled: March 24, 2014Publication date: September 25, 2014Applicant: LG ELECTRONICS INC.Inventors: Sangyeul LEE, Hongseong KIM, Juhyok KIM, Hanchoon LEE
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Publication number: 20140262170Abstract: A heat transfer surface and a heat exchanger comprising the heat transfer surface are disclosed, the heat transfer surface comprising a corrugated member having parallel spaced apart ridges and planar fin surfaces extending therebetween. The planar fins surfaces comprise tabs formed in the surface thereof for forming counter-rotating vortices in the fluid flowing over the heat transfer surface, the tabs being lifted out of the surface of the planar fin surface and extending into or nesting within the openings formed by the corresponding tabs in the adjacent planar fin surface so as to achieve high fin density.Type: ApplicationFiled: March 4, 2014Publication date: September 18, 2014Applicant: Dana Canada CorporationInventors: Andrew Buckrell, Michael Bardeleben
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Patent number: 8826970Abstract: A heat exchanging system (10) comprises a heat exchanger (1) including a tube (2) through which a first fluid flows and a plurality of fins (3) made from thin plates attached to the tube (2) and arranged parallel to each other in the direction along which the tube (2) extends, and a fan (4) for introducing a second fluid between the fins (3). The fin (3) includes concave parts (7) and convex parts (8) continuously and cyclically formed in a zigzag line. The concave parts (7) and the convex parts (8) are so arranged as to extend in the direction crossing the flow direction of the second fluid flowing between the fins (3), and the flow of the second fluid flowing between the fins (3) is made to be cyclically variable.Type: GrantFiled: April 3, 2009Date of Patent: September 9, 2014Assignee: Sharp Kabushiki KaishaInventors: Yukishige Shiraichi, Masaki Ohtsuka
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Patent number: 8800642Abstract: A heat exchanger includes tubes layered in a layering direction, a side plate arranged most outside of the tubes in the layering direction, and a core plate extending in the layering direction. The side plate has an end portion in a longitudinal direction, and the core plate has a wall portion extending in the longitudinal direction. The end portion of the side plate has a brazing section brazed to an outer face of the wall portion of the core plate, and the end portion of the side plate has a through hole located in the brazing section.Type: GrantFiled: March 7, 2011Date of Patent: August 12, 2014Assignee: Denso CorporationInventors: Toshihide Ninagawa, Hidetake Kuwahara
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Patent number: 8739855Abstract: A heat exchanger includes an inlet header configured to receive a cooling fluid and an outlet header configured to discharge the cooling fluid. A plurality of microchannel tubes are in fluid communication with and extend between the inlet header and the outlet header. The microchannel tubes define a first heat exchanger region and a second heat exchanger region between the inlet header and the outlet header. The first heat exchanger region has a plurality of fins defining a first fin density that is greater than a second fin density of the second heat exchanger region.Type: GrantFiled: February 23, 2012Date of Patent: June 3, 2014Assignee: Hussmann CorporationInventors: Steve L. Fritz, Matthew J. DeKam
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Publication number: 20140116662Abstract: A serpentine heat exchanger includes a tube formed by bonding two press-molded tube sheets and folded back in a serpentine shape, and a corrugated fin arranged in a space enclosed by the tube that is folded-back. An inside of a folded-back portion of the tube includes a plurality of protrusions at a distance from one another, the protrusions protruding from one tube sheet and contacting the other tube sheet.Type: ApplicationFiled: May 21, 2012Publication date: May 1, 2014Inventors: Yoshikazu Takamatsu, Masayuki Nakamura
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Patent number: 8671705Abstract: A showcase having a fin-and-tube type cooler includes planar fins and a refrigerant pipe penetrating through the planar fins. The planar fins include long fins arranged in parallel to an air flow direction through the cooler, and short fins shorter in length than the long fins and arranged between adjacent long fins at a downstream side of the cooler. The refrigerant pipe includes first U-shaped hair pins having two straight pipe portions, and second U-shaped hair pins having two straight pipe portions. The pitch between the two straight pipe portions of each second U-shaped hair pin is set to double the pitch between the two straight pipe portions of each first U-shaped hair pin. The first and second U-shaped hair pins penetrate through the hole portions formed in the plural planar fins so as to be arranged in a predetermined style.Type: GrantFiled: November 20, 2007Date of Patent: March 18, 2014Assignee: SANYO Electric Co., Ltd.Inventors: Tomohiro Uchida, Toshiyuki Tamura, Hirofumi Yanagi
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Publication number: 20140069610Abstract: The tank main body of a header tank of a condenser has slits formed in a circumferential wall thereof at positions between opposite end surfaces of the circumferential wall and heat exchange tubes at the opposite ends. Plate-shaped closure members are inserted into the slits from the outside of the tank main body and joined to the circumferential wall of the tank main body. Drain openings are formed in the circumferential wall of the tank main body at positions on the outer sides of the closure members as viewed in the longitudinal direction of the tank main body. A portion of a surface of each closure member which faces outward in the longitudinal direction of the tank main body forms a portion of a peripheral edge of the corresponding drain opening.Type: ApplicationFiled: September 12, 2013Publication date: March 13, 2014Applicant: KEIHIN THERMAL TECHNOLOGY CORPORATIONInventor: Kouta ARINO
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Patent number: 8656988Abstract: A heat exchanger has first and second sides and comprises a pair of tanks, with each of the tanks defining an interior and including a header. A plurality of openings is formed in the header; The heat exchanger comprises a plurality of tubes extending between the openings in the tanks, with each of the tubes having opposite end portions joined to the tanks to fluidly connect the interiors of the tanks through interiors of the tubes. The heat exchanger comprises at least one reinforcement ribbon element extending across a juncture between the header and the plurality of tubes to reinforce a connection between the header and the plurality of tubes.Type: GrantFiled: June 29, 2012Date of Patent: February 25, 2014Assignee: Adams Thermal Systems, Inc.Inventors: Neal Paul, Travis Bunde, Curt Lindstrom
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Patent number: 8613307Abstract: A finned tube heat exchanger includes a plurality heat-transfer fins and a plurality of heat-transfer tubes. The heat-transfer fins are disposed along an airflow direction. The plurality of heat-transfer tubes are inserted into the heat-transfer fins and arranged in a direction substantially orthogonal to the airflow direction. Each of the heat transfer fins includes a plurality of sets of cut-and-raised parts with each set being straightly aligned from the upstream side toward the downstream side. At least one set of cut-and-raised parts is connected by a straight line sloped relative to the airflow direction. Each of the heat transfer fins includes a plurality of concavities with each concavity formed on a periphery of one of the heat-transfer tubes at least partially below a horizontal plane that passes through a center axis of the heat-transfer tubes and lies on an upper surface of the heat transfer fin having the concavity formed therein.Type: GrantFiled: September 28, 2007Date of Patent: December 24, 2013Assignee: Daikin Industries, Ltd.Inventors: Hyunyoung Kim, Hirokazu Fujino, Toshimitsu Kamada, Kazushige Kasai
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Patent number: 8590337Abstract: A condenser assembly for an appliance is provided. The condenser assembly can include a horizontally extending condenser coil assembly that has a plurality of supporting connectors that are arranged at an angle to the flow direction of cooling air. Cooling air is drawn through the refrigerator and across a length of the condenser coil by an air mover. Additionally, a baffle works in conjunction with the air mover to direct cooling air through the condenser coil and connectors.Type: GrantFiled: February 26, 2010Date of Patent: November 26, 2013Assignee: Eletrolux Home Products, Inc.Inventor: Juan Antonio Contreras Lafaire
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Patent number: 8584742Abstract: A heat exchanger having excellent heat exchanging performance is obtainable by a simple production technique and at a low cost. This is achieved by providing a fin member and by increasing heat conductivity between the fin member and a meandering pipe body. Further, the heat exchanger is made compact for high degrees of layout freedom, enabling the heat exchanger to be installed in a tight space. Engagement grooves (8) are provided in both end surfaces (6, 7), which are opposite to each other, of a fin member (5) in which fins (4) are parallel arranged. Straight pipe sections (2) are parallelly arranged, with gaps (16)in between, in the engagement grooves (8) of the fin member (5). The straight pipe sections (2)a are connected at bent sections (3). A pair of meandering sections (11, 12) is arranged opposite to each other with an insertion gap (17) of the fin member (5) in between.Type: GrantFiled: December 10, 2004Date of Patent: November 19, 2013Assignee: Usui Kokusai Sangyo Kaisha, Ltd.Inventors: Masayoshi Usui, Yasuaki Hashimoto, Koichi Hayashi, Shigeyuki Ishida, Tetsuo Ogata, Nagahisa Amano, Koji Kurita, Shu Yotsumoto
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Publication number: 20130299141Abstract: A heat exchanger includes flat tubes and fins. The plate-like fins are spaced from one another by a predetermined distance in the direction in which the flat tubes extend. The flat tubes are inserted in pipe insertion portions of the fins. In the fins, parts of the fins between vertically adjacent ones of the flat tubes are heat transfer parts. Each of the heat transfer parts includes protrusions and louvers. The protrusions are located at a windward region of the heat transfer part and formed by making the heat transfer part protrude in an inverted V shape. The louvers are located in a leeward region of the heat transfer part and bend out from the heat transfer part.Type: ApplicationFiled: January 23, 2012Publication date: November 14, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masanori Jindou, Yoshio Oritani, Shun Yoshioka, Hirokazu Fujino, Toshimitsu Kamada
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Publication number: 20130299142Abstract: A heat exchanger includes flat tubes and fins. The fins are corrugated fins, and are disposed between the flat tubes that are vertically arranged. Between the vertically arranged flat tubes, heat transfer parts of each of the fins are arranged in the direction in which the flat tubes extend. Each of the heat transfer parts include louvers that extend in an up-and-down direction. Bent-out ends of the windward louvers include main edges, upper edges, and lower edges. The upper edges and the lower edges are tilted relative to the main edges. The tilt angle ?5 of the lower edges relative to the main edges is smaller than the tilt angle ?4 of the upper edges relative to the main edges.Type: ApplicationFiled: January 23, 2012Publication date: November 14, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shun Yoshioka, Toshimitsu Kamada
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Publication number: 20130292098Abstract: A plurality of flat tubes is, at one end thereof, connected to a first header collecting pipe, and is, at the other end thereof, connected to a second header collecting pipe. Some of the flat tubes forms a main heat exchange part, and the other flat tubes forms an auxiliary heat exchange part. The number of flat tubes of the auxiliary heat exchange part is less than the number of flat tubes of the main heat exchange part. The total cross-sectional area of flow paths per flat tube provided in the auxiliary heat exchange part is greater than the total cross-sectional area of flow paths per flat tube provided in the main heat exchange part.Type: ApplicationFiled: January 23, 2012Publication date: November 7, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Masanori Jindou, Yoshio Oritani, Hirokazu Fujino, Toshimitsu Kamada, Yoshimasa Kikuchi
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Publication number: 20130240187Abstract: The heat exchanger (1) comprises: two header pipes (2),(3) arranged in parallel with an interval therebetween; a plurality of flat tubes (4) which are arranged between the header pipes and which place coolant paths (5) provided therein in communication with the interior of the header pipes; a plurality of fins (6) attached to the flat surface of each flat tube; and side sheets (10U), (10D) attached to an outside of the fins (6aU), (6aD), which are positioned farthest outward among the plurality of fins. The side sheet (10D) positioned in the bottom part of the heat exchanger (1) has a plurality of notches (11) formed at intervals from each other on the edge of the side where condensed water collects in the heat exchanger (1). The notches are each provided with a width sufficient for covering the interval pitch (P) of the fin by several pitch lengths.Type: ApplicationFiled: November 11, 2011Publication date: September 19, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Satoshi Hamaguchi, Madoka Ueno
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Publication number: 20130240186Abstract: A multiple tube bank heat exchanger includes a first tube bank (100) including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship and a second tube bank (200) including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship. The second tube bank (200) is disposed behind the first tube bank (100) with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank. A continuous folded plate fin extends between the first and second flattened tube segments of both of said first tube bank and said second tube bank.Type: ApplicationFiled: November 14, 2011Publication date: September 19, 2013Inventors: Michael F. Taras, Arindom Joardar, Jack L. Esformes, Kevin B. Dunshee
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Publication number: 20130220584Abstract: A heat exchanger (20) is provided with: two header pipes (21, 22) which are disposed parallel to each other with a space therebetween; a plurality of flat tubes (23) which are disposed between the header pipes, refrigerant passages (24) provided therein communicating with the interiors of the header pipes; and fins (25) which are disposed between the flat tubes. The plurality of flat tubes are divided into two parts: an upper group (27) located in the upper part; and a lower group (28) located in the lower part. The flat tubes of the upper group and parts corresponding thereto of the header pipes constitute an upper heat exchange part (40), and the flat tubes of the lower group and parts corresponding thereto of the header pipes constitute a lower heat exchange part (41).Type: ApplicationFiled: November 17, 2011Publication date: August 29, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Kazuhisa Mishiro, Takeshi Yoshida
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Publication number: 20130213619Abstract: 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.Type: ApplicationFiled: April 2, 2013Publication date: August 22, 2013Applicant: Modine Manufacturing CompanyInventor: Modine Manufacturing Company
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Patent number: 8505618Abstract: A fin (3) of a fin-tube heat exchanger (1) has protuberances (5) each disposed between two adjacent heat transfer tubes (2, 2) and holes 8 (cut-outs) each formed upstream of the protuberances (5). Each of the protuberances (5) has, as an upstream portion adjacent to the hole (8), a wing portion (6) tapering toward an upstream side.Type: GrantFiled: April 4, 2007Date of Patent: August 13, 2013Assignee: Panasonic CorporationInventors: Osamu Ogawa, Kou Komori, Hiroki Hayashi
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Publication number: 20130201628Abstract: There is provided a radiator which includes a tank including first and second chambers that are separated from each other, the first and second chambers including first and second openings, respectively, a first tube including first and second ends, the first and second ends communicating with the first and second chambers, respectively, and a second tube being next to the first tube, the second tube including first and second ends communicating with the first and second chambers, respectively, wherein the first chamber includes first and second flow channels that communicate with the first opening, the first and second channels being split so as to sandwich at least part of the second chamber, and the first ends of the first and second tubes sandwich the second ends of the first and second tubes.Type: ApplicationFiled: February 1, 2013Publication date: August 8, 2013Applicant: FUJITSU LIMITEDInventor: FUJITSU LIMITED
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Publication number: 20130192803Abstract: The invention relates to a heat exchanger including exchange components and fluid flow components (2, 2?, 3), at least one fluid collecting tank (11, 11?) into which the exchange components open out (2, 2?, 3), at least one collecting plate (10) for holding the exchange components (2, 2?, 3) and a housing (4) for accommodating the exchange components (2, 2?, 3). The exchanger is characterized in that it includes a flange (5) for fixing the collecting tank (11, 11?) on the housing (4). Thanks to the invention, the transmission of stresses from the flange (5) to the collecting plate (10) is avoided, which means that a thinner collecting plate (10) is able to be formed.Type: ApplicationFiled: December 2, 2010Publication date: August 1, 2013Applicant: VALEO SYSTEMES THERMIQUESInventors: Paul Garret, Claire Piniarski
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Publication number: 20130186604Abstract: A micro-channel heat exchanger including a first micro-channel heat conduit having a first end section that extends to a second end section through an intermediate section. The intermediate section includes a plurality of substantially straight sections and a plurality of bend sections that establish a first serpentine path. The micro-channel heat exchanger also includes a second micro-channel heat conduit having a first end portion that extends to a second end portion through an intermediate portion. The intermediate portion includes a plurality of substantially straight portions and a plurality of bend portions that establish a second serpentine path. The first serpentine path extends adjacent to the second serpentine path with the plurality of bend portions being interposed between the plurality of bend sections.Type: ApplicationFiled: September 21, 2011Publication date: July 25, 2013Applicant: CARRIER CORPORATIONInventors: Gerold Geppert, Hans-Joachim Huff, Rainer Schrey, Sophie Catherine Mille
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Publication number: 20130180281Abstract: A heat exchanger arrangement is given comprising a heat exchanger (7), the heat exchanger (7) having a primary side connectable to a fluid circulation system and a secondary side exposed to a gas (13). This heat exchanger arrangement should be operated with little energy consumption. To this end the secondary side is connected to a duct (14) extending downwardly in the direction of gravity, when the duct (14) is connected to a cold side heat exchanger (7), and upwardly, when the duct is connected to a warm side heat exchanger.Type: ApplicationFiled: September 26, 2011Publication date: July 18, 2013Applicant: Thermia Varme ABInventor: Albrecht Wurtz
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Publication number: 20130175013Abstract: A heat exchanger includes a pair of headers extending in an up-and-down direction to carry refrigerant, and plural flat tubes connected to the headers at different height positions and extending along a direction intersecting a longitudinal direction of the headers. Each header includes a first member and a flat tube holding member. The first member has a main flow path, and refrigerant connection flow paths to circulate refrigerant between the main flow path and plural refrigerant flow paths formed in the flat tubes. The flat tube holding member holds the flat tubes. End portions of the flat tubes are adhered to the flat tube holding member. Intermediate flow paths interconnect the refrigerant connection flow paths and the plural refrigerant flow paths in the flat tubes. The intermediate flow paths are formed in at least one of the headers and the flat tubes.Type: ApplicationFiled: September 27, 2011Publication date: July 11, 2013Applicant: Daikin Industries, Ltd.Inventors: Shun Yoshioka, Takayuki Hyoudou, Ryuhei Kaji, Yoshikazu Shiraishi, Akihiro Fujiwara, Jihong Liu
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Patent number: 8464779Abstract: A heat radiating fin assembly is formed from alternately stacked first and second heat radiating fins. The first and the second heat radiating fins each are provided on at least one lateral side with a projected point and a receded point, respectively, to thereby define an airflow guiding section on at least one longitudinal side of the heat radiating fin assembly. The airflow guiding section includes a first and a second airflow inlet, and a middle airflow inlet located between the first and the second airflow inlet. The heat radiating fin assembly can be associated with at least one heat pipe and a base to form a thermal module. The airflow guiding section enables widened airflow inlets, shortened airflow paths, reduced airflow pressure drop and flowing resistance, and upgraded cooling air flowing efficiency, so that the heat radiating fin assembly and the thermal module can provide excellent heat dissipating effect.Type: GrantFiled: January 14, 2009Date of Patent: June 18, 2013Assignee: Beijing AVC Technology Research Center Co., Ltd.Inventor: Sheng-Huang Lin
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Publication number: 20130146261Abstract: A radiator for a vehicle may include an inlet tank adapted to receive coolant from an engine; an outlet tank disposed apart from the inlet tank and adapted to discharge the coolant back to the engine; a heat-exchanging portion fluidly connecting the inlet tank and the outlet tank and provided with a plurality of tubes and radiation fins to cool the coolant flowing in the tubes by exchanging heat with air; and a bubble separating unit connected to the inlet tank and adapted to separate bubble contained in the coolant discharged from the engine and to continuously discharge the coolant from which the bubble is separated to a reserve tank to supply the coolant from which the bubble is separated to the heat-exchanging portion.Type: ApplicationFiled: June 25, 2012Publication date: June 13, 2013Applicant: Hyundai Motor CompanyInventor: Jae Yeon KIM
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Publication number: 20130146260Abstract: A radiator apparatus for a vehicle may include an inlet tank receiving coolant from an engine, a heat-exchanging portion fluidly connected to the inlet tank and provided with a plurality of tubes and radiation fins so as to cool the coolant flowing in the tubes by exchanging heat with air, and an outlet tank disposed apart from the inlet tank and fluid-connected to the heat-exchanging portion, wherein the outlet tank receives the coolant from the heat-exchanging portion and discharges the coolant back to the engine, a bubble separating unit mounted on a connecting hose supplying the coolant from the engine to the inlet tank, wherein the bubble separating unit separates bubble contained in the coolant and supplies the coolant from which the bubble may be separated to the inlet tank so as for the coolant to pass through the heat-exchanging portion.Type: ApplicationFiled: June 18, 2012Publication date: June 13, 2013Applicant: Hyundai Motor CompanyInventor: Jae Yeon Kim
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Publication number: 20130133866Abstract: A heat exchanger containing a plurality of spaced-apart plate pairs, where each plate pair defines a flow passage for the flow of a first fluid. In addition, one or more fins are thermally coupled and sandwiched by the spaced-apart plate pairs for flow of a second fluid. And, a fluid manifold that is fluidly coupled to the spaced-apart plate pairs at a manifold end of the spaced-apart plate pairs is provided. Further, a tab that extends from a flange end of a first plate of the first plate pair and in contact with a second tab extending from a flange end of a second plate of a second plate pair for providing a fluid flow blocker. Also, provided is a heat exchanger assembly containing a housing and the heat exchanger described herein.Type: ApplicationFiled: November 28, 2011Publication date: May 30, 2013Applicant: Dana Canada CorporationInventors: Lee Kinder, Colin Shore
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Patent number: 8448698Abstract: A tube for a heat exchanger includes a first and a second plate portions disposed opposite each other. At least the first plate portion includes a base plate portion bonded to the second plate portion by brazing and multiple protruding portions, which protrude from the base plate portion toward an opposite side from the second plate portion, having a first and a second protruding portions. A protruding dimension of the first protruding portion is larger than that of the second protruding portion. The base plate portion and the protruding portions extend straightly in a tube longitudinal direction. The second plate portion and the protruding portions have a clearance therebetween defining an internal fluid passage. The second protruding portion and the base plate portion are configured to define an external fluid passage extending in a tube width direction.Type: GrantFiled: January 7, 2009Date of Patent: May 28, 2013Assignee: Denso CorporationInventors: Hiroyuki Genda, Ryoichi Sanada, Akira Itoh, Masahiro Omae