Side-by-side Tubes Traversing Fin Means Patents (Class 165/151)
  • Publication number: 20150096725
    Abstract: 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: Application
    Filed: October 4, 2013
    Publication date: April 9, 2015
    Applicant: DENSO International America, Inc.
    Inventors: Mark Holmes, Daniel Tylutki
  • Publication number: 20150096736
    Abstract: 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: Application
    Filed: July 3, 2014
    Publication date: April 9, 2015
    Applicant: ORMAT TECHNOLOGIES, INC.
    Inventors: Lucien Y. Bronicki, Uriyel Fisher
  • Publication number: 20150096726
    Abstract: 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: Application
    Filed: May 21, 2013
    Publication date: April 9, 2015
    Inventors: Isabelle Citti, Christian Riondet, Badr Alouane
  • Patent number: 8978743
    Abstract: 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: Grant
    Filed: September 15, 2010
    Date of Patent: March 17, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tomoichiro Tamura, Kou Komori
  • Publication number: 20150068715
    Abstract: 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: Application
    Filed: September 10, 2013
    Publication date: March 12, 2015
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventor: JON RAVER
  • Patent number: 8973647
    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 louver members, thereby improving heat exchange efficiency.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kang Tae Seo, Hayase Gaku, Young Min Kim, Dong Ho Park
  • Publication number: 20150060027
    Abstract: 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: Application
    Filed: July 7, 2014
    Publication date: March 5, 2015
    Inventor: Fumihiro TAWA
  • Publication number: 20150041105
    Abstract: 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: Application
    Filed: August 9, 2013
    Publication date: February 12, 2015
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Michael Zager, Donald E. Army, George Kan, Charles J. McColgan, Nigel Palmer
  • Publication number: 20150034276
    Abstract: 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: Application
    Filed: July 2, 2014
    Publication date: February 5, 2015
    Applicant: ORMAT TECHNOLOGIES, INC.
    Inventors: Lucien Y. BRONICKI, Uriyel FISHER
  • Publication number: 20150034282
    Abstract: 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: Application
    Filed: February 15, 2013
    Publication date: February 5, 2015
    Inventors: Joel T. Hambruch, Bruce W. Dittly, Joseph Coccho, III, Henry C. Goodman
  • Publication number: 20150027161
    Abstract: 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: Application
    Filed: December 26, 2012
    Publication date: January 29, 2015
    Inventors: Yasutaka Ohtani, Yoshio Oritani, Takuya Kazusa, Masanori Jindou, Junichi Hamadate
  • Publication number: 20150007605
    Abstract: 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: Application
    Filed: February 5, 2013
    Publication date: January 8, 2015
    Inventors: Tomohiro Masui, Masashi Kuroishi, Takuya Kazusa, Junichi Hamadate
  • Publication number: 20150000880
    Abstract: 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: Application
    Filed: September 15, 2014
    Publication date: January 1, 2015
    Inventors: DEBASHIS GOSH, SCOTT B. LIPA
  • Publication number: 20150000320
    Abstract: 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: Application
    Filed: December 12, 2012
    Publication date: January 1, 2015
    Inventors: Toshimitsu Kamada, Akihiro Fujiwara, Shin Koizumi, Takayuki Hyoudou, Hirokazu Fujino, Teruo Kido
  • Publication number: 20140374073
    Abstract: 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: Application
    Filed: June 24, 2014
    Publication date: December 25, 2014
    Inventor: Wolfgang Schatz-Knecht
  • Publication number: 20140318751
    Abstract: 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: Application
    Filed: April 11, 2014
    Publication date: October 30, 2014
    Applicant: DANA CANADA CORPORATION
    Inventors: Lee M. Kinder, David Lowe, ALAN K. WU, MICHAEL BARDELEBEN
  • Publication number: 20140318749
    Abstract: 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: Application
    Filed: November 28, 2012
    Publication date: October 30, 2014
    Applicant: DENSO CORPORATION
    Inventor: Yoshiki Katoh
  • Publication number: 20140305158
    Abstract: 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: Application
    Filed: November 2, 2012
    Publication date: October 16, 2014
    Inventors: Shinji Kouno, Yusuke Iino, Yuuichi Matsumoto
  • Patent number: 8851156
    Abstract: 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: Grant
    Filed: May 27, 2010
    Date of Patent: October 7, 2014
    Inventor: Thomas Middleton Semmes
  • Patent number: 8844504
    Abstract: 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: Grant
    Filed: March 18, 2011
    Date of Patent: September 30, 2014
    Assignee: Modine Manufacturing Company
    Inventors: Dan R. Raduenz, Jason J. Braun, Steve P. Meshenky, Thomas R. Grotophorst, Daniel E. Hornback
  • Publication number: 20140284031
    Abstract: 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: Application
    Filed: March 24, 2014
    Publication date: September 25, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangyeul LEE, Hongseong KIM, Juhyok KIM, Hanchoon LEE
  • Publication number: 20140262170
    Abstract: 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: Application
    Filed: March 4, 2014
    Publication date: September 18, 2014
    Applicant: Dana Canada Corporation
    Inventors: Andrew Buckrell, Michael Bardeleben
  • Patent number: 8826970
    Abstract: 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: Grant
    Filed: April 3, 2009
    Date of Patent: September 9, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yukishige Shiraichi, Masaki Ohtsuka
  • Patent number: 8800642
    Abstract: 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: Grant
    Filed: March 7, 2011
    Date of Patent: August 12, 2014
    Assignee: Denso Corporation
    Inventors: Toshihide Ninagawa, Hidetake Kuwahara
  • Patent number: 8739855
    Abstract: 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: Grant
    Filed: February 23, 2012
    Date of Patent: June 3, 2014
    Assignee: Hussmann Corporation
    Inventors: Steve L. Fritz, Matthew J. DeKam
  • Publication number: 20140116662
    Abstract: 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: Application
    Filed: May 21, 2012
    Publication date: May 1, 2014
    Inventors: Yoshikazu Takamatsu, Masayuki Nakamura
  • Patent number: 8671705
    Abstract: 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: Grant
    Filed: November 20, 2007
    Date of Patent: March 18, 2014
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Tomohiro Uchida, Toshiyuki Tamura, Hirofumi Yanagi
  • Publication number: 20140069610
    Abstract: 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: Application
    Filed: September 12, 2013
    Publication date: March 13, 2014
    Applicant: KEIHIN THERMAL TECHNOLOGY CORPORATION
    Inventor: Kouta ARINO
  • Patent number: 8656988
    Abstract: 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: Grant
    Filed: June 29, 2012
    Date of Patent: February 25, 2014
    Assignee: Adams Thermal Systems, Inc.
    Inventors: Neal Paul, Travis Bunde, Curt Lindstrom
  • Patent number: 8613307
    Abstract: 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: Grant
    Filed: September 28, 2007
    Date of Patent: December 24, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Hyunyoung Kim, Hirokazu Fujino, Toshimitsu Kamada, Kazushige Kasai
  • Patent number: 8590337
    Abstract: 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: Grant
    Filed: February 26, 2010
    Date of Patent: November 26, 2013
    Assignee: Eletrolux Home Products, Inc.
    Inventor: Juan Antonio Contreras Lafaire
  • Patent number: 8584742
    Abstract: 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: Grant
    Filed: December 10, 2004
    Date of Patent: November 19, 2013
    Assignee: Usui Kokusai Sangyo Kaisha, Ltd.
    Inventors: Masayoshi Usui, Yasuaki Hashimoto, Koichi Hayashi, Shigeyuki Ishida, Tetsuo Ogata, Nagahisa Amano, Koji Kurita, Shu Yotsumoto
  • Publication number: 20130299141
    Abstract: 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: Application
    Filed: January 23, 2012
    Publication date: November 14, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masanori Jindou, Yoshio Oritani, Shun Yoshioka, Hirokazu Fujino, Toshimitsu Kamada
  • Publication number: 20130299142
    Abstract: 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: Application
    Filed: January 23, 2012
    Publication date: November 14, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shun Yoshioka, Toshimitsu Kamada
  • Publication number: 20130292098
    Abstract: 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: Application
    Filed: January 23, 2012
    Publication date: November 7, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masanori Jindou, Yoshio Oritani, Hirokazu Fujino, Toshimitsu Kamada, Yoshimasa Kikuchi
  • Publication number: 20130240187
    Abstract: 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: Application
    Filed: November 11, 2011
    Publication date: September 19, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Hamaguchi, Madoka Ueno
  • Publication number: 20130240186
    Abstract: 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: Application
    Filed: November 14, 2011
    Publication date: September 19, 2013
    Inventors: Michael F. Taras, Arindom Joardar, Jack L. Esformes, Kevin B. Dunshee
  • Publication number: 20130220584
    Abstract: 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: Application
    Filed: November 17, 2011
    Publication date: August 29, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Kazuhisa Mishiro, Takeshi Yoshida
  • Publication number: 20130213619
    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.
    Type: Application
    Filed: April 2, 2013
    Publication date: August 22, 2013
    Applicant: Modine Manufacturing Company
    Inventor: Modine Manufacturing Company
  • Patent number: 8505618
    Abstract: 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: Grant
    Filed: April 4, 2007
    Date of Patent: August 13, 2013
    Assignee: Panasonic Corporation
    Inventors: Osamu Ogawa, Kou Komori, Hiroki Hayashi
  • Publication number: 20130201628
    Abstract: 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: Application
    Filed: February 1, 2013
    Publication date: August 8, 2013
    Applicant: FUJITSU LIMITED
    Inventor: FUJITSU LIMITED
  • Publication number: 20130192803
    Abstract: 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: Application
    Filed: December 2, 2010
    Publication date: August 1, 2013
    Applicant: VALEO SYSTEMES THERMIQUES
    Inventors: Paul Garret, Claire Piniarski
  • Publication number: 20130186604
    Abstract: 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: Application
    Filed: September 21, 2011
    Publication date: July 25, 2013
    Applicant: CARRIER CORPORATION
    Inventors: Gerold Geppert, Hans-Joachim Huff, Rainer Schrey, Sophie Catherine Mille
  • Publication number: 20130180281
    Abstract: 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: Application
    Filed: September 26, 2011
    Publication date: July 18, 2013
    Applicant: Thermia Varme AB
    Inventor: Albrecht Wurtz
  • Publication number: 20130175013
    Abstract: 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: Application
    Filed: September 27, 2011
    Publication date: July 11, 2013
    Applicant: Daikin Industries, Ltd.
    Inventors: Shun Yoshioka, Takayuki Hyoudou, Ryuhei Kaji, Yoshikazu Shiraishi, Akihiro Fujiwara, Jihong Liu
  • Patent number: 8464779
    Abstract: 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: Grant
    Filed: January 14, 2009
    Date of Patent: June 18, 2013
    Assignee: Beijing AVC Technology Research Center Co., Ltd.
    Inventor: Sheng-Huang Lin
  • Publication number: 20130146261
    Abstract: 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: Application
    Filed: June 25, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventor: Jae Yeon KIM
  • Publication number: 20130146260
    Abstract: 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: Application
    Filed: June 18, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventor: Jae Yeon Kim
  • Publication number: 20130133866
    Abstract: 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: Application
    Filed: November 28, 2011
    Publication date: May 30, 2013
    Applicant: Dana Canada Corporation
    Inventors: Lee Kinder, Colin Shore
  • Patent number: 8448698
    Abstract: 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: Grant
    Filed: January 7, 2009
    Date of Patent: May 28, 2013
    Assignee: Denso Corporation
    Inventors: Hiroyuki Genda, Ryoichi Sanada, Akira Itoh, Masahiro Omae