With Internal Flow Director Patents (Class 165/174)
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Patent number: 10207564Abstract: An exterior heat exchanger is provided with paths P1-P4. The flow rate of the air being blown by an exterior blower to pass through the path P4 closer to a refrigerant outlet of the exterior heat exchanger is set to be higher than that of the air being blown by the exterior blower to pass through the path P1 closer to a refrigerant inlet of the exterior heat exchanger. An air-conditioning controller activates cooling fans during a defrosting mode of operation.Type: GrantFiled: February 8, 2016Date of Patent: February 19, 2019Assignees: Japan Climate Systems Corporation, Panasonic CorporationInventors: Hiroshi Hamamoto, Kohei Fukawatase, Yoshihiko Otake, Kou Komori, Subaru Matsumoto
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Patent number: 10180277Abstract: An exterior heat exchanger is provided with first to fourth paths. The flow rate of the air being blown by an exterior blower to pass through the first path closer to a refrigerant inlet of the exterior heat exchanger is set to be higher than that of the air being blown by the exterior blower to pass through the fourth path closer to a refrigerant outlet of the exterior heat exchanger.Type: GrantFiled: February 8, 2016Date of Patent: January 15, 2019Assignees: Japan Climate Systems Corporation, Panasonic CorporationInventors: Hiroshi Hamamoto, Kohei Fukawatase, Yoshihiko Otake, Kou Komori, Subaru Matsumoto
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Patent number: 10088247Abstract: A stacking-type header according to the present invention includes: a first plate-shaped unit having a plurality of first outlet flow passages formed therein; and a second plate-shaped unit stacked on the first plate-shaped unit, the second plate-shaped unit having a distribution flow passage formed therein, the distribution flow passage being configured to distribute refrigerant, which passes through a first inlet flow passage to flow into the second plate-shaped unit, to the plurality of first outlet flow passages to cause the refrigerant to flow out from the second plate-shaped unit, in which the distribution flow passage includes a branching flow passage including a straight-line part perpendicular to a gravity direction, and in which the refrigerant flows into the branching flow passage through a part between both ends of the straight-line part, passes through both the ends, and flows out from the branching flow passage through a plurality of end portions.Type: GrantFiled: May 15, 2013Date of Patent: October 2, 2018Assignee: Mitsubishi Electric CorporationInventors: Takuya Matsuda, Akira Ishibashi, Takashi Okazaki, Shigeyoshi Matsui, Atsushi Mochizuki
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Patent number: 10041667Abstract: A rapid thermal processing system includes an inorganic heat carrier particles reheater coupled to an inorganic particle cooler. For example. inorganic heat carrier particles may be cooled in a shell and tube inorganic particle cooler by indirect heat exchange with a cooling medium. The cooled inorganic heat carrier particles may then be supplied to a reactor to transfer heat to carbonaceous material.Type: GrantFiled: September 22, 2011Date of Patent: August 7, 2018Assignee: Ensyn Renewables, Inc.Inventors: Sathit Kulprathipanja, Daniel N. Myers, Vincenza Myers, Paolo Palmas
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Patent number: 10041710Abstract: A heat exchanger includes a plurality of flat tubes arranged one above the other, a plurality of fins connected to the flat tubes, a first header collecting pipe in which one end of each of the plurality of flat tubes is inserted, and a second header collecting pipe in which the other end of each of the plurality of flat tubes is inserted. The heat exchanger exchanges heat between a fluid flowing through the flat tubes and air outside the flat tubes. Each of the first and second header collecting pipes extends in a vertical direction. At least one of the first and second header collecting pipes comprises a communication space that communicates with an upstream side of the plurality of flat tubes when the heat exchanger functions as an evaporator. The communication space comprises a partition plate.Type: GrantFiled: September 5, 2014Date of Patent: August 7, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kousuke Morimoto, Yoshio Oritani, Masanori Jindou, Tomohiko Sakamaki, Takuya Kazusa, Junichi Hamadate
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Patent number: 10020077Abstract: A pressurized water reactor (PWR) includes a vertical cylindrical pressure vessel having a lower portion containing a nuclear reactor core and a vessel head defining an integral pressurizer. A reactor coolant pump (RCP) mounted on the vessel head includes an impeller inside the pressure vessel, a pump motor outside the pressure vessel, and a vertical drive shaft connecting the motor and impeller. The drive shaft does not pass through the integral pressurizer. The drive shaft passes through a vessel penetration of the pressure vessel that is at least large enough for the impeller to pass through.Type: GrantFiled: March 30, 2015Date of Patent: July 10, 2018Assignee: BWXT mPower, Inc.Inventor: Scott J. Shargots
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Patent number: 9989283Abstract: A heat exchanger includes a distribution manifold, a plurality of longitudinally spaced tubes having inlet ends opening into the manifold, and a longitudinally extending distributor body disposed within the manifold. The distributor body has a first surface juxtaposed in spaced relationship with the inlet ends of the plurality of tubes and a second surface interfacing with the manifold inner wall. A plurality of discrete flow passages extend from an inlet end of the distributor body and open through the first surface of the distributor body. The plurality of discrete flow passages includes a plurality of longitudinally extending flow passages formed by channels or grooves extending along the interface of the second surface of the distributor body with the inner wall of the distributor manifold.Type: GrantFiled: June 5, 2014Date of Patent: June 5, 2018Assignee: CARRIER CORPORATIONInventors: Abbas A. Alahyari, Thomas D. Radcliff, Richard Rusich
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Patent number: 9919584Abstract: The present invention relates to an evaporator (1000) and, more specifically, to an evaporator (1000), in which refrigerant is uniformly distributed to each area through 8-pass flow from a first area (A1) to an eighth area (A8) so as to reduce temperature variation and maximize the heat exchange efficiency with respect to outdoor air, and air is discharged to the left and right sides in a vehicle room with uniform temperature distribution so as to maintain the comfort of passengers.Type: GrantFiled: August 27, 2015Date of Patent: March 20, 2018Assignee: HANON SYSTEMSInventor: Duck-Ho Lee
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Patent number: 9901966Abstract: A method is disclosed for assembling a flattened tube multiple tube bank heat exchanger that includes a first tube bank and a second tube bank, each bank including a plurality tube segments extending longitudinally in spaced parallel relationship. A spacer clip is installed on a longitudinally extending edge of each heat exchange tube segment arrayed in a first layer of tube segments. A plurality of heat exchange tube segments are arrayed in a second layer in engagement with the spacer clips installed on the tube segments of the first layer.Type: GrantFiled: January 29, 2013Date of Patent: February 27, 2018Assignee: CARRIER CORPORATIONInventors: Michael F. Taras, Arindom Joardar, Melkamu Woldesemayat, Bruce J. Poplawski
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Patent number: 9810487Abstract: A heat exchanger has an intake header, a discharge header, a bundle of tubes extending in parallel between the intake header and the discharge header, an intake pipe connected to the intake header and extending transversely to the axes of the tubes of the bundle, the intake pipe having a first end opening into the header and a second end connectable to a process fluid supply pipe, and a baffle assembly for modifying the direction and rate of flow of the process fluid through the intake header, the baffle assembly being located within the intake pipe and secured to the intake pipe at a position adjacent the second end of the intake pipe. The baffle assembly comprises a plurality of slats lying in planes generally parallel to one another and inclined to the direction of fluid flow, and runners connected to the ends thereof to form a rigid structure.Type: GrantFiled: July 29, 2013Date of Patent: November 7, 2017Assignee: Tube Tech International Ltd.Inventors: Michael Watson, Derek Sumsion
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Patent number: 9803932Abstract: The invention provides methods and devices for heating or cooling viscous materials such as meat emulsions useful for producing food and other products. The devices include a heat exchanger comprising a first plate, a second plate attached to the first plate, and a first spacer and a second spacer arranged between the first plate and the second plate. The first plate, the second plate, the first spacer, and the second spacer define at least one temperature controlled passage for a product to pass through the heat exchanger.Type: GrantFiled: June 29, 2012Date of Patent: October 31, 2017Assignee: NESTEC SAInventors: Kevin J. Cully, Andrew Joseph Brinkmann, Ronald Lee Nash, William D. Short, Trent C. Lorraine, Jerry J. Hankins
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Patent number: 9759492Abstract: A heat exchanger, particularly for a heating or air conditioning system for motor vehicles, includes at least one inlet channel and at least one outlet channel and at least one collector, which has at least two metal sheets or plates abutting each other, and a flow device through which a first medium can flow, while a second medium can flow around the flow device. The first medium is distributed by an inlet channel to the collector and to the flow device and can be conducted to an outlet channel, and at least one further channel for distributing the coolant is provided, which is connected in a communicating manner via at least one opening to the inlet channel.Type: GrantFiled: November 16, 2009Date of Patent: September 12, 2017Assignee: MAHLE International GmbHInventors: Boris Kerler, Wolfgang Seewald, Markus Ruehl, Christoph Walter, Karl-Heinz Staffa, Michael Geiger, Michael Kranich, Ingo Geiger, Wolfgang Geiger, Alexander Satrapa
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Patent number: 9752833Abstract: A heat exchanger comprises a first header (1), a second header (2) spaced apart from the first header (1) by a predetermined distance, flat tubes (3) each of which defines two ends connected to the first and second headers (1, 2), respectively, to communicate the first and second headers (1, 2), fins (4) interposed between adjacent flat tubes (3), and a flow member defining a fluid-flow passage and forming a partition-wall-type heat-exchanging unit with the second header (2). A refrigeration system comprises a compressor, a condenser, a throttle device, and an evaporator that is the heat exchanger. The compressor, condenser, throttle device, and evaporator are connected sequentially, and at least part of refrigerant flowing out of an outlet of the condenser enters into the flow member to exchange heat with a refrigerant flowing out of an outlet of the evaporator.Type: GrantFiled: May 9, 2011Date of Patent: September 5, 2017Assignees: Sanhua (Hangzhou) Micro Channel Heat Exchange Co., Ltd, Danfoss A/SInventors: Qiang Gao, Yanxing Li, Lin-Jie Huang
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Patent number: 9746255Abstract: A heat pump heat exchanger includes a first manifold, a second manifold spaced from the first manifold, a plurality of refrigerant tubes hydraulically connecting the manifolds, and a distribution tube disposed in the first manifold. The distribution tube includes an inlet end, a distal end opposite the inlet end, a plurality of orifices between the inlet end and the distal end. The distribution tube also includes a terminal aperture immediately adjacent the distal end, wherein the terminal aperture includes an open aperture area greater than any one of the open orifice area. The open aperture area is large enough to provide a uniform refrigerant collection with acceptable minimal pressure drop in evaporative mode, but small enough to prevent vapor overflow to an area of the manifold adjacent to the distal end in condenser mode. The length of the distribution tube is less than ¾ the length of the first manifold.Type: GrantFiled: November 7, 2013Date of Patent: August 29, 2017Assignee: MAHLE International GmbHInventors: Yanping Xia, Russell S. Johnson
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Patent number: 9708944Abstract: The invention relates to an apparatus for supplying a coolant to a closed fluid circuit, preferably for an exhaust gas cooler of an internal combustion engine of a motor vehicle, comprising a connecting stub, wherein the connecting stub is designed for insertion into a coolant connection, wherein a flow-directing device, which is of projection-like design, for the coolant is integrated in the interior of the connecting stub.Type: GrantFiled: September 22, 2015Date of Patent: July 18, 2017Assignee: MAHLE INTERNATIONAL GMBHInventors: Jens Holdenried, Cecilia Marola
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Patent number: 9709338Abstract: Heat exchanger having a block of flat tubes arranged parallel to one another and having fins arranged between the flat tubes, wherein the flat tubes form flow ducts through which a refrigerant can flow, and a coolant can flow around the flat tubes, wherein the flat tubes are in fluid communication, at end regions, with collecting tanks, wherein the refrigerant can be made to flow into an inflow region of a collecting tank in fluid communication with at least one of the flow ducts, wherein the inflow region has a line, which extends through the inflow region, for inflow of the refrigerant, wherein a refrigerant passage is provided from the line to the collecting tank inflow region, said refrigerant passage arranged in the central region of the collecting take inflow region, wherein the central region is in relation to a direction oriented perpendicularly to a plane of the flat tubes.Type: GrantFiled: September 25, 2013Date of Patent: July 18, 2017Assignee: MAHLE INTERNATIONAL GMBHInventor: Günther Feuerecker
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Patent number: 9651317Abstract: A first header collecting pipe is divided into an upper space corresponding to an upper heat exchange region and a lower space corresponding to a lower heat exchange region. The lower space is divided into a plurality of communication spaces corresponding respectively to auxiliary heat exchange parts of the lower heat exchange region. A second header collecting pipe is divided into a communication space corresponding to both of a first main heat exchange part and the third auxiliary heat exchange part, and into communication spaces corresponding respectively to other main heat exchange parts and the other auxiliary heat exchange parts. Each of pairs of communication space and communication space is connected to an associated one of communication pipes.Type: GrantFiled: January 23, 2012Date of Patent: May 16, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masanori Jindou, Yoshio Oritani, Hirokazu Fujino, Toshimitsu Kamada
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Patent number: 9625214Abstract: In a heat exchanger, a plate member of a tank portion includes a first fluid communication passage through which a first tank space communicates with first tubes, and a second fluid communication passage through which a second tank space communicates with second tubes. Either an upstream first tube group of the first tubes or a downstream first tube group of the first tubes, whichever is larger in a pressure loss of the first fluid, configures a higher pressure loss first tube group, and the other first tube group smaller in the pressure loss of the first fluid configures a lower pressure loss first tube group. A flow channel resistance between the higher pressure loss first tube group and the first tank space is smaller than a flow channel resistance between the lower pressure loss first tube group and the first tank space.Type: GrantFiled: November 28, 2012Date of Patent: April 18, 2017Assignee: DENSO CORPORATIONInventor: Yoshiki Katoh
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Patent number: 9599409Abstract: A heat exchanger, in particular for a heating or air-conditioning system in a motor vehicle, having an evaporator unit to which a refrigerant medium can be supplied via a distribution unit and through which said refrigerant medium flows and around which said refrigerant medium flows after only one diversion (two-block design) at the bottom in a diversion unit, wherein the distribution unit is designed to effect a uniform distribution of the refrigerant medium over the full width of the evaporator.Type: GrantFiled: February 6, 2012Date of Patent: March 21, 2017Assignee: MAHLE INTERNATIONAL GMBHInventors: Andreas Freund, Wolfgang Seewald, Michael Sickelmann, Bernd Schäfer
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Patent number: 9551540Abstract: A lower space of a first header collecting pipe of a heat exchanger is, by partitions, divided into three communication chambers and a single mixing chamber. The mixing chamber communicates with the communication chamber through a through-hole of a lower horizontal partition, communicates with the communication chamber through a through-hole of a vertical partition, and communicates with the communication chamber through a through-hole of an upper horizontal partition. Gas-liquid refrigerant flows into the mixing chamber, and is mixed in the mixing chamber. Then, the refrigerant is distributed to the communication chambers. Thus, the wetness of refrigerant flowing into a flat tube is uniformized among the flat tubes, and performance of the heat exchanger can be fully achieved.Type: GrantFiled: November 22, 2012Date of Patent: January 24, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masanori Jindou, Yoshio Oritani, Takuya Kazusa, Yasutaka Ohtani, Junichi Hamadate, Yoshimasa Kikuchi
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Patent number: 9534850Abstract: A tube bundle heat exchanger has tubes which are held at each side in tube plates or oval-tube collecting-tube plates and are connected to these in each case by means of a weld seam. The connection of the tubes to the inlet-side tube plate or oval-tube collecting-tube plate is formed in each case by means of a conical and/or trumpet-shaped transition piece. The cross section of the transition piece reduces as viewed in the gas flow direction in such a way that the inlet-side end, as viewed in the gas flow direction, of the transition piece is connected in a butt joint to the tube plate or oval-tube collecting-tube plate. The inner and outer contours of the transition piece and of the welded connection region are formed without gaps and corners to the tube plate or oval tube collecting-tube plate and so as to be straight and/or with a radius, measured from the outer contour, of at least 5 mm.Type: GrantFiled: January 19, 2007Date of Patent: January 3, 2017Assignee: Arvos Technology LimitedInventor: Jiri Jekerle
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Patent number: 9518788Abstract: A first header collecting pipe of an outdoor heat exchanger has three communication chambers and one mixing chamber. One auxiliary horizontal partition plate is disposed between two main horizontal partition plates. The mixing chamber is defined between the first main horizontal partition plate and the auxiliary horizontal partition plate. A gas-liquid two-phase refrigerant supplied to the outdoor heat exchanger functioning as an evaporator flows into the mixing chamber, and is then distributed to the three communication chambers. This structure allows the refrigerant that is to be distributed from the mixing chamber to the communication chambers to have a uniform wetness.Type: GrantFiled: May 20, 2014Date of Patent: December 13, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masanori Jindou, Yoshio Oritani, Takuya Kazusa, Junichi Hamadate, Yasutaka Ohtani
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Patent number: 9453684Abstract: A heat exchanger for the cooling of hot gases by means of a cooling fluid includes at least one vertically oriented tank containing a cooling fluid bath and having a collection space of the vapor phase generated above said cooling fluid bath, at least one vertical tubular element inserted inside said tank, and submerged in the bath open at the ends and coaxial to the tank, at least one spiral duct which rotates around the axis of the tank, inserted in the coaxial tubular element, at least one outlet for the vapor phase generated on the head of tank, wherein at least one transfer line is inserted in the lower part of the vertical tank for feeding the hot gases to the tank, the transfer line being open at the two ends, of which one is connected with the vertical tank and the other is free and outside the tank, the transfer line being tubular and protruding laterally outside the exchanger, the transfer line containing at least one central internal duct having an outer jacket in which a cooling fluid circulates,Type: GrantFiled: December 29, 2011Date of Patent: September 27, 2016Assignee: ENI S.P.A.Inventors: Alfred Joachim Wilhelm, Luca Eugenio Basini
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Patent number: 9366463Abstract: A leeward upper header portion of an evaporator includes first through third sections which communicate with upper ends of heat exchange tubes of first through third tube groups of a leeward tube row. The second tube group, which is an upward flow tube group, and the third tube group, which is a downward flow tube group, form a tube group set. A baffle plate is provided in the second section to be located on the side toward the third section. The baffle plate divides a portion of the interior of the second section into upper and lower spaces and prevents flow of refrigerant toward the upper space. A flow prevention member is provided below the baffle plate so as to prevent flow of refrigerant from the second section into the third section. These two sections communicate with each other in a region above the baffle plate.Type: GrantFiled: October 25, 2011Date of Patent: June 14, 2016Assignee: KEIHIN THERMAL TECHNOLOGY CORPORATIONInventors: Naohisa Higashiyama, Osamu Kamoshida, Motoyuki Takagi, Takashi Hirayama
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Patent number: 9335076Abstract: A distributor assembly for a space conditioning system comprising a sealed expansion device and a sealed distributor housing. The expansion device has a first opening, a second opening and an interior chamber there-between. The interior chamber contains an orifice housing, wherein the orifice housing has a through-hole orifice therein. The orifice housing is configured to move between the first opening and the second opening within the interior chamber. An outer surface of the orifice housing forms a fluid stop around the first opening such that a refrigeration fluid of the space conditioning system delivered through the second opening can substantially only pass through the through-hole orifice to the first opening. The distributor housing has a largest opening that is permanently sealed to the first opening of the sealed expansion device and a plurality of smaller openings configured to be fluidly connected to a heat-exchange coil of the space conditioning system.Type: GrantFiled: September 4, 2012Date of Patent: May 10, 2016Assignee: Allied Air Enterprises LLCInventor: Hany Roman
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Patent number: 9151540Abstract: The present disclosure is directed to multichannel tubes with flow path inlet sections that allow refrigerant to enter the flow paths through an outer wall of the multichannel tubes. In certain embodiments, a portion of the outer wall is removed to expose the flow paths to a distribution chamber within an inlet manifold divided into an inlet section and a distribution section by a distributor. According to certain embodiments, the inlet section may be designed to have a relatively small cross-sectional area that promotes mixed phase flow of liquid and vapor refrigerant. The multichannel tubes extend into the distribution section to partition the distribution section into a series of distribution chambers defined by a pair of adjacent tubes, the distributor, and the inlet manifold. Within each distribution chamber, the refrigerant may be directed into the multichannel tubes through the flow path inlet sections of the multichannel tubes.Type: GrantFiled: June 27, 2011Date of Patent: October 6, 2015Assignee: Johnson Controls Technology CompanyInventors: Jerome Anthony Matter, III, Jeffrey Lee Tucker
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Patent number: 9115934Abstract: A heat exchanger, such as a radiator, may transfer heat from a liquid and employ a first header tank, a second header tank, a plurality of tubes fluidly joining the first and second header tanks, and a baffle within one of the first or second header tanks. The baffle may be located in a header tank positioned substantially parallel or perpendicular to a surface upon which a vehicle employing the hear exchanger rests. The baffle may be a wall defining only one slot, a wall defining only one slot that is open through one side of the wall, a wall that defines a plurality of slots, or a wall that defines a plurality of holes. The heat exchanger may further employ fluidly isolated first and second tube and fin sections each defining a self-contained flow path for cooling different liquids. The baffle may slow coolant flow in a flow path.Type: GrantFiled: March 15, 2010Date of Patent: August 25, 2015Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Christopher Kopchick, Michiyasu Yamamoto
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Patent number: 9109794Abstract: A method of generating steam by heating water in a steam generator comprising a plurality of steam generating channels, wherein water is supplied at a constant rate to each steam generating channel through respective water supply lines, and wherein a sufficient pressure drop is provided across each water supply line in order to prevent flow reversal in the plurality of steam generating channels.Type: GrantFiled: July 18, 2006Date of Patent: August 18, 2015Assignee: CERAMIC FUEL CELLS LIMITEDInventors: Michael Kah, Khaliq Ahmed, Geoffrey James Mentink, Nicholas Victor Orr, Brian Parris, Richard James Payne, Daniel Michael Xerri
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Publication number: 20150129182Abstract: A heat exchanger for a motor vehicle, said heat exchanger including an outer casing in which heat exchanger tubes are arranged and a medium can be guided into the casing on the front side and can be evacuated on the opposite side, and a second medium can be guided to the casing via the lateral side, wherein a channel extends along at least part of the periphery on the outer side of the casing, the second medium can be guided by a supply line into the peripheral channel and passes the channel into the inner chamber of the casing via the openings in the casing.Type: ApplicationFiled: April 30, 2013Publication date: May 14, 2015Applicants: BENTELER AUTOMOBILTECHNIK GMBH, BENTELER AUTOMOTIVE CORPORATIONInventors: Michael T. Glass, John Studabaker
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Publication number: 20150129172Abstract: A heat transfer apparatus and related methods are provided. The heat transfer apparatus and related methods more precisely distribute fluid flow to meet heat removal needs in single-phase and/or a two-phase heat exchange systems by restricting fluid flow through one or more heat exchanger channels.Type: ApplicationFiled: November 10, 2014Publication date: May 14, 2015Inventors: David Zietlow, Steven Gutschlag, Timothy Swingler
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Publication number: 20150129180Abstract: A heat exchanger system includes a fluid distribution element and a 1 pass heat exchanger. The fluid distribution element has a central inlet and fluid-sealed, channel-like fluid guide which branches into a plurality of fluid guidance channels. The 1 pass heat exchanger consists of a plurality of through-flowable tubes disposed in one plane and having planar partial faces, preferably flat tubes, and fins connected on the planar partial faces to the tubes. Each of the through-flowable tubes has a tube inlet and a tube outlet, the tube outlets opening into a fluid collection system. The fluid distribution element having the same number of fluid outlets as the 1 pass heat exchanger has through-flowable tubes and at least one of a direct connection of the fluid distribution element to the 1 pass heat exchanger or an indirect connection of the fluid distribution element to the 1 pass heat exchanger.Type: ApplicationFiled: June 7, 2013Publication date: May 14, 2015Applicant: Fraunhofer-Gesellschaft zur Foerderung der antgewandten Forschung e.V.Inventors: Andreas Strehlow, Birgo Nitsch, Thore Oltersdorf, Markus Werner
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Publication number: 20150122470Abstract: A heat pump heat exchanger includes a first manifold, a second manifold spaced from the first manifold, a plurality of refrigerant tubes hydraulically connecting the manifolds, and a distribution tube disposed in the first manifold. The distribution tube includes an inlet end, a distal end opposite the inlet end, a plurality of orifices between the inlet end and the distal end. The distribution tube also includes a terminal aperture immediately adjacent the distal end, wherein the terminal aperture includes an open aperture area greater than any one of the open orifice area. The open aperture area is large enough to provide a uniform refrigerant collection with acceptable minimal pressure drop in evaporative mode, but small enough to prevent vapor overflow to an area of the manifold adjacent to the distal end in condenser mode. The length of the distribution tube is less than 3/4 the length of the first manifold.Type: ApplicationFiled: November 7, 2013Publication date: May 7, 2015Inventors: YANPING XIA, RUSSELL S. JOHNSON
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Patent number: 9022101Abstract: Arrangement for circulating liquid in a liquid cooler (11) intended particularly for power electronics appliances, inside which cooler at least two longitudinal main ducts (22, 23) are arranged and transverse ducts (21) arranged between them and connecting them, and in which cooler at least one of the longitudinal ducts is an input duct (22), into which liquid from coming from outside is led via an input joint (12) and one is an output duct (23), from where the liquid is led out via the output joint (13), inside which output duct a tubular additional part (41) having an open end at least on the side of the output joint is installed, and which additional part is arranged detached from the output duct such that a gap remains between the outer surface of the additional part and the inner surface of the output duct for enabling a liquid flow in the output duct outside the additional part, and in which arrangement a first aperture or first apertures (P, N, P2) are arranged in the part of the additional part on theType: GrantFiled: November 18, 2010Date of Patent: May 5, 2015Assignee: Vacon OyjInventor: Petri Kamula
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Patent number: 9016355Abstract: In a compound type heat exchanger, a first heat exchanger includes a pair of tanks arranged a certain distance apart from each other and a core part having tubes and fins that are alternately piled up between the pair of tanks. One of the pair of tanks is composed of a plurality of divided bodies that are connected along a longitudinal direction of the one of the pair of tanks. One of the plurality of divided bodies is provided with an accommodation portion that projects outwardly to communicate with the one of the plurality of divided bodies. A second heat exchanger is arranged in the accommodation portion through an opening portion of the accommodation portion, which is provided with an input port. Heat is exchanged between an intake air of the first heat exchanger that flows in the accommodation portion and a coolant of the second heat exchanger.Type: GrantFiled: January 7, 2010Date of Patent: April 28, 2015Assignee: Calsonic Kansei CorporationInventor: Tadahiro Hirai
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Publication number: 20150101363Abstract: A header that has a configuration in which the header is connected to one end of each of a plurality of flattened pipes of a heat exchanger that flows a refrigerant in parallel to the plurality of flattened pipes disposed in parallel and an interior of the header is divided by one or more division plates in a parallel direction in which the plurality of heat-transfer pipes are disposed in parallel, the header being mounted so as to stand in an up-down direction, and a distributor configured to distribute the refrigerant to each chamber within the header divided by the division plates, are provided.Type: ApplicationFiled: April 26, 2012Publication date: April 16, 2015Applicant: Mitsubishi Electric CorporationInventors: Takuya Matsuda, Akira Ishibashi, Sangmu Lee, Takashi Okazaki
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Patent number: 8999287Abstract: A device for mixing and cooling two reactive liquids, comprising a bundle type heat exchanger with parallel tubes, a head space open to one end of all tubes, a first inlet to the head space for introducing a first liquid and a second inlet to the head space with a multitude of nozzles for introducing a second liquid, the nozzles being located within the head space and oriented to direct the introduced liquid transverse to the axis of the tubes of the tube bundle, is useful for making peroxomonosulphuric acid from 85 to 98% by weight sulphuric acid introduced into the first inlet of the device and 50 to 80% by weight aqueous hydrogen peroxide introduced into the second inlet of the device.Type: GrantFiled: September 19, 2012Date of Patent: April 7, 2015Assignee: Evonik Degussa GmbHInventors: Terry Brown, Peter Stesel, Alan Hitchiner
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Patent number: 8974934Abstract: A battery module is provided. The battery module includes a battery cell and a heat exchanger disposed adjacent to the battery cell. The battery module further includes a cooling manifold having a tubular wall, a first fluid port, and a ring shaped member. The tubular wall defines an interior region and having first and second end portions. The first fluid port extends outwardly from an outer surface of the tubular wall and fluidly communicates with the interior region of the tubular wall. The ring shaped member is disposed on an outer surface of the first fluid port a predetermined distance from the outer surface of the tubular wall.Type: GrantFiled: August 16, 2012Date of Patent: March 10, 2015Assignee: LG Chem, Ltd.Inventors: Robert Merriman, Thomas J. Gadawski, Josh Payne
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Publication number: 20150053385Abstract: The heat exchanger flow balancing system serves to substantially equalize fluid flow through essentially identical diameter heat exchanger tubes in a heat exchanger having a single inlet plenum, a single outlet plenum, and a series of equal diameter heat exchanger tubes extending therebetween. In one embodiment, a series of different diameter orifices are provided at the inlet end of each of the tubes, with those tubes farther from the single larger diameter inlet pipe to the plenum generally having smaller orifices. In another embodiment, each of the tubes is provided with a conical nozzle at its inlet end, with those tubes farther from the single inlet pipe to the plenum generally having smaller diameter nozzles. The effect is to substantially equalize fluid flow through all of the heat exchanger tubes, thus increasing the efficiency of the heat exchanger.Type: ApplicationFiled: August 22, 2013Publication date: February 26, 2015Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: SYED A. M. SAID, RACHED BEN MANSOUR, MOHAMED A. HABIB, MUHAMMAD UMAR SIDDIQUI
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Patent number: 8943854Abstract: Disclosed is a heat exchanger of a plate type comprising an evaporator having at least one inlet and at least one outlet allowing a first medium to enter into and exit from the evaporator. The evaporator comprises a plurality of interconnected evaporation chambers disposed in parallel, having at least one common inlet and at least one common outlet allowing the first medium to enter into and exit from the evaporation chambers.Type: GrantFiled: January 6, 2009Date of Patent: February 3, 2015Assignee: Danfoss Qinbao (Hangzhou) Plate Heat Exchanger Company LimitedInventor: Lars Persson
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Patent number: 8944154Abstract: A heat exchanger has partitioning means for dividing a header tank such that a first space and a second space of a tank main body are arranged in a longitudinal direction of the header tank. An annular outer peripheral seal surface is provided around a tube bonding surface of a core plate of the header tank over an entire perimeter thereof and is provided with a gasket. A partitioning seal surface is provided to the tube bonding surface at a position corresponding to the partitioning means, and is provided with the gasket. The gasket seals between the core plate and the partitioning means. The partitioning seal surface is positioned on a plane identical with a plane of the outer peripheral seal surface. A part of the gasket, which is held by the core plate and the tank main body therebetween, has a uniform thickness.Type: GrantFiled: November 3, 2010Date of Patent: February 3, 2015Assignee: Denso CorporationInventors: Eizou Takahashi, Mitsuru Kimata, Akira Yamanaka, Masaya Nakamura, Yasuhiro Mizuno
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Patent number: 8925625Abstract: A heat exchanger has a flat tube (10) having a curved portion (13). A part of the curved portion (13) is formed by overlapping an outer rim (22) on an inner rim (21). The inner rim (21) has a small curvature region (102). The small curvature region (102) is inclined to a flat plate portion (11), and is defined by a radius larger than a difference between a half of a thickness of the flat tube (10) and a thickness of the outer rim (22). The small curvature region (102) is not beyond a center line (C1) in a thickness of the flat tube (10). The outer rim (22) extends beyond the center line (C1). The outer rim (22) has an end face (22a) placed on the small curvature region (102). The flat tube (10) has flared portions (15, 16) expanded at insertion holes (54).Type: GrantFiled: July 10, 2008Date of Patent: January 6, 2015Assignee: Denso CorporationInventors: Toshihide Ninagawa, Tatsuo Ozaki, Takahide Oohara, Noriyuki Miyazaki, Mitsuyoshi Saito, U Ou, Norio Yoshida, Tetsuya Sakakibara, Kazuhiro Mitsukawa
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Patent number: 8915293Abstract: An exemplary heat exchanger includes evaporator channels and condenser channels, connecting parts for providing fluid paths between evaporator channels and the condenser channels, a first heat transfer element for transferring a heat load to a fluid in said evaporator channels, and a second heat transfer element for transferring a heat load from a fluid in the condenser channels. In order to achieve a heat exchanger that can be used in any position, the evaporator channels and said condenser channels can have capillary dimensions. The connecting part arranged at a first end of heat exchanger can include a first fluid distribution element for conducting fluid from a predetermined condenser channel into a corresponding predetermined evaporator channel, and the connecting part arranged at a second end of the heat exchanger can include a second fluid distribution element for conducting fluid from a predetermined evaporator channel into a corresponding predetermined condenser channel.Type: GrantFiled: November 30, 2010Date of Patent: December 23, 2014Assignee: ABB Research LtdInventors: Bruno Agostini, Francesco Agostini
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Patent number: 8910704Abstract: An outer peripheral sealing surface of an inner surface of a core plate of a header tank is configured into a loop and extends along an outer peripheral edge portion of the core plate and clamps a packing in cooperation with an outer peripheral end portion of a tank main body of the header tank. A transition section of the outer peripheral sealing surface connects between a primary section and a secondary section, which are located in two different planes, respectively, and the plane of the secondary section is the same as a plane of a boundary portion sealing surface held between two tube connecting surfaces in the core plate.Type: GrantFiled: March 28, 2012Date of Patent: December 16, 2014Assignee: Denso CorporationInventors: Yasuhiro Mizuno, Ryutaro Nozaki, Hiroshi Yamasaki, Hirotaka Ishikawa, Ryuji Shirakawa, Shuhei Yamazaki, Syunji Itou
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Publication number: 20140352352Abstract: An outdoor heat exchanger has a total length of refrigerant flow passage in which a refrigerant flows along a refrigerant tube, and exchanges heat with outdoor air, the outdoor heat exchanger including a plurality of refrigerant tubes spaced apart from one another, a first and second header respectively coupled to both end portions of each of the refrigerant tubes, and a plurality of heat exchanging fins coupled to outer surfaces of the refrigerant tubes to widen a surface making contact with an outside, wherein a total length of a refrigerant flow passage in which a refrigerant flows along the refrigerant tube and exchanges heat with outdoor air is equal to or greater than about 1500 mm and equal to or less than about 6000 mm, in which range, the outdoor heat exchange achieves the optimum performance.Type: ApplicationFiled: May 28, 2014Publication date: December 4, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin Woo HONG, Dong Suk Kim, Jung Ho Kim, Ha Na Kim, Jong Yeop Baek, Byung Han Lim, Hong Gi Cho, Dong Hyun Kim, Jun Woo Suh, Hyun Chul Cho, Yong Hwa Choi
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Patent number: 8893738Abstract: A heat transfer apparatus and related methods are provided. The heat transfer apparatus and related methods more evenly distribute fluid flow in two-phase heat exchange systems by restricting fluid flow to one or more tube.Type: GrantFiled: March 27, 2013Date of Patent: November 25, 2014Assignee: Bradley UniversityInventors: John Seeli, David Zietlow
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Patent number: 8869830Abstract: The invention describes features that can be used to control flow to an array of microchannels. The invention also describes methods in which a process stream is distributed to plural microchannels.Type: GrantFiled: November 23, 2011Date of Patent: October 28, 2014Assignee: Velocys, Inc.Inventors: Anna Lee Tonkovich, Ravi Arora, David Kilanowski
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Patent number: 8851158Abstract: A multi-chamber heat exchanger header includes a header housing and an insert. The header housing has a first wall and a second wall generally opposite the first wall where the first and second walls define a track. The insert is positioned to engage with the track such that the insert separates the header into first and second manifold chambers. A method for forming a multi-chamber heat exchanger header includes extruding a header housing having first and second manifold chambers and a track, positioning an insert in the header housing to engage with the track, and welding or brazing the insert to the header housing.Type: GrantFiled: February 17, 2009Date of Patent: October 7, 2014Assignee: Hamilton Sundstrand CorporationInventors: Abbas A. Alahyari, Brian R. Shea, George E. Wilmot
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Publication number: 20140290923Abstract: A cooling system is provided. The cooling system includes a first heat exchanger and a second heat exchanger. The first heat exchanger has a first chamber and a second chamber. A plurality of tubes is provided in the first heat exchanger such that the tubes are in fluid communication with the first chamber and the second chamber. The tubes are arranged in a plurality of rows. A baffle is located in the second chamber. The baffle divides the second chamber into a first region and a second region. The first region of the second chamber is in fluid communication with at least one row of tubes. Further, an outlet is provided in fluid communication with the first region. The second heat exchanger includes an inlet in communication with the outlet of the first region.Type: ApplicationFiled: April 1, 2013Publication date: October 2, 2014Applicant: Caterpillar Inc.Inventors: Joseph M. Huelsmann, Neil A. Terry, Kevin A. Sheets, Albert Yuen-Chang Lee
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Patent number: 8826969Abstract: An inlet arrangement (1) for use in plate heat exchangers (2) is disclosed. The arrangement comprises an element with a dispersion opening (6) for arrangement in an inlet (5) in a plate exchanger. The inlet arrangement (1) is arranged to form a mainly fitting cylinder wall when introduced in the inlet (5). The cylinder wall comprises at least one opening (6) which extends partly or fully along the length of the inlet (5) and is sealingly arranged towards the inlet (5) of the plate heat exchanger. Furthermore, the opening (6) is oriented towards one side at an angle from the perpendicular. The use of such inlet arrangement (1) is also disclosed.Type: GrantFiled: June 14, 2005Date of Patent: September 9, 2014Assignee: Institutt for EnergiteknikkInventors: Tove Risberg, Stein Rune Nordtvedt, Svein Grandum, Bjarne Horntvedt
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Publication number: 20140224461Abstract: A heat exchanger (1) for a motor vehicle includes a plurality of tubes (2) arranged in a first and a second row (3A, 3B); a first and a second header tank (4, 5) inside which tanks (4, 5) the tubes (2) of each of the rows (3A, 3B) emerge; and a longitudinal dividing partition (16) arranged in the first header tank (4) to divide the first header tank (4) longitudinally into refrigerant inlet and outlet compartments (17, 18) into which the tubes (2) of the first row (3A) and of the second row (3B) emerge. The longitudinal dividing partition (16) includes a plurality of transverse dividing partitions (27) arranged in the second header tank (5) to divide the second header tank (5) transversely into a plurality of return compartments (28) into which at least one tube (2) of each of the rows (3A, 3B) emerges.Type: ApplicationFiled: June 28, 2012Publication date: August 14, 2014Applicant: Valeo Systemes ThermiquesInventors: Aurelie Bellenfant, Alain Pourmarin, Fabienne Bedon, Eric Goyet, Jean-Christophe Prevost, Virginie Vincent