With Internal Flow Director Patents (Class 165/174)
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Patent number: 12241699Abstract: A heat exchanger includes tubes, a tank, and a prevention plate arranged inside the tank and contacting end surfaces of the tubes to prevent heat medium from flowing into the tubes in a certain region. Flow paths are formed in each tube and arranged in a width direction of the tube. The prevention plate includes a deformable portion elastically deformable by contacting an edge of the opening at a time of inserting the prevention plate into the tank from the opening. The deformable portion of the prevention plate that has been inserted into the tank is restored and receives a reaction force from an inner surface of the tank such that the prevention plate is shifted along the width direction by the reaction force.Type: GrantFiled: July 5, 2022Date of Patent: March 4, 2025Assignee: DENSO CORPORATIONInventors: Hiroshi Hamada, Tomohiko Nakamura, Ichio Kamei, Shota Chatani
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Patent number: 12209814Abstract: A heat exchanger is formed by stacking plates with each other. The heat exchanger includes a refrigerant receiving tank configured to receive a refrigerant, a refrigerant discharging tank configured to discharge the refrigerant that has heat-exchanged, and refrigerant passages in which heat exchange between the refrigerant and another fluid is performed. The refrigerant passages fluidly connect between the refrigerant receiving tank and the refrigerant discharging tank. The refrigerant receiving tank includes a swirl structure configured to generate a swirling component in a flow of the refrigerant in the refrigerant receiving tank.Type: GrantFiled: February 4, 2022Date of Patent: January 28, 2025Assignee: DENSO CORPORATIONInventors: Kengo Kikuchi, Kenshiro Muramatsu, Yusuke Takagi, Satoshi Nita
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Patent number: 12196506Abstract: A heat exchanger including a tube/rib block made up of tubes and ribs, the tubes forming fluid channels for conducting a first fluid, in particular a refrigerant, and the ribs arranged between the tubes forming a second fluid channel for conducting a second fluid, such as, in particular, air, which flows around the tubes, a collector being arranged at at least one end of the tube/rib block, which communicates with the fluid channels of the tubes, the at least one collector being provided with a plate-type design and including at least one base plate and a cover plate, which are stacked and soldered in a sealed manner, a spacer for spacing the base plate at a distance from the cover plate and for distributing the first fluid in the collector being provided.Type: GrantFiled: August 9, 2022Date of Patent: January 14, 2025Assignee: Mahle International GmbHInventors: Benjamin Nothdurft, Uwe Foerster, Martin Sievers, Gottfried Duerr, Patrick Walz, Nikolaj Bittner
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Patent number: 12160094Abstract: A method for producing a panel with integrated conductor tracks and electronic components. The panel includes a panel body, wherein the panel body is in particular a sandwich structure, and a membrane. The membrane is connected to the panel body and has integrated conductor tracks and electronic components. At the beginning of the method, an operation for attaching the conductor tracks and the electronic components to the membrane is provided. The subsequent step includes an operation for connecting the membrane, fitted with the conductor tracks and the electronic components, to the panel body.Type: GrantFiled: August 15, 2022Date of Patent: December 3, 2024Assignee: Airbus (S.A.S.)Inventors: Alois Friedberger, Wolfgang Machunze
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Patent number: 12130097Abstract: A heat exchanger having: an inlet header having inlet tubes stacked against the first side of the heat exchanger; an outlet header having outlet tubes stacked against the second side of the heat exchanger, first inlet and outlet tubes have a same length as each other, second inlet and outlet tubes have the same length as each other and are longer than the first inlet and outlet tubes, and third inlet and outlet tubes have a same length as each other and are longer than the second inlet and outlet tubes; core channels extend from the first side to the second side of the heat exchanger, the core channels connect the inlet tubes to the outlet tubes such that: the first inlet tube and third outlet tube are connected; the second inlet tube and second outlet tube are connected; and the third inlet tube and first outlet tube are connected.Type: GrantFiled: September 15, 2022Date of Patent: October 29, 2024Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Joseph E. Turney, Robert H. Dold, Kathryn L. Kirsch, Matthew B. Kennedy
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Patent number: 12111122Abstract: A heat exchanger includes a first collecting pipe, a number of heat exchange tubes and a partition plate. The heat exchange tubes are inserted into the first collecting pipe. By means of the partition plate, a first inner cavity of the first collecting pipe is divided into a first sub-cavity and a second sub-cavity. One end of each heat exchange tube is in communication with the first sub-cavity. In the process of a refrigerant entering the first collecting pipe, the refrigerant flows into the second sub-cavity firstly, and forms a severe turbulence effect after interacting with the heat exchange tubes inserted into the second sub-cavity. Then, the refrigerant flows into the first sub-cavity through holes provided in the partition plate, and then flows into the heat exchange tubes. As a result, the uniformity of the two-phase refrigerant distribution can be relatively improved.Type: GrantFiled: December 16, 2021Date of Patent: October 8, 2024Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.Inventors: Zhenbo Yang, Zhaogang Qi, Weidong Xu, Linjie Huang
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Patent number: 12061055Abstract: There is provided a heat exchanger comprising: a conduit defining an inlet flow path for a fluid; a header disposed to receive a flow from the inlet flow path; a heat exchanger matrix disposed to receive a flow from the header; and a swirler disposed within the conduit and the header. The swirler is arranged to disperse a flow from the inlet flow path over the heat exchanger matrix. The conduit, header, and swirler are formed as a unitary piece by additive manufacturing.Type: GrantFiled: April 21, 2021Date of Patent: August 13, 2024Assignee: HS MARSTON AEROSPACE LIMITEDInventor: Neil Basini
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Patent number: 12044480Abstract: A heat exchanger includes a tubular refrigerant distributor having insertion holes spaced from each other in a first direction and into which ends of heat transfer tubes are inserted in a second direction. A first partition plate partitions the refrigerant distributor into a first space into which the ends of the heat transfer tubes are inserted and a second space, larger than the first space, into which the ends of the heat transfer tubes are not inserted; and an inflow pipe provided on a one side-surface side of the refrigerant distributor. The heat transfer tubes are located apart from the first partition plate in the first space. The first partition plate is provided with an orifice that is provided at a location corresponding to a space between adjacent ones of the heat transfer tubes, and that causes the first space and the second space to communicate with each other.Type: GrantFiled: February 4, 2019Date of Patent: July 23, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoji Onaka, Takashi Matsumoto, Rihito Adachi, Ryota Akaiwa, Takashi Sekiya, Hayato Taniue, Satomi Asai
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Patent number: 12025346Abstract: The present invention relates to a smoke tube boiler including: a mix chamber which includes a mixing space in which combustion gas and air are mixed, a mix chamber body having a flat shape, and a flat plate-shaped burner disposed in a horizontal direction above a combustion chamber; and a heat exchanger which includes an outer shell forming an outer wall of a water tank into and from which a heat medium is introduced and discharged and which accommodates the heat medium, a plurality of tubes formed in a flat shape that are configured to allow combustion gas generated in the combustion chamber to flow therein and cause a heat exchange to occur between the combustion gas and the heat medium flowing outside the tubes, turbulators coupled to an inner side of the tube and configured to induce occurrence of a turbulent flow in the flow of the combustion gas, and multi-stage barriers disposed between the outer shell and the tube and configured to induce a heat medium flow direction to be alternately changed betweenType: GrantFiled: December 11, 2018Date of Patent: July 2, 2024Assignee: KYUNGDONG NAVIEN CO., LTD.Inventors: Jun Kyu Park, Sung Cheul Cho, In Chul Jeong
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Patent number: 11994346Abstract: According to various embodiments of the invention, a heat exchanger can have at least one duct for conveying a coolant, wherein the at least one duct has a first section and a second section, the first section being arranged in the at least one duct upstream relative to the second section, in relation to a flow direction of the coolant, the second section having a cross section area that is larger than a cross section area of the first section, such that a sublimation of the coolant in the second section is made possible.Type: GrantFiled: May 20, 2020Date of Patent: May 28, 2024Assignee: Technische Universitat DresdenInventors: Andreas Wagner, Yixia Xu, Ullrich Hesse
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Patent number: 11976855Abstract: A heat exchanger and an air conditioner including the same. The heat exchanger includes a plurality of heat transfer tubes formed in a flat shape and configured to allow a refrigerant to flow in a vertical direction therein. The heat transfer tube includes a gas refrigerant region including one end connected to a refrigerant inlet port and another end disposed above the refrigerant inlet port; a two-phase refrigerant region including one end connected to the other end of the gas refrigerant region and another end disposed below a refrigerant outlet port; and a liquid refrigerant region including one end connected to the other end of the two-phase refrigerant region and another end connected to the refrigerant outlet port.Type: GrantFiled: November 13, 2020Date of Patent: May 7, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Hyunyoung Kim, Yo Agata, Kentaro Imagawa, Tadahiro Nakagawa, Takeshi Takahara
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Patent number: 11940229Abstract: A heat exchanger has a plurality of rows of media guiding ducts (12) for passing a media flow, a plurality of rows of fluid ducts for passing fluid to be temperature-controlled, and strip-shaped flow profile parts (20). At a transition between guide parts of the flow profile parts (20) and their plug-in parts, two mutually opposite steps are formed. The steps allow the flow profile part (20) to sit on the adjacent end faces of a fluid duct without spacing. The flow profile part (20) does not project at any point into a free opening cross section, which is defined by the imaginary extension of the inner, mutually facing boundary walls of a media duct (12) and by a media inlet of this duct (12).Type: GrantFiled: October 28, 2019Date of Patent: March 26, 2024Assignee: HYDAC COOLING GMBHInventors: Benjamin Theobald, Thomas Wolfanger, Ditmar Georgi
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Patent number: 11913735Abstract: A heat exchanger includes a collecting pipe, a number of heat exchange tubes and a distribution pipe. A pipe wall of the distribution pipe defines a number of through holes communicating with the collecting pipe. The through holes are a first through hole, . . . an (n?1)th through hole and an nth through hole disposed in sequence along a direction from a first end to a second end of the distribution pipe. A distance between an (i+1)th through hole and an ith through hole is: di=?iL0, i=1, 2, . . . n?1, ?=0.618, L0 is a distance between adjacent heat exchange tubes. As a result, uniformity of refrigerant distribution in the heat exchanger is improved.Type: GrantFiled: May 25, 2021Date of Patent: February 27, 2024Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.Inventors: Zhaogang Qi, Linjie Huang, Qiang Gao, Jianlong Jiang, Yujiao Niu, Chunyu Shao
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Patent number: 11892251Abstract: A heat exchanger has a collecting pipe, a separator and a number of heat exchange tubes. The collecting pipe has a pipe wall and an inner cavity. The separator is provided in the inner cavity. The separator extends along a lengthwise direction of the collecting pipe. The separator divides the collecting pipe into a first cavity and a second cavity. The heat exchange tubes are arranged along the lengthwise direction. Each heat exchange tube has a first end and an inner cavity. The first end of the heat exchange tube sequentially passes through the pipe wall of the collecting pipe, the first cavity and the separator to be inserted into the second cavity. The inner cavity of the heat exchange tube is communicated with the second cavity. As a result, uniformity of refrigerant distribution in the heat exchanger is improved.Type: GrantFiled: May 25, 2021Date of Patent: February 6, 2024Assignee: HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.Inventors: Zhaogang Qi, Linjie Huang, Qiang Gao, Jianlong Jiang, Yujiao Niu, Chunyu Shao
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Patent number: 11886258Abstract: Embodiments are disclosed of a hybrid heat sink. The hybrid heat sink includes a dry base and a wet base spaced apart from the dry base. The wet base including a fluid inlet and a fluid outlet. A plurality of air channels is formed between the dry base and the wet base; and a plurality of liquid channels are formed between the dry base and the wet base. The plurality of liquid channels are coupled to the fluid inlet and the fluid outlet, and the plurality of liquid channels are thermally coupled to the plurality of air channels. Other embodiments are disclosed and claimed.Type: GrantFiled: February 6, 2020Date of Patent: January 30, 2024Assignee: BAIDU USA LLCInventor: Tianyi Gao
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Patent number: 11847430Abstract: Disclosed examples include non-volatile counter systems to generate and store a counter value according to a sensor pulse signal, and power circuits to generate first and second supply voltage signals to power first and second power domain circuits using power from the sensor pulse signal, including a switch connected between first and second power domain supply nodes, a boost circuit, and a control circuit to selectively cause the switch to disconnect the first and second power domain circuits from one another after the first supply voltage signal rises above a threshold voltage in a given pulse of the sensor pulse signal, and to cause the boost circuit to boost the second supply voltage signal after the regulator output is disconnected from the second power domain supply node in the given pulse.Type: GrantFiled: November 8, 2021Date of Patent: December 19, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Sudhanshu Khanna, Hao Meng, Michael Zwerg, Christy Leigh She, Steven Craig Bartling
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Patent number: 11835304Abstract: A heat exchanger is provided for a gas turbine engine. This heat exchanger includes a pair of heat exchanger manifolds and a stack of flow channel modules arranged and fluidly coupled between the heat exchanger manifolds. The flow channel modules include a first flow channel module that includes a first heat exchanger section and a second heat exchanger section. The first heat exchanger section includes a base plate, a plurality of flow channel walls and a plurality of heat transfer augmentors. The flow channel walls project out from the base plate to the second heat exchanger section thereby forming a plurality of flow channels between the first heat exchanger section and the second heat exchanger section. The heat transfer augmentors project partially into at least one of the flow channels. A first of the heat transfer augmentors is formed from a different material than the base plate.Type: GrantFiled: November 2, 2020Date of Patent: December 5, 2023Assignee: RTX CORPORATIONInventors: Chris Vargas, Daniel B. Denis
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Patent number: 11802719Abstract: The refrigerant circuit includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, and a second flow path switching unit. The outdoor heat exchanger has a plurality of first flat heat transfer tubes, a plurality of second flat heat transfer tubes, and a plurality of third flat heat transfer tubes. The second flow path switching unit switches the refrigeration cycle apparatus between a third state and a fourth state. In the third state, the plurality of first flat heat transfer tubes and the plurality of third flat heat transfer tubes are sequentially connected in series. In the fourth state, the plurality of first flat heat transfer tubes, the plurality of second flat heat transfer tubes, and the plurality of third flat heat transfer tubes are connected in parallel to each other.Type: GrantFiled: July 20, 2018Date of Patent: October 31, 2023Assignee: Mitsubishi Electric CorporationInventor: Takuya Matsuda
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Patent number: 11747097Abstract: A receiving box for a heat exchanger may include a box body delimiting at least one duct formed in the box body. The box body may include a plurality of receptacles configured to receive a plurality of tube bodies of the heat exchanger. The plurality of tube bodies may each be fluidically connected to the at least one duct. The box body may define an injection tube that extends along the at least one duct and is separated from the at least one duct via the box body. The injection tube may include at least one outlet opening fluidically connected to the at least one duct.Type: GrantFiled: December 20, 2019Date of Patent: September 5, 2023Inventors: Axel Dolderer, Gottfried Duerr, Guenther Feuerecker, Richard Goce, Benjamin Nothdurft
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Patent number: 11738317Abstract: An improved reactor comprising a shell and at least one reactor internal component. The reactor internal component includes a tube bundle comprising a plurality of tubes attached by at least one tube support plate comprising at least one radial strut and at least one bracket configured to secure to at least one tube of the tube bundle. The tubes are arranged in concentric bands about a longitudinal axis of the reactor. The reactor comprises a gas inlet plate, a catalyst support plate, and a top plate.Type: GrantFiled: January 13, 2022Date of Patent: August 29, 2023Assignee: CRI, HFInventors: Ingi Mar Jonsson, Emeric Sarron, Asgeir Ivarsson
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Patent number: 11629896Abstract: A heat exchanger includes: a plurality of flat tubes arranged in a height direction of the heat exchanger; a connection portion in which a plurality of connection spaces are provided as spaces with which ends of the plurality of flat tubes are connected; and a refrigerant distributor connected to each of the plurality of connection spaces. The flat tubes each have a first side end portion located on a windward side, a second side end portion located on a leeward side, and a plurality of refrigerant passages arranged between the first and second side end portions. Each flat tube is inclined such that in the height direction, the position of the first side end portion is lower than the position of the second side end portion.Type: GrantFiled: May 1, 2018Date of Patent: April 18, 2023Assignee: Mitsubishi Electric CorporationInventors: Shinya Higashiiue, Ryota Akaiwa, Tsuyoshi Maeda, Atsushi Mochizuki
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Patent number: 11614260Abstract: A heat exchanger includes a first header and a second header. The second header has at least a first volume and a second volume. The second header additionally includes a bend region such that the second header has a non-linear configuration. A flow restricting element is arranged within the second header within the bend region. A plurality of heat exchange tubes is arranged in spaced parallel relationship and fluidly coupling the first header and second header.Type: GrantFiled: May 4, 2018Date of Patent: March 28, 2023Assignee: CARRIER CORPORATIONInventors: Kazuo Saito, Arindom Joardar, Robert A. Leffler
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Patent number: 11566824Abstract: A distributor (100), a falling film evaporator and a refrigerating system. The distributor includes: a sprayer (110), the top of the sprayer being connected to a falling film evaporator inlet (230), and the bottom of the sprayer being provided with spray holes (111); and an orifice plate (120) disposed at a lower end of the sprayer and provided with multiple distribution holes (121), wherein a centrifugal gas-liquid separating element is disposed in the sprayer and is configured to separate a refrigerant entering the sprayer through the evaporator inlet into a gas phase and a liquid phase. In the distributor, the centrifugal gas-liquid separating element is disposed in the sprayer, so that a two-phase refrigerant entering the sprayer through the evaporator inlet can be better separated under dual effects of the gravity and the centrifugal force.Type: GrantFiled: October 12, 2018Date of Patent: January 31, 2023Assignee: CARRIER CORPORATIONInventor: Junjie Guo
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Patent number: 11492953Abstract: Apparatuses and methods are disclosed including heat exchanger for an internal combustion engine. The heat exchanger can include a main body, a manifold and one or more outlet ports. The main body can have an inlet and an outlet to receive/pass a coolant on a first side thereof. The main body can have a fluid inlet and fluid outlet configured to receive a fluid. The main body can pass the fluid in a heat exchange relationship with the coolant. The manifold can be coupled to the main body on a second side. The manifold can be in fluid communication with a main coolant outlet passage to receive a portion of the coolant from the main body. The one or more outlet ports can be fluidly connected to the manifold and passing the portion of the coolant to one or more engine auxiliary systems.Type: GrantFiled: November 9, 2021Date of Patent: November 8, 2022Assignee: Caterpillar Inc.Inventors: Allen Y. Chen, Jason L. Van Farowe, Scott R. Schuricht, Kyle V Zeitler
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Patent number: 11473854Abstract: A heat exchange device including a center manifold including flow passages configured to exchange heat between heat exchange fluid within the flow passages and fluid external of the flow passages, wherein adjacent ends of adjacent flow passages each direct fluid flow in opposite directions, at least one separator plate arranged within the center manifold, wherein the inlet and the outlet of each flow passage is separated one of the plurality of separator plates, at least one angled center manifold plate arranged within the center manifold, wherein the angled center manifold plate is angled or curved to alter a static pressure profile throughout the center manifold and make more uniform distribution of flow among channels of the flow passages, wherein a downstream end of the at least one angled center manifold plate abuts an arcuate segment connecting adjacent separator plates.Type: GrantFiled: July 25, 2019Date of Patent: October 18, 2022Assignee: Hamilton Sundstrand CorporationInventor: Gregory K. Schwalm
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Patent number: 11421939Abstract: An inlet distributor for a plate heat exchanger is disclosed. The plate heat exchanger includes a plate set. A fluid channel is formed between each two adjacent plates of the plate set, and each plate has first fluid openings and second fluid openings to form inlet channels and outlet channel for fluid to alternatively flow into and out of the fluid channels. The inlet distributor includes a collecting pipe, and at least one horizontal partition plate disposed on the inner wall of the collecting pipe. The collecting pipe can be mounted on an inlet end of the inlet channel, and the horizontal partition plate is coaxially extended into the inlet channels. When the fluid flows into the collecting pipe, the horizontal partition plate separates liquid and vapor of the fluid and guides the vapor to fluid channel in different position away from the inlet end, along the horizontal partition plate.Type: GrantFiled: September 16, 2019Date of Patent: August 23, 2022Assignees: NATIONAL CENTRAL UNIVERSITY, WROCLAW UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chien-Yuh Yang, Fu-Chen Lin, Ziemowit Malecha, Pawel Pluszka
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Patent number: 11408688Abstract: A heat exchanger (1) includes a fluid collector (2) for receiving fluid, a multiphase distributor (3) for distributing fluid, a first flow path (4), and a plurality of multi-duct tubes (6), which each have a duct tube longitudinal axis (7) and which each lead into the multiphase distributor (3) and into the fluid collector (2) by forming an orifice (8, 9). A second flow path (5) leads respectively through the multi-duct tubes (6), the fluid collector (2), and the multiphase distributor (3), wherein the multi-duct tubes (6) extend through the first flow path (4) for the first fluid, so that the first fluid can flow around and the second fluid can flow through the multi-duct tubes (6).Type: GrantFiled: June 17, 2020Date of Patent: August 9, 2022Assignee: MAHLE International GmbHInventor: Scott Edward Kent
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Patent number: 11365940Abstract: The plate-type heat exchanger includes blocks stacked on each other, each of the blocks including a heat exchanger body configured to exchange heat between a first fluid and a second fluid. A connection passage for the first fluid is formed between blocks adjacent to each other of the plurality of blocks, the connection passage allowing the outlet of one of the blocks adjacent to each other and the inlet of the other of the blocks adjacent to each other to communicate with each other, the first fluid in the blocks adjacent to each other having different flow directions between the blocks adjacent to each other, and a second connection passage is provided between at least one pair of blocks adjacent to each other among the plurality of blocks, the second connection passage being configured to cause the first fluid to flow to a position different from the connection passage.Type: GrantFiled: November 5, 2019Date of Patent: June 21, 2022Assignee: Rinnai CorporationInventors: Takashi Ojiro, Takahiro Ono
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Patent number: 11353266Abstract: A shell and tube heat exchanger has elongated shell having first and second opposing ends and an open interior. A core divides the open interior of the shell into first and second enclosed portions. The shell has first and second tube fluid openings at opposing ends. End plates divide the first and second enclosed portions into manifold portions and enclosed shell chamber portions. Tubes extend from the end plates, through the enclosed shell chambers to the core. Shell fluid openings are at sides of the elongated shell, a first fluid opening communicating with the first shell chamber, and a second fluid opening communicating with the second shell chamber. The shell has a long axis, and the end plates are angled relative to the long axis. The tubes are polygonal with rounded corners and straight sides. The heat exchanger can be used for both evaporation and condensation processes.Type: GrantFiled: September 29, 2020Date of Patent: June 7, 2022Assignee: UT-BATTELLE, LLCInventors: Adrian S. Sabau, James W. Klett, Yarom Polsky
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Patent number: 11346584Abstract: A refrigerant evaporator includes a first core, a second core, a first plate, and a second plate. The first core and the second core respectively include a plurality of first tubes and a plurality of second tubes extending along a tube longitudinal direction and stacked along a tube stacking direction. The first plate houses one end portions of the first tubes and the second tubes. The second plate faces the first core and the second core across the first plate and is joined to the first plate in the tube longitudinal direction. The second plate includes a plurality of ribs. The ribs and the first plate define a plurality of intermediate passageways therein. Each of the intermediate passageways allows communication between a corresponding one of the first tubes and a corresponding one of the second tubes.Type: GrantFiled: October 16, 2019Date of Patent: May 31, 2022Assignee: DENSO CORPORATIONInventor: Tetsuo Kozasa
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Patent number: 11333369Abstract: A refrigerant distributor has a double-pipe structure including an inner pipe and an outer pipe. A plurality of outer pipes are disposed, each of the plurality of outer pipes being the outer pipe. A space is formed between adjacent ones of the plurality of outer pipes. The inner pipe is disposed to be continuous through the plurality of outer pipes. A plurality of heat-transfer tubes are arrayed in a direction in which the outer pipe extends and connected to the outer pipe. The refrigerant distributor distributes refrigerant flowing into between the inner pipe and the outer pipe to the plurality of heat-transfer tubes.Type: GrantFiled: June 11, 2018Date of Patent: May 17, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoji Onaka, Shigeyoshi Matsui, Takashi Matsumoto, Rihito Adachi
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Patent number: 11181328Abstract: A heat exchanger including: a header; flat tubes connected to the header and disposed in line along a longitudinal direction of the header; a first partition that partitions an inner space of the header into a first space on a side where the flat tubes are connected and a second space on a side opposite to the first space; and a second partition that partitions the inner space of the header into a first side and a second side. The first side is one side of the header in the longitudinal direction and the second side is opposite to the first side. The first partition has a common opening. The common opening includes an insertion opening and a refrigerant opening. A refrigerant moves between the first space and the second space via the refrigerant opening. The second partition is inserted into the insertion opening.Type: GrantFiled: March 27, 2018Date of Patent: November 23, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Ken Satou, Tomohiko Sakamaki, Kouju Yamada, Masanori Jindou, Tomoya Yamaguchi, Satoshi Inoue, Shun Yoshioka, Yoshio Oritani, Hiroaki Matsuda
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Patent number: 11149996Abstract: A heat exchanger is provided and includes a header, a tubular element and an expansion disc assembly. The expansion disc assembly includes a disc body and an actuator. The disc body includes two or more leaves fluidly interposed between the tubular element and the header and configured to cooperatively assume a closed condition by a first shuttering action at which the disc body exclusively inhibits a flow of the fluid, a fully open condition by a second shuttering action at which the disc body permits the flow of the fluid and partial open conditions between the closed and full open conditions by third shuttering actions at which the disc body exclusively inhibits a portion of the flow of the fluid. The actuator is controllable to cause the disc body to execute the first, second and third shuttering actions to assume the closed, fully open and partial open conditions.Type: GrantFiled: January 30, 2019Date of Patent: October 19, 2021Assignee: CARRIER CORPORATIONInventors: Kevin Mercer, James Amick
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Patent number: 11143465Abstract: Shell-and-tube equipment includes a shell that surrounds a plurality of tubes. At least one end of each tube is joined to an inlet tube-sheet provided with respective tube-sheet bores. The inlet tube-sheet is provided with a first side and with a second side. The inlet tube-sheet is connected to each tube of the tube bundle, on its second side, in such a way that each tube does not extend inside the respective tube-sheet bore. The inlet tube-sheet is provided, on at least part of its tube-sheet bores, with respective tubular protection devices. Each tubular protection device is made in the form of a butt, or a piece of tube, that extends from the first side of the inlet tube-sheet at a respective tube-sheet bore.Type: GrantFiled: March 7, 2018Date of Patent: October 12, 2021Assignee: ALFA LAVAL OLMI S.P.AInventor: Giovanni Manenti
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Patent number: 11098927Abstract: A distributor includes: a fluid inlet; a plurality of fluid outlets; a distribution flow passage which causes the fluid inlet to communicate with the fluid outlets, and distributes fluid which flows into the distribution flow passage through the fluid inlet, among the fluid outlets; and a plurality of heat-transfer-tube insertion portions each formed to face an associated one of the fluid outlets, the heat-transfer-tube insertion portions allowing heat transfer tubes to be inserted therein. The heat transfer tubes are inserted in the heat-transfer-tube insertion portions such that an end portion of each of the heat transfer tuber is connected to the associated fluid outlet.Type: GrantFiled: December 21, 2016Date of Patent: August 24, 2021Assignee: Mitsubishi Electric CorporationInventors: Shinya Higashiiue, Takehiro Hayashi, Yohei Kato, Shigeyoshi Matsui
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Patent number: 11054192Abstract: A heat exchanger includes: a header; flat tubes disposed in line along a longitudinal direction of the header and connected to the header: a refrigerant pipe connected to an introduction space in the header; and a nozzle. When the heat exchanger operates as an evaporator of a refrigerant, the refrigerant is fed through the nozzle from the introduction space to a supply space disposed adjacent to the introduction space in the longitudinal direction of the header. The nozzle is disposed on a side closer to the flat tubes than to the refrigerant pipe. A width of a first zone in the introduction space on the side closer to the flat tubes is smaller than a width of a second zone in the introduction space on a side where the refrigerant pipe is connected.Type: GrantFiled: March 27, 2018Date of Patent: July 6, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Satoshi Inoue, Shun Yoshioka, Masanori Jindou, Yoshio Oritani, Tomohiko Sakamaki, Tomoya Yamaguchi, Ken Satou, Kouju Yamada, Hiroaki Matsuda
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Patent number: 11029102Abstract: A heat exchanger includes a conduit, a header, and a swirler been formed as a unitary piece by additive manufacturing. The swirler is disposed within the conduit and the header and is arranged to disperse a flow from an inlet flow path a heat exchanger matrix. The swirler extends a only portion of the length of the header between the conduit and the heat exchanger matrix and thereby provides space within the header for fluid to diffuse before entering the heat exchanger matrix.Type: GrantFiled: January 11, 2018Date of Patent: June 8, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventor: Neil Basini
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Patent number: 11022372Abstract: An air conditioner that includes a heat exchanger including: heat-transfer pipes extending in a horizontal direction and spaced apart at predetermined intervals in a vertical direction and configured to allow a thermal medium to flow therein. A part of the heat transfer pipes are used for at least one inflow path into which the thermal medium flows from the outside of the heat exchanger and the other part of the heat transfer pipes are used for at least one outflow path from which the thermal medium flows out to the outside. At least one connection pipe through which an outlet side of one of the at least one inflow path communicates with an inlet side of one of the at least one outflow path.Type: GrantFiled: June 27, 2018Date of Patent: June 1, 2021Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.Inventors: Shuuhei Tada, Kenji Matsumura, Nagatoshi Ooki, Mamoru Houfuku, Takeshi Endo
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Patent number: 10976107Abstract: A heat exchanger for several applications such as a vehicle is described herein. The heat exchanger includes an inlet header tank configured to receive a fluid, an outlet header tank configured to output the fluid, and an intermediate tank between the inlet header tank and the outlet header tank. A first heat exchanger is between the inlet header tank and the intermediate tank, and a second heat exchanger is between the intermediate tank and the outlet header tank. The intermediate tank has an interior region having a plurality of protuberances disposed therein. The protuberances are configured to facilitate mixing of the fluid within the intermediate tank. The mixing of the fluid with the protuberances provides a more uniform heat distribution within the intermediate tank before entering the second heat exchanger.Type: GrantFiled: October 26, 2018Date of Patent: April 13, 2021Assignee: DENSO INTERNATIONAL AMERICA, INC.Inventor: Daniel Mark Stephens
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Patent number: 10955197Abstract: A heat exchanger having a core defining a plurality of first fluid flow passages and a plurality of second fluid flow passages arranged in alternating order, and a housing enclosing the core. The housing has a top wall arranged opposite to the top of the core, and a bottom wall arranged opposite to the bottom of the core. A plurality of connecting structures which together provide a rigid connection between the core and the housing, wherein each of the connecting structures provides a connection between the top of the core and the top wall of the housing, or between the bottom of the core and the bottom wall of the housing. Wherein each of the connecting structures has a first connecting element and a second connecting element. The first connecting element is associated with the core and the second connecting element is associated with the housing.Type: GrantFiled: February 1, 2017Date of Patent: March 23, 2021Assignee: Dana Canada CorporationInventors: Nikolas S. Stewart, Lee M. Kinder
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Patent number: 10914319Abstract: A cooling device includes a cooler disposed inside a shell, an inlet nozzle that is configured to feed a fluid into the shell, an outlet nozzle that is configured to feed the fluid passing through the cooler so as to flow outward, and a guide member that is configured to change a flowing direction of the fluid. The guide member has a collision surface which spreads in an inclined direction inclined with respect to the flowing direction of the fluid fed into the shell from the inlet nozzle, and which collides with the fluid, and an uneven portion formed in at least a portion of a peripheral edge portion of the collision surface.Type: GrantFiled: February 26, 2016Date of Patent: February 9, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Satoshi Saburi, Naoyuki Nagai, Hiroyuki Miyata, Naoto Yonemura, Koichi Mizushita
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Patent number: 10914527Abstract: 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 buttjoint 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 comers 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: November 23, 2016Date of Patent: February 9, 2021Assignee: ARVOS GMBHInventor: Jiri Jekerle
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Patent number: 10899196Abstract: A refrigeration cycle device includes an exterior heat exchanger that includes a core portion including a stack of a plurality of tubes. The core portion has a first core portion, a second core portion and a third core portion each of which includes a tube group of the plurality of tubes. A flow direction of a refrigerant flowing through the second core portion in a heating operation is opposite to that in a cooling operation. Flow directions of the refrigerant flowing through the first core portion and the third core portion in the heating operation are same as those in the cooling operation.Type: GrantFiled: December 18, 2018Date of Patent: January 26, 2021Assignee: DENSO CORPORATIONInventor: Masaaki Kawakubo
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Patent number: 10845135Abstract: A header duct and method of forming a header duct includes an inlet portion having a planar inlet, an outlet portion have a plurality of planar outlets, and a transition portion extending continuously from the inlet portion to the outlet portion. The transition portion has a bend and internal topography defining a non-monotonic cross-sectional area distribution between the inlet and outlet portions. The transition portion can further include a bulbous region extending in a lateral direction of the duct and a protrusion located along an inside radius of the bend.Type: GrantFiled: March 16, 2018Date of Patent: November 24, 2020Assignee: Hamilton Sundstrand CorporationInventors: Ram Ranjan, Brian St. Rock
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Patent number: 10753688Abstract: A distributer includes a housing having a surface portion and through holes extending through the surface portion, a plurality of plates stacked with each other in the housing, the plurality of plates including a first plate that is an outermost one of the plurality of plates and has a first opening extending through the first plate, and a second plate that is the other outermost one of the plurality of plates and has a plurality of second openings extending through the second plate, a branching flow path connecting the first opening and the plurality of second openings, a plurality of connection pipes each extending through a corresponding one of the through holes in the surface portion of the housing, and a partition plate disposed between the surface portion and the second plate, and abutting on both the surface portion and the second plate.Type: GrantFiled: April 7, 2016Date of Patent: August 25, 2020Assignee: Mitsubishi Electric CorporationInventors: Shinya Higashiiue, Ryota Akaiwa, Atsushi Mochizuki
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Patent number: 10697403Abstract: An exhaust heat recovery device according to one aspect of the present disclosure includes a heat exchanger, a supply flow path, and a discharge flow path. The heat exchanger has a plurality of heat exchange flow paths configured to carry out heat exchange between exhaust gas and a heat exchange medium. The supply flow path is configured such that the exhaust gas flows therethrough, and the flowing exhaust gas is supplied to the plurality of heat exchange flow paths while being branched. The discharge flow path is configured to merge and discharge the heat-exchanged exhaust gas having passed through the plurality of heat exchange flow paths. At least one flow path of the supply flow path and the discharge flow path is configured to be narrower toward a downstream side in a flow direction of the exhaust gas.Type: GrantFiled: February 15, 2016Date of Patent: June 30, 2020Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Hiromi Ishikawa, Naohiro Takemoto
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Patent number: 10697706Abstract: A heat exchanger that includes first and second headers, a first flow conduit fluidly connecting the first and second headers to allow for a flow of a first fluid through the heat exchanger, the first flow conduit being bounded by a first generally planar wall section extending between the first and second headers, a second flow conduit to allow for a flow of the second fluid through the heat exchanger, the second flow conduit being bounded by a second generally planar wall section spaced apart from the first generally planar wall section to define a gap therebetween, and a thermally conductive structure arranged within the gap and joined to the first and second generally planar wall sections to transfer heat therebetween. The thermally conductive structure is isolated from the first fluid by the first generally planar wall section and from the second fluid by the second generally planar wall section.Type: GrantFiled: September 24, 2013Date of Patent: June 30, 2020Assignee: Modine Manufacturing CompanyInventors: Gregory Gerald Hughes, Michael J. Reinke, Tony Rousseau
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Patent number: 10655917Abstract: A heat exchanger for an air conditioning device includes flat tubes, a vertically extending header collecting tube connected to the flat tubes, and fins joined to the flat tubes. The header collection tube has a loop structure including partition members, inflow ports, and upper and lower communicating passages. The partition members partition first and second spaces. The flat tubes are connected at the first spaces. The inflow ports are located in lower parts of the first spaces. The upper communicating passages communicate the upper parts of the first and second spaces to guide refrigerant from the first spaces into the second spaces. The lower communicating passages communicate the lower parts of the first and second spaces to guide refrigerant from the second spaces towards spaces above the inflow ports in the first spaces to return the refrigerant from the second spaces to the first spaces.Type: GrantFiled: July 10, 2014Date of Patent: May 19, 2020Assignee: Daikin Industries, Ltd.Inventors: Satoshi Inoue, Hirokazu Fujino, Masanori Jindou, Kousuke Morimoto
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Patent number: 10583535Abstract: A heat exchanger and a method for additively manufacturing the heat exchanger are provided. The heat exchanger includes a housing defining a heat exchange plenum having a first fluid inlet and a first fluid outlet separated along a transverse direction. A plurality of heat exchange banks pass through the heat exchange plenum between a top side and a bottom side of the housing substantially along a vertical direction, each of the heat exchange banks comprising a plurality of heat exchange tubes. A plurality of collector manifolds are positioned at the top side and the bottom side of the housing, each collector manifold defining one or more connecting ports providing fluid communication between adjacent heat exchange banks.Type: GrantFiled: May 30, 2018Date of Patent: March 10, 2020Assignee: General Electric CompanyInventors: Antonio Caimano, Davide Losapio, Stefano Antonio Fasanella
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Patent number: 10539378Abstract: A heat exchanger comprises a conduit defining an inlet flow path for a fluid; a heat exchanger matrix disposed to receive a flow from the inlet flow path; and a swirler disposed within the conduit and arranged to improve dispersion of a flow from the inlet flow path over the heat exchanger matrix.Type: GrantFiled: October 12, 2017Date of Patent: January 21, 2020Assignee: HS MARSTON AEROSPACE LTD.Inventors: Jacob Diffey, John Marsh, James Green, Chris McNab