Patents Examined by Tho V Duong
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Patent number: 11976891Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.Type: GrantFiled: October 25, 2018Date of Patent: May 7, 2024Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
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Patent number: 11976894Abstract: A heat exchanger assembly includes a cooling plate with at least one outer heat transfer surface adapted for thermal contact with one or more heat-generating substrates. A fluid flow path extends from an inlet port to an outlet port, with a plurality of cooling zones spaced apart along the fluid flow path, each cooling zone including a heat transfer element such as a corrugated fin sheet in contact with the inner surface of the first plate wall. Manifold spaces are defined proximate to the inlet and outlet ports, and between adjacent cooling zones. One or more bypass flow passages are provided between upstream and downstream ends of at least one cooling zone, to divert a portion of the heat transfer fluid from flowing through the cooling zone. The volume of fluid flow bypassing one or more cooling zones is calibrated to improve temperature uniformity of the heat-generating substrates.Type: GrantFiled: November 10, 2022Date of Patent: May 7, 2024Assignee: Dana Canada CorporationInventors: Doug Vanderwees, Kenneth M. A. Abels
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Patent number: 11976889Abstract: A plate heat exchanger includes a plurality of heat transfer plates stacked on top of each other, wherein gaskets are positioned between adjacent heat transfer plates, wherein each gasket is arranged in a gasket groove formed in a heat transfer plate and a bottom part of the gasket groove defines a base level, wherein the gasket groove comprises a reinforcing pattern having a first recess at a first recess level and extending in a lengthwise direction of the gasket groove. The reinforcing pattern comprises a second recess at a second recess level extending in lengthwise direction of the gasket groove.Type: GrantFiled: November 26, 2019Date of Patent: May 7, 2024Assignee: DANFOSS A/SInventor: Benny Andersen
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Patent number: 11976888Abstract: A heat exchanger for allowing heat to be exchanged between a first fluid and at least one other fluid comprises: a core comprising: at least one flow path; a manifold in communication with the at least one flow path; wherein the manifold comprises a void formed in the core; and the manifold comprises end caps, wherein at least one of the end caps is a non-flat end cap.Type: GrantFiled: November 1, 2019Date of Patent: May 7, 2024Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Aditya Deshpande, Philip Seward
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Patent number: 11971223Abstract: The present invention relates to the field of printed circuit heat exchangers, and in particular, to a modular square-circular composite channel printed circuit heat exchanger. The modular square-circular composite channel printed circuit heat exchanger comprises a shell, wherein the shell is divided into an inlet diverter section, a first parallel heat exchange section, a core heat exchange section, a second parallel heat exchange section, and an outlet combiner section from left to right, a plurality of square fin channels and circular micro-channels are uniformly arranged in the shell along a length direction of the shell. According to the present invention, a ratio of an average thermal resistance of a hot side to an average thermal resistance of a cold side is close to 1, which ensures the heat exchange efficiency while taking into the account structure safety and prevents the local over-temperature.Type: GrantFiled: November 21, 2023Date of Patent: April 30, 2024Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Ting Ma, Dongjun Xu, Zhendong Han, Qiuwang Wang
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Patent number: 11965701Abstract: In a heat exchanger, an outer diameter of a plurality of heat transfer pipes is defined as Do, a wall thickness is defined as tP, an area represented by a numerical expression of a row pitch L1×a step pitch L2 is defined as A, and an area represented by a numerical expression of ((Do?2×tP)/2)2×? is defined as B, a relation of Do<5.5 mm, a relation of (0.2076×tP2?0.1480×tP+0.0545)×Do{circumflex over (?)}(?0.0021×tP2?0.0528×tP+0.0164)?B/A?(0.0219×tP2?0.0185×tP+0.0043)×ln (Do)+(1.6950×tP2+1.8455×tP+1.5416), and a relation of B/A<0.0076×tP2?0.0417×tP+0.0574 are satisfied.Type: GrantFiled: August 6, 2019Date of Patent: April 23, 2024Assignee: Mitsubishi Electric CorporationInventors: Akira Yatsuyanagi, Tsuyoshi Maeda, Akira Ishibashi, Atsushi Morita, Shin Nakamura
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Patent number: 11956919Abstract: A cold plate is provided and includes: a housing disposed with a chamber; a base combined with the housing to form a working space separated from the chamber but connected with the chamber through an interconnecting structure to allow a working medium to flow within the chamber and the working space; a heat transfer structure disposed on the inner side of the base; and a pump disposed within the working space to drive the working medium in the working space. As such, the cold plate can provide better heat dissipation performance.Type: GrantFiled: December 23, 2020Date of Patent: April 9, 2024Assignee: AURAS TECHNOLOGY CO., LTD.Inventors: Chien-An Chen, Chien-Yu Chen, Tian-Li Ye, Jen-Hao Lin, Wei-Shen Lee
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Patent number: 11950509Abstract: The present invention provides heat exchanger systems, and associated methods, using thermally anisotropic carbon fiber materials, preferably woven graphite fiber sheets, where convection is used to transfer heat from the heat exchanger to a lower temperature fluid, such as circulating air or cooling liquid.Type: GrantFiled: November 29, 2019Date of Patent: April 2, 2024Assignee: Technology Applications, Inc.Inventors: Brian Sperry, Trevor Sperry, Jamie Eyre
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Patent number: 11946702Abstract: A nuclear reactor includes a heat exchanger that transfers thermal energy from a primary reactor coolant to a secondary coolant. The heat exchanger is formed with a hot flow channel, a cold flow channel, and a porous layer between the hot flow channel and the cold flow channel. The porous layer may be thermally insulative to reduce the efficiency of thermal energy transfer from the hot flow channel to the cold flow channel. The porous layer may have a control gas passed therethrough that can be tailored to control the thermal energy transfer through the porous layer. The control gas can be tested for leakage within the heat exchanger. The control gas may also be used to sequester fission or activation products.Type: GrantFiled: March 23, 2021Date of Patent: April 2, 2024Assignee: TERRAPOWER, LLCInventors: Joon Hyung Choi, Daniel Eichel, Mei He, Pavel Hejzlar, Mathieu G. Martin, Samuel J. Miller, James M. Vollmer
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Patent number: 11938781Abstract: A vehicular heat management system includes a refrigerant circulation line configured to generate hot energy or cold energy depending on a flow direction of a refrigerant, a heater core side coolant circulation line configured to transfer refrigerant heat generated in the refrigerant circulation line to a heater core to heat a passenger compartment, and a battery side coolant circulation line configured to receive coolant heat of the heater core side coolant circulation line via a coolant and then circulate the coolant through a battery to preheat the battery.Type: GrantFiled: August 27, 2019Date of Patent: March 26, 2024Assignee: Hanon SystemsInventors: Hyeon Gyu Kim, Doo Hoon Kim, Kyung Ju An, Byeong Ha Lee, Jin Jae Lee, Joong Man Han
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Patent number: 11940227Abstract: A cooling system includes a heat exchanger having one or more rows of multiple flat tubes, louvered fins disposed between pairs of flat tubes, and special header tube connections to form a counter flow heat exchanger. Heat exchangers having multiple rows may be placed near or close to the server racks and may be in fluid communication with an outdoor heat exchanger having one or more rows. A single-phase fluid is pumped through a fluid circuit or loop, which includes the heat exchangers at the server racks and the outdoor heat exchanger. The single-phase fluid circuit including the heat exchangers at the IT racks may alternatively be in thermal communication with a water circuit that includes an outdoor fluid cooler. The flat tubes can be formed tubes with one or more channels, or extruded tubes with multiple channels. The heat exchangers include header tubes/connections, which facilitate easy fabrication and connection between rows and inlet/outlet, and lower the pressure drop.Type: GrantFiled: July 1, 2022Date of Patent: March 26, 2024Assignee: INERTECH IP LLCInventors: Ming Zhang, Ken Nguyen, Doron Shapiro, John Costakis
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Patent number: 11938787Abstract: A vehicular air conditioning system includes an intake unit configured to inhale an indoor air and an outdoor air. The intake unit includes an outdoor air inlet configured to introduce the outdoor air, an indoor air inlet configured to introduce the indoor air and a plurality of doors configured to selectively open the outdoor air inlet and the indoor air inlet. The intake unit further includes an auxiliary indoor air introduction part configured to introduce the indoor air. The auxiliary indoor air introduction part is configured to introduce a part of the indoor air existing on the side of the indoor air inlet.Type: GrantFiled: July 22, 2019Date of Patent: March 26, 2024Assignee: Hanon SystemsInventors: Seung Ho Lee, Seo Jun Yoon, Sang Ki Lee
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Patent number: 11920877Abstract: A system and method of forming integrated power electronic packages includes 3D-printing a cold plate having a hollow interior recess and a plurality of fins. The method includes printing, using a 3D printer, an electrical insulation layer and a conductor substrate onto a top surface of the cold plate, such that the electrical insulation layer and conductor substrate are embedded within the top surface of the cold plate. The method further includes embedding power devices in the conductor substrate, printing, using a 3D printer, a circuit board on and around the power devices, and mounting electronic components on the circuit board.Type: GrantFiled: November 18, 2021Date of Patent: March 5, 2024Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Feng Zhou, Ercan Dede
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Patent number: 11919364Abstract: The various embodiments described herein include methods, devices, and systems for conditioning air and heating water in a vehicle. In one aspect, a method includes: (1) obtaining a desired temperature for an interior of the vehicle; (2) obtaining a desired temperature for water in a water storage tank of the vehicle; (3) determining a current interior temperature; (4) and a current water temperature; (5) if the current water temperature is below the desired water temperature, and if the current interior temperature is below the desired interior temperature, operating a system in a first mode to concurrently heat the water and heat the interior; and (6) if the current water temperature is below the desired water temperature, and if the current interior temperature is above the desired interior temperature, operating the system in a second mode to concurrently heat the water and cool the interior.Type: GrantFiled: August 23, 2022Date of Patent: March 5, 2024Assignee: Bergstrom, Inc.Inventors: Dan Xie, Bin Bai, Tingzhou Wu
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Patent number: 11920874Abstract: A heat exchange member includes: a honeycomb structure including: an outer peripheral wall; an inner peripheral wall; and partition walls arranged between the outer peripheral wall and the inner peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path for a first fluid; and a covering member for covering an outer peripheral surface of the outer peripheral wall. In a cross section of the honeycomb structure orthogonal to a flow path direction for the first fluid, the partition walls extend in a radial direction. Each of the cells is formed from the outer peripheral wall, the inner peripheral wall, and the partition walls.Type: GrantFiled: November 1, 2021Date of Patent: March 5, 2024Assignee: NGK INSULATORS, LTD.Inventors: Daisuke Kimura, Tatsuo Kawaguchi
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Patent number: 11913729Abstract: A heat exchanger includes: refrigerant channels that extend in a first direction, are disposed along a second direction intersecting with the first direction, and are disposed along a third direction intersecting with the first direction and the second direction; and heat transfer tubes defining the refrigerant channels. One or both of a size of an outer edge and a size of an inner edge of the heat transfer tubes are different between a first position and a second position in the first direction. Outer surfaces of the heat transfer tubes each include a protrusion that protrudes in a direction intersecting with the first direction, and is in contact with an outer surface of one of the heat transfer tubes adjacent thereto in the second direction. The protrusion includes a concave portion extending along the third direction.Type: GrantFiled: January 13, 2023Date of Patent: February 27, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tooru Andou, Tomohiro Nagano, Hirokazu Fujino, Yoshiyuki Matsumoto
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Patent number: 11913731Abstract: A process heat exchange rod for cooling or heating liquids in a process vessel. The rod may have a linear form and extend downward through an upper wall of the process vessel into proximity with the lower floor. The rod internally defines a circulatory flow path for the heat exchange medium, including an outer jacket and a flow diverter having a central through bore and external helical flutes. Heat exchange medium travels down through the central through bore and then back up through helical grooves formed between the flow diverter and the outer jacket, or vice versa. Accurate heating or cooling of the process fluid is attained by modification of the configuration of the heat exchange rod as well as the flow rate and temperature of the heat exchange medium. The components may be injection molded of a polymer, often transparent, having a high heat transfer coefficient.Type: GrantFiled: June 29, 2023Date of Patent: February 27, 2024Assignee: SaniSure, Inc.Inventors: Chris Ballew, Richard Shor, Matthew Markey, Joshua Rosen
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Patent number: 11910553Abstract: Provided is a heat-dissipating waterproof structure having both excellent heat dissipation ability and high waterproofness. A heat-dissipating waterproof structure (300) provided between a top part (203) of a casing (200) to accommodate a heat source (102) and the heat source (102) includes a water receiving part (301) that guides a liquid having entered into the casing (200) through an outlet (203A) provided in the top part (203) of the casing (200), and a water guide channel (302) that guides the liquid having been guided by the water receiving part (301) to be discharged to outside of a space where the heat source (102) is accommodated, and the water receiving part (301) has at least a sloping surface which gradually becomes higher the further it is from being immediately above the heat source (102).Type: GrantFiled: November 30, 2018Date of Patent: February 20, 2024Assignee: NEC Platforms, Ltd.Inventors: Takahiro Yagi, Kiyotaka Yokoyama, Akira Katsumata, Wataru Imura
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Patent number: 11906251Abstract: A heat exchanger for a heat pump comprises a chamber (1) for a working fluid. A wall (2) provides for heat exchange between the working fluid in the chamber and a substance in a space (6) on the opposite side of the wall. Said chamber (1) comprises a structure (3) of a filling material (4) that is substantially non-absorbent with respect to the working fluid. Said structure (3) defines a plurality of channels (5) for the working fluid. Said channels (5) are at least partly bound by the wall (2) separating the chamber (1) from the space (6). Said channels (5) provide passage for the working fluid from an inlet (7) of the chamber (1) to an outlet (8) of the chamber.Type: GrantFiled: July 2, 2019Date of Patent: February 20, 2024Assignee: W. Schoonen Beheer B.V.Inventor: Wilhelmus Franciskus Schoonen
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Patent number: 11898810Abstract: A thermal transfer panel is provided for transferring thermal energy to or from an ambient environment. The thermal transfer panel includes a thermal radiating plate having a plurality of spaced elongate tabs and a thermal insulating plate having a plurality of elongate grooves. The thermal transfer panel is coupled to the thermal insulating plate to form a fluid flow channel. The tabs can include a plurality of apertures, wherein the thermal insulating plate is coupled to the thermal radiating plate, by a bonding agent or a portion of the thermal insulating plate being flowed into the apertures of the tabs so as to retain the thermal insulating plate relative to the thermal radiating plate. Couplers are provided for connecting the thermal transfer panels by fluidly connecting the fluid flow channels of one thermal transfer panel to the fluid flow channels of another thermal transfer panel, or a manifold, or a fluid distribution system.Type: GrantFiled: August 30, 2021Date of Patent: February 13, 2024Inventor: J. Parr Wiegel