Patents Assigned to Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
  • Patent number: 11920876
    Abstract: A distributor for a plate heat exchanger includes a tube part having a tube wall and having a first end and a second end; a first flange formed at the first end; and a connecting protrusion. The connecting protrusion projects from the tube wall of the tube part in a direction away from an axis of the tube part, and projects from the first flange at the inside of the outer edge of the first flange in a direction towards the second end of the tube part; the connecting protrusion has a connecting protrusion wall, which has an axial connecting protrusion wall that faces in the axial direction of the tube part and is remote from the first flange, the axial connecting protrusion wall being between the first end and the second end of the tube part, and having at least one through-hole.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 5, 2024
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Zhifeng Zhang, Zhixuan An, Lingjie Zhang
  • Patent number: 11624564
    Abstract: A heat exchanger assembly (100), the heat exchanger assembly (100) comprising: a first heat exchanger (1), the first heat exchanger (1) comprising a first communicating header pipe (10), a first header pipe (12), and heat exchange tubes (9) arranged between the first communicating header pipe (10) and the first header pipe (12); and a second heat exchanger (2), the second heat exchanger (2) comprising a second communicating header pipe (20), a second header pipe (22), and heat exchange tubes (9) arranged between the second communicating header pipe (20) and the second header pipe (22), wherein the first communicating header pipe (10) is provided with a partition plate (30) and thus has a plurality of first communicating chambers (14) arranged in the axial direction of the first communicating header pipe (10), the second communicating header pipe (20) is provided with a partition plate (30) and thus has a plurality of second communicating chambers (24) arranged in the axial direction of the second communicatin
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: April 11, 2023
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventors: Lingjie Zhang, Junfeng Jin, Xiangxun Lu, Pierre Olivier Pelletier
  • Patent number: 11614286
    Abstract: An un-finned heat exchanger (100). The heat exchanger (100) comprises: a heat exchange tube (1), which comprises a body; a fluid channel (11) formed inside the body; and a collecting tube (2) connected to the heat exchange tube (1). Using the heat exchanger can reduce accumulation of dirt on the heat exchanger.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: March 28, 2023
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventors: Mustafa K. Yanik, Pierre Olivier Pelletier, Jeffrey Lee Tucker
  • Patent number: 11609024
    Abstract: A heat exchanger (100), a heat exchanger module (100?) having the heat exchanger (100), and an air conditioning system having the heat exchanger (100) or the heat exchanger module (100?); the heat exchanger (100) comprises: a first header (11) and a second header (12), with an axis of the first header (11) being inclined relative to an axis of the second header (12); and a heat exchange pipe (2) connected to the first header (11) and the second header (12), the heat exchange pipe (2) being bent. The heat exchange efficiency can be increased by using the heat exchanger (100).
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 21, 2023
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventors: Junfeng Jin, Xiangxun Lu, Pierre Olivier Pelletier, Wenjian Wei, Yuye Wu
  • Patent number: 11585610
    Abstract: A heat exchanger (100) and an air-conditioning system. The heat exchanger (100) comprises: a group of first heat exchange tubes (T1) for forming a first loop (C1); a group of second heat exchange tubes (T2) for forming a second loop (C2); and a group of fins (3), at least a plurality of fins (3) in the group of fins (3) being in contact with both at least a plurality of first heat exchange tubes (1) in the group of first heat exchange tubes (T1), and at least a plurality of second heat exchange tubes (T2) in the group of second heat exchange tubes (T2). If one loop of an air-conditioning system having two loops is closed, heat exchange regions of the fins for the loop can be used in the other loop, thereby improving the heat exchange efficiency of a heat exchanger.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: February 21, 2023
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventors: Mustafa K Yanik, John D Kennedy
  • Patent number: 11118848
    Abstract: A heat-exchanging plate (20), and plate heat exchanger (100) using same. The heat-exchanging plate (20) comprises concave locations (22) and/or convex locations (23), and is provided with multiple heat-exchanging units thereon. At least one inlet and/or at least one outlet of at least one of the heat-exchanging units is controllable.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: September 14, 2021
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Zhifeng Zhang, Wenjian Wei
  • Patent number: 11118839
    Abstract: A heat exchange assembly (1) for a heat exchanger, a heat exchanger comprising the heat exchange assembly (1), and a mold forming the heat exchange assembly (1) are provided. The heat exchange assembly (1) comprises: multiple heat exchange tubes (11) through which a heat exchange medium flows; a connecting plate (12) connected between adjacent heat exchange tubes (11); and a heat exchange plate (121) formed by at least one part of the connecting plate (12). The mold comprises: a first mold, the first mold forming holes (110) in the multiple heat exchange tubes (11); and a second mold (2), the second mold having a mold cavity (20) forming a main body of the heat exchange assembly (1), the mold cavity (20) having an opening (21), the heat exchange assembly (1) being extruded from the opening (21) of the mold cavity (20) of the second mold (2), and the opening (21) being strip-shaped and extending along a curved line.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 14, 2021
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Feng Zhang, Xiangxun Lu, Pierre Olivier Pelletier
  • Patent number: 10876801
    Abstract: A heat-exchanging plate (20), and plate heat exchanger (100) using same. The heat-exchanging plate (20) comprises concave locations (22) and/or convex locations (23). In at least one partial region of the heat-exchanging plate (20), a transitional curved surface between at least two adjacent concave location (22) and/or convex location (23) is configured to be controllable.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 29, 2020
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Zhifeng Zhang, Wenjian Wei
  • Patent number: 10823514
    Abstract: Provided are a reinforcer (30) used for a plate heat exchanger (100) and a plate heat exchanger (100), the reinforcer (30) being used to reinforce an area around an opening (13) of at least one heat exchange plate (10). The plate heat exchanger (100) comprises multiple heat exchange plates (10); a heat exchange space formed between adjacent heat exchange plates (10) of the multiple heat exchange plates (10); a heat exchange channel (11) formed between the heat exchange plates (10), wherein the heat exchange channel (11) is used for a heat exchange medium to flow into or out of the plate heat exchanger (100), and is constituted by openings (13) in the multiple heat exchange plates (10); and a reinforcer (30), used to reinforce an area around an opening (13) in at least one heat exchange plate (10).
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: November 3, 2020
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co. Ltd
    Inventors: Zhifeng Zhang, Hongbing Chen, Hua Li, Pierre Olivier Pelletier, Shaoyi Chen
  • Patent number: 10816278
    Abstract: The present invention provides a fin assembly for a heat exchanger and a heat exchanger having the fin assembly. The fin assembly includes a plurality of fins each having a corrugated fin body formed by a plate. The plurality of fins are arranged side by side in a width direction of the fin assembly. Wave crests or wave troughs, on one side in a height direction of the fin assembly, of two adjacent ones of the plurality of fins are staggered by a predetermined distance relative to each other in a length direction of the fin assembly. With the fin assembly and the heat exchanger according to the present invention, for example, heat exchange performance of the heat exchanger can be improved.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: October 27, 2020
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co. Ltd.
    Inventors: Xiangxun Lu, Weijun Wu, Guangsheng Wu, Wenjian Wei
  • Patent number: 10801783
    Abstract: A heat exchanger (10) comprises: a first sub-heat exchanger (100), which has a first manifold (110), a second manifold (120), and at least two heat exchange tubes (130); and a second sub-heat exchanger (200), which has a third manifold (210), a fourth manifold (220), and at least one heat exchange tube (230), at least one of the heat exchange tubes (130) in the first sub-heat exchanger (100) being part of a flow path of the second sub-heat exchanger (200).
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 13, 2020
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Junfeng Jin, Pierre Olivier Pelletier, Huan Jin
  • Patent number: 10690420
    Abstract: A heat exchange tube (51) for a heat exchanger, heat exchanger and assembly method thereof. The heat exchange tube (51) is a combined heat exchange tube having a space (55) at its center, and the space (55) is configured to accommodate an insertion member (57), such that the combined heat exchange tube is expanded in and joined with a corresponding fin hole (53) in the heat exchanger. A heat exchange tube that is minute or has a small inner diameter can thus be expanded in a heat exchanger fin without employing a brazing process.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: June 23, 2020
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Zhifeng Zhang, Wenjian Wei
  • Patent number: 10670314
    Abstract: Disclosed in the present invention is a refrigeration system, comprising: an evaporator and a condenser connected by a pipeline, wherein: at least one of the evaporator and the condenser comprises a heat exchange tube, the heat exchange tube comprising a first channel and a second channel, and the first channel and the second channel of the heat exchange tube forming different flow paths of the refrigeration system.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: June 2, 2020
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD
    Inventors: Wenjian Wei, Xiangxun Lu, Zhifeng Zhang
  • Patent number: 10612856
    Abstract: A heat exchanger (100) comprises: a first header tube (1) and two second header tubes (3); a first heat exchange tube (51) in fluid communication with one of the two second header tubes (3) and a second chamber (B) of the first header tube (1); a first runner tube (61) in fluid communication with the one of two second header tubes (3) and a first chamber (A) of the first header tube (1); a second heat exchange tube (52) in fluid communication with the other of the two second header tubes (3) and the first chamber (A) of the first header tube (1); and a second runner tube (62) in fluid communication with the other of the two second header tubes (3) and the second chamber (B) of the first header tube (1). The heat exchanger (100) bends at a first bending portion (71) between the other of the two second header tubes (3) and the first header tube (1), so as to enable the other of the two second header tubes (3) to be higher or lower than the first header tube (1).
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: April 7, 2020
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Junfeng Jin, Huan Jin
  • Patent number: 10605534
    Abstract: The prevent invention provides a plate heat exchanger. The plate heat exchanger comprises heat exchange plates each forms one or more first fluid channels and one or more second fluid channels. The one or more first fluid channels each has a fluid channel upstream portion and a fluid channel downstream portion separated from the fluid channel upstream portion, wherein the fluid channel upstream portion is fluidly communicated via a fluid communication device with the fluid channel downstream portion. The plate heat exchanger according to the present invention achieves uniform distribution of the refrigerant while being independent of the distributors, and, provides different heat exchange regions in the channels on the basis of heat-transfer mechanism correlated to refrigerant evaporation, to reinforce the heat transfer.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: March 31, 2020
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventor: Lars Persson
  • Patent number: 10591227
    Abstract: A heat exchanger including a mixing and redistribution header (20) at one end of the heat exchanger; multiple heat exchange tubes (30) in communication with the mixing and redistribution header (20). An upper cavity (21) and a lower cavity (22) in communication with each other are disposed in the mixing and redistribution header (20); a fluid entering the heat exchanger first of all flows into a part of the lower cavity (22) of the mixing and redistribution header (20), then is collected and mixed in the upper cavity (21) of the mixing and redistribution header (20), and is distributed into another part of the lower cavity (22) and flows out through a heat exchange tube (30) in communication with the lower cavity, a cross-sectional area of the upper cavity (21) being equal to or greater than a cross-sectional area of the lower cavity (22).
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 17, 2020
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventors: Xiangxun Lu, Jianlong Jiang, Jing Yang, Yubao Liu
  • Patent number: D889616
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: July 7, 2020
    Assignee: Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
    Inventor: Pierre Olivier Pelletier
  • Patent number: D907752
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: January 12, 2021
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventor: Pierre Olivier Pelletier
  • Patent number: D910821
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: February 16, 2021
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Jin Junfeng, Wei Wenjian, Lu Xiangxun, Wu Yuye
  • Patent number: D958946
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: July 26, 2022
    Assignee: DANFOSS MICRO CHANNEL HEAT EXCHANGER (JIAXING) CO., LTD.
    Inventors: Jin Huan, Jin Junfeng, Lu Xiangxun