Patents by Inventor Kwangheon Oh

Kwangheon Oh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7934541
    Abstract: The present invention relates to a heat exchanger plate, more particularly, in which a number of beads for imparting turbulence to refrigerant flowing through a channel of a plate are formed streamlined and guide beads arre formed in refrigerant distributing sections in order to reduce the pressure drop of refrigerant while realizing uniform refrigerant distribution. In the heat exchanger plate of a tube including a tank communicating with a channel, a number of first beads so arrayed in the plate that opposed sides are coupled to each other to impart turbulence to refrigerant flowing through the channel and refrigerant distributing sections provided in inlet and outlet sides of the channel and divided by at least one second bead to have a plurality of paths, the first beads are formed streamlined and satisfy an equation of 0.35?W/L?0.75, wherein W is the width and L is the length.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: May 3, 2011
    Assignee: Halla Climate Control Corporation
    Inventors: Taeyoung Park, Kwangheon Oh, Gilwoong Jun, Jungjae Lee
  • Patent number: 7637314
    Abstract: The present invention relates to a heat exchanger for carbon dioxide, in which a tank having a number of domes is coupled with a header and a connection member having a connection flow channel is interposed between the header and the tank, thereby easily changing a refrigerant flow channel, reducing the volume of a header tank, and improving productivity, pressure resistance and durability.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 29, 2009
    Assignee: Halla Climate Control Corporation
    Inventors: Taeyoung Park, Kwangheon Oh, Duckho Lee
  • Patent number: 7559355
    Abstract: The present invention relates to a heat exchanger tube, in which turbulence generating portions placed within a passage of the tube are rounded into curved configurations with predetermined curvatures so that they are hardly damaged or fractured during extrusion to improve machinability and product quality, in which upper and lower circular passages formed in upper and lower sides of a tube body are connected via a connecting passage having the turbulence generating portions so that more passages having a smaller hydraulic diameter can be formed in the tube of the same size without unnecessary waste of tube material, and in which the turbulence generating portions are arranged in a lateral direction (Z-axial direction) of the tube body so that the passage is not filled with condensate films even though a large quantity of condensate is produced to reduce the thickness of the condensate films or break the condensate films to promote refrigerant to be converted into turbulent flow, thereby improving heat transf
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: July 14, 2009
    Assignee: Halla Climate Control Corporation
    Inventor: Kwangheon Oh
  • Patent number: 7523781
    Abstract: The present invention relates to a heat exchanger, in which inlet and outlet side heat exchange parts are communicated with each other and have the same refrigerant flowing direction by communicating pairs of cups with each other which are located at a predetermined area of the center of the heat exchanger, thereby being easily reduced in size, providing uniform surface temperature distribution and improving heat exchange efficiency by reducing the preponderance and the pressure drop rate of refrigerant and inlet and outlet pipes being easily arranged forward.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: April 28, 2009
    Assignee: Halls Climate Control Corporation
    Inventors: Kwangheon Oh, Hongyoung Lim
  • Patent number: 7413003
    Abstract: The present invention relates to a plate for a heat exchanger, which has beads of refrigerant distributing sections formed asymmetrically and streamlined beads arranged in the same number on flow channels in the form of a zigzag so that refrigerant flowing inside a tank is distributed and introduced to tubes uniformly, thereby increasing a heat radiation amount and enhancing a heat exchange efficiency by forming uniform flow distribution and reducing a pressure drop of refrigerant, and miniaturizing the heat exchanger into a compact size.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: August 19, 2008
    Assignee: Halla Climate Control Corporation
    Inventors: Kwangheon Oh, Sungje Lee, Hongyoung Lim
  • Publication number: 20080105419
    Abstract: The present invention relates to a heat exchanger, which restricts a gap between a tube insertion hole formed on a header pipe for allowing both ends of a tube to inserted and combined thereto and the tube within a proper range, thereby making the manufacturing of the header pipes and the coupling of the tubes to the header pipe easy and preventing cracks and leak to improve durability.
    Type: Application
    Filed: November 7, 2006
    Publication date: May 8, 2008
    Inventors: Kwangheon Oh, Duckho Lee, Hongyoung Lim
  • Publication number: 20080066893
    Abstract: The present invention relates to a plate for a heat exchanger, which has beads of refrigerant distributing sections formed asymmetrically and streamlined beads arranged in the same number on flow channels in the form of a zigzag so that refrigerant flowing inside a tank is distributed and introduced to tubes uniformly, thereby increasing a heat radiation amount and enhancing a heat exchange efficiency by forming uniform flow distribution and reducing a pressure drop of refrigerant, and miniaturizing the heat exchanger into a compact size.
    Type: Application
    Filed: September 15, 2006
    Publication date: March 20, 2008
    Applicant: Halla Climate Control Corporation
    Inventors: Kwangheon Oh, Sungje Lee, Hongyoung Lim
  • Publication number: 20060249281
    Abstract: The present invention relates to a heat exchanger plate, more particularly, in which a number of beads for imparting turbulence to refrigerant flowing through a channel of a plate are formed streamlined and guide beads arre formed in refrigerant distributing sections in order to reduce the pressure drop of refrigerant while realizing uniform refrigerant distribution. In the heat exchanger plate of a tube including a tank communicating with a channel, a number of first beads so arrayed in the plate that opposed sides are coupled to each other to impart turbulence to refrigerant flowing through the channel and refrigerant distributing sections provided in inlet and outlet sides of the channel and divided by at least one second bead to have a plurality of paths, the first beads are formed streamlined and satisfy an equation of 0.35?W/L?0.75, wherein W is the width and L is the length.
    Type: Application
    Filed: May 28, 2004
    Publication date: November 9, 2006
    Inventors: Taeyoung Park, Kwangheon Oh, Gilwoong Jun, Jungjae Lee
  • Publication number: 20060162911
    Abstract: The present invention relates to a heat exchanger, in which inlet and outlet side heat exchange parts are communicated with each other and have the same refrigerant flowing direction by communicating pairs of cups with each other which are located at a predetermined area of the center of the heat exchanger, thereby being easily reduced in size, providing uniform surface temperature distribution and improving heat exchange efficiency by reducing the preponderance and the pressure drop rate of refrigerant and inlet and outlet pipes being easily arranged forward.
    Type: Application
    Filed: January 20, 2006
    Publication date: July 27, 2006
    Inventors: Kwangheon Oh, Hongyoung Lim
  • Publication number: 20060162917
    Abstract: The present invention relates to a heat exchanger for carbon dioxide, in which a tank having a number of domes is coupled with a header and a connection member having a connection flow channel is interposed between the header and the tank, thereby easily changing a refrigerant flow channel, reducing the volume of a header tank, and improving productivity, pressure resistance and durability.
    Type: Application
    Filed: January 26, 2006
    Publication date: July 27, 2006
    Inventors: Taeyoung Park, Kwangheon Oh, Duckho Lee
  • Publication number: 20060118288
    Abstract: The present invention relates to a heat exchanger tube, in which turbulence generating portions placed within a passage of the tube are rounded into curved configurations with predetermined curvatures so that they are hardly damaged or fractured during extrusion to improve machinability and product quality, in which upper and lower circular passages formed in upper and lower sides of a tube body are connected via a connecting passage having the turbulence generating portions so that more passages having a smaller hydraulic diameter can be formed in the tube of the same size without unnecessary waste of tube material, and in which the turbulence generating portions are arranged in a lateral direction (Z-axial direction) of the tube body so that the passage is not filled with condensate films even though a large quantity of condensate is produced to reduce the thickness of the condensate films or break the condensate films to promote refrigerant to be converted into turbulent flow, thereby improving heat transf
    Type: Application
    Filed: June 21, 2004
    Publication date: June 8, 2006
    Inventor: Kwangheon Oh
  • Patent number: 6854512
    Abstract: A heat exchanger tube and a heat exchanger that uses the heat exchanger tube. The heat exchanger tube is provided with a generally flat body has a plurality of refrigerant passages that pass through the interior of the flat body in the length direction thereof. The tube includes refrigerant passages which are provided with a plurality of inside passages, each of which has a first curved portion that is made by changing a predetermined curve over at least a time or more to form a curve changing point protruding in the width direction of the body. A second curved portion is formed opposite to the first curved portion and is connected slowly to the first curved portion to thereby form a curve closed face. A pair of outside passages is disposed on the outermost both ends of the plurality of inside passages.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: February 15, 2005
    Assignee: Halla Climate Control Corporation
    Inventors: Sangok Lee, Kwangheon Oh, Eunki Min, Taeyoung Park
  • Patent number: 6769269
    Abstract: The gas-liquid separating condenser of the present invention can enhance the sub-cooling rate in the pre-sub-cooling section as well as in the total sections. Moreover, the present invention can have designs according to calculated conditional expressions of relative dimensional ratios of the sections in condensation of refrigerant to realize the optimum condensing efficiency regardless of the overall size of the gas-liquid separating condenser.
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: August 3, 2004
    Assignee: Halla Climate Control Corporation
    Inventors: Kwangheon Oh, Sangok Lee, Taeyoung Park, Yongho Kim
  • Publication number: 20030217567
    Abstract: The gas-liquid separating condenser of the present invention can enhance the sub-cooling rate in the pre-sub-cooling section as well as in the total sections. Moreover, the present invention can have designs according to calculated conditional expressions of relative dimensional ratios of the sections in condensation of refrigerant to realize the optimum condensing efficiency regardless of the overall size of the gas-liquid separating condenser.
    Type: Application
    Filed: May 23, 2003
    Publication date: November 27, 2003
    Inventors: Kwangheon Oh, Sangok Lee, Taeyoung Park, Yongho Kim
  • Patent number: 6640585
    Abstract: Disclosed is a refrigeration cycle and a method for determining a capacity of a receiver of a refrigeration cycle. According to the present invention, the capacity of the receiver can be determined according to the variations of the paths of the condenser, which provides an ability of fully coping with the variations of the cooling load. When the method for determining the capacity of the receiver according to the present invention is applied in the condenser integrated with the receiver, it is possible that an optimal capacity where no brazing failure occurs is obtained, which means the optimal capacity for the receiver can be easily determined.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: November 4, 2003
    Assignee: Halla Climate Control Corporation
    Inventors: Kwangheon Oh, Sangok Lee, Eunki Min, Hwangjae Ahn
  • Publication number: 20030141048
    Abstract: Disclosed is a heat exchanger tube and a heat exchanger using the heat exchanger tube. The heat exchanger tube is provided with a generally flat body having predetermined values in length, height and width directions and with a plurality of refrigerant passages that are formed passed through the interior of the flat body in the length direction thereof, the tube including: the refrigerant passages are provided with a plurality of inside passages, each of which has a first curved portion that is made by changing a predetermined curve over at least a time or more to form a curve changing point protruding in the width direction of the body, by which turbulence activating parts are formed, and has a second curved portion that is formed opposite to the first curved portion and is connected slowly to the first curved portion to thereby form a curve closed face, and with a pair of outside passages disposed on the outermost both ends of the plurality of inside passages.
    Type: Application
    Filed: August 13, 2002
    Publication date: July 31, 2003
    Inventors: Sangok Lee, Kwangheon Oh, Eunki Min, Taeyoung Park
  • Publication number: 20030110793
    Abstract: Disclosed is a refrigeration cycle and a method for determining a capacity of a receiver of a refrigeration cycle. According to the present invention, the capacity of the receiver can be determined according to the variations of the paths of the condenser, which provides an ability of fully coping with the variations of the cooling load. When the method for determining the capacity of the receiver according to the present invention is applied in the condenser integrated with the receiver, it is possible that an optimal capacity where no brazing failure occurs is obtained, which means the optimal capacity for the receiver can be easily determined.
    Type: Application
    Filed: December 19, 2002
    Publication date: June 19, 2003
    Inventors: Kwangheon Oh, Sangok Lee, Eunki Min, Hwangjae Ahn