Patents by Inventor Ha-su KIM

Ha-su KIM 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).

  • Publication number: 20250149282
    Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: May 8, 2025
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20240412933
    Abstract: The present invention discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: December 12, 2024
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20240371587
    Abstract: An arc chamber and a direct current relay including the same are disclosed. The arc chamber may include a chamber space for accommodating a fixed contactor and a movable contactor that are electrically connected to an external power source or an external load; and a plurality of walls surrounding the chamber space from outside, wherein the plurality of walls include a first wall extending in one direction; a second wall extending in the other direction while forming a predetermined angle with the first wall from an end of the first wall; a third wall extending in the one direction while forming a predetermined angle with the second wall from an end of the second wall; and a fourth wall extending in the other direction while forming a predetermined angle with the third wall from an end of the third wall to the end of the first wall.
    Type: Application
    Filed: October 17, 2022
    Publication date: November 7, 2024
    Inventors: Jin Hee PARK, Ha Su KIM
  • Publication number: 20240363297
    Abstract: A sub contact part and a direct current (DC) relay including the same are disclosed. The sub contact part according to one aspect of the present disclosure may include a body part having spaces spaced apart from each other therein and; and a plurality of sub connectors each accommodated in the spaces of the body part and electrically connected to an external control power source and a core part, wherein the body part includes a plurality of legs each having the spaces spaced apart from each other therein and extending in one direction; and a bridge extending between the plurality of legs and coupled to each of the plurality of legs.
    Type: Application
    Filed: October 17, 2022
    Publication date: October 31, 2024
    Inventors: Ha Su KIM, Jin Hee PARK
  • Publication number: 20240355567
    Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: October 24, 2024
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20240339276
    Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: October 10, 2024
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20240312745
    Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: September 19, 2024
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20240297007
    Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
    Type: Application
    Filed: November 14, 2022
    Publication date: September 5, 2024
    Inventors: Ha Su KIM, Jin Hee PARK, Young Jun SON
  • Publication number: 20100261059
    Abstract: A composite anode active material including an intermetallic compound; carbon; and inorganic particles, an anode including the composite anode active material, a lithium battery employing the anode, and a method of preparing the anode active material.
    Type: Application
    Filed: April 14, 2010
    Publication date: October 14, 2010
    Applicants: Samsung SDI Co., Ltd., SNU R&D Foundation
    Inventors: Dong-Min IM, Ha-su KIM, Hun-joon SOHN