Patents by Inventor Jae Min Yoo

Jae Min Yoo 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: 12358452
    Abstract: An airbag fastening structure and an airbag fastening system for a vehicle are provided. The airbag fastening structure includes a first assembly part provided in an airbag module, a second assembly part provided in a steering wheel and fastened to the first assembly part by a snap-fit fastening structure, a protective rib provided in an inclined pressing area where the first assembly part and the second assembly part are pressed for the snap-fit fastening, and a pad to absorb a fastening shock of the first assembly part and the second assembly part. The pad is provided in an inclined pressing area that does not overlap with the protective rib and in an engaging area where the first assembly part and the second assembly part are engaged with and supported by each other by the snap-fit fastening.
    Type: Grant
    Filed: January 28, 2025
    Date of Patent: July 15, 2025
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Byung Gu Kang, You Sun Lee, Oh Koang Kwon, I Seul Kang, Tae Hyeong Kim, Jae Min Yoo, Jung Geun Choi, Jeong Mo Heo
  • Patent number: 12355090
    Abstract: A battery module including a base plate, a front cover at a first end of the base plate and a rear cover at a second end of the base plate, the rear cover spaced from the front cover in a first direction, a pair of gas discharge passages extending in the first direction, an outlet in the rear cover for each of the pair of gas discharge passages, and a mesh cover over each outlet, wherein each of the pair of gas discharge passages has an open portion formed by a top of the gas discharge passage.
    Type: Grant
    Filed: May 20, 2024
    Date of Patent: July 8, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee
  • Patent number: 12341218
    Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.
    Type: Grant
    Filed: November 9, 2023
    Date of Patent: June 24, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Jae-Min Yoo, Yoon-Koo Lee, Yong-Seok Choi, Jee-Soon Choi
  • Patent number: 12315956
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides of the sensing bus bar in a left and right direction of the bus bar frame.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: May 27, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Kyung-Mo Kim, Eun-Gyu Shin, Jae-Min Yoo, Hyeon-Ki Yun, Yoon-Koo Lee, Eun-Ah Ju, Jeong-O Mun
  • Patent number: 12294070
    Abstract: A battery module includes a plurality of battery cells stacked on each other; a module case configured to accommodate the plurality of battery cells; and a plurality of thermal runaway prevention units provided in the module case and respectively disposed between the plurality of battery cells along a stacking direction of the plurality of battery cells.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: May 6, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Jae-Min Yoo, Yoon-Koo Lee
  • Publication number: 20250140973
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Application
    Filed: January 2, 2025
    Publication date: May 1, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Publication number: 20250079629
    Abstract: A battery module includes battery cells; a module case configured to accommodate the battery cells and having an internal cooling channel provided at both sides of the plurality of battery cells; a venting opening provided at both side surfaces of the module case; a sheet member mounted to both side surfaces of the module case to cover the venting opening and melted over a predetermined temperature to open the venting opening; and a blocking bracket spaced apart from the sheet member by a predetermined distance and mounted to inner walls at both sides of the module case.
    Type: Application
    Filed: November 19, 2024
    Publication date: March 6, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Eun-Gyu SHIN, Sang-Hyun JO, Jeong-O MUN, Yoon-Koo LEE
  • Publication number: 20250055070
    Abstract: A battery pack according to an embodiment of the present disclosure includes a pack case including a coolant feed port and a coolant exit port through which a dielectric coolant enters and exits; a cross beam positioned in the pack case to form a space through which the dielectric coolant passes; and a plurality of battery modules, each including a plurality of battery cells, each battery module positioned in each space divided by the cross beam.
    Type: Application
    Filed: April 18, 2022
    Publication date: February 13, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin-Yong Park, Ho-June Chi, Jhin-Ha Park, Jae-Min Yoo
  • Publication number: 20250046909
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Patent number: 12176569
    Abstract: A battery module includes battery cells; a module case configured to accommodate the battery cells and having an internal cooling channel provided at both sides of the plurality of battery cells; a venting opening provided at both side surfaces of the module case; a sheet member mounted to both side surfaces of the module case to cover the venting opening and melted over a predetermined temperature to open the venting opening; and a blocking bracket spaced apart from the sheet member by a predetermined distance and mounted to inner walls at both sides of the module case.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: December 24, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Eun-Gyu Shin, Sang-Hyun Jo, Jeong-O Mun, Yoon-Koo Lee
  • Publication number: 20240396158
    Abstract: A battery cell assembly is provided. The battery cell assembly includes at least one pouch-type battery cell including an electrode lead, a cell cover surrounding the at least one pouch-type battery cell and having a front open end or a rear open end, a bus bar connected to the electrode lead of the at least one pouch-type battery cell, a bus bar frame supporting the bus bar and covering the front open end or the rear open end of the cell cover where the electrode lead is located, and a flame blocking member including a mesh net formed of a material with high rigidity and high heat resistance coupled to a body of the bus bar.
    Type: Application
    Filed: December 19, 2022
    Publication date: November 28, 2024
    Inventors: Woo-Yong KWON, Jong-Mo KANG, Kyung-Woo KIM, In-Soo KIM, Jin-Yong PARK, Jae-Min YOO, Ho-June CHI
  • Patent number: 12155052
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: November 26, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee
  • Publication number: 20240304919
    Abstract: A battery module including a base plate, a front cover at a first end of the base plate and a rear cover at a second end of the base plate, the rear cover spaced from the front cover in a first direction, a pair of gas discharge passages extending in the first direction, an outlet in the rear cover for each of the pair of gas discharge passages, and a mesh cover over each outlet, wherein each of the pair of gas discharge passages has an open portion formed by a top of the gas discharge passage.
    Type: Application
    Filed: May 20, 2024
    Publication date: September 12, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Publication number: 20240266636
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min YOO, Jeong-O MUN, Eun-Gyu SHIN, Yoon-Koo LEE
  • Patent number: 12040510
    Abstract: A battery module system includes a cooling device, a battery module disposed on the cooling device, the battery module being in direct or indirect contact with the cooling device, a sensor attached to the battery module to sense a temperature of the battery module or gas generated from the battery module, a battery management system to output a switching on/off signal with reference to a sensing signal transmitted from the sensor; and an external short-circuiting device connected between the positive electrode and negative electrode of the battery module to induce an external short circuit of the battery module, the external short-circuiting device including: a resistor disposed on the cooling device, the resistor being in direct or indirect contact with the cooling device; and a switch to electrically connect or isolate the battery module to/from the resistor according to the switching on/off signal.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 16, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee, Yong-Seok Choi, Jee-Soon Choi
  • Patent number: 12015165
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases cooling efficiency. The battery module includes a cell assembly having a plurality of secondary batteries stacked on each other in a front and rear direction; and a base plate configured such that the plurality of secondary batteries of the cell assembly are mounted to an upper portion thereof, the base plate including at least one gas discharge passage having a sidewall elongated in the front and rear direction to communicate with the outside and an open portion formed by a top of the sidewall in one direction and at least one anti-inflammatory mesh sheet configured to cover the open portion.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: June 18, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee
  • Patent number: 12002939
    Abstract: A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: June 4, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee
  • Patent number: 12002938
    Abstract: A battery rack includes a plurality of battery modules stacked on each other in a vertical direction; a rack case configured to accommodate the plurality of battery modules; and at least one firewall provided to at least one of both side surfaces of the rack case to prevent flame and heat from propagating toward an adjacent battery rack when a fire occurs.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: June 4, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Min Yoo, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee
  • Patent number: 11996510
    Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: May 28, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jae Min Yoo, Dal Mo Kang, Jeong Oh Moon, Jaeuk Ryu, Su Chang Kim, Ji Su Yoon
  • Patent number: 11978876
    Abstract: A battery module includes a battery cell stack constituted by a plurality of stacked pouch-shaped battery cells, a battery module housing configured to receive the battery cell stack, and a heat dissipation member coupled to a portion of the battery module housing, wherein the heat dissipation member has a through-hole formed in a heat dissipation plate disposed so as to face the battery cell stack and a sealing member is added to the through-hole, and a method of manufacturing the heat dissipation member. It is possible to effectively prevent thermal runaway of a battery cell that has caught fire while minimizing an increase in volume of the battery module.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Young Bum Cho, Eun Gyu Shin, Jae Min Yoo, Seung Joon Kim