Patents by Inventor Hyun Min Lee

Hyun Min Lee 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: 20250226461
    Abstract: A control container configured to be connected to an external electrical system and at least one of power conversion system (PCS) including a DC unit having a DC line and configured to receive DC power from the PCS through the DC line, an AC unit having an AC line and configured to receive AC power from the external electrical system through the AC line, and a main controller connected to the AC unit and configured to receive a power from the external electrical system through the AC line.
    Type: Application
    Filed: March 24, 2025
    Publication date: July 10, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Ji-Won LEE, Hyung-Uk LEE, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Hyun-Min LEE, Seung-Jun LEE, Tae-Shin CHO
  • Patent number: 12355285
    Abstract: A fire spreading prevention method in an energy storage system (ESS) composed of a plurality of battery racks including an individual battery rack fire detection step of detecting whether a fire occurs for each of the plurality of battery racks and a battery rack forced discharge step of forcibly discharging at least some of the plurality of battery racks when a fire is detected in the individual battery rack fire detection step.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: July 8, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ji Won Lee, Jong Soo Lee, Sung Han Yoon, Jun Min Lee, Hyun Min Lee, Hang Jin Cho
  • Patent number: 12337201
    Abstract: An energy storage system according to an aspect of the present disclosure includes a control container having a battery system controller (BSC), a master controller connected to the BSC through a first communication line, and a bank battery management system (BBMS) connected to the BSC through a second communication line; and a battery container including a slave controller connected to the master controller through the first communication line, and a rack battery management system (RBMS) connected to the BBMS through the second communication line and for monitoring a state of a corresponding battery rack.
    Type: Grant
    Filed: May 16, 2024
    Date of Patent: June 24, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok Yang, Yo-Hwan Kim, Sung-Han Yoon, Hyun-Min Lee, Ji-Hun Kim, Hong-Jae Park, Ji-Won Lee, Hyung-Uk Lee, Seung-Jun Lee, Tae-Shin Cho
  • Publication number: 20250202067
    Abstract: A battery container including at least one battery rack, a container housing having a top wall, a bottom wall and a first side wall, an inner space formed in the container housing to accommodate the at least one battery rack, a connector accommodation portion formed on the container housing, a first main connector located in the connector accommodation portion of the container housing, the first main connector being configured to be electrically connected to outside of the battery container, a main bus bar connected to the first main connector to transmit power, and a cover connected to the container housing and configured to cover at least a portion of the connector accommodation portion.
    Type: Application
    Filed: February 25, 2025
    Publication date: June 19, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Seung-Jun LEE, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Tae-Shin CHO, Ji-Ho YOO, Sung-Han YOON
  • Publication number: 20250192248
    Abstract: A battery container including at least one module stack, a container housing accommodating the at least one module stack in an internal space, a power line configured to transmit charge power and discharge power, a main pipe configured to supply a fire extinguishing agent to the at least one module stack, and a first connector at a first end of the main pipe, the first connector being located in a first side of the container housing and accessible from an exterior of the container housing.
    Type: Application
    Filed: February 21, 2025
    Publication date: June 12, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20250179228
    Abstract: A method for producing a vinyl chloride-based copolymer by copolymerizing a polymerizable monomer with a vinyl chloride-based polymer, wherein the method is capable of producing a vinyl chloride-based copolymer with high heat resistance by optimizing the ratio between the repeating units in the chain of polyvinyl chloride and a reducing agent, monomer, catalyst, and ligand.
    Type: Application
    Filed: October 25, 2023
    Publication date: June 5, 2025
    Inventors: Jae Hyun PARK, Seong Yong AHN, Hyun Min LEE, Joong Chul LIM, Hyun Jong PAIK, Hong Yul CHO, Dong Woo KIM, Seok Hyeon JEONG
  • Patent number: 12318644
    Abstract: A water injection unit includes an enclosure including, on at least one outer wall, a connection port connectable to a fire-fighting connection hose or a communication cable, a water tank connected to the connection port and located in the enclosure, a gas storage tank connected to the water tank to supply gas into the water tank, and a controller connected to the connection port and the gas storage tank, and configured to detect whether a fire occurs in the battery container, and allow gas in the gas storage tank to be sprayed into the water tank and allow fire extinguishing water in the water tank to be discharged due to gas pressure.
    Type: Grant
    Filed: June 26, 2024
    Date of Patent: June 3, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok Yang, Ji-Hun Kim, Hong-Jae Park, Yo-Hwan Kim, Sung-Han Yoon, Ji-Won Lee, Hyun-Min Lee, Hyung-Uk Lee, Seung-Jun Lee, Tae-Shin Cho
  • Publication number: 20250123148
    Abstract: The present invention provides a method by which a fabric measurement apparatus determines color information about fabric. In particular, the method may comprise the steps of: measuring a plurality of pieces of first color information about at least a part of a area of fabric input into the fabric measurement apparatus; determining an average value for the plurality of pieces of first color information; and determining second color information about the fabric based on the average value.
    Type: Application
    Filed: July 13, 2022
    Publication date: April 17, 2025
    Applicant: H2nd Inc.
    Inventors: Chung Min HAM, Min Hyeok CHOI, Su Ann LEE, Hyun Min LEE, Yoon Jung KANG, Young Se LEE
  • Patent number: 12272841
    Abstract: A battery container has excellent workability, assembly, expandability, and safety. The battery container includes at least one battery rack including a plurality of battery modules; a container housing having an empty space formed therein to accommodate the battery rack; a plurality of main connectors located on at least one side of the container housing and configured to be electrically connected to the outside; and a main bus bar connected between the plurality of main connectors to transmit power.
    Type: Grant
    Filed: April 12, 2024
    Date of Patent: April 8, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok Yang, Yo-Hwan Kim, Ji-Hun Kim, Hong-Jae Park, Seung-Jun Lee, Ji-Won Lee, Hyun-Min Lee, Hyung-Uk Lee, Tae-Shin Cho, Ji-Ho Yoo, Sung-Han Yoon
  • Patent number: 12266767
    Abstract: An energy storage system includes a control container configured to be connected to an external power conversion system (PCS) and an external electrical system; and a battery container including at least one battery rack and configured to be connected to the control container.
    Type: Grant
    Filed: June 7, 2024
    Date of Patent: April 1, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok Yang, Ji-Won Lee, Hyung-Uk Lee, Yo-Hwan Kim, Ji-Hun Kim, Hong-Jae Park, Sung-Han Yoon, Hyun-Min Lee, Seung-Jun Lee, Tae-Shin Cho
  • Publication number: 20250104756
    Abstract: The present disclosure relates to a method and apparatus enabling setting of I/O parameters for communication between a system-on-chip and a memory.
    Type: Application
    Filed: October 8, 2024
    Publication date: March 27, 2025
    Inventors: Hyun Min LEE, Yong Soo KIM, Seung Chul KANG
  • Patent number: 12261272
    Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.
    Type: Grant
    Filed: June 26, 2024
    Date of Patent: March 25, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok Yang, Yo-Hwan Kim, Ji-Hun Kim, Hong-Jae Park, Sung-Han Yoon, Ji-Won Lee, Hyun-Min Lee, Hyung-Uk Lee, Seung-Jun Lee, Tae-Shin Cho
  • Publication number: 20250062474
    Abstract: A battery container has improved energy density and can be used in an energy storage system. The battery container includes a container body, a coupling unit configured to couple different container bodies, and a load support unit configured to support a vertical load of the container body.
    Type: Application
    Filed: November 4, 2024
    Publication date: February 20, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Mun-Seok YANG, Sung-Han YOON, Seung-Jun LEE, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Tae-Shin CHO
  • Publication number: 20250030141
    Abstract: An energy storage system according to the present disclosure includes at least one battery rack including a plurality of stacked battery modules; a container accommodating the at least one battery rack, wherein the container includes a bottom plate in which the at least one battery rack is disposed; and a fire fighting water collection chamber disposed lower than the bottom plate and having at least one side in communication with the bottom plate to allow a fire fighting water dropped from the at least one battery rack to enter.
    Type: Application
    Filed: April 27, 2023
    Publication date: January 23, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ji-Hun KIM, Yo-Hwan KIM, Hong-Jae PARK, Mun-Seok YANG, Sung-Han YOON, Seung-Jun LEE, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Tae-Shin CHO
  • Publication number: 20250023216
    Abstract: A battery rack according to the present disclosure includes a plurality of battery modules; a rack case having receiving portions, each receiving portion configured to and receive one of the plurality of battery modules at each predetermined height, and each receiving portion having a structure in which upper and lower sides and left and right sides are closed and front and rear sides are open; a fire fighting water supply pipe connected to each of the battery modules disposed in the receiving portions which supplies a fire fighting water when a fire occurs; and a drain guide disposed on an outer surface of the rack case including at least one surface of a front outer surface or a rear outer surface of the rack case, the drain guide being configured to guide drainage of the fire fighting water.
    Type: Application
    Filed: April 27, 2023
    Publication date: January 16, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ji-Hun KIM, Yo-Hwan KIM, Hong-Jae PARK, Mun-Seok YANG, Sung-Han YOON, Seung-Jun LEE, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Tae-Shin CHO
  • Publication number: 20240347791
    Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240342526
    Abstract: A water injection unit includes an enclosure including, on at least one outer wall, a connection port connectable to a fire-fighting connection hose or a communication cable, a water tank connected to the connection port and located in the enclosure, a gas storage tank connected to the water tank to supply gas into the water tank, and a controller connected to the connection port and the gas storage tank, and configured to detect whether a fire occurs in the battery container, and allow gas in the gas storage tank to be sprayed into the water tank and allow fire extinguishing water in the water tank to be discharged due to gas pressure.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Ji-Hun KIM, Hong-Jae PARK, Yo-Hwan KIM, Sung-Han YOON, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240332647
    Abstract: An energy storage system includes a control container configured to be connected to an external power conversion system (PCS) and an external electrical system; and a battery container including at least one battery rack and configured to be connected to the control container.
    Type: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Ji-Won LEE, Hyung-Uk LEE, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Hyun-Min LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240325807
    Abstract: A fire monitoring apparatus according to an embodiment of the present disclosure is a device for monitoring a fire in an energy storage system, and includes a fire level determination unit for receiving a smoke detection signal from a smoke sensor provided inside the energy storage system and determining a fire level according to the number of smoke sensors that detect the smoke, a control unit for controlling an operation of at least one of an air conditioning unit, a fire extinguishing unit, a watering unit and a ventilation unit for the energy storage system as a fire suppression measure corresponding to the determined fire level.
    Type: Application
    Filed: January 19, 2023
    Publication date: October 3, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun-Min LEE, Yo-Hwan KIM, Kyung-Min LEE, Ji-Won LEE, Jong-Min PARK, Jong-Soo LEE
  • Publication number: 20240304876
    Abstract: An energy storage system according to an aspect of the present disclosure includes a control container having a battery system controller (BSC), a master controller connected to the BSC through a first communication line, and a bank battery management system (BBMS) connected to the BSC through a second communication line; and a battery container including a slave controller connected to the master controller through the first communication line, and a rack battery management system (RBMS) connected to the BBMS through the second communication line and for monitoring a state of a corresponding battery rack.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 12, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Sung-Han YOON, Hyun-Min LEE, Ji-Hun KIM, Hong-Jae PARK, Ji-Won LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO