Patents by Inventor Bumhyun Lee

Bumhyun 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).

  • Patent number: 9017857
    Abstract: Disclosed herein is an electrode terminal connecting device for electrically interconnecting two or more battery modules, including a conductive connecting member for electrically interconnecting electrode terminals of the battery modules, the conductive connecting member having two through-holes formed at positions corresponding to the distance between the electrode terminals, an insulative sheathing member for surrounding the conductive connecting member, a portion of an open rear of the insulative sheathing member being closed for easy installation of the conductive connecting member, the insulative sheathing member including a side wall protruding from the outer circumference of the conductive connecting member such that the side wall has a predetermined height, and an insulative cap connected to the top of the insulative sheathing member by a hinge structure for opening and closing an open front of the insulative sheathing member, the insulative cap having hollow buffers protruding from the inside thereo
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: April 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Bumhyun Lee, Yongshik Shin, Jin Kyu Lee, Jongmoon Yoon, Jae Hun Yang
  • Patent number: 9012051
    Abstract: Disclosed is a battery pack including a battery module array including battery modules arranged in two or more rows, a pair of side support members (a front support member and a rear support member) configured to respectively support a front and a rear of the battery module array, lower end support members configured to support a lower end of the battery module array, two or more first upper mounting members coupled to upper ends of the side support members and to lower ends of the inverted battery modules, a second upper mounting member configured to vertically intersect the first upper mounting members, the second upper mounting member being coupled to upper ends of the first upper mounting members, and a rear mounting member located at a rear of the battery module array.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: April 21, 2015
    Assignee: LG Chem, Ltd.
    Inventors: BumHyun Lee, Jin Kyu Lee, DalMo Kang, Jong Moon Yoon
  • Publication number: 20150037650
    Abstract: Disclosed herein is a battery pack including two or more battery modules connected to each other, external input and output terminals being formed at one side of each of the battery modules, each of the battery modules including a plurality of unit cells electrically connected to each other while being stacked, wherein the two or more battery modules are connected in series or in parallel to each other via a connection member such that one of the battery modules is connected to an adjacent one of the battery modules, and the connection member is configured to have a structure in which different kinds of metals having different melting points are coupled to each other.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 5, 2015
    Inventors: BumHyun LEE, Jin-Kyu SHIN
  • Patent number: 8905171
    Abstract: Disclosed is a battery pack including a battery module array having battery modules arranged in two or more rows in a state in which the battery modules are erected in an upside-down fashion, each of the battery modules being formed by stacking battery cells or unit modules, each having two or more battery cells mounted therein, in a lateral direction with respect to electrode terminals of the battery cells, a front support member and a rear support member that are a pair of side support members to support the front and rear of the battery module array, respectively, lower end support members coupled to lower ends of the side support members, and mounting members coupled to an upper end of the battery module array and fastened to an external device such that an upper part of the battery pack is mounted to the external device.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: December 9, 2014
    Assignee: LG Chem, Ltd.
    Inventors: BumHyun Lee, Yong Shik Shin, Jin Kyu Lee, Jong Moon Yoon, YeonSeok Choo
  • Patent number: 8900736
    Abstract: Disclosed herein is a battery pack including a bracket coupled between at least one side supporting member and a rear mounting member to distribute load of battery modules to a rear mounting member via the at least one side supporting member, thereby effectively supporting vibration of the battery pack in a forward and backward direction and load of the battery pack.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: December 2, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Junseok Choi, Bumhyun Lee, Sangyoon Jeong, Jong Moon Yoon, Jin Kyu Lee
  • Publication number: 20140315057
    Abstract: Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover.
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Inventors: BumHyun LEE, Jin Kyu LEE, MinJung KIM, Jong Moon YOON, DalMo KANG
  • Patent number: 8852782
    Abstract: Disclosed herein is a battery pack, temperature of which is controllable, including at least one battery module including a plurality of battery cells or unit modules (‘unit cells’) which can be charged and discharged, a fluid channel formed such that a fluid to cool or heat the battery module passes through the battery module, a flow change unit located on the fluid channel to change a flow direction of the fluid based on a temperature state of the battery module, and an operation controller to control an operation of the flow change unit based on information regarding the temperature of the battery module.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: October 7, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, BumHyun Lee, DalMo Kang, SangYoon Jeong, Min Chul Jang, Jong Moon Yoon
  • Patent number: 8846233
    Abstract: Disclosed herein is a battery module assembly including a plurality of battery modules, each including a plurality of battery cells or unit modules mounted in a module case in a state in which the battery cells or the unit modules are connected in series to each other, wherein the battery modules are arranged adjacent to each other in the lateral direction in a state in which the battery modules are electrically connected to each other, and a cooling member including a coolant conduit to allow a liquid coolant to flow therealong is mounted at the outside of each of the battery modules.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: September 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, Yongshik Shin, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jongmoon Yoon, Jaeseong Yeo
  • Patent number: 8846234
    Abstract: Disclosed herein is a battery cartridge configured in a frame structure to mount a plate-shaped battery cell therein, the battery cartridge comprising a pair of plate-shaped frames configured to fix the outer circumference of the battery cell in a state in which at least one side of the battery cell is open, wherein each of the frames is provided at the outside thereof with an elastic pressing member configured to fix a heat dissipation member to the open side of the battery cell in a tight contact manner upon manufacture of a battery module.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: September 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Jaeseong Yeo
  • Patent number: 8828578
    Abstract: Disclosed herein is a middle- or large-sized battery module including a plurality of battery cells or unit modules, the middle- or large-sized battery module being configured to have a connection structure in which measured voltage and/or temperature signals of the battery cells or the unit modules are transmitted and received by a wire type connection member, wherein at least one end of the connection member is connected to a connection counterpart in a male and female engagement type mechanical coupling manner, the connection member has a downwardly bent region (a downwardly bent portion) formed at a region adjacent to a connection part such that the downwardly bent portion is bent downward to a height lower than the connection part for preventing moisture condensed on the connection member from being introduced to the connection part due to gravity.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: September 9, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jae Hun Yang, Jongmoon Yoon, Yongshik Shin, BumHyun Lee
  • Publication number: 20140234690
    Abstract: Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member.
    Type: Application
    Filed: April 23, 2014
    Publication date: August 21, 2014
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, Yong Shik SHIN, Jin Kyu LEE, DalMo KANG
  • Patent number: 8808885
    Abstract: Disclosed herein is a battery module configured in a structure in which two or more battery cells, each of which has electrode terminals formed at one end or opposite ends thereof, are stacked in a state in which the battery cells are electrically connected to each other, wherein the electrode terminals of the battery cells are formed of plate-shaped conductive members, the electrode terminals of the battery cells are folded such that the electrode terminals are in tight contact with each other to form a bent connection part at an electrical connection region between the battery cells, and the bent connection part is surrounded by a voltage sensing member mounted to the bent connection part.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: August 19, 2014
    Assignee: LG Chem, Ltd.
    Inventors: BumHyun Lee, Jin Kyu Lee, Jongmoon Yoon, Jae Hun Yang, Yongshik Shin, Dal Mo Kang
  • Publication number: 20140227577
    Abstract: A middle- or large-sized battery pack having two or more hexahedral battery modules, each including a plurality of chargeable and dischargeable plate-shaped unit cells, mounted in a pack case, wherein the battery pack removes heat generated during the charge and discharge of the unit cells using an air cooling method, the unit cells of each of the battery modules are vertically stacked such that the number of the unit cells corresponds to a height of a battery pack installation space defined in a vehicle while neighboring unit cells are spaced apart from each other such that a coolant channel is defined between the respective unit cells, the pack case is formed in a shape corresponding to the battery pack installation space in the vehicle, and a coolant for removing heat from the unit cells is introduced through at least one side of the pack case.
    Type: Application
    Filed: April 14, 2014
    Publication date: August 14, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kyu LEE, Dal Mo KANG, Yongshik SHIN, Bumhyun LEE, Chae Ho CHUNG, Jongmoon YOON
  • Publication number: 20140212723
    Abstract: Disclosed herein is a battery module assembly including two or more battery modules having cell units, each of which includes one or more battery cells having insulating tape at least partially attached to an outer circumference thereof excluding electrode terminals thereof, electrically connected to one another, a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another, and fastening holes formed at a top of the upper case and a bottom of the lower case to position or fix the battery module assembly.
    Type: Application
    Filed: April 2, 2014
    Publication date: July 31, 2014
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, JiYoung CHOI, DalMo KANG, JunYeob SEONG
  • Publication number: 20140212724
    Abstract: Disclosed herein is a battery module assembly including (a) two or more battery modules having cell units, each of which includes one or more battery cells, connected in parallel to one another, (b) a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, (c) a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another in parallel, and (d) a fastening hole formed at a front of the upper case and/or a front of the lower case to position or fix the battery module assembly.
    Type: Application
    Filed: April 2, 2014
    Publication date: July 31, 2014
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, JiYoung CHOI, DalMo KANG, JunYeob SEONG
  • Publication number: 20140212722
    Abstract: A battery module assembly having one or more plate-shaped cells, including two or more battery modules having cell units, each of which includes one or more battery cells, electrically connected to one another, a pair of an upper and lower case to surround outer circumferences of the modules such that one surface of each of the outermost modules is exposed outside in a state in which the modules are erected on their sides, one or more first fastening holes vertically formed at a top of the upper case and a bottom of the lower case in a direction in which first fastening holes face each other to fasten and fix the upper and lower case, and two or more second fastening holes horizontally formed at a front and/or a rear of the upper case and a front and/or a rear of the lower case to position or fix the assembly.
    Type: Application
    Filed: April 2, 2014
    Publication date: July 31, 2014
    Applicant: LG CHEM, LTD.
    Inventors: BumHyun LEE, JiYoung CHOI, DalMo KANG, JunYeob SEONG
  • Patent number: 8722224
    Abstract: Disclosed is a battery pack configured to have a structure in which two or more battery modules, each including a plurality of battery cells or unit modules (unit cells) which can be charged and discharged, are mounted in a space defined between a pack case and a base plate, wherein cooling members, each including a heat dissipation fin disposed in contact with outsides of corresponding ones of the unit cells and a coolant conduit connected to a lower end of the heat dissipation fin to allow a coolant to flow therealong, are mounted at interfaces between the unit cells, the base plate, located below the battery modules, is configured to form a coolant flow channel having a coolant flow direction corresponding to the coolant flow direction in the coolant conduit, the pack case is coupled to the base plate in a state in which the battery modules are mounted on the base plate.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: May 13, 2014
    Assignee: LG Chem, Ltd.
    Inventors: BumHyun Lee, MinJung Kim, Jin Kyu Lee, HeeSoo Yoon, DalMo Kang, Jong Moon Yoon
  • Patent number: 8708080
    Abstract: Disclosed is a battery pack including (a) a battery module array having battery modules arranged in two or more rows, (b) a pair of side support members that are in close contact with outermost unit modules in the battery modules in the battery module array, (c) lower end support members coupled to lower ends of the side support members, (d) two or more first upper mounting members coupled to upper ends of the side support members and lower ends of the battery modules erected in an upside-down fashion, (e) a second upper mounting member coupled to upper ends of the first upper mounting members, and (f) a rear mounting member disposed at the rear of the battery module array.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: April 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Bumhyun Lee, Yong Shik Shin, Jin Kyu Lee, Jong Moon Yoon, Yeonseok Choo
  • Patent number: 8703322
    Abstract: Disclosed herein is a battery cartridge having a plate-shaped battery cell mounted therein, wherein the battery cartridge includes a pair of plate-shaped frames configured to fix opposite sides of the battery cell at the edge thereof in a state in which the sides of the battery cell are open, and each of the frames is provided at the inside thereof, disposed in contact with the edge of the battery cell, with an elastic pressing member configured to press the edge of the battery cell.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: April 22, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Kyu Lee, Kwanyong Kim, Jongmoon Yoon, Jaeseong Yeo, Yongshik Shin, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang
  • Publication number: 20140099527
    Abstract: Disclosed herein is a battery module including chargeable and dischargeable battery cells which are sequentially arranged in a stacked state, cartridges fixing edges of the respective battery cells to form a battery cell stacked structure, and heat transfer members mounted between the respective battery cells, edges of the heat transfer members being partially or entirely fixed to the respective cartridges. The battery module according to the present invention is configured to have a structure in which the heat transfer members, to which heat generated from the battery cells is conducted, are coupled to the cartridges to fix the battery cells and, at the same time, to cool the battery cells, thereby improving cooling efficiency, reducing the size of the battery module to have a compact structure, and improving structural stability of the battery cells.
    Type: Application
    Filed: December 16, 2013
    Publication date: April 10, 2014
    Applicant: LG CHEM, LTD.
    Inventors: JunYeob SEONG, BumHyun LEE, DalMo KANG, YongSeok CHOI