公开(公告)号：US20230223577A1

公开(公告)日：2023-07-13

申请号：US18079105

申请日：2022-12-12

Applicant: SUNGWOO HITECH CO., LTD.

Inventor： Sung Man Sohn ,  Dong Hyung Choi

IPC: H01M10/04

CPC classification number: H01M10/0404

Abstract: Disclosed is a system of assembling a cross member for a battery case. The system of assembling a cross member for a battery case laser-welds a part to be assembled to the cross member with a closed section. The system of assembling a cross member may include: a welding jig configured to clamp the cross member; a core configured to be inserted into the closed section of the cross member clamped to the welding jig; and a core supply jig configured to insert the core into the closed section of the cross member.

公开(公告)号：US20220149485A1

公开(公告)日：2022-05-12

申请号：US17475396

申请日：2021-09-15

Applicant: SUNGWOO HITECH CO., LTD.

Inventor： Tae Hee Kim ,  Sung Man Sohn

IPC: H01M50/507 ,  H01R25/16 ,  H01R4/34 ,  H01M50/517

Abstract: A terminal connection structure of a battery is disclosed. A terminal connection structure of the battery is for electrically connecting positive and negative terminals of battery modules of a first row and battery modules of a second row that is adjacent to the first row in a plurality of rows where battery modules are arranged. The terminal connection structure of the battery may include: a first bus bar module electrically connecting the positive and negative terminals in the first row of battery modules; and a second bus bar module configured to electrically connected to the positive and negative terminals in the battery modules of the second row, stacked vertically on the first bus bar module, to be electrically connected to the first bus bar module.

公开(公告)号：US12036891B2

公开(公告)日：2024-07-16

申请号：US17890381

申请日：2022-08-18

Applicant: SUNGWOO HITECH CO., LTD.

Inventor： Sung Man Sohn ,  Tae Hee Kim

IPC: B60L58/19 ,  B60L53/22 ,  B60L58/12 ,  H02J7/00

CPC classification number: B60L58/19 ,  B60L53/22 ,  B60L58/12 ,  H02J7/0024 ,  H02J7/0048 ,  B60L2250/16 ,  B60L2260/20 ,  H02J2207/20

Abstract: Disclosed is a system and a method of controlling a battery connection of an electric vehicle. The system for controlling a battery connection of an electric vehicle, the system including: a battery unit including a plurality of battery packs; a power relay assembly (PRA) for electrically connecting or disconnecting the battery unit and an inverter, and changing a connection structure of the plurality of battery packs to one of a battery unit serial mode and a battery unit parallel mode through a plurality of relays; and a controller for switching the connection structure to the battery unit serial mode through the PRA in response to a driver's request to increase motor output, and switches the connection structure to the battery unit parallel mode through the PRA in response to a driver's request to increase a cruising distance.

公开(公告)号：US11901584B2

公开(公告)日：2024-02-13

申请号：US17475396

申请日：2021-09-15

Applicant: SUNGWOO HITECH CO., LTD.

Inventor： Tae Hee Kim ,  Sung Man Sohn

IPC: H01M50/507 ,  H01M50/517 ,  H01R4/34 ,  H01R25/16

CPC classification number: H01M50/507 ,  H01M50/517 ,  H01R4/34 ,  H01R25/162

Abstract: A terminal connection structure of a battery is disclosed. A terminal connection structure of the battery is for electrically connecting positive and negative terminals of battery modules of a first row and battery modules of a second row that is adjacent to the first row in a plurality of rows where battery modules are arranged. The terminal connection structure of the battery may include: a first bus bar module electrically connecting the positive and negative terminals in the first row of battery modules; and a second bus bar module configured to electrically connected to the positive and negative terminals in the battery modules of the second row, stacked vertically on the first bus bar module, to be electrically connected to the first bus bar module.

公开(公告)号：US20220194197A1

公开(公告)日：2022-06-23

申请号：US17475401

申请日：2021-09-15

Applicant: SUNGWOO HITECH CO., LTD.

Inventor： Sungyong PARK ,  Sung Man Sohn

IPC: B60K1/04 ,  B60L50/64

Abstract: An assemble structure of a battery case for an electric vehicle is disclosed. The assemble structure of the battery case may include: a lower case configured to include a bottom plate and a wall provided at an edge of the bottom plate, to form an accommodating space with an upper end that is opened through the wall; a plurality of first fastening members fixed to the wall of the lower case along an edge direction; a gasket configured to have a gasket hole into which the first fastening members are fitted, to be elastically and compressively deformable through an upper surface of the wall; a cover configured to have a flange portion for pressing the gasket that is formed at an edge thereof; second fastening members coupled to a coupling hole formed in the flange portion of the cover and fastened to the first fastening members; and a stopper head portion integrally provided with the first fastening members, to limit a compressive deformation amount of the gasket and to fix a position of the gasket.