公开(公告)号：US10547093B2

公开(公告)日：2020-01-28

申请号：US15121404

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Taejin Kim ,  Sanghun Yoon ,  Sanghyun Lee

IPC: H01M10/6568 ,  H01M10/6556 ,  H01M2/10 ,  H01M10/613 ,  H01M10/625

Abstract: The present invention relates to a battery pack. A battery pack according to an embodiment of the present invention includes: a cell module including a cell for generating electric energy; a heat sink in which cooling water for absorbing heat energy generated in the cell module flows; and a vortex flow forming unit disposed in the heat sink to form a vortex flow.

公开(公告)号：US11462989B2

公开(公告)日：2022-10-04

申请号：US16952456

申请日：2020-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Jonggyu Lee ,  Taejin Kim ,  Hyosung Park

IPC: H02M1/08 ,  H02M7/5387 ,  H02P27/08 ,  H02M1/00

Abstract: A power converting apparatus and a vehicle including the same according to an embodiment of the present disclosure includes a switching element; and a gate drive unit configured to apply a gate driving signal for driving the switching element to a gate terminal of the switching element, wherein the gate drive unit includes: a current source unit including a source current for sourcing current to the gate terminal in a turn-on section of the switching element, and a sink current for sinking current from the gate terminal in a turn-off section of the switching element; a control current for sinking the current from the gate terminal during a partial section of the turn-on section and the turn-off section of the switching element; and a control current controller configured to control an operation of the control current.

公开(公告)号：US20210159772A1

公开(公告)日：2021-05-27

申请号：US16952456

申请日：2020-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Jonggyu Lee ,  Taejin Kim ,  Hyosung Park

IPC: H02M1/08 ,  H02P27/08 ,  H02M7/5387

Abstract: A power converting apparatus and a vehicle including the same according to an embodiment of the present disclosure includes a switching element; and a gate drive unit configured to apply a gate driving signal for driving the switching element to a gate terminal of the switching element, wherein the gate drive unit includes: a current source unit including a source current for sourcing current to the gate terminal in a turn-on section of the switching element, and a sink current for sinking current from the gate terminal in a turn-off section of the switching element; a control current for sinking the current from the gate terminal during a partial section of the turn-on section and the turn-off section of the switching element; and a control current controller configured to control an operation of the control current.

公开(公告)号：US11375645B2

公开(公告)日：2022-06-28

申请号：US17052992

申请日：2018-11-21

Applicant: LG Electronics Inc.

Inventor： Namjoon Cho ,  Taejin Kim ,  Gilsu Lee

IPC: H05K7/20 ,  H01L23/473 ,  H02M7/44

Abstract: A power module of the present invention includes a power device for converting and outputting a frequency of an input power source, and a housing accommodating the power device therein and forming flow paths for a cooling fluid on both sides of the power device such that the cooling fluid can contact both sides of the power device. Accordingly, both plate surfaces of the power device can be in direct contact with the cooling fluid so as to be quickly cooled.