公开(公告)号：US11427461B2

公开(公告)日：2022-08-30

申请号：US16573128

申请日：2019-09-17

Applicant: LG ELECTRONICS INC.

Inventor： Heejun Lee ,  Seungje Park ,  Hoyong Jang ,  Jeashik Heo

IPC: B67D3/00 ,  F24H1/10

Abstract: A dispenser includes: a tank; an inlet pipe connected to the tank and to supply liquid to the tank; a heater for heating liquid in the tank; an inverter printed circuit board for controlling the operation of the heater; a heat sink formed of a metal or other heat conductive material, and having a cavity; and a power semiconductor element electrically connected to the inverter printed circuit board to control power to the heater, and fixed to the heat sink to heat-exchange with liquid flowing in the cavity. The cavity of the heat sink may receive a section of the inlet pipe or may form a flow path to receive the fluid from the inlet pipe.

公开(公告)号：US11405990B2

公开(公告)日：2022-08-02

申请号：US16484012

申请日：2018-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Jeashik Heo

IPC: H05B6/06 ,  H05B6/12 ,  F24C7/06 ,  F24C7/08

Abstract: Provided is an induction cooking apparatus including a heating part including a working coil forming a heating region and configured to heat a container placed in the heating region, an inverter configured to supply a driving voltage to the working coil, a plurality of sensing coils arranged along a circumferential portion of the working coil and sensing the container placed in the heating region, and a controller configured to determine whether to drive the inverter on the basis of information acquired from the plurality of sensing coils.