公开(公告)号：EP3964638A1

公开(公告)日：2022-03-09

申请号：EP21195178.5

申请日：2021-09-07

Applicant: LG Electronics Inc.

Inventor： KIM, Ji Hoon ,  LEE, JungHoon ,  MOON, Chan Woo ,  KIM, Youngmin

IPC: D06F58/26 ,  D06F58/38 ,  D06F58/02 ,  D06F103/02 ,  D06F103/32 ,  D06F103/44 ,  D06F103/52 ,  D06F105/28 ,  D06F105/48 ,  D06F105/52

Abstract: The present invention relates to a laundry drying machine and a control method of the laundry drying machine, and includes a cabinet, a drum that is rotatably installed in the cabinet to accommodate a subject to be dried, an electric field generator that is spaced apart from the drum and generates an electric field inside the drum when power is applied, and an exhaust duct that discharges the air inside the drum. The drum rotates while the power is applied to the anode electrode and maintains the internal temperature of the subject to be dried at 50 degrees or less, thereby preventing the occurrence of color transfer in the subject to be dried.

公开(公告)号：EP3964637A1

公开(公告)日：2022-03-09

申请号：EP21195174.4

申请日：2021-09-07

Applicant: LG Electronics Inc.

Inventor： KIM, Ji Hoon ,  LEE, JungHoon ,  MOON, Chan Woo ,  KIM, Youngmin

IPC: D06F58/26 ,  D06F58/38 ,  D06F58/02 ,  D06F103/02 ,  D06F103/44 ,  D06F103/52 ,  D06F105/28 ,  D06F105/48 ,  D06F105/52 ,  D06F103/32

Abstract: A laundry drying machine that includes a cabinet, a drum and an electric field generator that generates an electric field inside the drum. The electric field generator includes an anode electrode that is spaced apart from the drum, fixed to the cabinet, and applies the electric field to the subject to be dried, a power supply unit and a matcher that is provided in the cabinet and matches source impedance of the power and an impedance of a load side. The drum is rotated at a preset agitating rotation speed in a state in which the power supply to the anode electrode is stopped, and the agitating rotation speed is greater than 0, less than 50 rpm, so that there is an effect that the subject to be dried can slide along the inner circumferential surface of the drum without falling. Further, a respective control method is provided.

公开(公告)号：EP3967803A1

公开(公告)日：2022-03-16

申请号：EP21195213.0

申请日：2021-09-07

Applicant: LG Electronics Inc.

Inventor： KIM, Ji Hoon ,  LEE, JungHoon ,  MOON, Chan Woo ,  KIM, Youngmin

IPC: D06F58/06 ,  D06F58/26 ,  D06F58/02

Abstract: The present invention relates to a laundry drying machine having a ground electrode capable of maintaining the grounding of a rotating drum in the process of drying a subject to be dried using a high frequency wave, including a drum body, a ground electrode and a support roller. The shortest distance between the central axis of the support roller and the ground electrode is determined to be shorter than the sum of the diameter of the drum body and the radius of the support roller, thereby maintaining the ground during the rotation of the drum to prevent spark generation.

公开(公告)号：EP3964639A1

公开(公告)日：2022-03-09

申请号：EP21195185.0

申请日：2021-09-07

Applicant: LG Electronics Inc.

Inventor： KIM, Ji Hoon ,  LEE, JungHoon ,  MOON, Chan Woo ,  KIM, Youngmin

IPC: D06F58/26 ,  D06F58/38 ,  D06F58/02 ,  D06F103/02 ,  D06F103/32 ,  D06F103/44 ,  D06F103/52 ,  D06F105/28 ,  D06F105/48 ,  D06F105/52

Abstract: The present invention relates to a laundry drying machine and a control method of the laundry drying machine, and includes a cabinet, a drum that is rotatably installed in the cabinet to accommodate a subject to be dried, and an electric field generator that is spaced apart from the drum and generates an electric field inside the drum when power is applied. The electric field generator includes an anode electrode that is spaced apart from the drum, fixed to the cabinet, and applies the electric field to the subject to be dried accommodated in the drum, a power supply unit that supplies the power to the anode electrode, and a matcher that is provided in the cabinet and matches source impedance of the power and an impedance of a load side. When the reflectivity of the electric field exceeds a predetermined ratio, the rotation speed of the drum is reduced to lower the reflectivity of the electric field, and thus, there is an effect of preventing damage to equipment such as the matcher due to the reflected wave.