Laundry treating apparatus

Patent metadata

Field	Value
Publication number	US-2025354313-A1
Application number	US-202519284128-A
Country	US
Kind code	A1
Filing date	Jul 29, 2025
Priority date	May 28, 2021
Publication date	Nov 20, 2025
Grant date	—

Abstract

A laundry treating apparatus including a dryer including a first cabinet, and a first drum rotatably disposed in the first cabinet, a washing machine including a second cabinet disposed under the first cabinet, a tub disposed in the second cabinet, and a second drum rotatably disposed in the tub, a refresher disposed at a lateral side of the first cabinet and the second cabinet, the refresher having an inner space for receiving laundry, a heating device disposed under the tub, the heating device being configured to heat air supplied into the inner space of the refresher, and a drain pump for discharging water in the tub, wherein the heating device includes a heat exchange unit, and wherein the drain pump is disposed below the tub and is disposed in the heating device.

First claim

What is claimed is:

1 . A laundry treating apparatus comprising:
a dryer including:
a first cabinet; and
a first drum rotatably disposed in the first cabinet;
a washing machine including:
a second cabinet disposed under the first cabinet;
a tub disposed in the second cabinet; and
a second drum rotatably disposed in the tub;
a refresher disposed at a lateral side of the first cabinet and the second cabinet, the refresher having an inner space for receiving laundry; a heating device disposed under the tub, the heating device being configured to heat air supplied into the inner space of the refresher; and a drain pump for discharging water in the tub, wherein the heating device includes a heat exchange unit, and wherein the drain pump is disposed below the tub and is disposed in the heating device.

2 . The laundry treating apparatus of claim 1 , further comprising a drain pan for storing condensate, the drain pan disposed under the heat exchange unit.

3 . The laundry treating apparatus of claim 2 , further comprising a first drain pipe connecting the drain pan and the drain pump.

4 . The laundry treating apparatus of claim 2 , wherein the drain pump discharge water which is stored in the tub and the drain pan respectively.

5 . The laundry treating apparatus of claim 2 , further comprising:
a first pipe connecting the tub and the drain pump; a first drain pipe connecting the drain pan and the drain pump; and a second pipe extending from the drain pump to an outside of the laundry treating apparatus.

6 . The laundry treating apparatus of claim 1 , wherein the washing machine further includes a partition wall disposed under the tub in the second cabinet, and
wherein the heating device and the drain pump are disposed under the partition wall in the second cabinet.

7 . The laundry treating apparatus of claim 1 , wherein the heating device further includes:
a heat exchange channel in which the heat exchange unit is disposed; and a cover disposed over the heat exchange channel, the cover having a shielding wall extending downwardly, and wherein the shielding wall separates a first space, in which the drain pump is disposed, from a second space in which the heat exchange channel is disposed.

8 . The laundry treating apparatus of claim 1 , further comprising:
a first supply air duct extending upwardly from the heating device and connected to the first drum; a second supply air duct extending laterally from the heating device and connected to the refresher; and a third supply air duct extending upwardly from the heating device and connected to the tub.

Assignees

• Lg Electronics Inc

Inventors

• Lee Yunhi
• Kim Jaehyun
• Yoo Hyunsun

Classifications

• D06F2105/26

  Heat pumps · CPC title

• D06F2103/32

  Temperature · CPC title

• D06F2105/20

  Temperature · CPC title

• D06F2103/50

  related to heat pumps, e.g. pressure or flow rate · CPC title

• D06F33/32

  Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry · CPC title