Laundry treating apparatus

Patent metadata

Field	Value
Publication number	US-10753028-B2
Application number	US-201615740926-A
Country	US
Kind code	B2
Filing date	Jun 29, 2016
Priority date	Jun 30, 2015
Publication date	Aug 25, 2020
Grant date	Aug 25, 2020

Abstract

A laundry treating apparatus is disclosed, which is provided with a first treating apparatus washing laundry, a second treating apparatus arranged at a side of the first treating apparatus, washing laundry, and a third treating apparatus provided to be mounted on the second treating apparatus, drying laundry.

First claim

The invention claimed is:

1. A laundry treating apparatus comprising:
a first washing apparatus, the first washing apparatus including:
a first cabinet that has a first inlet on an upper surface of the first cabinet;
a first tub located inside of the first cabinet and configured to store water therein; and
a first drum that is located within the first tub, that is configured to receive laundry supplied through the first inlet, and that is configured to rotate within the first tub;

a second washing apparatus, the second washing apparatus including:
a second cabinet arranged at a side of the first cabinet;
a drawer that is located in the second cabinet and that is configured to be drawn into and out of the second cabinet;
a second tub located inside of the drawer and configured to store water therein;
a second inlet located on an upper surface of the second tub; and
a second drum that is located within the second tub, that is configured to receive laundry supplied through the second inlet, and that is configured to rotate within the second tub, and

a drying apparatus, the drying apparatus including:
a third cabinet that has a third inlet on a front surface of the third cabinet, the third cabinet being mounted on an upper surface of the second cabinet and arranged at a side of the first cabinet;
a third drum that is located inside of the third cabinet and that is configured to receive laundry supplied through the third inlet; and
a drying unit configured to supply air to the third drum,

wherein the second washing apparatus includes a connector comprising:
a pressurizer located on an upper surface of the second cabinet, wherein the drying apparatus is configured to pressurize and change position of the pressurizer; and
a switching unit configured to, based on the position of the pressurizer, open or close a circuit that supplies power to the second washing apparatus.

2. The laundry treating apparatus according to claim 1 , wherein the second drum is configured to rotate around a shaft orthogonal to a bottom of the second cabinet, and the third drum is configured to rotate around a shaft parallel with a bottom of the third cabinet.

3. The laundry treating apparatus according to claim 1 , wherein the second washing apparatus further includes:
a second driving unit configured to rotate the second drum; and
a second controller configured to control the second driving unit;
wherein the connector is configured to allow the second controller to control an operation of the second driving unit based on the drying apparatus being mounted on an upper surface of the second washing apparatus.

4. The laundry treating apparatus according to claim 3 , wherein the connector is configured to open or close a circuit, which supplies power to the second driving unit, depending on whether the third cabinet is arranged on the second cabinet.

5. The laundry treating apparatus according to claim 4 , further comprising:
a first connector located on a bottom of the third cabinet; and
a second connector located on an upper surface of the second cabinet and configured to connect to or detach from the first connector,
wherein the first connector is configured to pressurize the pressurizer.

6. The laundry treating apparatus according to claim 1 , further comprising:
a second power line configured to supply power to the second washing apparatus;
a third power line configured to supply power to the drying apparatus; and
a power controller configured to interrupt power supply to the second power line based on a per-hour current amount supplied to the third power line being a predetermined reference current amount or more.

7. The laundry treating apparatus according to claim 1 , further comprising:
a second power line configured to supply power to the second washing apparatus;
a third power line configured to supply power to the drying apparatus; and
a power controller configured to transmit, to the second washing apparatus, information that a per-hour current amount supplied to the third power line is a predetermined reference current amount or more based on the per-hour current amount supplied to the third power line being the predetermined reference current amount or more.

8. The laundry treating apparatus according to claim 6 , wherein the drying unit includes a heat exchanger and a fan configured to supply heated air to the third drum, and the reference current amount is set to a value less than a per-hour current amount required for the operation of the heat exchanger and the fan.

9. The laundry treating apparatus according to claim 7 , further comprising a second controller configured to supply power to the second washing apparatus and configured to temporarily interrupt operation of the second washing apparatus based on the per-hour current amount supplied to the third power line being the reference current amount or more.

10. The laundry treating apparatus according to claim 9 , wherein the second controller is configured to perform wired or wireless communication with the power controller.

11. A laundry treating apparatus comprising:
a first washing apparatus, the first washing apparatus including:
a first cabinet that has a first inlet on an upper surface of the first cabinet;
a first tub located inside of the first cabinet and configured to store water therein; and
a first drum that is located within the first tub, that is configured to receive laundry supplied through the first inlet, and that is configured to rotate within the first tub;

a second washing apparatus, the second washing apparatus including:
a second cabinet arranged at a side of the first cabinet;
a drawer that is located in the second cabinet and that is configured to be drawn into and out of the second cabinet;
a second tub located inside of the drawer and configured to store water therein;
a second inlet located on an upper surface of the second tub;
a second drum that is located within the second tub, that is configured to receive laundry supplied through the second inlet, and that is configured to rotate within the second tub;
a second driving unit configured to rotate the second drum; and
a second controller configured to control the second driving unit, and

a drying apparatus, the drying apparatus including:
a third cabinet that has a third inlet on a front surface of the third cabinet, the third cabinet being mounted on an upper surface of the second cabinet and arranged at a side of the first cabinet;
a third drum that is located inside of the third cabinet and that is configured to receive laundry supplied through the third inlet; and
a drying unit configured to supply air to the third drum,

wherein the second washing apparatus includes a connector comprising:
a pressurizer located on an upper surface of the second cabinet, wherein the drying apparatus is configured to pressurize and change position of the pressurizer; and
a switching unit configured to, based on the position of the pressurizer, open or close a circuit that connects the second controller with the second driving unit.

12. The laundry treating apparatus according to claim 1 , wherein an entirety of the first inlet is located at a level between a lowest end of the third inlet and an uppermost end of the third inlet.

13. The laundry treating apparatus according to claim 1 , wherein more than half of the first inlet is located at a level between a lowest end of the third inlet and an uppermost end of the third inlet.

Assignees

• Lg Electronics Inc

Inventors

• Choi Heechul
• Park Dongwoo
• Yoon Juhan

Classifications

• D06F39/20

  Arrangements for water recovery · CPC title

• D06F25/00

  Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air  (control of washing or of washing and drying D06F33/00, D06F34/00; domestic laundry dryers D06F58/00) · CPC title

• D06F33/30

  Control of washing machines characterised by the purpose or target of the control  (controlling processes of washer-dryers D06F33/50) · CPC title

• D06F34/20

  Parameters relating to constructional components, e.g. door sensors · CPC title

• D06F34/10

  Power supply arrangements, e.g. stand-by circuits · CPC title