Clothes treating apparatus

Patent metadata

Field	Value
Publication number	US-11939716-B2
Application number	US-202117143763-A
Country	US
Kind code	B2
Filing date	Jan 7, 2021
Priority date	Jan 7, 2020
Publication date	Mar 26, 2024
Grant date	Mar 26, 2024

Abstract

Disclosed is a clothes treating apparatus including a drum configured to receive laundry, a tub in which the drum is built, a main body in which the drum and the tub are disposed, detergent drawer compartments provided in the main body to be withdrawn from or inserted in the main body, a spray nozzle configured to spray washing water to the detergent drawer compartments, a water-collecting container disposed below the tub to receive the washing water, a washing line configured to supply the washing water of the water-collecting container to the spray nozzle, a circulation line configured to supply the washing water of the water-collecting container into the drum, and a flow-path conversion pump configured to receive the washing water from the water-collecting container and supply the washing water selectively to the washing line or the circulation line.

First claim

What is claimed is:

1. A clothes treating apparatus comprising:
a drum configured to receive laundry;
a tub that accommodates the drum;
a main body that accommodates the tub;
a detergent drawer configured to be withdrawn from and inserted into the main body;
a spray nozzle configured to spray washing water to the detergent drawer;
a water-collecting container formed in a bottom portion of the tub and configured to receive the washing water;
a washing line configured to supply the washing water from the water-collecting container to the spray nozzle;
a circulation line configured to supply the washing water from the water-collecting container to the drum; and
a flow-path conversion pump configured to receive the washing water from the water-collecting container and to supply the washing water selectively to the washing line or the circulation line,
wherein the flow-path conversion pump comprises:
an impeller,
a motor connected to the impeller and configured to transmit power to the impeller,
an impeller housing that accommodates the impeller and is configured to receive the washing water from the water-collecting container, the impeller housing defining a first housing outlet and a second housing outlet that extend parallel to a tangential direction of rotation of the impeller,
a flow-path switch that defines an internal space, the flow-path switch comprising (i) a first inlet configured to communicate with the first housing outlet, (ii) a second inlet configured to communicate with the second housing outlet, (iii) a first outlet configured to communicate with the first inlet and connected to the washing line, and (iv) a second outlet configured to communicate with the second inlet and connected to the circulation line, and
a diaphragm that is disposed in the internal space of the flow-path switch, that separates the first inlet and the second inlet from each other, and that separates the first outlet and the second outlet from each other,

wherein the diaphragm is made of an elastic material, has a shape in which a central portion of a circular plate protrudes to have a curvature, and is pre-formed to maintain the protruding shape of the central portion,
wherein a protruding direction of the central portion of the diaphragm is configured to be changed by 180 degrees (°) based on an external force, and the changed protruding direction of the central portion of the diaphragm is configured to be maintained based on the external force being eliminated, and
wherein the diaphragm is configured to respectively open and close flow paths of the washing water in the flow-path switch based on the protruding direction of the diaphragm being changed.

2. The clothes treating apparatus of claim 1 , wherein the detergent drawer comprises a first detergent compartment and a second detergent compartment, and
wherein the spray nozzle comprises a first spray nozzle configured to spray the washing water to the first detergent compartment, and a second spray nozzle configured to spray the washing water to the second detergent compartment.

3. The clothes treating apparatus of claim 1 , wherein when viewed from a first direction, a width of the flow-path switch decreases along a second direction from a first portion to a central portion, and increases from the central portion to a second portion away from the central portion, the central portion being disposed between the first portion and the second portion in the second direction, and
when viewed from a third direction perpendicular to the first direction and the second direction, the flow-path switch is in a circular shape.

4. The clothes treating apparatus of claim 3 , wherein a sealing line protruding toward the internal space as a band is formed in an inner surface of the central portion of the flow-path switch.

5. The clothes treating apparatus of claim 1 , wherein the flow-path switch comprises a pair of parts that are coupled to each other to define the internal space, and
wherein an outer portion of the diaphragm is coupled between the pair of parts of the flow-path switch.

6. The clothes treating apparatus of claim 5 , wherein the outer portion of the diaphragm overlaps with the pair of parts of the flow-path switch and defines a closed curve.

7. The clothes treating apparatus of claim 1 , wherein the diaphragm extends from an outermost portion to the central portion, and defines one or more curvatures.

8. The clothes treating apparatus of claim 7 , wherein the diaphragm comprises a coupling portion disposed at the outermost portion, and
wherein a thickness of the coupling portion is greater than a thickness of other portions of the diaphragm.

9. The clothes treating apparatus of claim 8 , wherein the diaphragm is configured to:
based on bending in a first direction, close the first housing outlet, the first inlet, and the first outlet; and
based on bending in a second direction opposite to the first direction, close the second housing outlet, the second inlet, and the second outlet.

10. The clothes treating apparatus of claim 8 , wherein the diaphragm comprises a bent portion disposed adjacent to the outermost portion, and
wherein a thickness of the bent portion is less than the thickness of the other portions of the diaphragm.

11. The clothes treating apparatus of claim 1 , wherein when the motor rotates the impeller in a clockwise direction, the diaphragm protrudes in a direction in which the diaphragm blocks the second housing outlet, the second inlet, and the second outlet by a water flow leading to the first housing outlet, the first inlet, and the first outlet.

12. The clothes treating apparatus of claim 1 , wherein when the motor rotates the impeller in a counterclockwise direction, the diaphragm protrudes in a direction in which the diaphragm blocks the first housing outlet, the first inlet, and the first outlet by a water flow leading to the second housing outlet, the second inlet, and the second outlet.

13. The clothes treating apparatus of claim 1 , wherein the flow paths in the flow-path switch include:
a first flow path defined between the first inlet and the first outlet; and
a second flow path defined between the second inlet and the second outlet,
wherein the diaphragm is configured to:
open the first flow path and close the second flow paths based on the protruding direction of the diaphragm being changed to the second flow path, and
close the first flow path and open the second flow paths based on the protruding direction of the diaphragm being changed to the first flow path.

14. The clothes treating apparatus of claim 1 , wherein the diaphragm is disposed between the first inlet and the second inlet and between the first outlet and the second outlet such that the diaphragm partitions (i) a first side of the internal space of the flow-path switch into the first inlet and the second inlet and (ii) a second side of the internal space of the flow-path switch into the first outlet and the second outlet.

Assignees

• Lg Electronics Inc

Inventors

• Ban Seokhyun
• Lee Taehee
• Pyo Joonho
• Jung Dohyun

Classifications

• D06F39/088 Primary

  Liquid supply arrangements · CPC title

• D06F39/028

  Arrangements for selectively supplying water to detergent compartments · CPC title

• D06F39/085 Primary

  Arrangements or adaptations of pumps · CPC title

• D06F39/083

  Liquid discharge or recirculation arrangements · CPC title

• F04D29/4293

  Details of fluid inlet or outlet · CPC title