Laundry treating apparatus having a detergent supply module

• US 9,217,218 B2
• Filed: 09/10/2013
• Issued: 12/22/2015
• Est. Priority Date: 09/17/2012
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Naeun, Chae, Kyosoon, Kim, Dongwon, Jo, Mingyu
• Primary Examiner(s): Barr, Michael
• Assistant Examiner(s): ADHLAKHA, RITA P
• Application Number:
  US14/022,583
• Publication Number:
  US 20140075684A1
• Time in Patent Office: 833 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: D06F 39/02 Devices for adding soap or other washing agents
• CPC Class Codes: D06F 39/022 in a liquid state D06F39/024 takes precedence
• CPC Class Codes: D06F 39/028 Arrangements for selectively supplying water to detergent compartments
• CPC Class Codes: D06F 39/083 Liquid discharge or recirculation arrangements
• CPC Class Codes: D06F 39/085 Arrangements or adaptations of pumps
• CPC Class Codes: D06F 39/088 Liquid supply arrangements
• CPC Class Codes: D06F 39/10 Filtering arrangements
• CPC Class Codes: D06F 39/14 Doors or covers; Securing means therefor

Abstract

A laundry treating apparatus is provided that may include a cabinet provided with an introduction port for introduction of laundry, a tub arranged in the cabinet to store washing water and provided with a tub introduction port that communicates with the introduction port, a drum rotatably provided in the tub and adapted to accommodate the laundry introduced through the tub introduction port, a detergent supply module positioned at a lower portion of the introduction port to store a liquid detergent and to provide the stored liquid detergent to the tub, and a water supply device to supply washing water to the tub and to rinse the detergent supply module using the washing water supplied to the tub.

Claims

1. A laundry treating apparatus, comprising:

a cabinet provided with an introduction port for introduction of laundry;

a tub arranged in the cabinet to store washing water and provided with a tub introduction port that communicates with the introduction port;

a drum rotatably provided in the tub and adapted to accommodate the laundry introduced through the tub introduction port;

a first detergent supply module positioned below a lower portion of the introduction port to store a first detergent and to provide the stored first detergent to the tub; and

a water supply device to supply the washing water to the tub and to rinse the first detergent supply module using the washing water supplied to the tub, wherein the first detergent supply module comprises;

at least one container positioned below the lower portion of the introduction port to store the first detergent;

at least one detergent supply conduit that allows the at least one container to communicate with the tub therethrough; and

at least one detergent pump provided in the at least one detergent supply conduit to move the first detergent stored in the at least one container to the tub, and wherein the water supply device is connected to a point on the at least one detergent supply conduit located between the at least one detergent pump and the tub.

2. The laundry treating apparatus according to claim 1, wherein the first detergent comprises a liquid detergent.

3. The laundry treating apparatus according to claim 1, further comprising a second detergent storage module arranged above an upper portion of the introduction port to store a second detergent and communicate with the tub and the water supply device.

4. The laundry treating apparatus according to claim 3, wherein the water supply device comprises:

a first water supply channel to supply the washing water to the second detergent storage module; and

a second water supply channel to supply the washing water to the at least one detergent supply conduit.

5. The laundry treating apparatus according to claim 4, further comprising at least one branch conduit that communicates the at least one detergent supply conduit with an exterior of the cabinet.

6. The laundry treating apparatus according to claim 4, wherein the second water supply channel allows the washing water to be supplied therethuough to a detergent supply line positioned between the at least one detergent pump and the second detergent storage module.

7. The laundry treating apparatus according to claim 1, wherein the at least one container comprises a plurality of containers configured to store different types of first detergent.

8. The laundry treating apparatus according to claim 1, wherein the cabinet comprises a front panel that extends at an angle with respect to a central longitudinal axis of the cabinet, the introduction port being disposed within the front panel.

9. The laundry treating apparatus according to claim 1, wherein the first detergent supply module is positioned under the laundry introduction port adjacent to a periphery of the laundry introduction port.

10. The laundry treating apparatus according to claim 1, wherein the first detergent supply module is detachably provided to the cabinet.

11. The laundry treating apparatus according to claim 1, wherein the first detergent supply module comprises:

an accommodation frame provided to the cabinet; and

the at least one container detachably provided to the accommodation frame, wherein the at least one container discharges the first detergent to the accommodation frame.

12. The laundry treating apparatus according to claim 11, wherein the at least one container comprises a detergent discharge conduit to discharge the detergent stored in the at least one container to the accommodation frame when inserted into the accommodation frame, wherein the detergent discharge conduit is provided to a bottom surface of the at least one container, and wherein the detergent discharge conduit discharges the detergent from the at least one container to the accommodation frame when the detergent discharge conduit is pressed by the accommodation frame.

13. The laundry treating apparatus according to claim 12, wherein the at least one detergent pump is fared to an exterior of the accommodation frame.

14. The laundry treating apparatus according to claim 12, further comprising a pump connection conduit provided to connect the accommodation frame with the at least one detergent pump to guide the first detergent from an interior of the accommodation frame to the at least one detergent pump, first wherein the detergent discharged from the at least one detergent pump is supplied to the tub through the at least one detergent supply conduit.

15. The laundry treating apparatus according to claim 14, wherein the at least one detergent pump is provided in a space defined between the tub and a bottom surface of the cabinet, and wherein, when the at least one container is inserted into the accommodation frame, the at least one detergent pump is arranged at a lower position than the detergent discharge conduit.

16. The laundry treating apparatus according to claim 11, further comprising a module door to withdraw the at least one container from the cabinet, wherein the module door is positioned at a lower portion of a door configured to open the introduction port.

17. The laundry treating apparatus according to claim 16, wherein, when the at least one container is exposed to an outside of the cabinet, the accommodation frame is exposed to the outside of the cabinet.

18. The laundry treating apparatus according to claim 11, further comprising:

a first drainage channel to discharge washing water from an interior of the tub;

a communication hole provided at a front surface of the cabinet;

a filter provided to the first drainage channel to filter the washing water discharged from the tub, wherein the filter is withdrawable from the first drainage channel through the communication hole.

19. The laundry treating apparatus according to claim 11, wherein the at least one container is inserted into the accommodation frame through an open upper surface of the accommodation frame.

20. The laundry treating apparatus according to claim 11, wherein at least one region of the at least one container is formed of a transparent material.

21. The laundry treating apparatus according to claim 11, wherein the at least one container further comprises a lid for detergent supply.

22. The laundry treating apparatus according to claim 11, wherein the at least one container further comprises a first container and a second container;

wherein the first container and the second container are configured to store different kinds of detergents;

wherein the accommodation frame further comprises a first pump connection conduit and a second pump connection conduit;

wherein a detergent discharged from the first container is introduced into the first pump connection conduit and a detergent discharged from the second container is introduced into the second pump connection conduit;

wherein the at least one detergent pump comprises a first detergent pump connected to the first pump connection conduit and a second detergent pump connected to the second pump connection conduit; and

wherein the at least one detergent supply conduit comprises a first detergent supply conduit to guide the detergent discharged from the first detergent pump to the tub and a second detergent supply conduit to guide the detergent discharged from the second detergent pump to the tub.

23. The laundry treating apparatus according to claim 1, wherein the first detergent supply module is provided in a space defined between a door of the laundry treating apparatus and the tub.