Source: https://patents.google.com/patent/US7565822
Timestamp: 2018-04-19 23:33:14
Document Index: 238304418

Matched Legal Cases: ['art 430', 'art 420', 'art 430', 'art 430', 'art 430', 'art 430']

US7565822B2 - Washing machine using steam and method for controlling the same - Google Patents
Washing machine using steam and method for controlling the same Download PDF
US7565822B2
US7565822B2 US11978681 US97868107A US7565822B2 US 7565822 B2 US7565822 B2 US 7565822B2 US 11978681 US11978681 US 11978681 US 97868107 A US97868107 A US 97868107A US 7565822 B2 US7565822 B2 US 7565822B2
US11978681
US20080120787A1 (en )
Seog Kyu Park
A washing machine using steam and a method for controlling the same is disclosed. The washing machine with a steam generator (100) selectively supplying steam into a drum (30) according to the present invention includes a course select part (420) for a user to select a wash course, a steam select part (430) for a user to select whether steam washing is operated and a controller (440) for controlling the steam generator (100) based on a wash course selected from the course select part (420) (an inputted wash course) and a signal selected from the steam select part (430). The present invention has an advantageous effect that convenience is improved for a user to use the washing machine using steam as well as washing performance is improved, because disadvantages due to malfunctions of a steam generator are prevented.
This application is a divisional of application Ser. No. 11/628,192, filed Oct. 3, 2007, which claims the benefit of PCT/KR2006/000890, filed on Mar. 13, 2006, and claims priority to Korean Patent Application Nos. 10-2005-0021796, 10-2005-0021797 each filed on Mar. 16, 2005, and 10-2005-0035031, 10-2005-0035044 each filed on Apr. 27, 2005, all of which hereby incorporated herein by reference in their entireties.
In a further aspect of the present invention, provided herein is a method for controlling a washing machine with a steam generator selectively supplying steam into a drum comprising steps of inputting a selected wash course; and alerting a user whether a steam wash course is selectable if the inputted wash course is a predetermined wash course capable of using steam (a steam wash course). Here, a step of receiving a steam wash command made by a user only in case that the inputted wash course is one of the steam wash courses is further included. Also, preferably, a step of notifying a user that a steam wash is not a selectable, when a steam wash command is inputted in case that the inputted wash course is not a steam wash course is further included.
Preferably, when steam is supplied into the drum, the drum is tumbled. The tumbling means that the drum is rotated at a lower speed such that the laundry is not attached to an inner wall of the drum by centrifugal force. That is, the rotation speed for the tumbling is more than 1 G (acceleration of gravity). The drum could be rotated in a clockwise/counter-clockwise direction. On the other hand, it is preferable to alternatively rotate the drum at a high speed of more than 1 G and tumble the drum during the general washing courses.
Thus, according to the present invention, the controller 440 controls the steam generator 100 to generate steam, only in case that the inputted wash course is a predetermined wash course as a wash course using steam (hereinafter, a steam wash course).
The controller 440 of the control assembly 400 controls the operations of heater 110 as well as of each water supply valve 310 and 320 based on signals received from the steam select part 430. Alternatively, as described above, the controller 440 can read an inputted wash course selected by the course select part 420, and also controls the steam wash select displayer 450 to be activated in case that the read wash course is a predetermined steam wash course. Although the steam select part 430 is selected, the steam generator 100 is controlled not to be operated in case that an inputted wash course is a course where it is impossible to control the steam generator 100 as predetermined.
On the other hand, in case that the inputted wash course is not a steam wash course, a lamp 450 does not turn on and a user is not requested to select the steam select part 430 (S180). Nevertheless, a user may select the steam select part 430. However, according to the present invention, a signal that the steam select part is selected by the user is substantially not considered when the inputted wash course is not a steam wash course. Here, preferably, a user is alerted that selecting the steam select part 430 is not appropriate. For example, an error message is displayed or a beep, sounds (or a voice message).
a control assembly;
a course selector allowing a user to select a course from a plurality of courses;
a steam selector disposed on the control assembly separate from the course selector and allowing a user to select to use steam together with a selected course, wherein the steam selector allows the user to select to use steam when the selected course is a course that does permit the use of steam and the steam selector does not allow the user to select to use steam when the selected course is a course that does not permit the use of steam; and
a controller to control a steam generator for the selected course when steam is selected to be used through the steam selector.
2. The laundry machine of claim 1, wherein the selection of using steam via the steam selector is allowed where the selected course is a predetermined course among the plurality of courses.
3. The laundry machine of claim 2, wherein the selection of using steam via the steam selector is allowed when the selected course is the predetermined course.
4. The laundry machine of claim 3, wherein the controller is enabled to receive a signal from the steam selector when the selected course is the predetermined course.
5. The laundry machine of claim 3, wherein the steam selector is enabled to send a signal to the controller when the selected course is the predetermined course.
6. The laundry machine of claim 2, further comprising a first indicator to indicate that the selection of using steam is allowed for the predetermined course.
7. The laundry machine of claim 6, wherein the first indicator indicates that the selection of using steam is allowed after the predetermined course has been selected.
8. The laundry machine of claim 6, wherein the first indicator includes a lamp or a light emitting device (LED).
9. The laundry machine of claim 6, wherein the first indicator is part of the steam selector.
10. The laundry machine of claim 6, wherein the first indicator surrounds the steam selector.
11. The laundry machine of claim 2, further comprising a display to indicate that the steam is being used during operation of the predetermined course.
12. The laundry machine of claim 11, wherein the display is located at the control assembly.
13. The laundry machine of claim 2, wherein the predetermined course includes at least one of a standard course, a tub/drum wash course, and a freshen-up course.
14. The laundry machine of claim 2, further comprising a second indicator to indicate which course among the plurality of courses allows steam to be used.
15. The laundry machine of claim 14, wherein the second indicator includes at least one of an LCD, a light emitting diode (LED), a lamp, and a print.
16. The laundry machine of claim 1, wherein the course selector includes a rotation knob.
17. The laundry machine of claim 1, wherein the steam selector includes a button.
18. The laundry machine of claim 1, wherein the controller does not respond to a signal from the steam selector when the selected course is a course that does not permit the use of steam.
19. The laundry machine of claim 1, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
a steam selector disposed on the control assembly separate from the course selector and allowing a user to select to use steam together with a selected course, wherein the steam selector can be enabled when the selected course is a predetermined course among the plurality of courses that permit the use of steam and the steam selector cannot be enabled when the selected course is a course that does not permit the use of steam; and
a controller to control introduction of steam for the selected course when steam is selected to be used via the steam selector.
21. The laundry machine of claim 20, wherein the controller is enabled to receive a signal from the steam selector when the selected course is the predetermined course.
22. The laundry machine of claim 20, wherein the steam selector is enabled to send a signal to the controller when the selected course is the predetermined course.
23. The laundry machine of claim 20, further comprising a display to indicate whether the steam is being used during operation of the selected course.
24. The laundry machine of claim 20, further comprising a first indicator disposed on the control assembly to alert the user when steam may be used with the selected course.
25. The laundry machine of claim 24, wherein the first indicator includes a lamp or a light emitting device (LED).
26. The laundry machine of claim 24, wherein the first indicator is part of the steam selector.
27. The laundry machine of claim 24, wherein the first indicator surrounds the steam selector.
28. The laundry machine of claim 20, wherein the predetermined course includes at least one of a standard course, a tub/drum wash course, and a freshen-up course.
29. The laundry machine of claim 20, further comprising a second indicator to indicate which course among a plurality of courses allows steam to be used.
30. The laundry machine of claim 29, wherein the second indicator includes at least one of an LCD, a light emitting diode (LED), a lamp, and a print.
31. The laundry machine of claim 20, wherein the course selector is a rotation knob.
32. The laundry machine of claim 20, wherein the steam selector is a button.
33. The laundry machine of claim 20, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
34. A laundry machine comprising:
a cabinet having a tub or drum to wash laundry therein, and a steam generator to supply steam to the laundry disposed in the tub or drum;
a control assembly disposed on an outer surface of the cabinet providing a control interface for a user;
a course selector disposed on the control assembly to allow the user to select a course from a plurality of courses, the course selector comprising a dial;
a steam selector disposed on the control assembly separate from the course selector and allowing the user to select to use steam with the selected course;
a first indicator disposed on the control assembly to alert the user when steam can be used with the selected course; and
a controller to receive a signal sent by the steam selector and to control introduction of steam to the laundry during the selected course based on the signal, wherein the steam selector includes a push button and sends the signal based on an input received by the push button.
35. The laundry machine of claim 34, wherein the controller is enabled to receive a signal from the steam selector when the selected course is a predetermined course of the plurality of courses.
36. The laundry machine of claim 35, wherein the predetermined course includes at least one of a standard course, a tub/drum wash course, and a freshen-up course.
37. The laundry machine of claim 34, wherein the steam selector is enabled to send a signal to the controller when the selected course is the predetermined course.
38. The laundry machine of claim 34, wherein the steam selector is prevented from sending a signal to the controller when the selected course is a course that does not permit the use of steam.
39. The laundry machine of claim 34, further comprising a display to indicate whether the steam is being used during operation of the selected course.
40. The laundry machine of claim 34, wherein the first indicator includes a lamp or a light emitting device (LED).
41. The laundry machine of claim 40, wherein the first indicator is part of the steam selector.
42. The laundry machine of claim 40, wherein the first indicator surrounds the steam selector.
43. The laundry machine of claim 34, further comprising a second indicator to indicate which course among a plurality of courses allows steam to be used.
44. The laundry machine of claim 43, wherein the second indicator includes at least one of an LCD, a light emitting diode (LED), a lamp, and a print.
45. The laundry machine of claim 34, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
46. A laundry machine comprising:
a steam selector disposed on the control assembly separate from the course selector and allowing a user to select to use steam together with the selected course; and
a controller to control whether or not steam is introduced for the selected course based on the signal sent from the steam selector,
wherein the plurality of courses include courses that can receive steam and courses that cannot receive steam, and
wherein the selected course is a course that can receive steam and activating the steam selector sends a signal to add steam during the selected course, and not activating the steam selector prevents steam during the selected course even where the selected course is a course that can receive steam.
47. The laundry machine of claim 46, wherein the controller is enabled to receive a signal from the steam selector when the selected course is a predetermined course of the plurality of courses.
48. The laundry machine of claim 47, wherein the predetermined course includes at least one of a standard course, a tub/drum wash course, and a freshen-up course.
49. The laundry machine of claim 46, wherein the steam selector is enabled to send a signal to the controller when the selected course is the predetermined course.
50. The laundry machine of claim 46, wherein the steam selector is prevented from sending a signal to the controller when the selected course is a course that does not permit the use of steam.
51. The laundry machine of claim 46, further comprising a display to indicate whether the steam is being used during operation of the selected course.
52. The laundry machine of claim 46, further comprising a first indicator disposed on the control assembly to alert the user when steam may be used with the selected course.
53. The laundry machine of claim 52, wherein the first indicator includes a lamp or a light emitting device (LED).
54. The laundry machine of claim 52, wherein the first indicator is part of the steam selector.
55. The laundry machine of claim 52, wherein the first indicator surrounds the steam selector.
56. The laundry machine of claim 46, further comprising a second indicator to indicate which course among a plurality of courses allows steam to be used.
57. The laundry machine of claim 56, wherein the second indicator includes at least one of an LCD, a light emitting diode (LED), a lamp, and a print.
58. The laundry machine of claim 46, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
59. A laundry machine comprising:
a steam selector disposed on the control assembly separate from the course selector and allowing the user to select to use steam together with a selected course;
a steam adjuster, disposed on the control assembly separate from the course selector and the steam selector, the steam adjuster sending a signal to adjust at least one factor associated with steam, the signal corresponding to the at least one factor associated with the steam as desired by the user; and
a controller to control the introduction of steam based on a signal sent from the steam selector, and when steam is selected at the steam selector the controller to control adjustment of the at least one factor associated with the steam based on the signal sent from the steam adjuster and the steam adjuster is not operable during at least one wash course selectable via the course selector.
60. The laundry machine according to claim 59, wherein the controller controls adjustment of at least one of a steam starting time, an amount of steam, a degree of steam injection, and a steam generation time.
61. The laundry machine according to claim 59, wherein the steam adjustor allows a user to select at least one of an economical steam, a speedy steam, a turbo steam, and a small amount of steam.
62. The laundry machine according to claim 59, further comprising a steam generator to generate steam, wherein the controller controls the steam generator until a tub or drum reaches a predetermined temperature based on an input by the user.
63. The laundry machine according to claim 59, further comprising a steam generator to generate steam, wherein the controller controls the steam generator to generate steam for a predetermined amount of time based on an input by the user.
64. The laundry machine according to claim 59, wherein the steam adjuster is operable during one of a standard course, a tub/drum wash course, a sanitary course, and a freshen-up course.
65. The laundry machine according to claim 59, further comprising an first indicator to indicate to the user the at least one factor associated with steam that is adjusted via the steam adjustor.
66. The laundry machine according to claim 59, further comprising an third indicator disposed on the control assembly to alert the user when steam may be used with the selected course.
67. The laundry machine according to claim 66, wherein the third indicator is part of the steam selector.
68. The laundry machine of claim 66, wherein the third indicator surrounds the steam selector.
69. The laundry machine of claim 59, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
70. A laundry machine comprising:
a steam selector disposed on the control assembly separate from the course selector and allowing the user to select to use steam with the selected course; and
71. The laundry machine of claim 70, wherein the controller does not respond to a signal of from the steam selector when the selected course is a course that does not permit the use of steam.
72. The laundry machine of 70, further comprising a display to indicate whether the steam is being used during operation of the selected course.
73. The laundry machine of claim 70, further comprising a first indicator disposed on the control assembly to alert the user when steam can be used with the selected course.
74. The laundry machine of claim 73, wherein the first indicator includes a lamp or a light emitting device (LED).
75. The laundry machine of claim 73, wherein the first indicator is part of the steam selector.
76. The laundry machine of claim 73, wherein the first indicator surrounds the steam selector.
77. The laundry machine of claim 70, wherein the selected course is at least one of a standard course, a tub/drum wash course, and a freshen-up course.
78. The laundry machine of claim 70, further comprising a second indicator to indicate which course among a plurality of courses allows steam to be used.
79. The laundry machine of claim 78, wherein the second indicator includes at least one of an LCD, a light emitting diode (LED), a lamp, and a print.
80. The laundry machine of claim 70, wherein the controller causes an alarm to sound when the steam selector is used to select steam when the selected course is a course that does not permit the use of steam.
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US7565822B2 true US7565822B2 (en) 2009-07-28
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US11978681 Active US7565822B2 (en) 2005-03-16 2007-10-30 Washing machine using steam and method for controlling the same
US12458244 Active US7797969B2 (en) 2005-03-16 2009-07-06 Washing machine using steam and method for controlling the same
US12461734 Active US7946140B2 (en) 2005-03-16 2009-08-21 Washing machine using steam and method for controlling the same
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