| Patent application number | Description | Published |
|---|
| 20080196267 | Washing machine and method for controlling the same - A washing machine, and a method to control same, prevents deposition of scale in a steam generator and removes deposited scale effectively. The washing machine, which has a rotary drum, a steam generator having a generator heater to supply steam to an inside of the rotary drum, and a water supply device to supply water to the steam generator, includes a control unit controlling the water supply device to allow water to pass intermittently through the steam generator to cool the steam generator when operation of the steam generator is terminated. | 08-21-2008 |
| 20080201867 | Washing machine and washing control method of the same - A washing machine and a washing control method of the same that squeeze detergent water from the laundry, heat the squeezed detergent water, and resupply the heated detergent water, thereby performing heated washing using a minimized amount of water. The washing machine includes a water tub, a rotary drum mounted in the water tub to receive laundry, and a circulation unit to supply water from the water tub into the rotary drum. The washing control method includes detecting an amount of a load according to a weight of the laundry, supplying an amount of water set according to the detected amount of load, supplying the water in the water tub into the rotary drum through the circulation unit to wet the laundry, separating the water from the laundry by rotating the rotary drum, and heating the separated water and resupplying the heated water into the rotary drum through the circulation unit. | 08-28-2008 |
| 20080201868 | Washing machine performing rinsing operation and control method thereof - Disclosed herein are a washing machine and a control method of the same that is capable of maximizing a contact time between water and laundry, thereby improving the rinsing efficiency while using a small amount of water. The washing machine includes a water tub, a rotary drum mounted in the water tub to receive laundry, and a circulation unit to supply water from the water tub into the rotary drum. The control method includes detecting an amount of load according to a weight of the laundry, supplying an amount of water set according to the detected amount of load into the water tub, and supplying the water in the water tub to the laundry by alternately operating the rotary drum and the circulation unit. | 08-28-2008 |
| 20080202171 | Washing machine improving washing efficiency - Disclosed herein is a washing machine that is capable of preventing the deformation of laundry due to spin-drying holes, increasing friction between the inner surface of a washing tub and laundry to improve the washing efficiency, and reducing wash water consumption. The washing machine includes a water tub, a washing tub mounted in the water tub, a drive unit to rotate the washing tub, and a wash water circulation unit to supply wash water in the water tub into the washing tub. The washing tub has a plurality of depressions formed therein and depressed outward from the inner surface thereof in the shape of a polygonal pyramid, and a plurality of spin-drying holes formed in a deep area of the respective depressions. | 08-28-2008 |
| 20080250823 | Drum washing machine with bubble generator - Disclosed is a drum washing machine having a bubble generator to wash laundry using bubbles. The drum washing machine includes a tub to contain washing water; and a bubble generator generating bubbles and supplying the bubbles to the tub, the bubble generator including a bubble generation pump allowing the washing water to flow therethrough and an ejector unit formed integrally with one side thereof to mix air with the washing water. The drum washing machine minimizes a reduction of the speed of the washing water due to a passage resistance, and thus increases an amount of generated bubbles. | 10-16-2008 |
| 20080263783 | Drum washing machine and washing method thereof - A drum washing machine and a washing method of the drum washing machine wash clothes to be dry-cleaned, without water, using microfiber. The drum washing machine includes a tub; a drum rotatably provided in the tub; and a cleaning member contacting laundry in the drum to perform the dry-cleaning of the laundry. The drum washing machine washes clothes to be dry-cleaned, without water, using a cleaning member made of microfiber, thereby minimizing the deformation or shrinkage of the clothes. | 10-30-2008 |
| 20080271261 | WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME - A washing machine in which the poor heat-resistant laundry is sufficiently wet so that a plurality of water curtain layers are formed at the laundry, thereby preventing the laundry from being stained and damaged when the laundry contacts the steam. According to the present invention, cold water is supplied simultaneously with injection of the steam so that the real temperature of the steam contacting the surfaces of the laundry is lowered, thereby preventing the laundry from being stained and damaged when the laundry contacts the steam. | 11-06-2008 |
| 20080282750 | Washing machine with steam generator - Disclosed herein is a washing machine that is capable of generating hot air and steam to be supplied into a rotary tub using a single heater. The washing machine includes a rotary tub to receive laundry, a heating duct defining a channel to supply hot air to the rotary tub, a heater mounted in the heating duct, and a steam generating part heated by the heater to generate steam to be supplied to the rotary tub. The steam generating part includes an object heated by contacting the heater. The object includes a tubular member having an outer surface contacting the heater and a hollow part for steam generation defined therein. The object may include a steam generating plate having one surface contacting the heater. | 11-20-2008 |
| 20090064421 | Washing machine and controlling method - Disclosed are a washing machine and a controlling method, capable of maintaining an optimal temperature for efficient generation of foam to perform foam washing that uses a large amount of foam in washing laundry, thereby accomplishing optimal washing efficiency. The controlling method for the washing machine according to the present invention comprises supplying washing water with detergent required to generate foam, generating foam using detergent water which is a mixture of the washing water and the detergent, transmitting heat to the generated foam by heating the detergent water, and washing laundry using the foam. | 03-12-2009 |
| 20090231581 | Turbidity sensor and electric home appliance having the same - Disclosed are a turbidity sensor, which correctly senses a turbidity of water although the surface of the turbidity sensor is covered with foreign substances, such as scale, and an electric home appliance having the turbidity sensor. The turbidity sensor includes a light emitting part emitting light, a first light receiving part receiving light emitted from the light emitting part and travelling straight, a second light receiving part receiving light emitted from the light emitting part and scattered, and a control unit determining a turbidity of water according to a ratio of the amounts of the light received by the plurality of light receiving parts. The first light receiving part is installed in a direction of directly receiving the light emitted from the light emitting part, and the second light receiving part is installed in another direction of not directly receiving the light emitted from the light emitting part. | 09-17-2009 |
| 20100000574 | CONTROL METHOD OF WASHING MACHINE - A control method of a washing machine is capable of safely achieving a tub washing operation control with low power consumption. At the time of performing tub washing, water of which the amount is decided depending on a volume inside a drum and a volume inside a water tub is supplied to the water tub, and the rotation speed of the drum is controlled to be inversely proportional to the volume of the supplied water, thereby efficiently controlling a tub washing operation with low power consumption. Also, the rotation state of the drum is controlled, at the time of performing the tub washing, to maintain the temperature of a motor or a printed circuit board (PCB) to be a predetermined level or less, thereby safely controlling a tub washing operation with low power consumption. In addition, it is determined whether the revolutions per minute (RPM) of the drum rotating at the tub washing operation belong to a resonance band, and the RPM are controlled such that the RPM deviate from the resonance band, thereby achieving a tub washing operation procedure with small noise and vibration. | 01-07-2010 |
| 20100018258 | Detergent dissolving device and washing machine having the same - Disclosed are a detergent dissolving device for a washing machine capable of improving solubility of detergent, and a washing machine having the same. The detergent dissolving device includes a powdered detergent box, and the powdered detergent box includes a detergent receiving portion, and a water feed portion defined at a periphery of the detergent receiving portion to feed water into the detergent receiving portion so as to cause rotating motion of water received in the detergent receiving portion. The detergent dissolving device further includes a cover provided to open or close the detergent receiving portion. The cover includes a water discharge portion to discharge the water out of the detergent receiving portion. | 01-28-2010 |
| 20100107704 | Washing machine with detergent supply path - Disclosed herein are a washing machine and a detergent supply path which guides detergent stored in a lower part of a main body of the washing machine to an upper part of the main body. The washing machine includes a main body; a support base removably mounted to the main body; a detergent storage unit mounted at a lower part of the main body to be moved in and out of the main body; a detergent supply path guiding the detergent stored in the detergent storage unit that is in the lower part of the main body, to an upper part of the main body; and a guide unit guiding movement of the detergent supply path according to the movement in and out of the detergent storage unit. | 05-06-2010 |
| 20100126236 | Washing machine - A washing machine capable of reducing the manufacturing cost of a circulation device installed to circulate water and capable of preventing water from being scattered when spraying circulating water into a spin basket is described. A tub cover of the washing machine includes a guide part provided with a connector, which is integrated with the tub cover, connected with a circulation passage, and inclined upward toward the tub cover, and an inclined surface inclined toward the spin basket at an inner edge of the tub cover, thereby reducing the manufacturing of the circulation device and preventing water from being scattered. The washing machine includes a circulation drain port formed at a side surface of a tub and a filtering duct connected with the circulation drain port, thereby reducing the manufacturing cost of the circulation device. | 05-27-2010 |
| 20100175434 | Pulsator unit for washing machine and washing machine having the same - In the washing machine, which has a tub installed in a main body, a spin basket rotatably installed in the tub, and a pulsator unit installed in the spin basket to generate a washing water current, the pulsator unit includes a first pulsator connected to a washing shaft of a driving device, a rod member installed on the upper surface of the first pulsator such that the rod member is tilted toward a central axis of the first pulsator at a designated angle, and a second pulsator coupled with the rod member such that the second pulsator is relatively rotated against the rod member. The pulsator unit generates a combined water current in the spin basket, and thus prevents the twisting and entanglement of laundry or reduces the amount of consumed washing water | 07-15-2010 |
| 20100269266 | Washing machine and method for controlling the same - A washing machine and a control method thereof are disclosed. The washing machine has a plurality of washing tubs to clean laundry in different ways classified according to capacity and types of clothing. Different washing tubs simultaneously stop operations or are stopped at different times spaced apart from each other by a predetermined time, although washing tubs have different washing conditions (e.g., different input times of laundry, different amounts of laundry, different washing courses, etc.) when laundry is cleaned using the washing tubs. | 10-28-2010 |
| 20100275381 | Washing machine and method for controlling the same - A washing machine and a method of controlling the same are disclosed. If two washing tubs simultaneously perform the dehydration, unbalanced positions of the first and second washing tubs are checked. The method controls dehydration rotation speed or dehydration rotation direction of each washing tub to adjust a difference in unbalanced position angle between two washing tubs, thereby reducing vibration. If dehydration is performed in one washing tub, the method prevents the other washing tub performing no dehydration process from entering the dehydration process. | 11-04-2010 |
| 20100275386 | Washing machine and method of controlling the same - A washing machine which prevents wash water in a plurality of tubs from being simultaneously drained, and a method of controlling the washing machine. The washing machine includes a plurality of tubs, a plurality of drain devices to discharge wash water in the plurality of tubs to the outside, and a control device connected to the plurality of tubs to selectively drain the wash water in the plurality of tubs. | 11-04-2010 |
| 20100281926 | Pulsator unit for washing machine and washing machine having the same - Disclosed herein is a washing machine to generate rotating and vertical water streams simultaneously. The rotating water stream is generated by rotation of an outer pulsator, and the vertical water stream is generated by rotation of an inner pulsator. A rotating body is installed between the outer pulsator and the inner pulsator, to convert rotation into vertical movement. An inner wall of the outer pulsator is formed with a curved surface to come into close contact with the inner pulsator being moved vertically. | 11-11-2010 |
| 20100287712 | Washing machine and control method thereof - Disclosed herein are a washing machine having a plurality of washtubs and a control method thereof. In the washing machine having a plurality of washtubs, if it is determined that a washtub that is not in operation is present, dozens of liters of water used in a washtub that is in operation are moved into and stored in the non-operating washtub rather than being discharged to the outside. The moved water may be utilized in a following washing or rinsing stage of the washtub, or a washing or rinsing stage of the other washtub. | 11-18-2010 |
| 20110094271 | Pulsator device usable with washing machine and washing machine having the same - A pulsator device that generates a composite stream of water to improve performance of a washing machine. The pulsator device includes a first pulsator configured to be rotated about a rotary shaft, a shaft connected to the first pulsator such that the shaft is rotated with the first pulsator, the shaft being eccentric with respect to the rotary shaft, and a second pulsator rotatably coupled to the shaft. | 04-28-2011 |
| 20110119838 | WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME - A washing machine in which the poor heat-resistant laundry is sufficiently wet so that a plurality of water curtain layers are formed at the laundry, thereby preventing the laundry from being stained and damaged when the laundry contacts the steam. According to the present invention, cold water is supplied simultaneously with injection of the steam so that the real temperature of the steam contacting the surfaces of the laundry is lowered, thereby preventing the laundry from being stained and damaged when the laundry contacts the steam. | 05-26-2011 |
