Patent application number | Description | Published |
20080236205 | Washer - A washer has a structure to prevent overheating of a heater. The washer includes a tub to contain wash water, a rotating drum provided in the tub, a heater to heat water in the tub, and a circulation unit to supply water in the tub to the rotating drum. A circulation hole is formed at a height same as or greater than a mounting height of the heater to allow water to flow into the circulation unit. This prevents the height of water from becoming less than the mounting height of the heater even when the circulation unit is in operation, thereby preventing overheating of the heater. | 10-02-2008 |
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 |
20090241267 | Control method of washing machine - Disclosed herein is a control method of a washing machine that performs washing using bubbles. The control method may generate a large number of bubbles using a small amount of water to reduce water consumption and transmit detergent water to laundry placed in the washing machine effectively and rapidly using high-concentration detergent on the surfaces of the bubbles, thereby reducing time and energy consumption and improving washing efficiency. The bubbles may act as a cushion to reduce friction between laundry articles, thereby preventing expensive laundry (such as wool or silk) from being damaged due to the friction between the laundry articles and between the laundry and water and preventing damage to and deformation of general laundry when washing the laundry. | 10-01-2009 |
20100236000 | Washing machine and control method thereof - Disclosed herein are a washing machine and a control method thereof. The control method effectively transmits high-concentration wash liquid to laundry, while minimizing the amount of water used, through washing using bubbles, and maximizes the increase in volume of the wash liquid rubbed on the inner circumferential surface of the drum using the generation of bubbles and the rotation of the drum to raise the water level of the wash liquid without additional water. | 09-23-2010 |
20110056030 | Washing machine and control method thereof - A washing machine and a control method thereof to achieve washing performance using bubbles without damage to fiber structures of functional clothes. When a washing course of functional clothes is selected, a motor is frequently rotated at a period of a predetermined time or less, causing the clothes to uniformly adsorb the water. Thereafter, bubbles are generated and applied to the clothes. A drive operation rate of the motor is raised stepwise to wash the clothes to which the bubbles have been applied, so as to effectively remove sweat, contaminants, or the like contained in the clothes. | 03-10-2011 |
20120180227 | WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME - A washing mode set by a user is changed to a washing mode having a low energy cost and washing effect corresponding to the washing effect of the user-set washing mode, and a washing operation is performed in the changed washing mode. Details of the washing mode change and energy cost change according thereto are displayed on a display such that a user confirms them and determines whether or not to select a washing mode having lower energy cost. Upon completion of the washing operation, an energy cost reduction result is displayed on the display such that the user can directly confirm energy reduction effect, thereby remarkably improving the reliability of the washing machine. | 07-19-2012 |
20120192450 | WASHING MACHINE, POWER MANAGEMENT APPARATUS AND METHOD OF CONTROLLING THE SAME - In a washing machine, a power management apparatus and a method of controlling the same, washing operation and drying operation commands are input by a user, power rate information for each time period is received from an EMS, a drying operation execution time is confirmed, and power rates corresponding to the drying operation execution time are determined based on the power rate information for each time period. Then, the power rates corresponding to the drying operation execution time are compared with the standard power rates to determine whether the power rates corresponding to the drying operation execution time are higher than the standard power rates, and an algorithm of a final spinning mode in the washing operation is adjusted if the power rates corresponding to the drying operation execution time are higher than the standard power rates. | 08-02-2012 |
20120193985 | WASHING MACHINE AND METHOD OF CONTROLLING THE SAME - A washing machine and a method of controlling the same include a motor to rotate a rotary tub including laundry, a heater to heat water contained in the rotary tub, a communication unit to receive an energy saving signal having information regarding an energy saving start time from an energy management system (EMS), and a controller, upon receiving the energy saving signal, to determine which one of the motor and the heater is a load having highest power consumption in a process to be executed at the energy saving start time, and reduce the operation rate of the determined load. Before current power rates exceed reference power rates, the load operation rate of the washing machine is changed so that power consumption is greatly reduced. | 08-02-2012 |
20120197441 | DRYING MACHINE AND METHOD FOR CONTROLLING THE SAME - A method for controlling a drying machine which includes a drum, a fan to circulate air within the drum, and at least one heater to heat air provided to the drum, and uses the motor and the at least one heater as a load, includes, upon receiving a drying process command from a user, receiving power rate information for each hour from an energy management system (EMS), recognizing current power rates on the basis of the power rate information for each hour, determining whether the current power rates are higher than reference power rates by comparing the current power rates with the reference power rates, and adjusting the operation rate of any one of the motor and the at least one heater when the current power rates are higher than the reference power rates. The drying machine changes the load operation rate before the power rates exceed the reference power rates, resulting in reduction in power consumption. Furthermore, as the drying machine can prevent total power consumption from being rapidly increased, the power plant need not be additionally driven to generate more electricity. As a result, the drying machine reduces environmental impact and prevents power rates from being increased. | 08-02-2012 |
20130031938 | WASHING MACHINE - A washing machine capable of increasing the washing capacity without enlarging the external appearance and also discharging a washing water during a washing operation or a spin-dry operation while completely isolated from electronic parts and thus reducing the risk of a power failure and fire, the washing machine including a body, a rotating tub rotatably disposed inside the body, a pulsator rotatably disposed inside the rotating tub, a driving part provided on a lower portion of the rotating tub to selectively rotate the rotating tub and the pulsator, a base plate to which the driving part is fixed, wherein a waterproofing member is provided between the base plate and a bottom of the body to seal the driving part and to prevent water from reaching the driving part. | 02-07-2013 |
20130036776 | WASHING MACHINE - A washing machine includes a cabinet forming an external appearance of the washing machine, a rotary tub disposed to rotate around a driving shaft vertically provided inside the cabinet and including a sidewall, which extends with inclination to have a diameter increasing from a lower side to an upper side of the washing machine, and at least one protrusion part, which protrudes from the sidewall with inclination to have a diameter increasing from an upper side to a lower side of the sidewall. A guide water filter is mounted on at least one protrusion part inside the rotary tub and provided at a rear surface thereof with a drain passage to discharge the washing water discharged from the balance ring to outside. A base is installed at the lower side of the rotary tub and includes a guide part and a support plate. | 02-14-2013 |
20140096571 | WASHING MACHINE - A washing machine including a washing tub to allow enhancement in washing efficiency. A washing tub of the washing machine includes a pattern having a protrusion portion to generate friction force between laundry and the washing tub and to thereby increase washing efficiency. The pattern has a concave-convex structure and performs action similar to a lifter, washing efficiency may be enhanced using tumbling generated by the pattern. A plurality of drain holes are arranged in a certain pattern in the washing tub to prevent a dehydration bottleneck phenomenon in which dehydration is concentrated at a particular drain hole and to increase a dehydration rate. The pattern is provided such that protrusion portions and recessed portions continue on the surface of the washing tub to enhance stiffness of the washing tub. | 04-10-2014 |