Lg Electronics Inc.

Fairchild Korea Semiconductor Ltd.

Semiconductor Components Industries, LLC

Youngjong Kim

Insik Yu

Dongcheol Kim

Youngjun Kim

Kyubum Lee

Sunho Lee

Sangjun Lee

Hyungkwan Jang

Jaeyong Jeong

Hyuksoo Lee

Dongyoon Kim

Kuo-Hsien Huang

Hyunchul Eum

Chih-Chun Chuang

Moon Ho Choi

Moon Sik Song

Sangwook Lee

Changwoo Son

Seongno Yoon

Jimaeng Kim

Young Mo Yang

Young Je Lee

Hoil Jeon

Hyewon Kim

Junghyun Park

Taehee Lee

Jongmin Lee

Youngbae Park

Hyunwoo Noh

Miju Kim

Aekyung Chae

Mincheol Kim

Dongmin Kim

Hyeyong Park

Byunghyun Moon

Taechul Moon

Unkeol Yeo

Younggon Kim

Seogkyu Park

Taehyeon Sim

Sunggi Hwang

Jongdeuk Bae

Sanghwon Jung

Yongkeon Lee

Chang JaeWon

Hyunyong Jeong

Changwon Lee

A laundry treating apparatus includes a tub, a drum rotatably disposed inside the tub, a rotator that is rotatably disposed on a bottom surface of the drum and includes a pillar extending inside the drum and a plurality of blades spaced apart from each other along a circumferential direction of the pillar and inclined with respect to a longitudinal direction of the pillar, a motor for driving the drum and the rotator, and a controller that controls operation of the motor. A method for controlling the apparatus includes sensing an amount of clothes in the drum, sensing a washing load of the clothes including a moisture content from water supplied into the tub, and sensing a cloth material of the clothes. When the washing load corresponds to a normal washing load in the first cloth material sensing operation, a first washing process is performed according to the washing load.

Laundry treating apparatus and method for controlling the same

A washing machine includes: an outer tub, an inner tub, a drain pump driven by an electric current to thereby drain water from the outer tub, a motor providing a rotational force to the inner tub, and a control unit controlling the drain pump and the motor. The control unit rotates the motor to increase a rotation speed of the inner tub to a preset first target speed during a sub spin-drying cycle to remove moisture from laundry in the inner tub, measure the current of the drain pump to measure an amount of water dehydrated from the laundry, measure, based on the current being increased and then decreased to or below a preset reference current, the rotation speed of the inner tub, and change a preset rotation time of the inner tub in a main spin-drying cycle according to the measured rotation speed of the inner tub.

Washing machine and spin-drying control method for washing machine

A laundry treating apparatus includes a drum and a rotator. The rotator includes a bottom portion positioned on a bottom surface of the drum, and a pillar protruding upward from the bottom portion and having a blade disposed on an outer circumferential surface thereof. A controller controls a driver such that the rotator performs an ascending and descending motion for forming an ascending water flow or a descending water flow at least once in a washing cycle of laundry. The controller performs a method for controlling the laundry treating apparatus and controls the driver such that a rotation in one direction and a rotation in the other direction of the rotator are performed by different amounts of rotation in the ascending and descending motion.

An apparatus for molding a rotating member includes a main mold including a column part space configured to mold a column part therein, a plurality of blade spaces configured to mold a plurality of blades therein, and a plurality of split bodies disposed along a circumferential direction of the column part and configured to move along a radial direction of the column part. Each of the plurality of split bodies comprises a column part molding surface defining the column part space, and a plurality of blade molding surfaces defining the blade space. Column part molding surfaces of the plurality of the split bodies define the column part space together, and a first blade molding surface provided at one of the plurality of split bodies defines, together with a second blade molding surface provided at another one of the plurality of split bodies, one of the plurality of blade spaces.

Apparatus for molding

A laundry treating apparatus includes a cabinet, a tub, a drum, a rotator including a bottom portion positioned on a bottom surface of the drum, a pillar protruding from the bottom portion toward an open surface of the drum, and blades spaced apart from one another along a circumferential direction of the pillar and inclined with respect to a longitudinal direction of the pillar, a water supply, a sprayer, a drainage, and a controller for controlling rotation of the drum and the rotator and operation of the water supply and the drainage. During a rinsing operation, the drum and the rotator rotate in a same direction while water is continuously sprayed through the sprayer and the drainage is closed.

A laundry treating apparatus includes a cabinet, a tub, a drum, a water supply, a drain, a rotator rotatably disposed on a bottom surface of the drum, and a controller that controls rotation of the rotator. The rotator includes a bottom portion positioned on the bottom surface, a pillar protruding from the bottom portion toward an open surface, and a blade including a plurality of blades disposed to be spaced apart from each other along a circumferential direction of the pillar. The blade extends from the bottom portion toward the open surface in an inclined direction with respect to a longitudinal direction of the pillar. The rotator performs a first rotation for generating an ascending water flow and a second rotation for generating a descending water flow. The controller controls the rotator to alternately repeat the first rotation and the second rotation.

A laundry processing apparatus includes an outer tub for accommodating washing water therein, an inner tub disposed inside the outer tub and containing laundry therein, a pulsator provided in a lower portion of the inner tub, a blade provided below the pulsator, a driving motor disposed outside the outer tub for rotating a washing shaft, a pulsator connecting shaft penetrating a lower side surface of the outer tub for rotating the pulsator, a blade connecting shaft which also penetrates a lower side surface of the outer tub for rotating the blade, and a gear module disposed outside the outer tub for transmitting a rotational force of the washing shaft to the pulsator connecting shaft and the blade connecting shaft respectively.

Laundry washing apparatus

A laundry treating apparatus includes a tub, a drum, and a rotator, the rotator includes a bottom portion positioned on a bottom surface, a pillar protruding from the bottom portion toward an open surface, and a blade disposed on an outer circumferential surface of the pillar, wherein one end of the blade faces toward the bottom portion, and the other end of the blade faces toward the open surface, and the blade includes a plurality of divided blades separated and spaced apart from each other between said one end and the other end.

Laundry treating apparatus

A laundry treating apparatus includes a tub, a drum, and a rotator. The rotator includes a bottom portion positioned on a bottom surface, a pillar protruding from the bottom portion toward an open surface, and a blade protruding from an outer circumferential surface of the pillar, wherein the blade extends from one end facing toward the bottom portion to the other end facing toward the open surface. The blade extends obliquely with respect to a longitudinal direction of the pillar, and the number of turns of the blade wound on the pillar from said one end to the other end is equal to higher than 0.4 and equal to or lower than 0.6 when viewed from the open surface.

A washing machine includes a lower balancer assembled by a fastening member that connects a hub and tub base, thereby reducing manufacturing process and manufacturing cost. The fastening member passes through the tub base and the lower balancer and is coupled to the hub.

Washing machine having lower balancer

A laundry treating apparatus includes a tub, a drum, and a rotator, wherein the rotator includes a bottom portion positioned on the bottom surface, a pillar protruding from the bottom portion toward the open surface, and a blade protruding from an outer circumferential surface of the pillar, wherein the blade includes a plurality of blades disposed to be spaced apart from each other along a circumferential direction of the pillar. The blade extends from the bottom portion toward the open surface along a direction inclined with respect to a longitudinal direction of the pillar.

A method for controlling a laundry treating apparatus includes a dry cloth sensing operation of sensing an amount of clothes put into a drum, a wet cloth sensing operation of sensing a washing load based on a moisture content of the clothes by supplying water into a tub, and a cloth material sensing operation of sensing a cloth material of the clothes put into the drum based on a rpm gap and a motor-constrained state where rotation of a motor is restricted. The rpm gap is a difference between a target rpm of a rotator in the drum and an actual rpm of the rotator.

A laundry treating apparatus includes a tub, a drum, and a rotator, the rotator includes a bottom portion positioned on a bottom surface, a pillar protruding from the bottom portion toward an open surface, a blade protruding from an outer circumferential surface of the pillar, and a cap coupled to an end of the pillar facing toward the open surface, and the blade is constructed such that one end thereof faces toward the bottom portion and the other end thereof faces toward the open surface, and the other end thereof is disposed on the cap.

Disclosed is a laundry treating apparatus including a tub for providing therein a space for water to be stored, a drum rotatably disposed inside the tub and providing therein a space for clothes to be stored, wherein the drum includes an open surface for inserting and withdrawing the clothes therethrough and a bottom surface located on an opposite side of the open surface, a pulsator rotatably disposed on the bottom surface and inside the drum, an agitator protruding from the pulsator inside the drum and extending toward the open surface, wherein the agitator is rotatably disposed at a center of the pulsator, and a driver configured to drive at least one of the drum, the pulsator, and the agitator. The pulsator and the agitator may be configured to rotate in opposite directions.

A laundry treatment apparatus includes an outer tub to receive wash water, a driving motor having a stator fixed to the outer tub, and a rotor rotated relative to the stator, a washing shaft rotated together with the rotor, and a rotatable spin-drying shaft spaced apart from the rotor. The laundry treatment apparatus also includes an inner tub disposed in the outer tub, a pulsator provided in the inner tub at a lower portion thereof, and a clutch assembly. The inner tub is rotated together with the spin-drying shaft and the pulsator is rotated by the washing shaft. The clutch assembly selects one of a plurality of modes including i) at least one restriction mode of restricting the spin-drying shaft to the rotor or the outer tub and ii) a free mode of not restricting the spin-drying shaft to the rotor and the outer tub.

Growing community of inventors

Seoul, South Korea

Youngjong Kim