Lg Electronics Inc.

Sooyoung Oh

Kyosoon Chae

Hyundong Kim

Changoh Kim

Myunghun Im

Jaeyong Jeong

Kyungchul Woo

Sangheon Lee

Bosung Seo

Wooyoung Kim

Myonghun Im

Moonhee Hong

Jaehyun Kim

Youngho Kim

Jongmin Lee

Jaewon Chang

Jinho Kim

Heeyeon Kim

Rayoung Park

Hyemin Kim

Seungwoo Park

Junghoon Lee

Beomjun Kim

A washing machine includes a tub containing water, a drum rotatably provided in the tub to accommodate laundry, and a detergent mixing device configured to mix additives supplied into the tub. The detergent mixing device includes a pair of additive cartridges containing a liquid additive and a peristaltic pump configured to selectively supply the additive discharged from the pair of additive cartridges to the tub. The peristaltic pump includes a first path switching motor, a first tub, a second tube, a first rotor and a second rotor rotated by the flow path switching motor, a first rotary bearing permitting a rotation of the first rotor in a first direction and restricting a rotation of the first rotor in a second direction, and a second rotary bearing permitting a rotation of the second rotor in the second direction and restricting a rotation of the second rotor in the first direction.

Washing machine

A washing machine includes a cabinet, a tub, a drum, a drawer disposed within the cabinet to hold detergent, a drawer housing configured to insert into and withdraw from the cabinet, a water supply guide flow channel for supplying water passed through the drawer into the tub, a top cover housing covering an open top of the cabinet and defining a receiving space above the cabinet, a detergent mixer disposed in the receiving space, and a discharge guiding mechanism. The detergent mixer includes additive cartridges that accommodate liquid additives, additive pumps corresponding to the additive cartridges, and a flow channel box including pump intake paths that guide the additives from the additive cartridges to the additive pumps and pump discharge paths that guide the additives discharged from the additive pumps. The discharge guiding mechanism guides the additives discharged from the pump discharge paths to the water supply guide flow channel.

A washing machine includes a tub containing water, a drum disposed rotatably in the tub, the drum receiving laundry and a detergent supply device supplying detergent to the tub, wherein the detergent supply device comprises a plurality of cartridges respectively containing detergent, a pump sucking detergent contained in the plurality of cartridges and a passage switching valve selectively allowing the pump to be fluidly communicated with one of the plurality of cartridges.

According to the present disclosure, a washing machine includes: a cabinet; a tub disposed in the cabinet and configured to receive water; a drum rotatably disposed in the tub and configured to receive laundry; a drawer configured to be inserted into and withdrawn out of the cabinet, the drawer being configured to contain detergent; a first passage connecting the drawer and the tub; a detergent supply device disposed at the cabinet, the detergent supply device being configured to contain detergent; and a second passage disposed between the detergent supply device and the tub or between the detergent supply device and the drawer, the second passage being configured to guide the detergent contained in the detergent supply device to the tub or the drawer.

The present disclosure relates to a washing machine and a control method of the same. The washing machine includes a tub, a drum, and a detergent supply device configured to supply an additive to the tub. The detergent supply device includes a plurality of cartridges configured to contain the additive, a plurality of check valve assemblies that are respectively connected to the plurality of cartridges and configured to control extracting of the additive from the plurality of cartridges, a pump, a water supply valve configured to receive water from an external water source, and an outlet pipe having a plurality of check valve connection pipes that are respectively connected to the plurality of check valve assemblies, the outlet pipe passing therethrough the water supplied from the water supply valve and the additive extracted from the plurality of cartridges.

Method and apparatus for washing machine

The present disclosure relates to a washing machine including a tub, a drum, and a detergent supply device configured to supply an additive to the tub. The detergent supply device includes a plurality of cartridges storing additive, a plurality of check valve assemblies connected to the plurality of cartridges and configured to control extracting of the additive, a pump for extracting additive, an inlet channel defining a plurality of flow paths respectively connected to the plurality of check valve assemblies, where the inlet channel is configured to transmit a pressure change generated by the pump to the plurality of check valve assemblies, and a flow path switching valve connected to the pump and the inlet channel and configured to selectively establish fluid communication between the pump and any one of the plurality of flow paths of the inlet channel.

A washing machine of the present disclosure includes: a tub in which water is stored; a drum which is rotatably provided in the tub, and accommodates laundry; and a detergent supply device which supplies a liquid additive to the tub, wherein the detergent supply device includes: a cartridge which contains the additive; a pump which extracts the additive contained in the cartridge; an outlet flow path pipe which is connected to the cartridge, and through which the extracted additive flows toward the tub; and a flow path pipe sensor which is installed in the outlet flow path pipe, and detects an existence of the additive in the outlet flow path pipe.

Washing machine and control method of same

A washing machine includes: a tub and a detergent supply device which supplies a liquid additive to the tub, wherein the detergent supply device includes: a cartridge containing the additive; a check valve assembly including a check valve for controlling extracting of the additive, and a check valve housing forming a space in which the extracted additive is temporarily stored; a pump for extracting the additive by changing a pressure in the space; and an outlet passage through which the temporarily stored additive is discharged, wherein the check valve assembly comprises a first outlet opening communicating with the cartridge, a second outlet opening communicating with the outlet passage, a first check valve for opening and closing the first outlet opening, and a second check valve for opening and closing the second outlet opening, wherein the first and second check valves are opened in the same direction.

The present disclosure relates to a washing machine and a control method of the same. The washing machine includes: a detergent supply device which supplies a liquid additive to the tub; and a controller which controls the operation of the detergent supply device. The detergent supply device includes: a plurality of cartridges which contain the additive respectively; an electrode sensor which detects conductivity of the additive contained in the plurality of cartridges; and a pump which extracts the additive contained in the cartridge. The controller determines a type of additive contained in the cartridge based on a detection value of the electrode sensor.

A method for controlling a washing machine includes: detecting a first sensor value by a first set of electrode sensors and a second sensor value by a second set of electrode sensors having at least one electrode sensor which is placed vertically higher than the first set of electrode sensors, the first and second set of electrode sensors comprising at least three electrode sensors which are located at least one of cartridges and configured to detect an amount of detergent contained in the at least one the cartridges; comparing the first sensor value and the second sensor value with a first predetermined value, respectively; passing a predetermined time; redetecting the first sensor value and the second sensor value and calculating a difference sensor value; and determining that the detergent is filling to a height between the first set of electrode sensors and the second set of electrode sensors.

Washing machine and control method thereof

According to the present disclosure, a washing machine may comprise a cabinet, a tub disposed in the cabinet to receive water, a drum rotatably disposed in the tub to contain a laundry and a detergent supply device disposed at the cabinet to supply detergent into the tub, wherein the detergent supply device comprises a plurality of cartridges containing detergent, a pump suctioning detergent from the plurality of cartridges, a passage guiding detergent discharged from the pump into the tub and a plurality of electrode sensors disposed at a side of the plurality of cartridges, wherein each of the plurality of electrode sensors comprises an electrode plate detecting electric signal and a terminal transmitting the electric signal detected by the electrode plate, wherein the electrode plate has a first surface contacted with detergent contained in the cartridge and a second surface connected to the terminal.

A washing machine according to the present invention comprises: a cabinet which forms an outer shape; a tub which is disposed inside of the cabinet, and in which washing water is stored; a pump which circulates the washing water stored in the tub; a circulating nozzle which sprays, into the inside of the tub, the washing water supplied from the pump; a circulating hose which connects the pump to the tub, and guides the circulated washing water to the circulating nozzle; and an atomizing unit which is disposed on the circulating hose, and atomizes the circulated washing water by mixing air. The washing machine according to the present invention supplies, into the inside of the tub through an air mixer, washing water in which air is included, and thus has an advantage of reducing the total flow rate of the used washing water.

Disclosed herein are a washing machine and a control method thereof. The control method includes sensing a first unbalance amount of a drum in which laundry is received while rotating the drum at a first rotational velocity, sensing a second unbalance amount of the drum while accelerating the drum to a second rotational velocity, when the first unbalance amount is allowed, and accelerating the drum to a target rotational velocity, when the second unbalance amount is allowed.

Disclosed herein are a washing machine that is capable of having a reduced washing time and improved washing performance, and a method of controlling the same. The washing machine includes a tub accommodating wash water, a drum rotatably arranged in the tub and accommodating laundry, a drive unit for rotating the drum, a water supply unit for adjusting an inflow of the wash water, and a control unit, wherein the control unit drives the drive unit and detects an amount of the laundry so as to set a target water level, controls the water supply unit to supply the wash water into the tub such that the wash water is lower than the target water level, drives the drive unit to accelerate the drum at a rotational speed, and controls the water supply unit to supply the wash water into the tub until the target water level.

Washing machine and method of controlling the same

A drum type washing machine includes: a tub installed in the interior of a main body and accommodating a rotary drum; a spring installed between an upper portion of the tub and the side of the main body; and a weight detection module installed between the tub and the main body, wherein the weight detection module includes a detection unit to detect the load of the tub; and a transmission unit to transmit data detected by the detection unit to a controller.

Growing community of inventors

Seoul, South Korea

Sooyoung Oh