Lg Electronics Inc.

Skhynix Inc.

Seoul National University

Hyojun Kim

Sangwook Hong

Youngsuk Kim

Hongjun Cho

Cheolsoo Ko

Hyeonjoong Kim

Hyuksoo Lee

Oshin Kwon

Yeonju Lee

Yangguk Hwang

Heakyung Yoo

Minji Kim

Injae Han

Jongmin Lee

Hyunwoo Noh

Sogkie Hong

Taewoong Kim

Junghoon Lee

Deog-Kyoon Jeong

Sangheon Lee

Jaewon Chang

Woore Kim

Sunho Lee

Byeongjo Ryoo

Sunku Kwon

Bonkwon Koo

Naeun Kim

Byungkeol Choi

Seungjoon Kim

Hyeongjoong Kim

Sokgie Hong

Deokkyu Kim

Bonkwon Ko

Hangil Park

A laundry treating apparatus includes a drum for accommodating laundry therein. The drum may be directly coupled to a free end of a rotation shaft extending from a driver for providing power to rotate the drum.

Laundry treating apparatus

A laundry treating apparatus is configured to reduce a volume independently occupied by a driver that rotates a drum for accommodating laundry therein, and a volume of a space defined between a rear surface of the drum and a cabinet rear panel.

A dryer includes a drum including a drum body, a front cover having a drum inlet, and a rear cover, a fixing panel spaced apart from the rear cover, a stator fixed to the fixing panel, a rotor configured to rotate relative to the stator, a housing that is fixed to the fixing panel, a first shaft fixed to the rotor and located in the housing, a second shaft located in the housing and fixed to the rear cover, and interlocking gears rotatably located in the housing and configured to transmit a rotational force of a driving gear defined at the first shaft to a driven gear defined at the second shaft. The first shaft and the second shaft are configured to rotate about a common rotation axis passing through the driving gear shaft and the first shaft hole.

Dryer

A laundry treating apparatus includes a drum body, a front cover, a rear cover, a fixed panel spaced apart from the rear cover, a housing fixed to the fixed panel, a stator, a rotor, a ring gear fixed in the housing, a first shaft fixed to the rotor and located in the housing, a driver gear located within the housing and fixed to the first shaft, a second shaft that is concentric with the first shaft, fixed to the rear cover, and located within the housing, a base located within the housing and coupled to the second shaft, and a driven gear having a first body rotatably fixed to the base, a first gear defined at the first body and engaged with the driver gear, a second body fixed to the first body, and a second gear defined at the second body and engaged with the ring gear.

Apparatus for treating laundry

A laundry treatment apparatus includes: a housing defining a reception space, a first through-hole in communication with the reception space and defined at a first surface of the housing, a second through-hole in communication with the reception space and defined at a second surface facing the first surface, a driver including (i) a driving shaft rotatably fixed to the second through-hole and defining a concentric shaft and (ii) a motor configured to rotate the driving shaft, a connection shaft fastening portion disposed at the driving shaft, defining a space, and configured to transmit rotational motion of the driving shaft, and a support configured to be elastically deformed between a second connection body and the second surface and configured to press the second connection body toward the first connection body such that the first connection body is coupled to a fastening body.

Laundry treatment apparatus

A laundry treating apparatus includes a drum including a drum body, a front cover, and a rear cover, a fixed panel that is spaced apart from the rear cover and defines a panel inlet and a panel outlet, a rotor, an exhaust duct configured to guide air from the drum to the panel outlet, a heat exchanger configured dehumidify air in the exhaust duct, a flow path forming part fixed to the fixed panel and in contact with the drum, a duct body fixed to the fixed panel and configured to guide air from the panel outlet to the panel inlet, the duct body receiving the rotor, and a flow path guide configured to guide a portion of the air from the panel outlet to the duct body in a clockwise direction and another portion of the air from the panel outlet to the duct body in a counterclockwise direction.

A dryer includes a drum including a drum body, a front cover with a drum inlet, and a rear cover with an air inlet, a fixing panel that has a first cooling hole and a second cooling hole, a motor configured to rotate the drum, where the fixing panel further defines supply holes arranged along a circumferential surface of the motor and configured to guide air to the air inlet, a supply duct fixed to the fixing panel and configured to guide air to the supply holes, where the supply duct defines an accommodating space that accommodates the motor, and a duct cover that connects together the first cooling hole, the accommodating space, and the second cooling hole and that is configured to circulate air through the first cooling hole, the accommodating space, and the second cooling hole to thereby cool the motor.

Clothes dryer configured for motor cooling

The present invention relates to a method for controlling a clothes treating apparatus, the method comprising: a circulation step of circulating air by operating a fan; a heat exchange step of opening a refrigerant pipe by controlling an expansion valve, and circulating a refrigerant by operating a compressor; a circulation termination step of terminating the operation of the fan when the dryness level of clothes stored in a receiving part reaches a predetermined reference dryness level or when the elapsed time of the heat exchange step reaches a predetermined reference time; and a return step of closing the refrigerant pipe by controlling the expansion valve, and returning the refrigerant and lubricant in the refrigerant pipe to the compressor by operating the compressor.

Clothes treating apparatus and method for controlling same

An apparatus for treating laundry includes a cabinet and a drum. The cabinet includes a base panel, a support panel fixed to the base panel, and a fixed panel fixed to the base panel. The drum includes a cylindrical drum body and a drum entrance defined at a front cover of the cylindrical drum body. The apparatus further includes a support panel perforated hole defined at the support panel and in communication with the drum entrance, a drum connecting body provided at the support panel and connecting the support panel perforated hole to the drum entrance, and a drive part. The drive part includes a stator configured to generate a rotating field, a rotor configured to be rotated by the rotating field, and a power transmission part that is fixed to the fixed panel and that is configured to transmit a rotational motion of the rotor to the drum.

A phase-locked loop includes a bias circuit controlling a first bias current between a first power source and a first node according to a bias control signal; an oscillation circuit coupled between the first node and a second power source and generating an oscillation signal according to a current from the first node; a duplicate bias circuit controlling a second bias current between the first power source and a second node according to the bias control signal; an equivalent impedance circuit coupled between the second node and the second power source; a comparator circuit comparing voltages of the first node and the second node; a first variable current circuit controlling a current between the first node and the second power source; and a second variable current circuit controlling a current between the second node and the second power source.

Phase-locked loop capable of compensating power noise

A clothes treatment apparatus, including a drum rotatably provided within a cabinet to accommodate washing and drying objects; and a heat pump including an evaporator, a compressor, a condenser, and an expansion valve, through which refrigerant is circulated, to provide heat to air discharged from the drum and circulated to the drum, wherein the heat pump further includes an internal heat exchanger configured to exchange heat between refrigerant discharged from the condenser and refrigerant passing through the evaporator.

Clothes treatment apparatus

The present invention relates to a laundry treating apparatus having a washable filter provided on an air circulation conduit for drying laundry. Disclosed is the laundry treating apparatus that is capable of automatically or manually washing the filter. The laundry treating apparatus, according to the present invention, comprises: a cabinet (); an outer tub () disposed within the cabinet (); an inner tub () rotatably disposed within the outer tub (); a circulation conduit () that serves as a guide to allow at least a part of air within the outer tub () to be discharged from the outer tub () and supplied back to the outer tub (); a fan () disposed on the circulation conduit () to move air; a filter net () disposed on the circulation conduit () to filter foreign substances included in the moving air; a filter frame () that supports the filter net (); and a nozzle () that sprays water to remove the foreign substances filtered by the filter net (). At least a part of the filter frame () includes an extraction frame () that is able to be extracted from the cabinet ().

The present invention relates to an operation method of a washing machine for controlling the rotation of a pulsator to enhance cleaning performance, there is provided a method of operating a washing machine having a pulsator rotatably provided in a tub, and the method may include a first cleaning mode having a first process of rotating the pulsator in one direction at a first angle and then rotating it in the other direction at a second angle around the rotation shaft; and a second process of rotating the pulsator in the one direction at a third angle and then rotating it in the other direction at a fourth angle around the rotation shaft, wherein the first angle is greater than the third angle, and the second angle is greater than the fourth angle, and the second angle is greater than the third angle.

Operating method for washing machine

Provided is a clothes treating apparatus. The clothes treating apparatus may include a clothes receiving device providing a space for receiving clothes therein, a circulation passage provided in the clothes receiving device and configured to provide a flow path for air circulation through the clothes receiving device, and a heat-exchanging device provided in the circulation passage and configured to dehumidify air introduced into the circulation passage. A blower may be provided in the circulation passage and configured to circulate air within the clothes receiving device. A condensed water discharge device may be provided at a lower surface of the circulation passage and configured to discharge condensed water generated by the heat-exchanging device. The condensed water discharge device may include a backflow-preventing member that prevents backflow of the condensed water from the condensed water discharge device to the circulation passage.

Growing community of inventors

Seoul, South Korea

Hyojun Kim