Abstract: There is provided a sump of a dishwasher having a plurality of nozzles for spraying washing water. The sump includes a sump case for storing the washing water, a sump cover covering the sump case, a self-cleaning filter installed on the sump cover to filter foreign objects contained in the washing water stored in the sump case, a washing pump for pumping out the washing water stored in the sump case, a pump lower receiving the washing pump and providing a soil chamber in which the foreign objects contained in the washing water are accumulated, a washing motor installed on the sump case to drive the washing pump, a drain pump installed on the sump case to drain the washing water, and a drain motor for driving the drain pump.

Abstract: A laundry machine includes a first laundry treatment space configured to receive laundry therein, a second laundry treatment space configured to receive laundry therein, and an air supply unit configured to supply air to the second laundry treatment space, the air supply unit comprising a fan, a heating part, a first sensor part for sensing a temperature of air supplied by the air supply unit, and a control part for controlling a temperature of the supplied air to be within a predetermined range.

Abstract: An insulator for an electric heater is configured to allow a heater coil to expand/contract uniformly, and permit an easy fitting of the heater coil thereto. The insulator includes a body part formed of an insulating material, a coil seating part at an end of the body part for supporting the heater coil, and a seating slot between the coil seating part and the body part for inserting the heat coil.

Abstract: A dryer with an improved arrangement of heating coils is provided. The improved heater assembly includes a heater case partitioned into an upper passage and a lower passage, with independent first and second coil arrays crossing the plate between the upper and lower passages. The first and second coil arrays may be separately controlled to adjust an amount of drying capacity provided to the dryer while maintaining a uniform flow of drying air.

Abstract: There is provided a sump assembly of a dishwasher. The sump assembly includes a sump case having coupling bosses protruded upward, a sump cover seating on an upper portion of the sump case, the sump cover having a coupling boss and a coupling hole, a self-cleaning filter assembly mounted on a top surface of the sump cover, the self-cleaning assembly having a coupling hole, a fluid passage guide mounted on a bottom of the sump cover, pump lower having a first coupling boss formed on a frame portion and a second coupling boss formed therein and a washing pump disposed between the fluid passage guide and the pump lower, and a washing pump disposed between the fluid passage guide and the pump lower.

Abstract: A laundry machine includes a first laundry treatment space configured to receive laundry therein, a second laundry treatment space configured to receive laundry therein and an air supply unit configured to supply air to the second laundry treatment space, the air supply unit comprising a fan, a heater and a housing, and wherein the housing accommodates the fan, the heater, an inlet and an outlet.

Abstract: The present invention relates to laundry machines, and, more particularly, to a safe laundry machine which enables a user to open/close a door easily, and can prevent an accident caused by opening/closing of the door from taking place. The laundry machine includes a cabinet, a drum rotatably mounted in the cabinet, a door having a latch for being opened/closed selectively to expose an inside of the drum to an outside of the laundry machine, and a door switch assembly provided for enabling opening/closing of the door, wherein the door switch assembly includes a switch unit for making selective connection to the latch, and an opening operation unit spaced from the switch unit for the user to enable to disconnect the connection between the latch and the switch unit.

Abstract: A laundry treating machine having a heating part is disclosed. A laundry treating machine includes a cabinet, a single partition wall partitioning inner space of the cabinet into a first space and a second space, and a hot air supply unit provided in the first space, the hot air supply unit supplying hot air to the second space and comprising a heating part. The heating part includes a heater heating air, a case supporting the heater to form an air path and preventing heat of the heater from transmitting in a different direction from the air path, a sensing part sensing the temperature of the heater, and a control part controlling the heater according to a temperature value measured by the sensing part.

Abstract: The present invention relates to laundry machines, and, more particularly, to a safe laundry machine which enables a user to open/close a door easily, and can prevent an accident caused by opening/closing of the door from taking place. The laundry machine includes a cabinet, a drum rotatably mounted in the cabinet, a door having a latch for being opened/closed selectively to expose an inside of the drum to an outside of the laundry machine, and a door switch assembly provided for enabling opening/closing of the door, wherein the door switch assembly includes a switch unit for making selective connection to the latch, and an opening operation unit spaced from the switch unit for the user to enable to disconnect the connection between the latch and the switch unit.

Abstract: A control system for a motor-driven washing machine. The control system includes an electrical motor; a driving unit that applies an input voltage to the motor to drive the motor; a voltmeter that measures a reverse voltage generated by the motor for each predetermined period; and a microprocessor reducing a speed of the motor if the measured reverse voltage is less than or equal to a predetermined voltage level.

Abstract: A method of controlling a motor-driven washing machine. The method includes increasing a speed of a motor from zero to a first predetermined speed W1. Reducing the motor speed from W1 to a second predetermined speed W2 and measuring the deceleration period. Increasing the motor speed from W2 to a third predetermined speed W3 and braking the motor according to a slow brake logic if a first interruption of the motor is ordered during the step of increasing the motor speed from W2 to W3. Increasing the motor speed from W3 to a fourth predetermined speed W4 and selecting one of plurality of rapid-brake logics on the basis of the measured deceleration period and braking the motor according to the selected rapid-brake logic if a second interruption of the motor is ordered during the step of increasing the motor speed from W3 to W4.

Abstract: A leakage preventing structure of a dishwasher is provided. The structure includes a wash motor with a motor shaft disposed at its center, a sump housing that the motor shaft passes through, and a sealing portion that seals the space between the wash motor and the sump housing. The sealing portion is an aircap that controls the water level of washing water introduced into the aircap by means of air pressure of air inside the aircap, or a sealing member coupled to the motor shaft of the wash motor.

Abstract: A laundry machine includes a first laundry treatment space configured to receive laundry therein, a second laundry treatment space configured to receive laundry therein, and an air supply unit configured to supply air to the second laundry treatment space, the air supply unit comprising a fan, a heating part, a first sensor part for sensing a temperature of air supplied by the air supply unit, and a control part for controlling a temperature of the supplied air to be within a predetermined range.

Abstract: The present invention relates to laundry machines, and, more particularly, to a safe laundry machine which enables a user to open/close a door easily, and can prevent an accident caused by opening/closing of the door from taking place. The laundry machine includes a cabinet, a drum rotatably mounted in the cabinet, a door having a latch for being opened/closed selectively to expose an inside of the drum to an outside of the laundry machine, and a door switch assembly provided for enabling opening/closing of the door, wherein the door switch assembly includes a switch unit for making selective connection to the latch, and an opening operation unit spaced from the switch unit for the user to enable to disconnect the connection between the latch and the switch unit.

Abstract: The present invention relates to laundry machines, and, more particularly, to a safe laundry machine which enables a user to open/close a door easily, and can prevent an accident caused by opening/closing of the door from taking place. The laundry machine includes a cabinet, a drum rotatably mounted in the cabinet, a door having a latch for being opened/closed selectively to expose an inside of the drum to an outside of the laundry machine, and a door switch assembly provided for enabling opening/closing of the door, wherein the door switch assembly includes a switch unit for making selective connection to the latch, and an opening operation unit spaced from the switch unit for the user to enable to disconnect the connection between the latch and the switch unit.

Abstract: A laundry machine includes a first laundry treatment space configured to receive laundry therein, a second laundry treatment space configured to receive laundry therein and an air supply unit configured to supply air to the second laundry treatment space, the air supply unit comprising a fan, a heater and a housing, and wherein the housing accommodates the fan, the heater, an inlet and an outlet.

Abstract: A laundry treating machine having a heating part is disclosed. A laundry treating machine includes a cabinet, a single partition wall partitioning inner space of the cabinet into a first space and a second space, and a hot air supply unit provided in the first space, the hot air supply unit supplying hot air to the second space and comprising a heating part. The heating part includes a heater heating air, a case supporting the heater to form an air path and preventing heat of the heater from transmitting in a different direction from the air path, a sensing part sensing the temperature of the heater, and a control part controlling the heater according to a temperature value measured by the sensing part.

Abstract: A control system for a motor-driven washing machine. The control system includes an electrical motor; a driving unit that applies an input voltage to the motor to drive the motor; a voltmeter that measures a reverse voltage generated by the motor for each predetermined period; and a microprocessor reducing a speed of the motor if the measured reverse voltage is less than or equal to a predetermined voltage level.

Abstract: A method of controlling a motor-driven washing machine. The method includes increasing a speed of a motor from zero to a first predetermined speed W1. Reducing the motor speed from W1 to a second predetermined speed W2 and measuring the deceleration period. Increasing the motor speed from W2 to a third predetermined speed W3 and braking the motor according to a slow brake logic if a first interruption of the motor is ordered during the step of increasing the motor speed from W2 to W3. Increasing the motor speed from W3 to a fourth predetermined speed W4 and selecting one of plurality of rapid-brake logics on the basis of the measured deceleration period and braking the motor according to the selected rapid-brake logic if a second interruption of the motor is ordered during the step of increasing the motor speed from W3 to W4.

Abstract: Brushless motor in a washing machine including a stator having a coil coupled to an upper frame, and a rotor having a lower frame entirely formed of a metal to cover an outer circumference and a bottom of the stator, a plurality of magnets fitted to an inside wall of the lower frame at fixed intervals opposite to the coil of the stator, and a support member formed as one unit with, and at a central portion of the lower frame coupled to a washing water shaft for transmission of a rotating force of the lower frame to the washing water shaft, thereby permitting smooth heat dissipation and drainage from the motor, and shortening a fabrication process and time period.