A clothes treating apparatus is provided that may include an accommodation chamber, in which an object may be accommodated; a first heat pump cycle having a first evaporator, a first compressor, a first condenser, and a first expansion valve; a second heat pump cycle having a second evaporator, a second compressor, a second condenser, and a second expansion valve, and arranged such that air introduced into the accommodation chamber passes through the first evaporator, the second evaporator, the second condenser and the first condenser, sequentially; and a controller configured to control an operation of the first and second heat pump cycles. At least one of the first compressor or the second compressor may be provided with an inverter that changes a drive speed of the compressor through a frequency conversion. The controller may drive the at least one of the first compressor or the second compressor within a predetermined drive range, by controlling the drive speed of the at least one of the first compressor or the second compressor using the inverter.

The present disclosure relates to a tumble dryer (1) comprising a housing (2), a rotatable drum (11) in the housing being accessible from a front side (3) of the housing, and a fan arrangement (13) for producing a flow of process air through the drum. A heat pump is used for drying the process air before it enters the drum, the heat pump comprising a condenser (19), a compressor (17), and an evaporator (15). The condenser 19 the compressor (17), and the evaporator (15) are arranged as components in a heat pump unit (43), wherein the heat pump unit is removable from the remainder of the tumble dryer (1) through an opening in the rear side of the tumble dryer housing without separating the components. This facilitates for instance service of the tumble dryer.

A laundry appliance includes a cabinet and a tub mounted within an interior volume of the cabinet. A laundry basket is rotatably mounted within the tub. The laundry basket defines a chamber for the receipt of articles for treatment. The laundry appliance also includes a heating system coupled to the tub. The heating system is in thermal communication with the chamber such that heated air flows from the heating system to the chamber. The laundry appliance further includes a controller. The controller may be configured for, and methods of operating the appliance may include, providing a flow of a liquid into a tub of the laundry appliance, rotating a laundry basket within the tub after providing the flow of the liquid into the tub, and activating the heating system of the laundry appliance during at least a portion of the step of rotating the laundry basket.

The invention relates to a condenser tumble dryer with a drum for articles to be dried, a drive motor for the drum, a process air duct, a process air blower, a heating and cooling system for the process air, a temperature sensor and a control device. The temperature sensor is an infrared telescope and is arranged to simultaneously measure heat radiation from at least two components of the condenser tumble dryer which are to be monitored. The invention also relates to a method for operating a condenser tumble dryer of said type.

A method is provided for controlling a laundry dryer including a fan motor (26) for driving a drying air stream fan (18) with a variable speed (vf) and a drum motor (28) for driving a laundry drum (12). The method comprises the steps of setting a predetermined course for the speed (vd) of the drum motor (28), maintaining the speed (vd) of the drum motor (28) according to the predetermined course for the speed (vd) of said drum motor (28), detecting a power (Pd) or a current absorbed by the drum motor (28), and controlling the speed (vf) of the fan motor (26) on the basis of the absorbed power (Pd) or current of the drum motor (28). The speed (vf) of the fan motor (26) increases with a decreasing absorbed power (Pd) or current of the drum motor (28) and/or the speed (vf) of the fan motor (26) decreases with an increasing absorbed power (Pd) or current of the drum motor (28).

A laundry appliance uses a determination of a frequency of compressor temperature response, refrigerant mass flow rate, or both to determine accumulation of lint in a filter. Based on the determination, various corrective actions can be taken including notifying the user, shutting off the appliance, initiating an automatic cleaning sequence for one or more lint filters, and combinations thereof.

Disclosed is a laundry treating apparatus including a cabinet, a drum, a fluid circulator including a compressor sensor, an air circulator including a fan, a driver including a first driver and a second driver, and a controller, wherein a drying operation includes an efficiency increasing process for increasing drying efficiency inside the drum, an efficiency maintaining process for maintaining the drying efficiency, and an efficiency decreasing process for reducing the drying efficiency, wherein the controller performs the drying operation while distinguishing the efficiency increasing process, the efficiency maintaining process, and the efficiency decreasing process from each other through a measured value of the compressor sensor.

Disclosed is a laundry treating apparatus including a cabinet, a drum, a fluid circulator, an air circulator including a humidity sensor, a driver, and a controller, wherein a drying operation includes an efficiency increasing process for increasing drying efficiency inside the drum, an efficiency maintaining process for maintaining the drying efficiency, and an efficiency decreasing process for reducing the drying efficiency, wherein the controller performs the drying operation while distinguishing the efficiency increasing process, the efficiency maintaining process, and the efficiency decreasing process from each other using a measured value of the humidity sensor.

Disclosed is a method for controlling a laundry treating apparatus including an efficiency increasing operation and an efficiency maintaining operation, wherein the efficiency increasing operation includes a first efficiency increasing operation, wherein the controller controls the first driver such that an RPM of the drum corresponds to a first drum RPM and controls the second driver such that an RPM of the fan corresponds to a first fan RPM to perform a first efficiency increasing process, and a second efficiency increasing operation, wherein, after the first efficiency increasing operation, the controller controls the first driver such that the RPM of the drum corresponds to the first drum RPM and controls the second driver such that the RPM of the fan corresponds to a second fan RPM higher than the first fan RPM to perform a second efficiency increasing process.

The present disclosure provides a flushing device and method for an evaporator of dryer, and a dryer. The flushing device comprises an evaporator, a water storage box and a condensate water pan for collecting condensate water, wherein an eccentric bucket is arranged between the water storage box and the evaporator, a supporting structure is arranged at two symmetrical sides of a periphery of the eccentric bucket, the supporting structure enables the eccentric bucket to turn over along with a change in the center of gravity of the eccentric bucket, a pipeline for conveying condensate water to the eccentric bucket is arranged between the eccentric bucket and the condensate water pan, an opening of the eccentric bucket is arranged upwards, and after the eccentric bucket is turned over, the opening of the eccentric bucket is aligned with the evaporator, such that condensate water in the eccentric bucket flushes the evaporator.