Clothes drying machine comprising a drum holding the clothes to be dried, a first fan adapted to blow a first flow of drying air through said drum, and possibly a condenser adapted to condense the moisture out of the drying air exiting said drum. The machine is provided with a drying program that includes a step involving an increase in the temperature of the air introduced in said drum, in which said temperature is increased to a value of at least 130 C. and held there for a pre-set period of time, and said temperature increase step is provided in the initial portion of the drying program, when the moisture content of the clothes is not less than 20%.

A laundry dryer (1) has a laundry drum (3) which is designed to rotate about an longitudinal axis (6). An air recirculating conduit (10) is connected to the laundry drum (3). A heater device (10) is located along air recirculating conduit (10) to heat the airflow. A rotatable fan (11) is located along air recirculating conduit (10) to produce an airflow flowing through drum (3). The fan (11) is designed to be rotated in a main and secondary direction of rotation for providing different air flow rates. An electric motor (14) is mechanically connected with the fan (11) and the drum (3) for rotating the fan (11) and drum (3), simultaneously. The home laundry dryer (1) further has electric control means (18) configured to control the electric motor (14) so as to cause: the drum (3) to rotate at a first rotational speed (v1) in a forward direction of rotation, thereby resulting in the fan (11) being rotated in the main direction of rotation for providing a first air flow rate; or the drum (3) to rotate at a second rotational speed (v2) greater than said first rotational speed (v1) in a reverse direction of rotation, thereby resulting in the fan (11) being rotated in the secondary direction of rotation for providing a second air flow rate lower than the first air flow rate.

A method of controlling a rotatable-drum laundry drier to dry delicate laundry in a drum of the rotatable-drum laundry drier. The method includes the steps of feeding drying air into the drum; rotating the drum at a variable rotation speed about an axis of rotation; rotating the drum at a first rotation speed higher than, or equal to a rotation speed, at which centrifugal acceleration of the inner surface of the drum equals gravitational acceleration; making interruptions in rotation of the drum at the first rotation speed; and performing, at each interruption, one or more rotation cycles at a second rotation speed, so that, at each cycle, at least part of the laundry slides/tumbles slowly inside the drum while remaining in contact with the inner surface of the drum and/or another part of the laundry contacting the drum.

A method is provided for operating a clothes drying appliance, wherein a moisture content of clothes is determined by measuring a current running through the clothes and wherein the determining takes into account a salt content of the moisture. The clothes drying appliance is adapted to perform the method.

A tumble dryer (100) is provided having: a laundry drum (102) rotatably supported in a casing (110) and suitable to receive laundry to be dried. A lint filter assembly (1) can be housed in a housing (105) provided in the casing (110) so that, when the lint filter assembly (1) is placed in the housing (105), it intercepts a flow of air exiting the laundry drum (102). A humidity sensor system retrieves information about the actual humidity of the laundry in the drum (102) and has at least a pair of electrodes (20) positioned such that the laundry in the drum (102) can come into contact with the electrodes (20). A control unit (150) controls the operations of the tumble dryer; and an electric circuit (21, 22, 23) transmits a signal obtained from the electrodes (20) to the control unit (150). The electric circuit (21, 22, 23) has at least one electrical connector (22, 23) arranged in such a way to electrically connect the electrodes (20) to the control unit (150) when the filter assembly (1) is correctly positioned in the housing (105) and not to connect the electrodes (20) to the control unit (150) when the filter assembly (1) is not positioned or not correctly positioned in the housing (105).

Dryer appliances and methods are provided. A method includes receiving during rotation of a drum of the dryer appliance a voltage signal which corresponds to a moisture level within a chamber of the drum, and determining whether the voltage signal corresponds to a predetermined drying profile of a plurality of predetermined drying profiles. The method further includes applying a drying sequence which corresponds to one of the plurality of predetermined drying profiles when the voltage signal corresponds to the one of the plurality of predetermined drying profiles. The method further includes determining whether the voltage signal corresponds to a wet patch indicator, and reversing a direction of rotation of the drum when the voltage signal corresponds to the wet patch indicator.

A laundry treating apparatus includes 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. 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. 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.

A dryer including: a drum; a duct connected to the drum; a compressor connected to an evaporator and a condenser provided inside the duct; a heater provided inside the duct; a fan provided inside the duct; a motor to rotate the fan; and a controller configured to perform a first operation of operating the compressor, the heater, and the motor based on no object being inside the drum, and a second operation of operating the heater and the motor without operating the compressor. The dryer may sterilize the inside of the dryer, particularly, a flow path through which humid air passes.

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.

A method for controlling a laundry treating apparatus includes an air supplying step of supplying heated air to the drum through the heat exchange part and a first motion executing step executed while the air supplying step is in progress. The first motion executing step alternately executes a first acceleration mode of rotating the drum at an rpm inducing a centrifugal force equal to or greater than 1G along one of a clockwise direction and a counterclockwise direction and a first deceleration mode of rotating the drum at an rpm inducing a centrifugal force smaller than 1G in a direction equal to a rotational direction set for the first acceleration mode.