Disclosed are a dryer and an operating method therefor that are useful in a 5G environment provided for the Internet of Things. The dryer of the disclosure includes a heating device, a tumbler connected to the exit of the heating device, a fan connected to the exit of the tumbler, a heat exchanger disposed in a flow line of a working fluid connected to the exit of the fan, a compressor having an entrance connected to a flow line connected to the exit of the fan and an exit connected to the entrance of the heat exchanger, and a regeneration device having an entrance connected to the exit of the heat exchanger.

A laundry treating apparatus may include a drum in which laundry is stored, an air flow passage through which air is circulated, and a heating duct configured to supply hot air to the drum. The air flow passage and heating duct may be configured to prevent or reduce or cooling or condensing of moisture in the circulated air. A steam compressor may be provided to compress some of the air flowing through the air flow passage.

A laundry treating apparatus may include a drum in which laundry is stored, an air flow passage through which air is circulated, and a heating duct configured to supply hot air to the drum. The air flow passage and heating duct may be configured to prevent or reduce or cooling or condensing of moisture in the circulated air. A steam compressor may be provided to compress some of the air flowing through the air flow passage.

A dryer includes a rotating drum; a lifter positionable on an inner surface of the rotating drum; an energy harvester positionable inside the lifter so that while the energy harvester is positioned inside the lifter, the energy harvester generates electric power as the rotating drum rotates while the lifter is positioned on the inner surface of the rotating drum; a humidity sensor positionable inside the lifter so that while the humidity sensor is positioned inside the lifter, the humidity sensor receives the electric power generated by the energy harvester and senses humidity; a circuit board positionable inside the lifter and on which the humidity sensor is disposed; and an air passage formed through the lifter so as to allow air inside the rotating drum to pass through the lifter. The humidity sensor senses the humidity according to air passing through the air passage of the lifter.

A dryer includes a rotating drum; a lifter positionable on an inner surface of the rotating drum; an energy harvester positionable inside the lifter so that while the energy harvester is positioned inside the lifter, the energy harvester generates electric power as the rotating drum rotates while the lifter is positioned on the inner surface of the rotating drum; a humidity sensor positionable inside the lifter so that while the humidity sensor is positioned inside the lifter, the humidity sensor receives the electric power generated by the energy harvester and senses humidity; a circuit board positionable inside the lifter and on which the humidity sensor is disposed; and an air passage formed through the lifter so as to allow air inside the rotating drum to pass through the lifter. The humidity sensor senses the humidity according to air passing through the air passage of the lifter.

A dryer appliance includes a cabinet and a drum rotatably mounted within the cabinet. The drum defines a chamber for the receipt of articles for drying. A door is movably mounted to the cabinet adjacent to an opening in the drum. The door is movable relative to the cabinet between an open position and a closed position. The chamber in the drum is accessible through the opening when the door is in the open position and the chamber is enclosed when the door is in the closed position. A liner is disposed within the chamber in the drum when the door is in the closed position. The liner may be porous. The liner may include an electron acceptor material and an electron donor material.

A dryer appliance includes a cabinet and a drum rotatably mounted within the cabinet. The drum defines a chamber for the receipt of articles for drying. A door is movably mounted to the cabinet adjacent to an opening in the drum. The door is movable relative to the cabinet between an open position and a closed position. The chamber in the drum is accessible through the opening when the door is in the open position and the chamber is enclosed when the door is in the closed position. A liner is disposed within the chamber in the drum when the door is in the closed position. The liner may be porous. The liner may include an electron acceptor material and an electron donor material.

A method for drying laundry with a radio frequency (RF) generator connected to an applicator and a rotatable cylindrical drum having a pair of non-anode baffles and a third baffle comprising an anode element positioned between the pair of non-anode baffles and a first cathode element disposed between the third baffle and one of the pair of non-anode baffles and a second cathode disposed between the third baffle and the other of the pair of non-anode baffles. The method comprises rotationally positioning the drum such that laundry is positioned between the anode element within the third baffle and the pair of non-anode baffles, energizing the RF applicator for a time period to generate a field of electromagnetic radiation (e-field) within the radio frequency spectrum between the anode element and the at least one of the first and second cathode elements such that liquid in laundry residing within the e-field will be dielectrically heated to effect a drying of the laundry during the time period, rotating the drum to redistribute laundry, and repeating the positioning the drum and energizing the RF applicator.

A method for drying laundry with a radio frequency (RF) generator connected to an applicator and a rotatable cylindrical drum having a pair of non-anode baffles and a third baffle comprising an anode element positioned between the pair of non-anode baffles and a first cathode element disposed between the third baffle and one of the pair of non-anode baffles and a second cathode disposed between the third baffle and the other of the pair of non-anode baffles. The method comprises rotationally positioning the drum such that laundry is positioned between the anode element within the third baffle and the pair of non-anode baffles, energizing the RF applicator for a time period to generate a field of electromagnetic radiation (e-field) within the radio frequency spectrum between the anode element and the at least one of the first and second cathode elements such that liquid in laundry residing within the e-field will be dielectrically heated to effect a drying of the laundry during the time period, rotating the drum to redistribute laundry, and repeating the positioning the drum and energizing the RF applicator.

A dryer appliance includes an impeller assembly for drawing a fluid from a reservoir assembly and directing the fluid into a drying chamber to treat articles for drying. The impeller assembly includes a spindle that drives the impeller. The spindle is rotated by a roller which itself is rotated through contact with the dryer appliance's rotating drum. The reservoir assembly is filled with a clothing treatment liquid. Negative pressure generated by operation of the impeller assembly draws fluid from the reservoir through a siphon and the fluid is delivered to a fluid distribution element directed into the drying chamber.