Patent ID: 11859342
Assignee: LG ELECTRONICS INC.
Field: Other consumer goods (Other fields)
Classification: CPC D | IPC D

Claim 13:
14. A laundry dryer comprising:
a cabinet that defines an exterior of the laundry dryer;
a drum rotatably disposed inside the cabinet and configured to receive an object to be dried;
a duct part configured to guide air discharged from the drum and to supply the air to the drum;
a circulation fan configured to move the air along the duct part;
a heat exchanger disposed at the duct part and configured to perform heat exchange with the air guided along the duct part;
a compressor configured to compress refrigerant that is configured to exchange heat with the air guided along the duct part;
a steam part configured to generate steam and to supply the steam into the drum; and
a controller configured to control the drum, the circulation fan, the compressor, and the steam part,
wherein the controller is configured to:
while supplying the steam into the drum through the steam part, rotate the drum and stop rotation of the circulation fan,
rotate the circulation fan after supplying water from a water supplier to the steam part,
rotate the circulation fan at a preset first drying speed for a preset drying time, and then accelerate the circulation fan to a preset second drying speed, and
based on a temperature of the compressor being greater than or equal to a preset drying temperature, increase a rotational speed of the circulation fan from the preset second drying speed to a preset third drying speed.