US 2021/0277586 A1 · LAUNDRY DRYING MACHINE AND CONTROLLING METHOD OF LAUNDRY DRYING MACHINE

Abstract

Disclosed herein is a method of controlling a laundry dryer for generating high-temperature steam through a steam part and controlling each of rotation of a drum and rotation of a circulation fan. The method includes a steam drying procedure drying operation of increasing an internal temperature of the drum to dry an object to be dried, a steam drying procedure steam supply operation of supplying steam into the drum after the steam drying procedure drying operation, and a re-drying operation of supplying hot air into the drum after the steam drying procedure steam supply operation. When steam is sprayed from the steam part, the rotation of the drum is maintained, the rotation of the circulation fan is stopped, such that the steam is evenly supplied to the object to be dried, damage to the object is prevented, and sterilization of the object is enhanced.

Claims20

Dependent claims

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.

7 more elements

Dependencies are inferred from the claim text.

Laundry drying machine and controlling method of laundry drying machine

Life of this patent

Laundry drying machine and controlling method of laundry drying machine

Life of this patent

Abstract

Claims20