Laundry dryer and method for controlling the same
First Claim
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1. A method for controlling a dryer, comprising:
- pre-heating an inside of a drum, comprising initiating operation of a heater of a steam generator, and thereafter initiating operation of a hot air heater in a pre-heating mode, and supplying hot air generated by the hot air heater to the drum for a predetermined drum heating period as the heater of the steam generator heats water received in the steam generator;
supplying steam generated by the steam generator into the drum when the water received in the steam generator reaches a predetermined steam temperature; and
operating the hot air heater in a drying mode and supplying hot air generated by the hot air heater into the drum, wherein the heater of the steam generator is operated while the hot air heater is operated in the pre-heating mode to pre-heat the inside of the drum, and wherein initiating operation of the hot air heater in the pre-heating mode comprises operating the hot air heater at a predetermined power level that is lower than a rated power level of the hot air heater.
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Abstract
A dryer and a method for controlling the same are provided. The method for controlling a dryer includes supplying steam generated in a steam generator to a drum, and supplying hot air generated in a hot air heater to the drum. The method has an advantageous effect of removing wrinkles efficiently.
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Citations
19 Claims
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1. A method for controlling a dryer, comprising:
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pre-heating an inside of a drum, comprising initiating operation of a heater of a steam generator, and thereafter initiating operation of a hot air heater in a pre-heating mode, and supplying hot air generated by the hot air heater to the drum for a predetermined drum heating period as the heater of the steam generator heats water received in the steam generator; supplying steam generated by the steam generator into the drum when the water received in the steam generator reaches a predetermined steam temperature; and operating the hot air heater in a drying mode and supplying hot air generated by the hot air heater into the drum, wherein the heater of the steam generator is operated while the hot air heater is operated in the pre-heating mode to pre-heat the inside of the drum, and wherein initiating operation of the hot air heater in the pre-heating mode comprises operating the hot air heater at a predetermined power level that is lower than a rated power level of the hot air heater. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for controlling a dryer, comprising:
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pre-heating an inside of a drum, comprising; initiating operation of a heater of a steam generator and then initiating operation of a hot air heater in a pre-heating mode and simultaneously operating the heater of the steam generator and the hot air heater until the steam generator heats water received in the steam generator to a predetermined steam temperature; and thereafter stopping operation of the hot air heater in the pre-heating mode and continuing operation of the heater of the steam generator and supplying steam generated during the simultaneous operation of the heater of the steam generator and the hot air heater to a drum; and thereafter initiating operation of the hot air heater in a drying mode and supplying hot air generated by the hot air heater to the drum.
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Specification