Title:
LAUNDRY TREATMENT MACHINE AND CONTROLLING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/009536
Kind Code:
A1
Abstract:
The present invention relates to a laundry treatment machine, which controls a pump motor, provided in a drainage pump, in response to an operation and water level of a main motor, so that the pump motor reduces the speed, according to a rotational speed and the water level of the main motor, so that the operation can maintain at low speed, whereby the pump motor maintains an operation state without pausing the operation, thereby reducing noise caused by the starting of the motor, reducing the rotor alignment time of the motor, reducing the drainage time, and improving the drainage performance of the drainage pump.
Inventors:
PARK WONSEOK (KR)
KIM JUNSUNG (KR)
LEE KIWOOK (KR)
KIM JUNSUNG (KR)
LEE KIWOOK (KR)
Application Number:
PCT/KR2019/008295
Publication Date:
January 09, 2020
Filing Date:
July 05, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
D06F33/42; D06F34/10; D06F39/08
Foreign References:
| JPH10272284A | 1998-10-13 | |||
| US20070113595A1 | 2007-05-24 | |||
| KR19990026926A | 1999-04-15 | |||
| KR20110013172A | 2011-02-09 | |||
| KR20110112486A | 2011-10-13 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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