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Patent Searching and Data


Title:
VACUUM CLEANER AND METHOD FOR CONTROLLING SAME
Document Type and Number:
WIPO Patent Application WO/2022/139553
Kind Code:
A1
Abstract:
A vacuum cleaner according to an embodiment of the present specification comprises: a motor for generating a suction force; an inverter for converting DC power of a DC-link capacitor to AC power and outputting the AC power to the motor; and a control unit for applying a control signal for the inverter to drive the motor, wherein the control unit senses an event during the driving of the motor and generates the control signal such that operation noise of the motor corresponding to the sensed event is generated. According to an embodiment of the present specification, it is possible to provide information to a user without a separate element by controlling the pattern of driving of the motor in the vacuum cleaner.

Inventors:
JUNG HAN SU (KR)
CHO SEOK HEE (KR)
LEE SOONG KEUN (KR)
Application Number:
PCT/KR2021/019855
Publication Date:
June 30, 2022
Filing Date:
December 24, 2021
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L9/28; A47L9/22; H02J7/00; H02K11/33; H02P21/00; H02P27/08
Foreign References:
KR20170041413A2017-04-17
KR20180046259A2018-05-08
JP2006136381A2006-06-01
JP6314098B22018-04-18
JP2020000600A2020-01-09
KR20180046259A2018-05-08
Attorney, Agent or Firm:
LEE & KO IP (KR)
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