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Patent Searching and Data


Title:
MOTOR DRIVE DEVICE, ELECTRIC BLOWER, ELECTRIC VACUUM CLEANER, AND HAND DRYER
Document Type and Number:
WIPO Patent Application WO/2020/208788
Kind Code:
A1
Abstract:
A motor drive device (2) for driving a single-phase motor (12) comprises an inverter (11) that is disposed between a battery (10) and the single-phase motor (12), applies a first voltage to the single-phase motor (12) during start-up, and applies a second voltage to the single-phase motor (12) during normal operation. After the application of the first voltage, there is a stop period during which the application of the first voltage is stopped, and the inverter (11) applies the second voltage after the stop period has elapsed.

Inventors:
TAKAYAMA YUJI (JP)
MATSUO HARUKA (JP)
HATAKEYAMA KAZUNORI (JP)
Application Number:
PCT/JP2019/015854
Publication Date:
October 15, 2020
Filing Date:
April 11, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P25/04
Domestic Patent References:
WO2017077574A12017-05-11
WO2018073869A12018-04-26
Foreign References:
JP2006020498A2006-01-19
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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