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Patent Searching and Data


Title:
HAIR DRYER
Document Type and Number:
Japanese Patent JP2017085878
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a low cost and reliable hair dryer.SOLUTION: The hair dryer includes a housing and a heating unit, an air supply unit and a circuit board disposed inside the housing. The air supply unit includes an impeller and a single phase DC brushless motor for driving the impeller. The single phase DC brushless motor includes a stator and a rotor rotatable with respect to the stator. The stator includes a stator core and a single-phase winding wound on the stator core. The rotor includes a shaft and a permanent magnet fixed on the shaft. A power supply terminal for connecting to an external power supply and an inverter for supplying an alternating current to the single phase winding are arranged on the circuit board. The input voltage of the inverter does not fall below the input voltage of the power supply terminal.SELECTED DRAWING: Figure 4

Inventors:
MA HAI BO
LUO YU DONG
NG KA LUNG
LIANG YU QUAN
Application Number:
JP2016199769A
Publication Date:
May 18, 2017
Filing Date:
October 11, 2016
Export Citation:
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Assignee:
JOHNSON ELECTRIC SA
International Classes:
H02P25/03; A45D20/10; H02K11/33
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Fumiaki Otsuka
Hiroyuki Suda
Hiroshi Uesugi
Naoki Kondo