Title:
ELECTRIC WORK MACHINE
Document Type and Number:
Japanese Patent JP2023006092
Kind Code:
A
Abstract:
To downsize a sensor board.SOLUTION: An electric work machine includes: a stator including a stator core including a plurality of teeth, an insulator fixed to the stator core, coils each wound around a corresponding tooth of the plurality of teeth with the insulator in between; a rotor rotatable about a rotation axis and including a rotor core and a magnet fixed to the rotor core; a magnetic sensor that detects the magnet; a sensor board that supports the magnetic sensor; and an output unit drivable by the rotor. The coil includes a first phase coil, a second phase coil, and a third phase coil. Two mutually adjacent first coil pairs and second coil pairs are composed, and a third coil pair is composed. The magnetic sensor includes a first magnetic sensor arranged at a position same as at least a portion of the first coil pair, a second magnetic sensor arranged in a position same as at least a portion of the second coil pair, and a third magnetic sensor arranged in a position same as at least a portion of the third coil pair.SELECTED DRAWING: Figure 2
Inventors:
INUZUKA JUNYA
Application Number:
JP2021108492A
Publication Date:
January 18, 2023
Filing Date:
June 30, 2021
Export Citation:
Assignee:
MAKITA CORP
International Classes:
H02K29/08; H02K11/30
Attorney, Agent or Firm:
Sakai International Patent Office
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