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Patent Searching and Data


Title:
ROTOR AND MOTOR
Document Type and Number:
Japanese Patent JP2019201495
Kind Code:
A
Abstract:
To provide a rotor and a motor capable of reducing the number of commutator pieces.SOLUTION: The rotor 12 includes: a shaft 121; a rotor core 122 provided with eight teeth 122a so as to extend toward outside in a radial direction from the shaft 121; four coils 123 formed by storing three teeth 122a inside and winding an electric wire 123a; and a commutator 124 in which four commutator pieces 124a are arranged around an axis 121a of the shaft 121. The coils 123 are formed so that the electric wire 123a for one coil can be stored in a wire slot 122b formed between the two teeth 122a. Both ends of the coils 123 are connected to any pair of commutator pieces 124a in the commutator 124.SELECTED DRAWING: Figure 4

Inventors:
WAKITA TADAYUKI
Application Number:
JP2018095189A
Publication Date:
November 21, 2019
Filing Date:
May 17, 2018
Export Citation:
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Assignee:
MABUCHI MOTOR CO
International Classes:
H02K23/26; H02K23/04
Domestic Patent References:
JP2007282500A2007-10-25
JPH10248226A1998-09-14
JP2010028924A2010-02-04
JPH11308796A1999-11-05
JP2003047224A2003-02-14
Attorney, Agent or Firm:
Fumio Takino
Toshiaki Tsuda
Yasuhiro Fukuda