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Title:
手持ち電動工具
Document Type and Number:
Japanese Patent JP6507773
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power tool capable of realizing high performance of a brushless motor even if a wire diameter of a stator coil is limited.SOLUTION: A power tool comprises a brushless motor 9, and the brushless motor 9 has a plurality of phases connected in Δ, and includes a plurality of stator coils 9f connected in parallel to the respective phases. Assuming the length of a stator core 9d on the axial direction of the brushless motor 9 as L(mm), a no-load rotation speed of the brushless motor 9 as R(/min) and an effective value of driving voltage of the brushless motor 9 as V(V), Lmin

Inventors:
Hideyuki Tanimoto
Application Number:
JP2015061938A
Publication Date:
May 08, 2019
Filing Date:
March 25, 2015
Export Citation:
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Assignee:
Koki Holdings Co., Ltd.
International Classes:
B25F5/00; H02K1/12; H02K21/14; H02K29/08
Foreign References:
WO2013108726A1
Attorney, Agent or Firm:
Takashi Murai
Hiromi Murai



 
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