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Patent Searching and Data


Title:
ELECTRIC CONTACT DEVICE AND ROTATING ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2020068653
Kind Code:
A
Abstract:
To provide a technique capable of obtaining an effect of reducing electromagnetic noise generated during arc discharge in an electric contact device in a wide frequency band.SOLUTION: A rotating electric machine 1 includes an electric contact device 30 having a high-potential side contact and a low-potential side contact having mutually different electric potentials, and all of a plurality of commutator pieces 32 and two brushes 35 and 36 constituting the electric contact device 30 are composed of zinc as a low boiling material with a boiling point below 2562°C.SELECTED DRAWING: Figure 1

Inventors:
SHIMIZU SHINGO
NOSU TAKAHIRO
ADACHI YOSHIHIRO
HONDA TETSUYA
Application Number:
JP2019166599A
Publication Date:
April 30, 2020
Filing Date:
September 12, 2019
Export Citation:
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Assignee:
SOKEN INC
DENSO CORP
International Classes:
H02K13/00; H01R39/24
Attorney, Agent or Firm:
Aichi International Patent Office