Title:
ROTARY MACHINE
Document Type and Number:
Japanese Patent JP2020048290
Kind Code:
A
Abstract:
To provide a rotary machine for suppressing occurrence of electric corrosion in a ball bearing by taking measures focusing on impedance when being operated with AC power.SOLUTION: A motor 10 includes: a bracket 11; a stator core 18 and a coil 19 fixedly disposed inside the bracket 11; a rotor 35 rotating inside the stator core 18; a shaft 20 rotating together with the rotor 35; a ball bearing 21 disposed between the shaft 20 and the bracket 11; and a front bearing holder 14 for protecting the ball bearing 21 mounted onto a side surface of the bracket 11. An insulating sheet 30 is arranged between the bracket 11 and a front bearing holder 14.SELECTED DRAWING: Figure 2
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Inventors:
TAKADA TOYORO
KUNIMATSU HIDEAKI
YAMAGUCHI TOSHIHIRO
KUNIMATSU HIDEAKI
YAMAGUCHI TOSHIHIRO
Application Number:
JP2018173912A
Publication Date:
March 26, 2020
Filing Date:
September 18, 2018
Export Citation:
Assignee:
KUSATSU ELECTRIC CO LTD
SANWAELECTRIC CO LTD
SANWAELECTRIC CO LTD
International Classes:
H02K5/16
Attorney, Agent or Firm:
Yoshitaka Okada
Takashi Okada
Shimo Shigeki
Takashi Okada
Shimo Shigeki