Title:
ROTARY ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/003735
Kind Code:
A1
Abstract:
Provided is a rotary electrical machine comprising a housing for accommodating the rotary electrical machine and which is for separating the natural frequency of a natural vibration mode of the entire housing and an excitation force frequency, is simple, and does not readily degrade over time, said rotary electrical machine characterized in that the housing comprises, in a housing fixing surface, a fastening bolt insertion hole into which a fastening bolt is inserted in order to fasten the housing to a frame or a base, and holes for adjusting the rigidity around the fastening bolt insertion hole.
Inventors:
YABATA KIYOSHI (JP)
IMURA MAKOTO (JP)
SUGIMOTO KENICHI (JP)
KOYAMA TAKAYUKI (JP)
YAMAGUCHI KAZUYUKI (JP)
IMURA MAKOTO (JP)
SUGIMOTO KENICHI (JP)
KOYAMA TAKAYUKI (JP)
YAMAGUCHI KAZUYUKI (JP)
Application Number:
PCT/JP2017/023363
Publication Date:
January 04, 2018
Filing Date:
June 26, 2017
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H02K5/24
Foreign References:
| JPH0690540A | 1994-03-29 | |||
| JPH07231492A | 1995-08-29 | |||
| JP2014156879A | 2014-08-28 |
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, P.C. (JP)
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