Title:
CORE FOR ROTATING MACHINE, METHOD OF MANUFACTURING THE SAME, PIECE FOR CORE, AND ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2000/072426
Kind Code:
A1
Abstract:
A core for a rotating machine in which the rate of use of an iron core material of a stator of the rotating machine, and most suitable materials are respectively used for a part where high magnetic density is required and a part where it is not required. A core (2) for a rotating machine has a core back part (22) and teeth parts (21). The core back part (22) and the teeth parts (21) are provided separately. The core back part (22) has teeth connecting parts (221) for connecting the teeth parts on the inner circumference side. The base ends (213) of the teeth parts (21) are fitted to the teeth connecting parts (221) to connect the teeth parts (21) to the core back part (22). The core back part (22) has a structure of a stack of rings in which pieces (220) are continuously connected in a ring shape.
Inventors:
ENOMOTO YUJI (JP)
TANEDA YUKINORI (JP)
YAMAMOTO NORIAKI (JP)
ISHIGAMI TAKASHI (JP)
SAKAI TOSHIHIKO (JP)
SHIBUKAWA SUETARO (JP)
SENOH MASAHARU (JP)
TANEDA YUKINORI (JP)
YAMAMOTO NORIAKI (JP)
ISHIGAMI TAKASHI (JP)
SAKAI TOSHIHIKO (JP)
SHIBUKAWA SUETARO (JP)
SENOH MASAHARU (JP)
Application Number:
PCT/JP2000/002975
Publication Date:
November 30, 2000
Filing Date:
May 10, 2000
Export Citation:
Assignee:
HITACHI LTD (US)
ENOMOTO YUJI (JP)
TANEDA YUKINORI (JP)
YAMAMOTO NORIAKI (JP)
ISHIGAMI TAKASHI (JP)
SAKAI TOSHIHIKO (JP)
SHIBUKAWA SUETARO (JP)
SENOH MASAHARU (JP)
ENOMOTO YUJI (JP)
TANEDA YUKINORI (JP)
YAMAMOTO NORIAKI (JP)
ISHIGAMI TAKASHI (JP)
SAKAI TOSHIHIKO (JP)
SHIBUKAWA SUETARO (JP)
SENOH MASAHARU (JP)
International Classes:
H02K1/18; H02K1/02; H02K1/14; H02K3/18; H02K15/02; (IPC1-7): H02K1/18
Foreign References:
| JPH0767272A | 1995-03-10 | |||
| JPH0984326A | 1997-03-28 | |||
| JPH09308192A | 1997-11-28 | |||
| JPH05316694A | 1993-11-26 | |||
| US4392073A | 1983-07-05 | |||
| JPH06311675A | 1994-11-04 | |||
| JPH09308143A | 1997-11-28 | |||
| JPS5765044U | 1982-04-17 | |||
| JPH0428773U | 1992-03-06 | |||
| JPH0919089A | 1997-01-17 | |||
| JPS5976131A | 1984-05-01 | |||
| JPH08275469A | 1996-10-18 | |||
| JPH07194072A | 1995-07-28 | |||
| JPH10271716A | 1998-10-09 | |||
| JPH01198253A | 1989-08-09 |
Attorney, Agent or Firm:
Sakuta, Yasuo (Ltd. 5-1, Marunouchi 1-chome Chiyuda-ku Tokyo, JP)
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