The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2014
Filed:
Nov. 10, 2009
Zhuonan Wang, Hitachi, JP;
Yuji Enomoto, Hitachi, JP;
Shigeki Morinaga, Hachioji, JP;
Ryoso Masaki, Narashino, JP;
Shigeho Tanigawa, Okegawa, JP;
Hiromitsu Itabashi, Tottori, JP;
Motoya Ito, Hitachinaka, JP;
Zhuonan Wang, Hitachi, JP;
Yuji Enomoto, Hitachi, JP;
Shigeki Morinaga, Hachioji, JP;
Ryoso Masaki, Narashino, JP;
Shigeho Tanigawa, Okegawa, JP;
Hiromitsu Itabashi, Tottori, JP;
Motoya Ito, Hitachinaka, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
An armature core includes a core portion formed of a lamination of plural non-crystalline metallic foil bands, wherein the armature core is provided with at least two cut surfaces with respect to the lamination layers. Amorphous metal is used as the iron base of the non-crystalline metallic foil bands. The cut surfaces are perpendicular to the lamination layers of the non-crystalline foil bands. Still further, the stator includes a stator core holding member in a disc form, the stator having a plurality of holes or recessions that are substantially in the same shape as a cross-sectional shape of the stator cores and wherein the stator cores are inserted in the holes or recessions of the stator core holding member and held by fixing in vicinities of respective central portions thereof, the central portions being with respect to the axial direction thereof.