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:
Aug. 02, 1988
Filed:
May. 05, 1987
Applicant:
Inventors:
Masatoshi Watanabe, Hitachi, JP;
Miyoshi Takahashi, Hitachi, JP;
Masaki Sato, Hitachi, JP;
Motoya Ito, Katsuta, JP;
Keiji Arai, Kitaibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310214 ; 310 43 ; 335303 ; 336178 ;
Abstract
A magnetic wedge for use in an electromagnetic device, arranged at the opening portion of a core slot for receiving a winding, comprising a magnetic member consisting of a group of magnetic strips arranged in non-contact from one another and at a predetermined inclination angle for the depth direction of the core slot, and a plastic member for molding said magnetic member. Such a construction of the wedge permits the magnetic property at the opening portion of a core slot to be improved.