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:
Jan. 07, 2003
Filed:
Sep. 04, 2001
Tomoya Tsunoda, Hitachi, JP;
Keiichi Morikawa, Komae, JP;
Mitsuru Onoda, Takahagi, JP;
Shigeo Amagi, Naka-gun, JP;
Tatsuo Honda, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In order to provide windings for electrical rotating machines having an insulating film superior in electrical characteristics, a high heat conductive insulating film is formed at outer periphery of wound conductor using a high heat conductive insulating tape, which includes a mica layer a reinforcement layer and a high heat conductive filler layer wherein the resin content in each layer of the mica layer and the high heat conductive filler layer is specified in the range of 10-25% by weight based on the whole weight of the material. 1-80% by weight of said filler is spherical.