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.

Date of Patent:
Jan. 19, 2010

Filed:

Feb. 20, 2007
Applicants:

Kentaro Fukui, Sakura, JP;

Akira Kabasawa, Shimotsuke, JP;

Inventors:

Kentaro Fukui, Sakura, JP;

Akira Kabasawa, Shimotsuke, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

An insulation structure of rotary electrical machinery which electrically insulates teeth of a stator from a winding wound on the teeth includes: an insulator made from hard insulation material, disposed on both axial ends of the teeth, and having a side wall disposed along a side surface of the teeth crossing to a circumferential direction thereof, and a high-heat-conductive electrical-insulation resin sheet disposed along the side surface of the teeth and insulating the teeth from the winding, wherein an axial end portion of the high-heat-conductive electrical-insulation resin sheet is disposed between the side wall of the insulator and the side surface of the teeth and is stacked on the side wall in a prescribed axial extent.


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