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. 29, 1995
Filed:
May. 18, 1993
Applicant:
Inventor:
Tsugio Onodera, Sawa, JP;
Assignee:
Mitsuba Electric Manufacturing Co. Ltd., Gunma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 45 ; 336205 ; 427116 ;
Abstract
A composition for the copper armature coil of a electric motor which can withstand crack generation due to great temperature differentials by setting the coefficient of thermal expansion of the composition to a value between the coefficients of thermal expansion of both iron and copper.