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:
May. 15, 1990
Filed:
Sep. 08, 1989
Applicant:
Inventors:
Shigemi Ito, Kariya, JP;
Katsunori Narita, Chiryu, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336 90 ; 336 92 ; 336 96 ; 336 98 ; 336198 ;
Abstract
An ignition coil assembly for internal combustion engine has a voltage withstanding air gap of a predetermined shape and an insulating resin cover for covering the external iron core provided in addition to resin mold and partitioning wall in order to electrically insulate from the secondary coil the external iron core constituting a magnetic path together with the internal iron core.