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:
Sep. 07, 1993
Filed:
Sep. 03, 1992
Applicant:
Inventors:
Robert L Hancock, Ann Arbor, MI (US);
Steven E Pritz, Westland, MI (US);
Robert C Bauman, Flat Rock, MI (US);
Shawn J Nowlan, Ypsilanti, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
123634 ; 336110 ;
Abstract
An ignition coil having annular primary and secondary coils, the primary coil wound around a central core member and including a permanent magnet made of a magnetic material that is less than fully dense, and is interposed between one end of the central core member and one end of a C-shaped iron core surrounding the primary and secondary coil assembly and assuring the elimination of any air gap between the C-shaped iron core and the central core member.