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:
Jul. 05, 2022
Filed:
Jun. 13, 2019
Applicant:
Marshall Electric Corp., Rochester, IN (US);
Inventors:
Thomas C. Marrs, Rochester, IN (US);
Donald Recupido, Argos, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); H01F 38/12 (2006.01); H01F 41/082 (2016.01); H01T 13/44 (2006.01); H01T 15/00 (2006.01); H01F 5/02 (2006.01);
U.S. Cl.
CPC ...
H01F 38/12 (2013.01); H01F 27/325 (2013.01); H01F 41/082 (2016.01); H01T 13/44 (2013.01); H01F 2005/022 (2013.01); H01T 15/00 (2013.01);
Abstract
An ignition coil has a ferromagnetic core with a primary coil surrounding a first portion of the ferromagnetic core and a secondary coil surrounding the second portion of the ferromagnetic core. The secondary coil is wrapped around a bobbin. The bobbin has an interior receiving the second portion of the ferromagnetic core. A form is interposed between the secondary coil and the second portion of the ferromagnetic core. The form extends longitudinally along the second portion of the ferromagnetic core. The form is of a non-ferrous metal material.