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:
Mar. 18, 2014
Filed:
Nov. 30, 2009
Applicants:
Yujiro Suwa, Commerce Township, MI (US);
Ronald M. Wozniak, Auburn Hills, MI (US);
Inventors:
Yujiro Suwa, Commerce Township, MI (US);
Ronald M. Wozniak, Auburn Hills, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T 13/02 (2006.01); H01T 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vehicle ignition system is provided that alleviates the problems associated with excessive voltage demand by spark plugs. The ignition system has a spark plug with an electrode and a voltage relief feature operatively connected with the electrode. The voltage relief feature is operable to discharge current from the electrode at a predetermined voltage.