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:
Jan. 13, 2015
Filed:
Nov. 20, 2013
Federal-mogul Ignition Company, Southfield, MI (US);
William J. Walker, Jr., Toledo, OH (US);
Federal-Mogul Ignition Company, Southfield, MI (US);
Abstract
A spark plug () for igniting a mixture of fuel and air of an internal combustion engine comprises a center electrode () and a ground electrode (). At least one of the electrodes () includes a body portion () formed of thermally conductive material and a firing tip () disposed on the body portion (). The firing tip () includes a ceramic material, providing an exposed firing surface (). The ceramic material is an electrically conductive, monolithic ceramic material. Examples of preferred ceramic materials include titanium diboride, silicon carbide, ternary carbide, and ternary nitride. The ceramic material can also include oxides, borides, nitrides, carbides, silicides, or MAX phases.