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:
Jun. 06, 2023
Filed:
Apr. 08, 2019
Applicant:
Borgwarner Ludwigsburg Gmbh, Ludwigsburg, DE;
Inventors:
Michael Haussner, Benningen, DE;
Martin Allgaier, Ludwigsburg, DE;
Assignee:
BorgWarner Ludwigsburg GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23Q 7/00 (2006.01);
U.S. Cl.
CPC ...
F23Q 7/001 (2013.01); F23Q 2007/004 (2013.01);
Abstract
This document describes a heating rod for a glow plug with a ceramic glow element having a glow tip at its front end and a connector portion at its rear end, a contact element making electrical contact with the connector portion of the glow element, and a sheath, from which the front end of the glow element protrudes. According to this disclosure, the contact element is pressed against the glow element under pre-tension. Furthermore, this document describes a method for producing such a heating rod and a glow plug with such a heating rod.