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. 16, 2003
Filed:
Nov. 20, 2001
Albrecht Geissinger, Muehlacker, DE;
Gert Lindemann, Lichtenstein, DE;
Christoph Haluschka, Klingenberg, DE;
Thomas Nething, Leonberg, DE;
Wolfgang Dressler, Vaihingen/Enz, DE;
Friederike Lindner, Gerlingen, DE;
Horst Boeder, Sindelfingen, DE;
Matthias Rowek, Goeppingen, DE;
Wolfgang Otterbach, Stuttgart, DE;
Christoph Kern, Aspach, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A ceramic sheathed-element glow plug is proposed in which a metallic tubular holder holds a ceramic U-shaped heating device in a cantilevered fashion at its combustion chamber side end and has a terminal stud for applying a voltage to the ceramic heating device on the end remote from the combustion chamber. At its end enclosed by the holder, the ceramic heating device has a segment of greatest diameter and is coated with an insulating layer which has recesses for an electrical contacting. One recess is provided at the end of the ceramic heating device remote from the combustion chamber and a second recess is provided on the external wall of the ceramic heating device. A for an electrically conductive sealing compound is provided between the external wall of the ceramic heating device and the internal wall of the holder.