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:
May. 15, 2018
Filed:
Nov. 30, 2015
Applicant:
Dkt Verwaltungs-gmbh, Sinsheim, DE;
Inventor:
Steffen Kuhnert, Heidelberg, DE;
Assignee:
DKT Verwaltungs-GmbH, Sinsheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/54 (2006.01); H01T 13/32 (2006.01); H01T 13/39 (2006.01);
U.S. Cl.
CPC ...
H01T 13/54 (2013.01); H01T 13/32 (2013.01); H01T 13/39 (2013.01);
Abstract
A pre-chamber spark plug for igniting a fuel-air mixture in an internal combustion engine, in particular a gasoline engine, comprises a spark plug body () having a pre-chamber housing () and a cap () which at least partially closes the pre-chamber (), and further comprises a ground electrode () in the spark plug body () as well as a central electrode () which protrudes into the pre-chamber (); the ground electrode () has an annular shape and, on the inner surface thereof, includes at least one ignition area () designed as a cam () as well as a radially inward extending protrusion () as a baffle ().