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. 15, 2005
Filed:
Mar. 08, 2002
Applicants:
Leo Spiegel, Valhingen/Enz, DE;
Günter Sōhlke, Gifhom, DE;
Gerrit Suck, Lehrte, DE;
Inventors:
Assignee:
Volkswagen, AG, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B075/08 ;
U.S. Cl.
CPC ...
Abstract
An internal combustion engine, especially an Otto engine, with intake valves and with a fuel injector, which is arranged and designed so that it injects the fuel directly into a combustion chamber of working cylinders of the internal combustion engine. At least in the region of the neck, the intake valves have a surface that is designed to counteract the formation of carbon deposits.