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. 07, 2005
Filed:
Jul. 02, 2002
Hans Weickel, Mannheim, DE;
Karl Stellwagen, Frankenthal, DE;
Olaf Berger, Waldsee, DE;
Deutz Aktiengessellschaft, Cologne, DE;
Abstract
The invention relates to a method for operating an internal combustion engine, and air/gas mixture being introduced into the working chamber thereof and ignited by means of an ignition system. The above is carried out whereby the air/gas mixture is at least temporarily enriched. A channel () is let into the cylinder head () from a cylinder head external wall into the working chamber () or a pre-combustion chamber and a gas or a gas/air mixture may be introduced in a controlled manner into the working chamber () or the pre-combustion chamber, by means of said channel (). According to the invention, the above embodiment or method permits the cycle variations in the combustion pressure to be avoided.