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:
Oct. 14, 2014
Filed:
Sep. 03, 2008
Alfred Elsässer, Keltern, DE;
Hermann Hoffmann, Stuttgart, DE;
Sascha Senjic, Ostfildern, DE;
Peter Wieske, Korntal-Münchingen, DE;
Alfred Elsässer, Keltern, DE;
Hermann Hoffmann, Stuttgart, DE;
Sascha Senjic, Ostfildern, DE;
Peter Wieske, Korntal-Münchingen, DE;
Mahle International GmbH, , DE;
Abstract
A piston engine, having at least one cylinder that includes at least a first and a second discharge valve and a double overhead camshaft for controlling the first and a second discharge valves. The double overhead camshaft includes both an inner shaft, which has at least one first cam for controlling the first discharge valve, and an outer shaft that is coaxial to the first inner shaft and has at least one second cam for controlling the second discharge valve. The inner shaft and the outer shaft are rotationally adjustable relative to one another changing the discharge time frame of the discharge valves.