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:
Jul. 08, 2008
Filed:
May. 22, 2006
Jorg Ballauf, Wettstetten, DE;
Jose Geiger, Hauset, BE;
Martin Winter, Aachen, DE;
FEV Motorentechnik GmbH, Aachen, DE;
Abstract
A reciprocating internal-combustion engine having at least two gas intake ports () with gas intake valves (), at least one gas exhaust port () with a gas exhaust valve () and at least one ignition device () per cylinder () is provided. The engine can also include a combustion chamber () formed by a cylinder cover () and a crown () of a piston (). A trough-shaped recess () can be provided in the piston crown () and is bounded by a trough base () and side walls (). The recess () can intersect a roof ridge () on the piston crown () and the trough base () slopes towards a fuel injection nozzle () and ends in a wall zone () extending steeply upwards on its side facing the fuel injection nozzle ().