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:
Dec. 02, 2003
Filed:
Feb. 10, 2003
Markus Duesmann, Stolberg, DE;
Joachim Hahn, Aachen, DE;
FEV Motorentechnik GmbH, Aachen, DE;
Abstract
A piston-type internal-combustion engine having deactivatable, mechanically actuated cylinder valves that are respectively actuated by at least one camshaft via a roller drag lever ( ) comprising two partial levers ( ) that are hinged to one another via an articulated shaft ( ), on which the roller ( ) associated with a cam ( ) of the camshaft is rotatably seated. A locking mechanism ( ) is provided to selectively couple or decouple the two partial levers ( ) to activate or deactivate the force transmission between the camshaft and the cylinder valve. The free end of one partial lever ( ) is supported on the cylinder valve ( ), and the free end of the other partial lever ( ) is supported on the engine block ( ).