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:
Apr. 12, 2011
Filed:
Sep. 08, 2008
Martin Rauch, Bamberg, DE;
Thomas Kremer, Furth, DE;
Nicola Morelli, Herzogenaurach, DE;
Schaeffler Technologies GmbH & Co. KG, Herzogenaurach, DE;
Abstract
Valve controller for reciprocating piston internal combustion engines with at least two intake and/or exhaust gas-exchange valves for each piston/cylinder unit, wherein the gas-exchange valves are guided by valve stems in a cylinder head () of the reciprocating piston internal combustion engine, loaded in a closing direction by valve springs, and can be controlled via a common bridge () by an activation device, wherein the bridge () is guided over a sliding surface parallel to the movement of the gas-exchange valves, the bridge () has at least one hydraulic valve clearance compensation element (or) that connects to a gas-exchange valve, and a device is provided that prevents rotation of the bridge () about the sliding surface.