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:
May. 20, 2014
Filed:
Jun. 01, 2011
Applicants:
Andreas Kufner, Erlangen, DE;
Michael Berger, Berching, DE;
Calin Petru Itoafa, Hoechstadt, DE;
Inventors:
Assignee:
Schaeffler Technologies GmbH & Co. KG, Herzogenaurach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrohydraulic valve controller for variable actuation of a gas exchange valve of an internal combustion engine. The electrohydraulic valve controller has a first hydraulic valve and, for the purpose of providing an emergency running capability, a second hydraulic valve.