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. 17, 2005
Filed:
May. 18, 2002
Udo Diehl, Stuttgart, DE;
Uwe Hammer, Hemmingen, DE;
Volker Beuche, Stuttgart, DE;
Peter Lang, Weissach, DE;
Stefan Reimer, Markgroeningen, DE;
Udo Diehl, Stuttgart, DE;
Uwe Hammer, Hemmingen, DE;
Volker Beuche, Stuttgart, DE;
Peter Lang, Weissach, DE;
Stefan Reimer, Markgroeningen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to an electrohydraulic valve controller for controlling a gas exchange valve in internal combustion engines, having a hydraulically actuatable control valve including a control valve piston which can be acted upon, via electrically actuatable valves, by a hydraulic medium that is under pressure, and a hydraulically acting valve brake is assigned to the control valve piston. The valve brake () includes a temperature compensation for the hydraulic medium.