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. 14, 2010
Filed:
Aug. 04, 2006
Gerhard Scheidig, Nuremberg, DE;
Ali Bayrakdar, Rothenbach/Pegn., DE;
Jens Hoppe, Erlangen, DE;
Rainer Ottersbach, Aurachtal, DE;
Gerhard Scheidig, Nuremberg, DE;
Ali Bayrakdar, Rothenbach/Pegn., DE;
Jens Hoppe, Erlangen, DE;
Rainer Ottersbach, Aurachtal, DE;
Schaeffler Technologies GmbH & Co. KG, Herzogenaurach, DE;
Abstract
A control valve () for a device for variably setting the control times of gas exchange valves () of an internal combustion engine (). Two working ports (A, B) and one supply port () are formed on an outer casing surface of a valve housing () of the control valve (), the working ports (A, B) are arranged directly adjacent one another, and the supply port adjoins them. Further, two pressure medium ducts () are formed on the control piston (), at least one of the pressure medium ducts () is embodied so that it is not rotationally symmetric with respect to a longitudinal axis () of the control piston ().