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. 29, 2007
Filed:
Jun. 14, 2005
Jochen Auchter, Weisendorf, DE;
Andreas Strauss, Forchheim, DE;
Lutz Witthöft, Aurachtal, DE;
Michael Busse, Herzogenaurach, DE;
Dirk Heintzen, Weisendorf, DE;
Jürgen Plate, Gerhardshofen, DE;
Jochen Auchter, Weisendorf, DE;
Andreas Strauss, Forchheim, DE;
Lutz Witthöft, Aurachtal, DE;
Michael Busse, Herzogenaurach, DE;
Dirk Heintzen, Weisendorf, DE;
Jürgen Plate, Gerhardshofen, DE;
INA-Schaeffler KG, , DE;
Abstract
A hydraulic device for adjusting the rotation angle of a camshaft relative to a crankshaft in an internal combustion engine. The device has a rotor, with blades arranged around its periphery. A stator is connected in a rotationally secure manner to a drive wheel. The rotor and the stator together form pressure chambers, which can be filled with hydraulic fluid via a hydraulic fluid system, in which there is disposed a volume accumulator.