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.

Date of Patent:
Feb. 24, 2015

Filed:

Jan. 18, 2013
Applicant:

Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;

Inventors:

Jens Schafer, Herzogenaurach, DE;

Martin Steigerwald, Herzogenaurach, DE;

Michael Busse, Herzogenaurach, DE;

Jurgen Plate, Gerhardshofen, DE;

Andreas Wedel, Emskirchen, DE;

Olaf Boese, Nuremberg, DE;

Steffen Racklebe, Obermichelbach, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 1/344 (2006.01); F01L 1/047 (2006.01);
U.S. Cl.
CPC ...
F01L 1/3442 (2013.01); F01L 2001/0475 (2013.01); F01L 2001/34433 (2013.01); F01L 2001/34446 (2013.01);
Abstract

A camshaft adjuster () including a stator () and a rotor () which is received in the stator () and which can be rotated relative to the stator () by a pressure chamber (), a pressure interface () for supplying hydraulic liquid to the pressure chamber (), and an outflow interface () for the discharge of the hydraulic liquid from the pressure chamber (). The camshaft adjuster () also has a third interface () for filling the pressure chamber () with hydraulic liquid from a volume accumulator ().


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