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:
Nov. 19, 2019

Filed:

Jan. 08, 2018
Applicant:

Eco Holding 1 Gmbh, Marktheidenfeld, DE;

Inventors:

Markus Heilig, Bonn, DE;

Florian Hentsch, Gruibingen, DE;

Dietmar Schulze, Muezenberg, DE;

Assignee:

ECO Holding 1 GmbH, Marktheidenfeld, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F01L 1/3442 (2013.01); F01L 2001/34479 (2013.01); F01L 2101/02 (2013.01); F01L 2103/00 (2013.01); F01L 2820/00 (2013.01);
Abstract

A cam phaser including a stator that is driven by a crank shaft of an internal combustion engine; and a rotor that is connectable torque proof with a cam shaft of the internal combustion engine and that includes plural blades that protrude radially outward from a rotor hub, wherein operating chambers arranged between the stator and the rotor are divided into pressure cavities by the blades, wherein the stator and the rotor are configured as sintered components, wherein displacement recesses are provided on axially configured faces of the stator and/or of the rotor wherein material is configured to flow into the displacement recesses during a deforming finishing of the faces.


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