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:
Nov. 23, 2021
Filed:
Apr. 10, 2018
Applicants:
Iwis Motorsysteme Gmbh & Co. KG, Munich, DE;
Avl List Gmbh, Graz, AT;
Inventor:
Kai Arens, Munich, DE;
Assignees:
IWIS MOTORSYSTEME GMBH & CO. KG, Munich, DE;
AVL LIST GMBH, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 75/04 (2006.01); F02D 41/04 (2006.01); F02D 35/02 (2006.01); F02D 41/20 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
F02B 75/045 (2013.01); F02D 35/02 (2013.01); F02D 41/04 (2013.01); F02D 41/20 (2013.01); F02D 41/221 (2013.01);
Abstract
A control device for a VCR connecting rod which can be operated by way of an actuation circuit is provided. Such a VCR connecting rod is to enable safe operation. For this purpose, a detection device is provided for determining a defect of the actuation circuit. Furthermore, the invention relates to a respectively associated method for operating an actuation circuit of a VCR connecting rod of an internal combustion engine.