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:
Mar. 24, 2026
Filed:
Feb. 16, 2023
Grimaldi Development Ab, Nacka Strand, SE;
Francesco Zitarosa, Illertissen, DE;
Christoph Erdmann, Ulm, DE;
Claes Inge, Nacka, SE;
Peter Franzén, Bandhagen, SE;
Carl Petrus Häggmark, Täby, SE;
Dan Öivind Karlsson, Grödinge, SE;
Grimaldi Development AB, Nacka Strand, SE;
Abstract
A crankcase ventilation system () is provided. The system comprises a housing (), a disc stack separator () arranged within the housing which comprises a chamber (), and a rotor (). The rotor comprises an oil separating element () arranged within the chamber and spaced from one or more walls of the chamber, a shaft () configured to rotatably mount the oil separating element. The disc stack separator further comprises a first gas inlet () and a first gas outlet (). The system further comprises a filter element () comprising a second gas inlet (), a second gas outlet (), and a filter () arranged between the second gas inlet and the second gas outlet. The first gas inlet is configured to be connected to a crankcase blow-by outlet of the ICE, and the first gas outlet is connected to the second gas inlet.