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:
Mar. 31, 2026

Filed:

Mar. 08, 2022
Applicant:

Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;

Inventors:

Andreas Schrattenberger, Munich, DE;

Frank Zimmermann, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/04 (2006.01); F01M 11/06 (2006.01); F01M 13/00 (2006.01);
U.S. Cl.
CPC ...
F01M 13/04 (2013.01); F01M 11/061 (2013.01); F01M 2013/0061 (2013.01);
Abstract

An internal combustion engine for a motor vehicle includes a crankcase. The crankcase has having at least two oil separation devices and having a return device. The return device has at least one first return channel that is flowable through by a first portion of the oil separated from the blow-by gas with a first of the oil separation devices, through which the first portion of the separated oil is guided from the first oil separation device into the reservoir. The return device also has at least one second return channel that is at least partially spaced apart from the first return channel and is flowable through by a second portion of the oil separated from the blow-by gas via the second oil separation device, through which second return channel the second portion of the separated oil is guided from the second oil separation device into the reservoir.


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