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:
Aug. 16, 2022
Filed:
Jan. 07, 2019
Joma-polytec Gmbh, Bodelshausen, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Jörg Ströse, Eglharting, DE;
Christian Scheibe, Rottenburg am Neckar, DE;
Tobias Köhnlein, Hechingen, DE;
Joma-Polytec GmbH, Bodelshausen, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.