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. 02, 2004
Filed:
Feb. 03, 2003
Juergen Stegmaier, Schwaebisch, DE;
Bruno Hezel, Stuttgart, DE;
Dietmar Uhlenbrock, Tecklenburg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention concerns an oil separator ( ) for crankcase gases of an internal combustion engine, comprising a preliminary separator ( ), a cyclone separator ( ), a fine separator ( ) and, if necessary, a valve device ( ) that are provided in a cascade arrangement on a cylinder-head cover ( ) of the internal combustion engine; in order to reduce the mutual interference of flowing crankcase gas and separated fluid, an oil drain opening ( ) is provided upstream from the cyclone separator ( ) in the flow or cascade direction, through which oil separated in the preliminary separator can be returned.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile