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:
Apr. 12, 2005
Filed:
Feb. 15, 2001
Applicants:
Stefan Fühling, Dortmund, DE;
Knut Meyer, Essen, DE;
Martin Nockemann, Dortmund, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D005/00 ; B01D017/038 ; B01D053/04 ;
U.S. Cl.
CPC ...
Abstract
The subject of the present invention is a method and a device for the separation of fuel-vapor/air mixtures into their components, in particular for purification of vapor mixtures, such as occur in fuel tanks of motor vehicles. A preseparator is arranged between the fuel tank and the filter. In the preseparator, the hydrocarbons are separated from the mixture and are supplied to the fuel tank again. The remaining mixture is supplied to the filter.