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:
Dec. 16, 2008
Filed:
May. 25, 2004
Rolf Luther, Speyer, DE;
Christian Seyfert, Mannheim, DE;
Fritz Stumm, Heidelberg, DE;
Fuchs Petrolub AG, Mannheim, DE;
Abstract
A method and a device for the automatic detection of at least one fluorescent and/or light-absorbent indicator contained in a liquid service fluid during the filling of a machine, in particular a combustion engine of a vehicle, with said service fluid are provided. Detection takes place in the following manner: irradiation during the filling of the service fluid to be analyzed using at least one light source () in a measuring section (); capture of the light () passing through the service fluid in the measuring section () and/or emanating from the indicator contained in said fluid as a result of a fluorescent effect, by means of a light collector (), the intensity of the light being influenced by the indicator or indicators or the concentration thereof; generation of at least one measurement signal () representing the intensity of the light that strikes.