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:
Mar. 07, 2017
Filed:
Sep. 24, 2013
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventor:
Joachim Rohde, Aachen, DE;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/28 (2006.01);
U.S. Cl.
CPC ...
G01N 33/2888 (2013.01); G01N 33/2858 (2013.01);
Abstract
In a method for determining an ageing state of lubricant which comes into contact with a metallic surface in a machine to be lubricated, a metal ion content or a change over time of a metal ion content in the lubricant is determined. The metal ion content can be determined by a measuring sensor which is disposed in the machine or disposed in a lubricant line connected to the machine.