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:
Oct. 26, 2004
Filed:
Sep. 25, 2002
Applicant:
Inventors:
Hans Gaca, Offenbach/Main, DE;
Goetz Spiess, Berlin, DE;
Assignee:
Willy Vogel Aktiengesellschaft, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
E03B 1/00 ;
U.S. Cl.
CPC ...
E03B 1/00 ;
Abstract
A method and apparatus to automatically monitor a lubricant supply of a unit lubricated according to the principle of oil and air lubrication. The method and apparatus detect oil streaks traveling on the wall of the lubricant line by using a capacitive or opto-electronic control. The method and apparatus further utilize signals that depend on wave movements of these streaks for control purposes.