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:
May. 09, 1989
Filed:
Mar. 27, 1984
Applicant:
Inventors:
Heinz Dimigen, Hamburg, DE;
Hubertus Hubsch, Hamburg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
252 12 ; 252 122 ;
Abstract
Layers of carbon with a thickness ranging from 10 nm to 10 .mu.m with a diamond-like crystalline structure in a vacuum under a protective atmosphere, but also in atmospheric conditions, represent an excellent dry lubricant which is characterized by a very low coefficient of sliding friction (.mu..congruent.0.01 to 0.1) and also by a very high abrasion resistance. The adhesion of the carbon layer to bearing surfaces can be improved by an intermediate layer between the lubricating layer and the bearing surface. The intermediate layer preferably has a lattice structure similar to that of the lubricating layer.