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:
Feb. 17, 1987
Filed:
Aug. 05, 1985
Applicant:
Inventors:
Dieter Fingerle, Hochdorf, DE;
Gernot Habel, Plochingen, DE;
Assignee:
Feldmuele Aktiengesellschaft, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9039 ; 123 9049 ; 123 9051 ; 123 906 ; 1231 / ;
Abstract
An operating element for the operation of the valves of an internal combustion engine consists of metal and has on its working surface engaged with the cam of a camshaft an insert (2) of ceramic material which is fastened on the operating element (1) with an oil- and heat-resistant, vulcanized bonding layer (3) of an elastomer.