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:
Jan. 21, 1986
Filed:
Jan. 26, 1984
Applicant:
Inventor:
Jean-Pierre Rivere, Paris, FR;
Assignee:
Regie Nationale des Usines Renault, Boulogne-Billancourt, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9034 ; 123 9027 ; 1231 / ;
Abstract
A valve control device of the type having a rotating cam and a cam drive to communicate to a valve a reciprocating lifting movement in opposition to the closing force exerted by a return spring. The sliding surface of the cam drive comes in contact with the cam while immersed in an independent bath of lubricating oil having a high viscosity. Application is to a distribution device with reduced friction for internal combustion engines.