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:
Aug. 20, 1985
Filed:
May. 05, 1983
Applicant:
Inventor:
Ambrogio Banfi, Milan, IT;
Assignee:
Alfa Romeo Auto S.p.A., Naples, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9015 ; 123 9017 ;
Abstract
This invention relates to a device for automatically varying the timing of a camshaft relative to the drive shaft of an internal combustion engine, comprising an axially slidable splined sleeve which connects the camshaft to its drive pulley, and is operated by the engine lubricating oil in such a manner as to change the angular position of said camshaft by way of valve means controlled by an electromagnetic actuator as a function of at least one engine parameter.