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:
Dec. 26, 1989
Filed:
Apr. 26, 1989
Applicant:
Inventors:
Assignee:
Alfa Lancia Industriale S.p.A., Arese, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9015 ; 123 9031 ;
Abstract
The proposed device comprises a cylinder rigid with a camshaft drive pulley, and a piston restrained to said cylinder and camshaft by helical groove connections and prismatic pair connections which, on command, allow said camshaft to undergo rotation relative to said pulley.