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:
Mar. 31, 1998
Filed:
Dec. 23, 1996
Applicant:
Inventors:
Gert Fischer, Feldafing, DE;
Johannes Hoehl, Maisach, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9016 ; 123 9039 ;
Abstract
An internal combustion engine has a camshaft with control cams which act on respective valves through a transmission member whose contact path on the cam side is variable in its position relative to the control cam via a control device for changing the valve opening period with a valve lift that is essentially constant. To achieve exact control, the contact path is formed on a roller, which is forcibly controlled relative to the drag lever in synchronization with the camshaft, as an intermediate element between the control cams and the drag lever.