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. 25, 2012
Filed:
Sep. 21, 2010
Massimo Zanotti, Vado, IT;
Fabio Sensi, Casalecchio di Reno, IT;
Marco Panciroli, Bologna, IT;
Andrea Leoni, Perugia, IT;
Francesco Alunni, San Sisto, IT;
Filippo Cavanna, Bologna, IT;
Massimo Zanotti, Vado, IT;
Fabio Sensi, Casalecchio di Reno, IT;
Marco Panciroli, Bologna, IT;
Andrea Leoni, Perugia, IT;
Francesco Alunni, San Sisto, IT;
Filippo Cavanna, Bologna, IT;
Magneti Marelli S.p.A., , IT;
Abstract
A method of determining opening of an intake valve of an internal combustion engine, the method including the steps of: determining the time pattern of an intake pressure in an intake manifold of the internal combustion engine, the time pattern of the rotation speed of a drive shaft of the internal combustion engine, or the time pattern of a voltage at the terminals of a battery of the internal combustion engine; determining an intake-frequency component of the intake pressure, the rotation speed, or the voltage; and