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:
May. 01, 2012
Filed:
Feb. 07, 2007
Applicants:
Pasquale Forte, Orsenigo, IT;
Stefano Bordegnoni, Orsenigo, IT;
Andrea Gelmetti, Orsenigo, IT;
Inventors:
Assignee:
Eldor Corporation S.p.A., Orsenigo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2011.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and devices for controlling the normalized air-fuel ratio of an internal combustion engine, otherwise known, in technical terms, as Lambda. The present invention is based on the use of the ionization current released by a device positioned on each cylinder of the engine. This ionization current is measured by a Control Unit equipped with a low-pass filter and electronic means which implement the invention.