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:
Nov. 07, 2017
Filed:
Feb. 11, 2013
Applicant:
Sem Ab, Åmål, SE;
Inventors:
Assignee:
SEM AB, , SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02P 17/12 (2006.01); G01M 15/11 (2006.01); F02M 21/02 (2006.01); F02D 35/02 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02P 17/12 (2013.01); G01M 15/11 (2013.01); F02D 35/021 (2013.01); F02D 41/0027 (2013.01); F02D 2200/1015 (2013.01); F02M 21/029 (2013.01);
Abstract
This invention relates to an engine for a vehicle using alternative fuel, preferably gas, comprising an engine () having a spark ignited ignition system () wherein said ignition system () includes misfire detection by means of a sensor device () providing information to a control system (), connected to or within said ignition system (), and wherein said combustion includes diluted operation to optimize emissions wherein said sensor device () includes an ion sensing measurement means () arranged to measure an ion current in said engine () and that said ignition system () has a built-in function to detect misfiring through an analysis of the ion current of the engine () during combustion.