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:
Jan. 25, 2011
Filed:
Feb. 13, 2006
Alain Ranini, Rueil-Malmaison, FR;
Sébastien Potteau, Triel sur Seine, FR;
Alain Ranini, Rueil-Malmaison, FR;
Sébastien Potteau, Triel sur Seine, FR;
Institut Francais du Petrole, Cedex, FR;
Abstract
The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (), one piston () running in said cylinder, with a projection () arranged in a concave bowl (), a fuel injector () and a combustion chamber (). According to the invention, during high engine loads, a first amount of fuel is injected at a piston () position of between 35 and 70° before the top dead centre position of said piston, followed by an injection of at least one second amount of fuel, the first amount of fuel being less than the second amount and the fuel is injected into said combustion chamber by means of an injector () with a cone angle (a) less than or equal to 2Arctg CD/2F where CD is the diameter of the cylinder () and F the distance between the points of origin of the fuel jets from the injector () and the position of the piston corresponding to a crankshaft angle of 50° with relation to the top dead centre (PMH) of the piston.