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.

Date of Patent:
Mar. 19, 2013

Filed:

Apr. 01, 2004
Applicants:

Laure Carbonne, Toulouse, FR;

Alain Gonzalez, Toulouse, FR;

Roger Rouphael, L'Union, FR;

Robertus Vingerhoeds, Toulouse, FR;

Inventors:

Laure Carbonne, Toulouse, FR;

Alain Gonzalez, Toulouse, FR;

Roger Rouphael, L'Union, FR;

Robertus Vingerhoeds, Toulouse, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method relating to an engine with n cylinders, fuel is injected in a predetermined order into the cylinders in a manner which is synchronized with the position of the pistons of the engine. The method includes the following steps after start-up: injection into m cylinders in a predetermined order of injection; measurement of engine speed and/or acceleration; continuation of injection in a predetermined order of injection if engine speed and/or acceleration exceed(s) a predetermined threshold; continuation of injection with a delay in the event of the contrary. The method can be used with respect to the start-up of a direct injection engine.


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