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:
Feb. 26, 2019
Filed:
Jan. 12, 2015
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Stéphane Richard, Bazainville, FR;
Lionel Martinez, Maulette, FR;
Olivier Laget, Rueil-Malmaison, FR;
IFP Energies nouvelles, Rueil-Malmaison, FR;
Abstract
The present invention is a compression-ignition direct-injection internal-combustion engine comprising at least a cylinder (), a cylinder head () carrying fuel injection means (), a piston () sliding in the cylinder, a combustion chamber () limited on one side by an upper face () of the piston comprising a projection () extending in the direction of the cylinder head and located in a center of a concave bowl (). The engine comprises injection projecting fuel in at least two fuel jet sheets. One of the zones comprises a toroidal volume () having center B with a flat bottom () into which fuel jets () of the lower sheet are injected so that an axis Cof the lower sheet jets is contained between center B and projection ().