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:
Aug. 06, 2002
Filed:
Apr. 26, 1999
Jean-Charles Dabadie, Rueil-Malmaison, FR;
Jacques Lavy, Guillancourt, FR;
Institut Francais du Petrole, Rueil-Malmaison, FR;
Abstract
The present invention relates to a controlled self-ignition combustion process in a four-stroke engine having plural cylinders ( ) having each at least a first intake ( ) and at least a first exhaust ( ). The process according to the invention during partial load operation, transfers, via at least one additional port ( ) of each cylinder and an exhaust gas transfer, exhaust gases from a cylinder in the exhaust phase to another cylinder in the intake phase. The present invention further relates to a multicylinder four-stroke engine working on controlled self-ignition, allowing implementation of the above-described process.