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. 05, 2002
Filed:
Dec. 22, 2000
Daniel Drecq, 78610 Saint Leger en Yvelines, FR;
Other;
Abstract
The invention concerns a two-stroke engine comprising a cylinder ( ) wherein moves a piston ( ), exhaust ( ) and intake ( ) devices and a blower ( ) for blowing in the cylinder ( ) a scavenging air stream , wherein an additional volume ( ) communicates with the cylinder ( ) through closing and opening means ( ) whereof the movements are controlled synchdnously or out shift with those of the piston ( ) in the cylinder ( ) such that, during the combustion/expansion phase the burnt gases compress the air located in the additional volume ( ) by penetrating therein at least partially, the air/burnt gas mixture is trapped therein under pressure; then the mixture is induced into the cylinder ( ) during the intake phase.