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. 15, 1994
Filed:
Apr. 03, 1992
Applicant:
Inventors:
Pierre Duret, Sartrouville, FR;
Gaetan Monnier, Rueil Malmaison, FR;
Thierry Colliou, Le Chesnay, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 / ; 123 / ;
Abstract
A two-stroke engine which includes a cylinder in which a piston moves with a device being provided for allowing the feeding of a charge under pressure to the cylinder and at least two inlet ports in a well of the cylinder. The engine includes a device for selectively sealing a section of flow of the inlet port in accordance with at least one working parameter of the engine The device for selectively sealing may, for example, include a rotary plug placed opposite the inlet ports, with the plug including at least two through openings.