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. 03, 2009
Filed:
Nov. 08, 2006
Yves Ribaud, Bonnelles, FR;
Joel Guidez, Paris, FR;
Jean-paul Breteau, Ivry sur Seine, FR;
Thierry Courvoisier, Le Perray en Yvelines, FR;
Olivier Dessornes, Villebon sur Yvette, FR;
Clement Dumand, Palaiseau, FR;
Yves Ribaud, Bonnelles, FR;
Joel Guidez, Paris, FR;
Jean-Paul Breteau, Ivry sur Seine, FR;
Thierry Courvoisier, Le Perray en Yvelines, FR;
Olivier Dessornes, Villebon sur Yvette, FR;
Clement Dumand, Palaiseau, FR;
ONERA, Chatillon Cedex, FR;
Abstract
The engine comprises a low pressure stage () and a high pressure stage () with two independent rotors () and associated fixed fluid preparation members (), combining 'compressor' means () and 'expander' means () and at least one combustion chamber () in a central volume defined axially by the rotors () and laterally by three substantially cylindrical, coaxial walls (), defining in pairs an outer duct () connecting the outlet of the LP compressor () to the inlet of the HP compressor () and an inner duct () connecting the outlet of the HP compressor () to the inlet of a first combustion chamber (), whose outlet supplies the HP expander () with gases produced by combustion guided to the inlet of the LP expander (), whose outlet is in communication with the outside via at least one exhaust opening () for the combustion gases.