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:
May. 04, 1999
Filed:
Jun. 20, 1997
Applicant:
Inventors:
Marc Bouchez, Bourges, FR;
Emmanuel Saunier, Bourges, FR;
Assignee:
Aerospatiale Societe Nationale Industrielle, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K / ;
U.S. Cl.
CPC ...
60267 ; 602701 ;
Abstract
A fuel injection stub (6) for a ramjet is intended to operate at a high Mach number. According to the invention, the nose of the stub is formed by a thermally conductive thin wall (11) having at least approximately the shape of a dihedron, the angle of said dihedron being at most equal to 15.degree. and the radius of the leading edge (11A) of said nose being at most equal to 2 mm, and said stub includes means (23, 27) for injecting a coolant into the sealed chamber (18), said injection means producing a number of jets of pressurized coolant striking the concave face of said thin wall.