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:
Mar. 22, 1994
Filed:
Mar. 04, 1993
Applicant:
Inventor:
Alain P Daguet, Bondoufle, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4162 / ; 415200 ;
Abstract
The fixed blades of a flow-straightener in a turbomachine each includes a metallic structure having a smooth surface on one side defining one face of the blade and a grid having a plurality of cells on its opposite side which are filled with a composite material such as polyurethane, the filled cellular side of the metallic structure defining an opposite face of the blade.