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. 23, 2021
Filed:
Nov. 08, 2017
Applicant:
Ratier-figeac Sas, Figeac, FR;
Inventor:
Christian Fages, Saint-Felix, FR;
Assignee:
RATIER-FIGEAC SAS, Figeac, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/34 (2006.01); B64C 11/38 (2006.01); B33Y 80/00 (2015.01); B33Y 10/00 (2015.01); B64C 11/32 (2006.01);
U.S. Cl.
CPC ...
B64C 11/346 (2013.01); B33Y 80/00 (2014.12); B64C 11/385 (2013.01); B33Y 10/00 (2014.12); B64C 11/325 (2013.01);
Abstract
A counterweight for use in a variable-pitch propeller system (includes a weighted element having walls forming a sealed chamber). The sealed chamber contains a weighting material, and an arm. The counterweight is configured to be coupled to a propeller blade the walls of the weighted element and the arm comprise a single piece, and are an additively manufactured single piece. The weighting material may comprise a powder element. The sealed chamber may have been sealed during the additive manufacturing process, or after the additive manufacturing process has been completed.