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:
Jul. 04, 2011
Filed:
Nov. 17, 2009
Applicant:
Michel Andre Bouru, Montereau sur le Jard, FR;
Inventor:
Michel Andre Bouru, Montereau sur le Jard, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/56 (2005.12);
U.S. Cl.
CPC ...
Abstract
A variable pitch stator vane stage, said vanes being moved by an automatically-centered rotary actuator ring. The casing carries a stationary coaxial annular rail projecting from its outside surface, and circumferentially spaced apart moving equipments are provided that are constrained to move along said rail, each moving equipment being coupled to the actuator ring via a radial guide arrangement.