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:
Aug. 08, 2023
Filed:
Jun. 29, 2022
Pratt & Whitney Canada Corp., Longueuil, CA;
David Menheere, Norval, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A vane system for an aircraft engine, comprising: an inner wall extending circumferentially about a duct axis; an outer wall extending circumferentially about the duct axis radially outward of the inner wall relative to the duct axis; at least one vane extending from an inner end attached to the inner wall to an outer end rotatably connected to the outer wall, the outer end rotatable relative to the outer wall about a vane axis at an angle to the duct axis; a ring extending circumferentially about the duct axis radially outward of the outer wall relative to the duct axis, the ring rotatable about the duct axis; and at least one transmission member located radially outward of the outer wall relative to the duct axis and coupling the ring to the outer end such that rotating the ring about the duct axis rotates the outer end about the vane axis.