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. 02, 2021
Filed:
Sep. 12, 2018
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
David M. Dyer, Glastonbury, CT (US);
Scott Gammons, Higganum, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 17/16 (2006.01); F04D 29/02 (2006.01); F04D 29/16 (2006.01); F04D 29/56 (2006.01);
U.S. Cl.
CPC ...
F01D 17/162 (2013.01); F01D 9/041 (2013.01); F04D 29/023 (2013.01); F04D 29/164 (2013.01); F04D 29/563 (2013.01); F05D 2240/12 (2013.01); F05D 2300/30 (2013.01);
Abstract
A vane assembly includes a fixed airfoil portion that extends between a radially inner platform and radially outer platform and has a pressure side and a suction side. A rotatable airfoil portion is located aft of the fixed airfoil portion and has a pressure side and a suction side. A cover extends from the pressure side of the fixed airfoil portion to the pressure side of the rotatable airfoil portion.