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:
Dec. 23, 2025
Filed:
Feb. 23, 2023
Applicant:
Ess 2 Tech, Llc, Bethlehem, PA (US);
Inventors:
Michael Suk, Milton, PA (US);
David A. Shoffler, Marion Heights, PA (US);
Assignee:
ESS 2 Tech, LLC, Bethlehem, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 41/00 (2006.01); F01D 1/24 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
B64D 41/007 (2013.01); F01D 1/24 (2013.01); F01D 5/141 (2013.01); F05D 2220/34 (2013.01); F05D 2240/301 (2013.01); F05D 2240/303 (2013.01); F05D 2250/14 (2013.01); F05D 2250/44 (2013.01);
Abstract
A ram air turbine may include an output shaft, a first turbine blade set configured to rotate in a first direction, and a second turbine blade set configured to counter-rotate with respect to the first turbine blade set. The rotation of the first turbine blade set and the counter-rotation of the second turbine blade set drives the output shaft.