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:
Jun. 25, 2024
Filed:
Jul. 05, 2022
Applicant:
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventors:
Douglas David Dierksmeier, Franklin, IN (US);
Michael A. Karam, Plainfield, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/04 (2006.01); F01D 5/02 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/043 (2013.01); F01D 5/021 (2013.01); F01D 25/12 (2013.01); F05D 2220/32 (2013.01); F05D 2240/24 (2013.01); F05D 2260/221 (2013.01);
Abstract
A turbine wheel for a gas turbine engine including a compressor impeller and a radial inflow turbine integral to or attached to the compressor impeller is provided. A compressor turbine wheel including features to increase surface area of a surface of the compressor impeller and/or the radial inflow turbine and/or a passage to flow air between the compressor impeller and the radial inflow turbine is further provided. Methods for cooling radial inflow turbines integral to compressor impellers are further provided.