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. 20, 2023
Filed:
Feb. 03, 2020
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Chloe J. Palmer, Derby, GB;
Vladimir A. Shirokov, Derby, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/10 (2006.01); F01D 1/26 (2006.01); F01D 15/12 (2006.01); F04D 19/02 (2006.01); F02K 3/072 (2006.01); H02K 7/18 (2006.01);
U.S. Cl.
CPC ...
F01D 1/26 (2013.01); F01D 15/10 (2013.01); F01D 15/12 (2013.01); F02K 3/072 (2013.01); F04D 19/024 (2013.01); H02K 7/1823 (2013.01); F05D 2250/44 (2013.01); F05D 2260/40311 (2013.01);
Abstract
Turbomachinery comprising first and second sets of rotors configured to operate on a working fluid. The machinery further comprises first and second sets of electric machines coupled to the respective first and second rotors, and a coupling arrangement arranged to couple adjacent rotors of the first and second rotor sets to provide for fixed ratio, contra-rotation of the first and second rotor sets.