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. 08, 2022
Filed:
Dec. 01, 2020
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Graham P Bruce, Derby, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 9/00 (2006.01); H02M 3/335 (2006.01); H02J 1/00 (2006.01); H02M 7/219 (2006.01); H02P 9/02 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33576 (2013.01); H02J 1/00 (2013.01); H02M 7/219 (2013.01); H02P 9/02 (2013.01);
Abstract
Electrical systems for connecting rotary electric machines to dc networks operating at different voltages V and W where V>W are provided, along with gas turbine engine arrangements incorporating such systems.