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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.:

US 10961863 B1

PDFFull Text
Date of Patent:
Mar. 30, 2021

Filed:

Feb. 27, 2019

Electrical power generator system

Applicant:

Rolls-royce Plc, London, GB;

Inventor:

David P. Scothern, Derby, GB;

Assignee:

ROLLS-ROYCE plc, London, GB;

Attorney:

Shumaker & Sieffert, P.A.

Primary Examiner:

Charles Reid, Jr

Int. Cl.
CPC ...
F01D 15/10 (2006.01); F02C 3/10 (2006.01); F02C 3/113 (2006.01); F02C 7/36 (2006.01); F03D 9/25 (2016.01); F02C 7/32 (2006.01); H02K 7/116 (2006.01); H02K 7/18 (2006.01); F03D 15/00 (2016.01); H02K 16/00 (2006.01);
U.S. Cl.
CPC ...
F01D 15/10 (2013.01); F02C 3/10 (2013.01); F02C 3/113 (2013.01); F02C 7/32 (2013.01); F02C 7/36 (2013.01); F03D 9/25 (2016.05); F03D 15/00 (2016.05); H02K 7/116 (2013.01); H02K 7/1823 (2013.01); F05B 2260/4031 (2013.01); F05D 2220/76 (2013.01); F05D 2260/4031 (2013.01); F05D 2270/061 (2013.01); F05D 2270/304 (2013.01); H02K 16/00 (2013.01); H02K 2213/09 (2013.01);
Abstract

An electrical power generator system has: an input shaft for receiving a rotary input drive; plural output shafts connected by respective gear shifting arrangements to the input shaft thereby providing different gear ratios between the input shaft and each output shaft; and plural electrical generators powered by rotation of the respective output shafts, electrical power outputs of the generators being combined to supply a total power to a load. The input shaft operates over a range of rotation frequencies, and the gear shifting arrangements are configured to shift the gear ratios between the input shaft and the output shafts such that the output shafts operate over a narrower range of rotation frequencies.

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