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. 02, 2020
Filed:
Feb. 28, 2017
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Christopher John William Weir, Solihull, GB;
Daniel James Bickley, Solihull, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/22 (2006.01); F02C 7/236 (2006.01); F02C 9/26 (2006.01); F02C 7/232 (2006.01);
U.S. Cl.
CPC ...
F02C 7/236 (2013.01); F02C 7/22 (2013.01); F02C 7/232 (2013.01); F02C 9/26 (2013.01); F05D 2220/323 (2013.01); F05D 2270/05 (2013.01); Y02T 50/671 (2013.01);
Abstract
An aircraft fuel pumping arrangement comprises a first fuel pump, an electrically powered motor operable to drive the first fuel pump to deliver fuel to an outlet, a second fuel pump, a gas driven turbine operable to drive the second fuel pump to deliver fuel to the outlet, and a controller operable to control the operation of the gas driven turbine to determine the rate at which the second fuel pump is driven.