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:
Apr. 29, 2008
Filed:
May. 19, 2004
Applicants:
David S Knott, Quorn, GB;
Christopher Freeman, Farnsfield, GB;
Inventors:
David S Knott, Quorn, GB;
Christopher Freeman, Farnsfield, GB;
Assignee:
Rolls-Royce plc, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
B64D 27/18 (2006.01); B64D 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assembliesare provided in aircraft structures in particular the wing. The assembliescomprise a flow path within which a compressoris positioned to propel an air flow for propulsion. The compressorsare powered by electricity from an electricity generatorand possibly supplemented by solar cells or fuel cells or wing tip turbine generators. The assembliesare small to allow easy removal for maintenance and repair.