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:
Feb. 13, 2018
Filed:
Apr. 01, 2014
Applicants:
Derwent Aviation Consulting Ltd., Staffordshire, GB;
Trevor H. Speak, Gloucestershire, GB;
Robert J. Sellick, Gloucestershire, GB;
Inventors:
Trevor H. Speak, Gloucestershire, GB;
Robert J. Sellick, Gloucestershire, GB;
Assignee:
Derwent Aviation Consulting Ltd., Staffordshire, GB;
Primary Examiner:
Int. Cl.
CPC ...
F01D 15/12 (2006.01); F02C 3/107 (2006.01); F02K 3/06 (2006.01); F02C 3/067 (2006.01); F02C 7/36 (2006.01); F02C 3/34 (2006.01);
U.S. Cl.
CPC ...
F02C 3/107 (2013.01); F02C 3/067 (2013.01); F02C 3/34 (2013.01); F02C 7/36 (2013.01); F02K 3/06 (2013.01); F05D 2220/36 (2013.01); F05D 2220/62 (2013.01); F05D 2260/40311 (2013.01); Y02T 50/671 (2013.01);
Abstract
In a gas turbine engine, the booster compressor is driven by both the low pressure or fan shaft and high pressure shaft through a differential gear arrangement. The rotational speed of the booster compressor is intermediate between the speed of the fan and the speed of the high pressure compressor.