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. 03, 2009
Filed:
Nov. 21, 2005
Applicants:
Martin Kenneth Yates, East Haddon, GB;
Daniel James Bickley, Solihull, GB;
Michael Griffiths, Bromsgrove, GB;
Inventors:
Martin Kenneth Yates, East Haddon, GB;
Daniel James Bickley, Solihull, GB;
Michael Griffiths, Bromsgrove, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/236 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel supply system for a gas turbine engine comprises a first positive displacement pump (), a second positive displacement pump (), said first and second positive displacement pumps () being operable simultaneously for the supply of fuel from a low pressure source, and switching valve means () downstream of said first positive displacement pump () for changing a connection mode between said first and second positive displacement pumps () between a series mode and a parallel mode.