Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 3, 2009
Patent Application Number
11284081
Date Filed
November 21, 2005
Patent Primary Examiner
Patent abstract
A fuel supply system for a gas turbine engine comprises a first positive displacement pump (16), a second positive displacement pump (27), said first and second positive displacement pumps (16, 27) being operable simultaneously for the supply of fuel from a low pressure source, and switching valve means (14) downstream of said first positive displacement pump (16) for changing a connection mode between said first and second positive displacement pumps (16, 27) between a series mode and a parallel mode.
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