US Patent 11781484 Secondary fuel flow demand fuel pumping system
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US Patent 11781484 Secondary fuel flow demand fuel pumping system
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Patent abstract
A fuel system for a gas turbine engine includes a main fuel pump generating a main fuel flow into a main fuel passage and a secondary pump generating a secondary fuel flow into a secondary flow passage. A first control valve is disposed in a passage between the main fuel passage and the secondary flow passage. The first control valve selectively directs an excess portion of the main fuel flow to the secondary flow passage to provide at least a portion of the secondary fuel flow.
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Patent Inventor Names
Michael K. Ikeda
Peter Cocks
Date of Patent
October 10, 2023
Patent Application Number
17879277
Date Filed
August 2, 2022
Patent Citations
Patent Primary Examiner
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