Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1991-07-12
1994-06-21
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60741, F02L 100
Patent
active
053219490
ABSTRACT:
A fuel delivery system for a turbine engine having a primary fuel flow circuit and a secondary fuel flow circuit. The primary fuel flow circuit has a unstaged-first manifold and a staged-second manifold. A control valve and flow meter regulate the amount of fuel flow to the unstaged and staged manifolds with a first mode of operation providing fuel to the unstaged manifold only, and a second mode of operation providing fuel to both the staged and unstaged manifolds. When high power is required of the engine, a secondary fuel circuit is provided with a secondary manifold which is connected to a distribution valve which opens when fuel flow is at a predetermined level. The invention allows fuel to be efficiently atomized at various levels of powered operation by having a control center which controls the opening and closing of the distribution valve and control valve based upon fuel flow rates fuel/air ratios and air start core speed.
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Campbell Thomas C.
Napoli Phillip D.
Bertsch Richard A.
Davidson James P.
General Electric Company
Squillaro Jerome C.
Wicker William
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