Power plants – Combustion products used as motive fluid – Different fluids
Patent
1989-10-10
1991-04-02
Stout, Donald E.
Power plants
Combustion products used as motive fluid
Different fluids
60 39141, F02C 727
Patent
active
050037676
ABSTRACT:
A power augmented gas turbine starter system which has a starter including a casing rotatably mounting a turbine wheel therewithin. A low pressure air supply communicates with the casing. A combustor is associated with the low pressure air supply for receiving air therefrom and supplying a flow of hot gas to the starter for augmenting the power of the starter. The air supply may be a bleed air conduit from an auxiliary power unit or from a main propulsion engine, and the combustor may be removably mounted directly in-line within the air supply conduit. The invention contemplates the use of a single auxiliary power unit and a single combustor for supplying a flow of hot gas to two or more gas turbine starters associated with their respective main propulsion engines. A cross-bleed circuit may be provided so that cross-bleed from one main engine can be used to start another main engine by providing bleed air for the other engine's gas turbine starter.
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Stout Donald E.
Sundstrand Corporation
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