Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1992-03-30
1994-03-01
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60752, F23R 350
Patent
active
052896870
ABSTRACT:
A double annular combustor having concentrically disposed inner and outer annular combustors is provided with inner and outer domes. A one-piece cowl is provided upstream of the inner and outer domes in order to form a high pressure region. The one-piece cowl has an inner annular portion, an outer annular portion, and a radial middle portion connecting the inner and outer annular portions. The inner and outer annular portions include scalloped areas therein to facilitate insertion and removal of fuel tubes and nozzles. The cowl middle portion includes a shield to isolate the scalloped areas and the fuel tube from the high pressure region, thereby preventing leakage of air flow and consequential pressure loss from the high pressure region.
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Burrus, D. L., et al. "Energy Efficient Engine: Combustion System Component Technology Development Report", NASA R82AEB401. Nov., 1982. pp. 50, 287, and 456.
Koshoffer John M.
Kress Eric J.
Parry David W.
Savelli Joseph F.
Bertsch Richard A.
Davidson James P.
General Electric Company
Squillaro Jerome C.
Thorpe Timothy S.
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