Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate
2005-12-12
2009-02-03
Kim, Ted (Department: 3746)
Power plants
Reaction motor
Interrelated reaction motors
C060S802000
Reexamination Certificate
active
07484354
ABSTRACT:
In order to avoid external bulging (5) to accommodate accessory mechanisms (27) and gearboxes (30) to drive these mechanisms (27) in accordance with the present invention splitter fairings (26) are located within a bypass duct (23) of an engine (20). The bypass duct (23) is defined between a casing (21) and compressor/turbine propulsion core (22). The fairings (26) are of sufficient dimensions to accommodate the accessory mechanisms (27) whilst the bypass duct (23) is appropriately shaped axi-symmetrically to eliminate and balance any blocking effect of these fairings (26) within the duct (23) upon air flow (24). Further fairings (26′) may be provided to accommodate oil tank reservoirs (34) as well as filter/heat exchanger mechanisms (35) for the engine (20). In such circumstances, a notional elongate cylindrical profile for the engine (20) is maintained such that a reduced cross section is require for that engine (20) and so allowing a smaller airframe with better sonic boom signature.
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Kim Ted
Manelli Dension & Selter & PLLC
Rolls-Royce plc
Taltavull W. Warren
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