Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Reexamination Certificate
2006-11-08
2009-11-03
Casaregola, Louis J (Department: 3741)
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
C060S039170, C060S804000
Reexamination Certificate
active
07610762
ABSTRACT:
The engine comprises a low pressure stage (1) and a high pressure stage (2) with two independent rotors (3,4) and associated fixed fluid preparation members (9,10,13,14), combining “compressor” means (15,16) and “expander” means (17,18) and at least one combustion chamber (19,20) in a central volume defined axially by the rotors (3,4) and laterally by three substantially cylindrical, coaxial walls (22,23,24), defining in pairs an outer duct (25) connecting the outlet of the LP compressor (15) to the inlet of the HP compressor (16) and an inner duct (26) connecting the outlet of the HP compressor (16) to the inlet of a first combustion chamber (19), whose outlet supplies the HP expander (18) with gases produced by combustion guided to the inlet of the LP expander (17), whose outlet is in communication with the outside via at least one exhaust opening (41) for the combustion gases.
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Breteau Jean-Paul
Courvoisier Thierry
Dessornes Olivier
Dumand Clement
Guidez Joel
Casaregola Louis J
Frost Brown Todd LLC
ONERA
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