F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 5/06 (2006.01) F01C 11/00 (2006.01) F01C 13/04 (2006.01) F01K 23/14 (2006.01) F02C 3/055 (2006.01) F02C 6/12 (2006.01)
Patent
CA 2516720
A compound cycle engine (10) comprises a compressor and a turbine section (14, 18), and at least one cycle topping device (16) providing an energy input to the turbine section (18). The compressor section (14) compresses the air according to a pressure ratio PRgt. The cycle topping device (16) further compresses the air according to a volumetric compression ratio Rvc, and wherein PRgt x Rvc are selected, according to one aspect of the invention, to provide a cycle which permit a more compact and lighter compound cycle engine to be provided.
L'invention concerne un moteur combiné cyclique (10) comprenant une section de compresseur et une section de turbine (14, 18), ainsi qu'au moins un dispositif de flux non dérivé (16) fournissant une entrée d'énergie dans la section de turbine (18). La section de compresseur (14) comprime l'air selon un taux de compression PR¿gt?. Le dispositif de flux dérivé (16) comprime également l'air selon un taux de compression volumétrique R¿vc?, PR¿gt? x R¿vc? étant sélectionné, selon un mode de réalisation de l'invention, pour fournir un cycle permettant d'obtenir un moteur combiné cyclique plus compact et léger.
Chevrefils Andre
Julien Andre
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pratt & Whitney Canada Corp.
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