HIGH MACH NUMBER UNDUCTED FAN ENGINE

HIGH MACH NUMBER UNDUCTED FAN ENGINE An aircraft gas turbine engine capable of cruise operation at altitudes in excess of 30,000 feet and at mach numbers in excess of 0.6 is disclosed. The engine comprises a core engine including a compressor which is effective for producing a maximum pressure ratio...

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Bibliographic Details
Main Author WALL, ROBERT A
Format Patent
LanguageEnglish
French
Published 26.09.1989
Edition4
Subjects
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
JET-PROPULSION PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:HIGH MACH NUMBER UNDUCTED FAN ENGINE An aircraft gas turbine engine capable of cruise operation at altitudes in excess of 30,000 feet and at mach numbers in excess of 0.6 is disclosed. The engine comprises a core engine including a compressor which is effective for producing a maximum pressure ratio in excess of 40:1. The engine further comprises a propulsor having an air bypass ratio between 10:1 and 60:1. The engine further comprises means for varying the pressure ratio so that the increase in pressure ratio from take-off to cruise is in excess of 20%.
Bibliography:Application Number: CA19860507565