Daniel Bernard Kupratis

Person

Wallingford, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aircraft engine entrained particle separation system and method
- Patent number 12,209,534
- Issue date Jan 28, 2025
- RTX Corporation
- Daniel B. Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Regulating core air bled from a turbine engine core flowpath
- Patent number 12,180,898
- Issue date Dec 31, 2024
- RTX Corporation
- Daniel B. Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Augmented drive of compressors via differential and multistage turbine
- Patent number 12,173,644
- Issue date Dec 24, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Inter-rotating assembly power coupling system for turbine engine
- Patent number 12,163,476
- Issue date Dec 10, 2024
- RTX Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
After-fan system with electrical motor for gas turbine engines
- Patent number 12,123,309
- Issue date Oct 22, 2024
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Integrated electro-aero-thermal turbine engine
- Patent number 12,098,646
- Issue date Sep 24, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Assisted engine start bleed system
- Patent number 12,071,903
- Issue date Aug 27, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electric enhanced transmission for multi-spool load-sharing turbofa...
- Patent number 12,065,973
- Issue date Aug 20, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Geared turbofan engine with a high ratio of thrust to turbine volume
- Patent number 12,055,093
- Issue date Aug 6, 2024
- RTX Corporation
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Crossover cooling flow for multi-engine systems
- Patent number 12,012,896
- Issue date Jun 18, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
After-fan system for a gas turbine engine
- Patent number 11,994,089
- Issue date May 28, 2024
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Transmission and method for control of boost spool
- Patent number 11,976,598
- Issue date May 7, 2024
- RTX Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine with power density range
- Patent number 11,970,984
- Issue date Apr 30, 2024
- RTX Corporation
- Frederick M. Schwarz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hybrid electric fan with stall free low pressure compressor
- Patent number 11,952,947
- Issue date Apr 9, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine with high speed low pressure turbine section and...
- Patent number 11,913,349
- Issue date Feb 27, 2024
- RTX Corporation
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Transmission and method for control of boost spool
- Patent number 11,898,490
- Issue date Feb 13, 2024
- RTX Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Differential geared amplification of auxiliary power unit
- Patent number 11,873,766
- Issue date Jan 16, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
After-fan system with electrical motor for gas turbine engines
- Patent number 11,846,196
- Issue date Dec 19, 2023
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Turbofan with offset gas generator and auxiliary power core
- Patent number 11,840,958
- Issue date Dec 12, 2023
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbofan gas turbine engine with combusted compressor bleed flow
- Patent number 11,781,479
- Issue date Oct 10, 2023
- RTX Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Splitter and guide vane arrangement for gas turbine engines
- Patent number 11,781,506
- Issue date Oct 10, 2023
- RTX Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Augmented drive of compressors via differential and multistage turbine
- Patent number 11,753,990
- Issue date Sep 12, 2023
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Transmission and method for control of boost spool
- Patent number 11,692,491
- Issue date Jul 4, 2023
- Raytheon Technologies Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fluidic valve configuration for boost spool engine
- Patent number 11,692,493
- Issue date Jul 4, 2023
- Raytheon Technologies Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rating control architecture and method for hybrid electric engine
- Patent number 11,649,763
- Issue date May 16, 2023
- Raytheon Technologies Corporation
- Michael M. Romero
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Boost spool flow control and generator load matching via load compr...
- Patent number 11,639,690
- Issue date May 2, 2023
- Raytheon Technologies Corporation
- Daniel B. Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Geared architecture for high speed and small volume fan drive turbine
- Patent number 11,635,043
- Issue date Apr 25, 2023
- Raytheon Technologies Corporation
- Michael E. McCune
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Differential geared amplification of auxiliary power unit
- Patent number 11,629,646
- Issue date Apr 18, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Integrated electro-aero-thermal turbine engine
- Patent number 11,613,998
- Issue date Mar 28, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine with power density range
- Patent number 11,608,786
- Issue date Mar 21, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
AIRCRAFT POWERPLANT WITH BOOSTED GAS TURBINE ENGINE
- Publication number 20240413704
- Publication date Dec 12, 2024
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH IMPROVED HIGH PRESSURE COMPRESSOR LEAKAGE P...
- Publication number 20240410587
- Publication date Dec 12, 2024
- William K. Ackermann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...
- Publication number 20240401500
- Publication date Dec 5, 2024
- RTX Corporation
- Frederick M. Schwarz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
INTER-ROTATING ASSEMBLY POWER COUPLING SYSTEM FOR TURBINE ENGINE
- Publication number 20240401536
- Publication date Dec 5, 2024
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ELECTRIC ENHANCED TRANSMISSION FOR MULTI-SPOOL LOAD-SHARING TURBOFA...
- Publication number 20240401538
- Publication date Dec 5, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL
- Publication number 20240384682
- Publication date Nov 21, 2024
- RTX Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL
- Publication number 20240287939
- Publication date Aug 29, 2024
- Raytheon Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
POWERPLANT WITH MULTIPLE INTEGRATED GAS TURBINE ENGINES
- Publication number 20240287942
- Publication date Aug 29, 2024
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AFTER-FAN SYSTEM WITH ELECTRICAL MOTOR FOR GAS TURBINE ENGINES
- Publication number 20240035392
- Publication date Feb 1, 2024
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
AUGMENTED DRIVE OF COMPRESSORS VIA DIFFERENTIAL AND MULTISTAGE TURBINE
- Publication number 20240018901
- Publication date Jan 18, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIRCRAFT POWERPLANT WITH BOOSTED GAS TURBINE ENGINE
- Publication number 20230415902
- Publication date Dec 28, 2023
- Raytheon Technologies Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SPLITTER AND GUIDE VANE ARRANGEMENT FOR GAS TURBINE ENGINES
- Publication number 20230407817
- Publication date Dec 21, 2023
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH POWER DENSITY RANGE
- Publication number 20230383699
- Publication date Nov 30, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS OF DUAL-SPOOL POWER MANAGEMENT
- Publication number 20230374944
- Publication date Nov 23, 2023
- Raytheon Technologies Corporation
- PAUL R. HANRAHAN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL
- Publication number 20230358176
- Publication date Nov 9, 2023
- Raytheon Technologies Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL
- Publication number 20230358165
- Publication date Nov 9, 2023
- Raytheon Technologies Corporation
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARBOX ARRANGEMENT FOR CLOSE TO CONSTANT SPEED ACCESSORIES
- Publication number 20230332546
- Publication date Oct 19, 2023
- Paul R. Hanrahan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GEARED ARCHITECTURE FOR HIGH SPEED AND SMALL VOLUME FAN DRIVE TURBINE
- Publication number 20230235715
- Publication date Jul 27, 2023
- Raytheon Technologies Corporation
- Michael E. McCune
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE
- Publication number 20230220784
- Publication date Jul 13, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CROSSOVER COOLING FLOW FOR MULTI-ENGINE SYSTEMS
- Publication number 20230212981
- Publication date Jul 6, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
DIFFERENTIAL GEARED AMPLIFICATION OF AUXILIARY POWER UNIT
- Publication number 20230212985
- Publication date Jul 6, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...
- Publication number 20230193830
- Publication date Jun 22, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AIRCRAFT HYBRID PROPULSION FAN DRIVE GEAR SYSTEM DC MOTORS AND GENE...
- Publication number 20230182909
- Publication date Jun 15, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GEARED TURBOFAN ARCHITECTURE
- Publication number 20230175433
- Publication date Jun 8, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...
- Publication number 20230167752
- Publication date Jun 1, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARED TURBOFAN ENGINE WITH A HIGH RATIO OF THRUST TO TURBINE VOLUME
- Publication number 20230160337
- Publication date May 25, 2023
- Raytheon Technologies Corporation
- Frederick M. Schwarz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
LOW PRESSURE COMPRESSOR CONTROL FOR A GAS TURBINE ENGINE
- Publication number 20230089700
- Publication date Mar 23, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
TURBOFAN WITH OFFSET GAS GENERATOR AND AUXILIARY POWER CORE
- Publication number 20230037652
- Publication date Feb 9, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS TURBINE ENGINE WITH POWER DENSITY RANGE
- Publication number 20220403788
- Publication date Dec 22, 2022
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBOFAN GAS TURBINE ENGINE WITH COMBUSTED COMPRESSOR BLEED FLOW
- Publication number 20220356840
- Publication date Nov 10, 2022
- Paul R. Hanrahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Daniel Bernard Kupratis

Person

Patents Grantslast 30 patents

Aircraft engine entrained particle separation system and method

Regulating core air bled from a turbine engine core flowpath

Augmented drive of compressors via differential and multistage turbine

Inter-rotating assembly power coupling system for turbine engine

After-fan system with electrical motor for gas turbine engines

Integrated electro-aero-thermal turbine engine

Assisted engine start bleed system

Electric enhanced transmission for multi-spool load-sharing turbofa...

Geared turbofan engine with a high ratio of thrust to turbine volume

Crossover cooling flow for multi-engine systems

After-fan system for a gas turbine engine

Transmission and method for control of boost spool

Gas turbine engine with power density range

Hybrid electric fan with stall free low pressure compressor

Gas turbine engine with high speed low pressure turbine section and...

Transmission and method for control of boost spool

Differential geared amplification of auxiliary power unit

After-fan system with electrical motor for gas turbine engines

Turbofan with offset gas generator and auxiliary power core

Turbofan gas turbine engine with combusted compressor bleed flow

Splitter and guide vane arrangement for gas turbine engines

Augmented drive of compressors via differential and multistage turbine

Transmission and method for control of boost spool

Fluidic valve configuration for boost spool engine

Rating control architecture and method for hybrid electric engine

Boost spool flow control and generator load matching via load compr...

Geared architecture for high speed and small volume fan drive turbine

Differential geared amplification of auxiliary power unit

Integrated electro-aero-thermal turbine engine

Gas turbine engine with power density range

Patents Applicationslast 30 patents

AIRCRAFT POWERPLANT WITH BOOSTED GAS TURBINE ENGINE

GAS TURBINE ENGINE WITH IMPROVED HIGH PRESSURE COMPRESSOR LEAKAGE P...

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...

INTER-ROTATING ASSEMBLY POWER COUPLING SYSTEM FOR TURBINE ENGINE

ELECTRIC ENHANCED TRANSMISSION FOR MULTI-SPOOL LOAD-SHARING TURBOFA...

TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL

TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL

POWERPLANT WITH MULTIPLE INTEGRATED GAS TURBINE ENGINES

AFTER-FAN SYSTEM WITH ELECTRICAL MOTOR FOR GAS TURBINE ENGINES

AUGMENTED DRIVE OF COMPRESSORS VIA DIFFERENTIAL AND MULTISTAGE TURBINE

AIRCRAFT POWERPLANT WITH BOOSTED GAS TURBINE ENGINE

SPLITTER AND GUIDE VANE ARRANGEMENT FOR GAS TURBINE ENGINES

GAS TURBINE ENGINE WITH POWER DENSITY RANGE

SYSTEMS AND METHODS OF DUAL-SPOOL POWER MANAGEMENT

TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL

TRANSMISSION AND METHOD FOR CONTROL OF BOOST SPOOL

GEARBOX ARRANGEMENT FOR CLOSE TO CONSTANT SPEED ACCESSORIES

GEARED ARCHITECTURE FOR HIGH SPEED AND SMALL VOLUME FAN DRIVE TURBINE

INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE

CROSSOVER COOLING FLOW FOR MULTI-ENGINE SYSTEMS

DIFFERENTIAL GEARED AMPLIFICATION OF AUXILIARY POWER UNIT

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...

AIRCRAFT HYBRID PROPULSION FAN DRIVE GEAR SYSTEM DC MOTORS AND GENE...

GEARED TURBOFAN ARCHITECTURE

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND...

GEARED TURBOFAN ENGINE WITH A HIGH RATIO OF THRUST TO TURBINE VOLUME

LOW PRESSURE COMPRESSOR CONTROL FOR A GAS TURBINE ENGINE

TURBOFAN WITH OFFSET GAS GENERATOR AND AUXILIARY POWER CORE

GAS TURBINE ENGINE WITH POWER DENSITY RANGE

TURBOFAN GAS TURBINE ENGINE WITH COMBUSTED COMPRESSOR BLEED FLOW