in helicopters

Industry

CPC
F05D2220/329

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F05Engines, pumps F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS F05D2220/00Application

Current Industry

F05D2220/329in helicopters

Industries

Patents Grantslast 30 patents

Information Patent Grant
Turboshaft gas turbine engine
- Patent number 12,098,644
- Issue date Sep 24, 2024
- Pratt & Whitney Canada Corp.
- Keith Morgan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for regulating a turbomachine comprising a temporary power-i...
- Patent number 12,078,101
- Issue date Sep 3, 2024
- SAFRAN HELICOPTER ENGINES
- Frédéric Gaétan Pousse
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ignition method and device
- Patent number 12,055,101
- Issue date Aug 6, 2024
- SAFRAN HELICOPTER ENGINES
- Eric Michel Bondivenne
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Aircraft comprising at least two turboshaft engines and device conf...
- Patent number 12,012,215
- Issue date Jun 18, 2024
- Airbus Helicopters
- Stephane Cerqueira
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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
Aircraft power architecture
- Patent number 11,988,097
- Issue date May 21, 2024
- SAFRAN HELICOPTER ENGINES
- Olivier Lafargue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Recovered-cycle aircraft turbomachine
- Patent number 11,988,112
- Issue date May 21, 2024
- SAFRAN HELICOPTER ENGINES
- Bernard Claude Pons
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for controlling an airflow guiding system, in particular in...
- Patent number 11,982,192
- Issue date May 14, 2024
- SAFRAN HELICOPTER ENGINES
- Frédéric Anthony Alain Imbourg
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for optimal speed protection for power turbine...
- Patent number 11,976,633
- Issue date May 7, 2024
- RTX Corporation
- Chaohong Cai
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Reduced-engine operation technique for rotorcraft
- Patent number 11,975,860
- Issue date May 7, 2024
- Textron Innovations Inc.
- Thomas Dewey Parsons
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for governing an engine at low power
- Patent number 11,952,138
- Issue date Apr 9, 2024
- Pratt & Whitney Canada Corp.
- Martin Drolet
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method of operating multi-engine system
- Patent number 11,939,914
- Issue date Mar 26, 2024
- Pratt & Whitney Canada Corp.
- Philippe Beauchesne-Martel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi-engine system and method
- Patent number 11,920,479
- Issue date Mar 5, 2024
- Pratt & Whitney Canada Corp.
- Keith Morgan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for monitoring the operating state of a system for positioni...
- Patent number 11,920,483
- Issue date Mar 5, 2024
- SAFRAN HELICOPTER ENGINES
- Matthieu Julien Gallot
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Multi-engine system and power transfer between engines thereof
- Patent number 11,905,888
- Issue date Feb 20, 2024
- Pratt & Whitney Canada Corp.
- Daniel Coutu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for quickly stopping the rotor of a helicopter after landing
- Patent number 11,852,023
- Issue date Dec 26, 2023
- SAFRAN HELICOPTER ENGINES
- Olivier Bedrine
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Accessory box for a turbomachine
- Patent number 11,795,881
- Issue date Oct 24, 2023
- SAFRAN TRANSMISSION SYSTEMS
- Julien Viel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbine engine secondary ejector system
- Patent number 11,772,783
- Issue date Oct 3, 2023
- Lockheed Martin Corporation
- Donald W. Lamb
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Blade component, method for manufacture of same, and gas turbine
- Patent number 11,761,340
- Issue date Sep 19, 2023
- Rolls-Royce Deutschland Ltd & Co KG
- Thomas Wunderlich
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Air system switching system to allow aero-engines to operate in sta...
- Patent number 11,732,643
- Issue date Aug 22, 2023
- Pratt & Whitney Canada Corp.
- Kevin Ng
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Real time engine inlet barrier filter condition monitor
- Patent number 11,713,692
- Issue date Aug 1, 2023
- Textron Innovations Inc.
- Thomas Dewey Parsons
- G07 - CHECKING-DEVICES
Information Patent Grant
Twin-engine system with electric drive
- Patent number 11,708,792
- Issue date Jul 25, 2023
- Pratt & Whitney Canada Corp.
- Guy Lefebvre
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotorcraft engine inlet configuration to optimize performance in bo...
- Patent number 11,702,218
- Issue date Jul 18, 2023
- Textron Innovations Inc.
- Thomas Dewey Parsons
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method of operating multi-engine system
- Patent number 11,674,456
- Issue date Jun 13, 2023
- Pratt & Whitney Canada Corp.
- Philippe Beauchesne-Martel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gas turbine engine with clutch system between low-pressure compress...
- Patent number 11,668,245
- Issue date Jun 6, 2023
- Pratt & Whitney Canada Corp.
- Ghislain Plante
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Power management methods for multi engine rotorcraft
- Patent number 11,649,045
- Issue date May 16, 2023
- Textron Innovations Inc.
- William Mathisen Gons
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Aircraft air intake systems employing gills
- Patent number 11,643,968
- Issue date May 9, 2023
- Textron Innovations Inc.
- Bruce Bennett Bacon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for operating multi-engine rotorcraft
- Patent number 11,643,965
- Issue date May 9, 2023
- Pratt & Whitney Canada Corp.
- Philippe Beauchesne-Martel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotor support device, rotor, gas turbine engine, and aircraft
- Patent number 11,639,667
- Issue date May 2, 2023
- SUBARU CORPORATION
- Hiroki Kato
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Multistage infrared suppression exhaust system
- Patent number 11,608,189
- Issue date Mar 21, 2023
- Textron Innovations Inc.
- Robert Michael Laramee
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
PULSE MODULATION TECHNIQUE FOR GAS TURBINE ENGINES
- Publication number 20240084742
- Publication date Mar 14, 2024
- TEXTRON INNOVATIONS INC.
- Joshua Andrew Emrich
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
IGNITION METHOD AND DEVICE
- Publication number 20240052783
- Publication date Feb 15, 2024
- SAFRAN HELICOPTER ENGINES
- Eric Michel BONDIVENNE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIRCRAFT COMPRISING AT LEAST TWO TURBOSHAFT ENGINES AND DEVICE CONF...
- Publication number 20240025552
- Publication date Jan 25, 2024
- Airbus Helicopters
- Stephane CERQUEIRA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DEVICE FOR CONTROLLING AN AIRFLOW GUIDING SYSTEM, IN PARTICULAR IN...
- Publication number 20230417156
- Publication date Dec 28, 2023
- SAFRAN HELICOPTER ENGINES
- Frédéric Anthony Alain Imbourg
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
RECOVERED-CYCLE AIRCRAFT TURBOMACHINE
- Publication number 20230220779
- Publication date Jul 13, 2023
- SAFRAN HELICOPTER ENGINES
- Bernard Claude PONS
- 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
REDUCED-ENGINE OPERATION TECHNIQUE FOR ROTORCRAFT
- Publication number 20230211876
- Publication date Jul 6, 2023
- Bell Textron Inc.
- Thomas Dewey Parsons
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
METHOD FOR QUICKLY STOPPING THE ROTOR OF A HELICOPTER AFTER LANDING
- Publication number 20230193779
- Publication date Jun 22, 2023
- SAFRAN HELICOPTER ENGINES
- Olivier BEDRINE
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SYSTEM AND METHOD OF OPERATING MULTI-ENGINE SYSTEM
- Publication number 20230175444
- Publication date Jun 8, 2023
- Pratt & Whitney Canada Corp.
- Philippe BEAUCHESNE-MARTEL
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR GOVERNING AN ENGINE AT LOW POWER
- Publication number 20230113130
- Publication date Apr 13, 2023
- Pratt & Whitney Canada Corp.
- Martin DROLET
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBOSHAFT GAS TURBINE ENGINE
- Publication number 20230075494
- Publication date Mar 9, 2023
- Pratt & Whitney Canada Corp.
- Keith MORGAN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TWIN-ENGINE SYSTEM WITH ELECTRIC DRIVE
- Publication number 20230064177
- Publication date Mar 2, 2023
- Pratt & Whitney Canada Corp.
- Guy LEFEBVRE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-ENGINE SYSTEM AND POWER TRANSFER BETWEEN ENGINES THEREOF
- Publication number 20230034946
- Publication date Feb 2, 2023
- Pratt & Whitney Canada Corp.
- Daniel COUTU
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Power Management Methods for Multi Engine Rotorcraft
- Publication number 20230013754
- Publication date Jan 19, 2023
- TEXTRON INNOVATIONS INC.
- William Mathisen Gons
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Aircraft Air Intake Systems Employing Gills
- Publication number 20220356841
- Publication date Nov 10, 2022
- TEXTRON INNOVATIONS INC.
- Bruce Bennett Bacon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD FOR CONFIGURING A DIGITAL FILTER FOR ATTENUATING A FREQUENCY...
- Publication number 20220220979
- Publication date Jul 14, 2022
- SAFRAN AIRCRAFT ENGINES
- Typhaine RASLAIN
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
BLADE COMPONENT, METHOD FOR MANUFACTURE OF SAME, AND GAS TURBINE
- Publication number 20220195875
- Publication date Jun 23, 2022
- ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
- Thomas WUNDERLICH
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR CONTROLLING A POWER PLANT OF A ROTORCRAFT COMPRISING AT...
- Publication number 20220135239
- Publication date May 5, 2022
- AIRBUS HELICOPTERS
- Luca COSSETTI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR GOVERNING AN ENGINE AT LOW POWER
- Publication number 20220106913
- Publication date Apr 7, 2022
- Pratt & Whitney Canada Corp.
- Martin DROLET
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD AND SYSTEM FOR OPERATING A GAS TURBINE ENGINE TO AVOID RESTR...
- Publication number 20220106915
- Publication date Apr 7, 2022
- Pratt & Whitney Canada Corp.
- Philippe BEAUCHESNE-MARTEL
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD FOR REGULATING A TURBOMACHINE COMPRISING A TEMPORARY POWER-I...
- Publication number 20220106908
- Publication date Apr 7, 2022
- SAFRAN HELICOPTER ENGINES
- Frédéric Gaétan POUSSE
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD FOR MONITORING THE OPERATING STATE OF A SYSTEM FOR POSITIONI...
- Publication number 20220082027
- Publication date Mar 17, 2022
- SAFRAN HELICOPTER ENGINES
- Matthieu Julien GALLOT
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
MULTISTAGE INFRARED SUPPRESSION EXHAUST SYSTEM
- Publication number 20220048640
- Publication date Feb 17, 2022
- Bell Textron Inc.
- Robert Michael Laramee
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VEHICLE PROVIDED, AT THE INTAKE, WITH AN AIR FILTER AND CORRESPONDI...
- Publication number 20220041294
- Publication date Feb 10, 2022
- BMC S.R.L.
- Gaetano BERGAMI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ARCHITECTURE FOR A PROPULSION SYSTEM OF A HELICOPTER INCLUDING A HY...
- Publication number 20220024568
- Publication date Jan 27, 2022
- SAFRAN HELICOPTER ENGINES
- Philippe Vallart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HIGH SPEED ROTORCRAFT PROPULSION CONFIGURATION
- Publication number 20220024574
- Publication date Jan 27, 2022
- TEXTRON INNOVATIONS INC.
- Troy C. Schank
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE ENGINE SECONDARY EJECTOR SYSTEM
- Publication number 20210362843
- Publication date Nov 25, 2021
- Lockheed Martin Corporation
- Donald W. Lamb
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
TWIN-ENGINE SYSTEM WITH ELECTRIC DRIVE
- Publication number 20210355870
- Publication date Nov 18, 2021
- Pratt & Whitney Canada Corp.
- Guy LEFEBVRE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS FOR OPTIMAL SPEED PROTECTION FOR POWER TURBINE...
- Publication number 20210340956
- Publication date Nov 4, 2021
- Raytheon Technologies Corporation
- Chaohong Cai
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
AXIAL INERTIAL PARTICLE SEPARATOR FOR TURBINE ENGINE
- Publication number 20210324795
- Publication date Oct 21, 2021
- Pratt & Whitney Canada Corp.
- David MENHEERE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

in helicopters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Turboshaft gas turbine engine

Method for regulating a turbomachine comprising a temporary power-i...

Ignition method and device

Aircraft comprising at least two turboshaft engines and device conf...

Crossover cooling flow for multi-engine systems

Aircraft power architecture

Recovered-cycle aircraft turbomachine

Device for controlling an airflow guiding system, in particular in...

Systems and methods for optimal speed protection for power turbine...

Reduced-engine operation technique for rotorcraft

Method and system for governing an engine at low power

System and method of operating multi-engine system

Multi-engine system and method

Method for monitoring the operating state of a system for positioni...

Multi-engine system and power transfer between engines thereof

Method for quickly stopping the rotor of a helicopter after landing

Accessory box for a turbomachine

Turbine engine secondary ejector system

Blade component, method for manufacture of same, and gas turbine

Air system switching system to allow aero-engines to operate in sta...

Real time engine inlet barrier filter condition monitor

Twin-engine system with electric drive

Rotorcraft engine inlet configuration to optimize performance in bo...

System and method of operating multi-engine system

Gas turbine engine with clutch system between low-pressure compress...

Power management methods for multi engine rotorcraft

Aircraft air intake systems employing gills

System and method for operating multi-engine rotorcraft

Rotor support device, rotor, gas turbine engine, and aircraft

Multistage infrared suppression exhaust system

Patents Applicationslast 30 patents

PULSE MODULATION TECHNIQUE FOR GAS TURBINE ENGINES

IGNITION METHOD AND DEVICE

AIRCRAFT COMPRISING AT LEAST TWO TURBOSHAFT ENGINES AND DEVICE CONF...

DEVICE FOR CONTROLLING AN AIRFLOW GUIDING SYSTEM, IN PARTICULAR IN...

RECOVERED-CYCLE AIRCRAFT TURBOMACHINE

CROSSOVER COOLING FLOW FOR MULTI-ENGINE SYSTEMS

REDUCED-ENGINE OPERATION TECHNIQUE FOR ROTORCRAFT

METHOD FOR QUICKLY STOPPING THE ROTOR OF A HELICOPTER AFTER LANDING

SYSTEM AND METHOD OF OPERATING MULTI-ENGINE SYSTEM

METHOD AND SYSTEM FOR GOVERNING AN ENGINE AT LOW POWER

TURBOSHAFT GAS TURBINE ENGINE

TWIN-ENGINE SYSTEM WITH ELECTRIC DRIVE

MULTI-ENGINE SYSTEM AND POWER TRANSFER BETWEEN ENGINES THEREOF

Power Management Methods for Multi Engine Rotorcraft

Aircraft Air Intake Systems Employing Gills

METHOD FOR CONFIGURING A DIGITAL FILTER FOR ATTENUATING A FREQUENCY...

BLADE COMPONENT, METHOD FOR MANUFACTURE OF SAME, AND GAS TURBINE

METHOD FOR CONTROLLING A POWER PLANT OF A ROTORCRAFT COMPRISING AT...

METHOD AND SYSTEM FOR GOVERNING AN ENGINE AT LOW POWER

METHOD AND SYSTEM FOR OPERATING A GAS TURBINE ENGINE TO AVOID RESTR...

METHOD FOR REGULATING A TURBOMACHINE COMPRISING A TEMPORARY POWER-I...

METHOD FOR MONITORING THE OPERATING STATE OF A SYSTEM FOR POSITIONI...

MULTISTAGE INFRARED SUPPRESSION EXHAUST SYSTEM

VEHICLE PROVIDED, AT THE INTAKE, WITH AN AIR FILTER AND CORRESPONDI...

ARCHITECTURE FOR A PROPULSION SYSTEM OF A HELICOPTER INCLUDING A HY...

HIGH SPEED ROTORCRAFT PROPULSION CONFIGURATION

TURBINE ENGINE SECONDARY EJECTOR SYSTEM

TWIN-ENGINE SYSTEM WITH ELECTRIC DRIVE

SYSTEMS AND METHODS FOR OPTIMAL SPEED PROTECTION FOR POWER TURBINE...

AXIAL INERTIAL PARTICLE SEPARATOR FOR TURBINE ENGINE