by counter rotation

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F05D2250/44

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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 F05D2250/00Geometry

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F05D2250/44by counter rotation

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Patents Grantslast 30 patents

Information Patent Grant
Ferrule for counter-rotating turbine impeller
- Patent number 12,085,014
- Issue date Sep 10, 2024
- SAFRAN AIRCRAFT ENGINES
- Simon Jean-Marie Bernard Cousseau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cooling device for a turbomachine casing
- Patent number 11,814,967
- Issue date Nov 14, 2023
- SAFRAN AIRCRAFT ENGINES
- Ulysse Jacques Bernard Danteny
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Electric turbomachine
- Patent number 11,680,486
- Issue date Jun 20, 2023
- Rolls-Royce PLC
- Chloe J. Palmer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine with interdigitated turbine and gear assembly
- Patent number 11,428,160
- Issue date Aug 30, 2022
- General Electric Company
- Pranav Kamat
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Aircraft turbomachine with mechanical reducer and contrarotative tu...
- Patent number 11,415,045
- Issue date Aug 16, 2022
- SAFRAN AIRCRAFT ENGINES
- Paul Ghislain Albert Levisse
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Outer drum rotor assembly
- Patent number 11,085,309
- Issue date Aug 10, 2021
- General Electric Company
- Bhaskar Nanda Mondal
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System for changing the pitch of a turboprop engine comprising an u...
- Patent number 11,052,994
- Issue date Jul 6, 2021
- SAFRAN AIRCRAFT ENGINES
- Gilles Alain Charier
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotatable torque frame for gas turbine engine
- Patent number 10,961,850
- Issue date Mar 30, 2021
- General Electric Company
- Gert Johannes van der Merwe
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Geared turbofan with three turbines all counter-rotating
- Patent number 10,830,130
- Issue date Nov 10, 2020
- Raytheon Technologies Corporation
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Counter rotating turbine with reversing speed reduction assembly
- Patent number 10,815,881
- Issue date Oct 27, 2020
- General Electric Company
- Jeffrey Donald Clements
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Counter rotating turbine with reversing reduction gear assembly
- Patent number 10,801,442
- Issue date Oct 13, 2020
- General Electric Company
- Jeffrey Donald Clements
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Aircraft comprising a turbojet engine integrated into the rear fuse...
- Patent number 10,746,044
- Issue date Aug 18, 2020
- SAFRAN AIRCRAFT ENGINES
- Nicolas Jerome Jean Tantot
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Air bearing and thermal management nozzle arrangement for interdigi...
- Patent number 10,669,893
- Issue date Jun 2, 2020
- General Electric Company
- Alan Roy Stuart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Flow metering and retention system
- Patent number 10,634,005
- Issue date Apr 28, 2020
- United Technologies Corporation
- Dalton C. Petrillo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Interdigitated turbine engine air bearing cooling structure and met...
- Patent number 10,605,168
- Issue date Mar 31, 2020
- General Electric Company
- Alan Roy Stuart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Counter-rotating electric generator in turbine engine
- Patent number 10,513,986
- Issue date Dec 24, 2019
- Rolls-Royce North American Technologies, Inc.
- Bradley Eugene Auker
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Core differential bearing with centering spring and squeeze film da...
- Patent number 10,358,942
- Issue date Jul 23, 2019
- General Electric Company
- Thomas Ory Moniz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Counter-rotating low pressure turbine without turbine exhaust case
- Patent number 10,190,497
- Issue date Jan 29, 2019
- United Technologies Corporation
- Gabriel L. Suciu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Geared annular airflow actuation system for variable cycle gas turb...
- Patent number 10,060,286
- Issue date Aug 28, 2018
- United Technologies Corporation
- Felix Izquierdo
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine with cooling scheme for drive gear system and pi...
- Patent number 9,909,504
- Issue date Mar 6, 2018
- United Technologies Corporation
- Gabriel L. Suciu
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Compressor areas for high overall pressure ratio gas turbine engine
- Patent number 9,897,001
- Issue date Feb 20, 2018
- United Technologies Corporation
- Frederick M. Schwarz
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Gas turbine apparatus
- Patent number 9,670,839
- Issue date Jun 6, 2017
- Doosan Heavy Industries & Construction Co., Ltd.
- Sung Ryong Lee
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Multi-stage axial compressor with counter-rotation using accessory...
- Patent number 9,353,754
- Issue date May 31, 2016
- Embry. Riddle Aeronautical University, Inc.
- Vinod Gehlot
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for balancing a propulsive system having non-hull contra-rot...
- Patent number 9,279,338
- Issue date Mar 8, 2016
- Airbus Operations (S.A.S.)
- Esteban Quiroz-Hernandez
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Geared turbofan with three turbines all counter-rotating
- Patent number 9,074,485
- Issue date Jul 7, 2015
- United Technologies Corporation
- Gabriel L. Suciu
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for balancing a propulsive system having non-hull contra-rot...
- Patent number 8,998,580
- Issue date Apr 7, 2015
- Airbus Operations (SAS)
- Esteban Quiroz-Hernandez
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Shock cancellation mechanism for the control of unsteady interactio...
- Patent number 8,739,508
- Issue date Jun 3, 2014
- The United States of America as represented by the Secretary of the Air Force
- John P. Clark
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Aircraft gas turbine engine
- Patent number 8,720,208
- Issue date May 13, 2014
- Rolls-Royce Deutschland Ltd & Co KG
- Dimitrie Negulescu
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Back-up featherer
- Patent number 8,573,927
- Issue date Nov 5, 2013
- Rolls-Royce PLC
- Andrew Swift
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
IMPROVED FERRULE FOR COUNTER-ROTATING TURBINE IMPELLER
- Publication number 20240093638
- Publication date Mar 21, 2024
- SAFRAN AIRCRAFT ENGINES
- Simon Jean-Marie Bernard COUSSEAU
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBINE WITH PRESSURISED CAVITIES
- Publication number 20230296023
- Publication date Sep 21, 2023
- SAFRAN AIRCRAFT ENGINES
- Matthieu SIMON
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE
- Publication number 20230203985
- Publication date Jun 29, 2023
- SAFRAN AIRCRAFT ENGINES
- Olivier FORMICA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
A COOLING DEVICE FOR A TURBOMACHINE CASING
- Publication number 20220243605
- Publication date Aug 4, 2022
- SAFRAN AIRCRAFT ENGINES
- Ulysse Jacques Bernard DANTENY
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH INTERDIGITATED TURBINE AND GEAR ASSEMBLY
- Publication number 20220205387
- Publication date Jun 30, 2022
- GENERAL ELECTRIC COMPANY
- Pranav Kamat
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS TURBINE FOR TWIN-ROTOR AIRCRAFT
- Publication number 20220178331
- Publication date Jun 9, 2022
- SAFRAN AIRCRAFT ENGINES
- Patrick SULTANA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM FOR CHANGING THE PITCH OF A TURBOPROP ENGINE COMPRISING AN U...
- Publication number 20200247528
- Publication date Aug 6, 2020
- SAFRAN AIRCRAFT ENGINES
- Gilles Alain CHARIER
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Aircraft Turbomachine with Mechanical Reducer and Contrarotative Tu...
- Publication number 20200116081
- Publication date Apr 16, 2020
- SAFRAN AIRCRAFT ENGINES
- Paul Ghislain Albert Levisse
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ROTATABLE TORQUE FRAME FOR GAS TURBINE ENGINE
- Publication number 20190085698
- Publication date Mar 21, 2019
- GENERAL ELECTRIC COMPANY
- Gert Johannes van der Merwe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COUNTER ROTATING TURBINE WITH REVERSING SPEED REDUCTION ASSEMBLY
- Publication number 20190085766
- Publication date Mar 21, 2019
- GENERAL ELECTRIC COMPANY
- Jeffrey Donald Clements
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Counter Rotating Turbine with Reversing Reduction Gear Assembly
- Publication number 20180320632
- Publication date Nov 8, 2018
- GENERAL ELECTRIC COMPANY
- Jeffrey Donald Clements
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARED TURBOFAN WITH THREE TURBINES ALL COUNTER-ROTATING
- Publication number 20180128168
- Publication date May 10, 2018
- United Technologies Corporation
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COUNTER-ROTATING LOW PRESSURE TURBINE WITHOUT TURBINE EXHAUST CASE
- Publication number 20160040594
- Publication date Feb 11, 2016
- United Technologies Corporation
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE APPARATUS
- Publication number 20140290209
- Publication date Oct 2, 2014
- Doosan Heavy Industries & Construction Co., Ltd.
- Sung Ryong LEE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-STAGE AXIAL COMPRESSOR WITH COUNTER-ROTATION USING ACCESSORY...
- Publication number 20140286749
- Publication date Sep 25, 2014
- Embry-Riddle Aeronautical University, Inc.
- Vinod Gehlot
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
GEARED TURBOFAN WITH THREE TURBINES ALL COUNTER-ROTATING
- Publication number 20130287545
- Publication date Oct 31, 2013
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO CO-ROTATING AND...
- Publication number 20130259650
- Publication date Oct 3, 2013
- Frederick M. Schwarz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COUNTER-ROTATING LOW PRESSURE TURBINE WITH GEAR SYSTEM MOUNTED TO M...
- Publication number 20130219856
- Publication date Aug 29, 2013
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COUNTER ROTATING LOW PRESSURE TURBINE WITH SPLITTER GEAR SYSTEM
- Publication number 20130223983
- Publication date Aug 29, 2013
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COUNTER-ROTATING LOW PRESSURE TURBINE WITHOUT TURBINE EXHAUST CASE
- Publication number 20130219860
- Publication date Aug 29, 2013
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION
- Publication number 20130192196
- Publication date Aug 1, 2013
- Gabriel L. Suciu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method For Balancing A Propulsive System Having Non-Hull Contra-Rot...
- Publication number 20120328439
- Publication date Dec 27, 2012
- Airbus Operations (S.A.S.)
- Esteban Quiroz-Hernandez
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method For Balancing A Propulsive System Having Non-Hull Contra-Rot...
- Publication number 20120328433
- Publication date Dec 27, 2012
- Airbus Operations (S.A.S.)
- Esteban Quiroz-Hernandez
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Aircraft gas turbine engine
- Publication number 20110209458
- Publication date Sep 1, 2011
- ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
- Dimitrie NEGULESCU
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
BACK-UP FEATHERER
- Publication number 20110171030
- Publication date Jul 14, 2011
- Rolls-Royce plc
- Andrew SWIFT
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

by counter rotation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ferrule for counter-rotating turbine impeller

Cooling device for a turbomachine casing

Electric turbomachine

Gas turbine engine with interdigitated turbine and gear assembly

Aircraft turbomachine with mechanical reducer and contrarotative tu...

Outer drum rotor assembly

System for changing the pitch of a turboprop engine comprising an u...

Rotatable torque frame for gas turbine engine

Geared turbofan with three turbines all counter-rotating

Counter rotating turbine with reversing speed reduction assembly

Counter rotating turbine with reversing reduction gear assembly

Aircraft comprising a turbojet engine integrated into the rear fuse...

Air bearing and thermal management nozzle arrangement for interdigi...

Flow metering and retention system

Interdigitated turbine engine air bearing cooling structure and met...

Counter-rotating electric generator in turbine engine

Core differential bearing with centering spring and squeeze film da...

Counter-rotating low pressure turbine without turbine exhaust case

Geared annular airflow actuation system for variable cycle gas turb...

Gas turbine engine with cooling scheme for drive gear system and pi...

Compressor areas for high overall pressure ratio gas turbine engine

Gas turbine apparatus

Multi-stage axial compressor with counter-rotation using accessory...

Method for balancing a propulsive system having non-hull contra-rot...

Geared turbofan with three turbines all counter-rotating

Method for balancing a propulsive system having non-hull contra-rot...

Shock cancellation mechanism for the control of unsteady interactio...

Aircraft gas turbine engine

Back-up featherer

Patents Applicationslast 30 patents

IMPROVED FERRULE FOR COUNTER-ROTATING TURBINE IMPELLER

TURBINE WITH PRESSURISED CAVITIES

IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE

A COOLING DEVICE FOR A TURBOMACHINE CASING

GAS TURBINE ENGINE WITH INTERDIGITATED TURBINE AND GEAR ASSEMBLY

GAS TURBINE FOR TWIN-ROTOR AIRCRAFT

SYSTEM FOR CHANGING THE PITCH OF A TURBOPROP ENGINE COMPRISING AN U...

Aircraft Turbomachine with Mechanical Reducer and Contrarotative Tu...

ROTATABLE TORQUE FRAME FOR GAS TURBINE ENGINE

COUNTER ROTATING TURBINE WITH REVERSING SPEED REDUCTION ASSEMBLY

Counter Rotating Turbine with Reversing Reduction Gear Assembly

GEARED TURBOFAN WITH THREE TURBINES ALL COUNTER-ROTATING

COUNTER-ROTATING LOW PRESSURE TURBINE WITHOUT TURBINE EXHAUST CASE

GAS TURBINE APPARATUS

MULTI-STAGE AXIAL COMPRESSOR WITH COUNTER-ROTATION USING ACCESSORY...

GEARED TURBOFAN WITH THREE TURBINES ALL COUNTER-ROTATING

GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO CO-ROTATING AND...

COUNTER-ROTATING LOW PRESSURE TURBINE WITH GEAR SYSTEM MOUNTED TO M...

COUNTER ROTATING LOW PRESSURE TURBINE WITH SPLITTER GEAR SYSTEM

COUNTER-ROTATING LOW PRESSURE TURBINE WITHOUT TURBINE EXHAUST CASE

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION

Method For Balancing A Propulsive System Having Non-Hull Contra-Rot...

Method For Balancing A Propulsive System Having Non-Hull Contra-Rot...

Aircraft gas turbine engine

BACK-UP FEATHERER