ClassID:

139246

F02C9/58 - CPC Classification

Classification description:

Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants; Control of fuel supply conjointly with another control of the plant with power transmission control with control of a variable-pitch propeller

Recent Application in this class:
#1
20250243819
2025-07-31

Hybrid Electric Propulsion System with Start Sequence and Shutdown Sequence

#2
20250084799
2025-03-13

SYSTEM AND METHOD FOR DETECTING AND REDUCING TORQUE IN A TURBINE ENGINE

#3
20240271577
2024-08-15

Hybrid electric propulsion system with start sequence and shutdown sequence

#4
20240167421
2024-05-23

Fan module equipped with an oil transfer device

#5
20230366358
2023-11-16

Method and system for regulating the thrust of an aircraft turbomachine

#6
20230279805
2023-09-07

Levered counterweight feathering system

#7
20230250766
2023-08-10

Method and system of operating an airplane engine

#8
20230193855
2023-06-22

Morphing structures for fan inlet variable vanes

#9
20230192305
2023-06-22

Control device of flying object

#10
20230044195
2023-02-09

Morphing structures for fan inlet variable vanes

#11
20220412254
2022-12-29

Levered counterweight feathering system

#12
20220333535
2022-10-20

Engine and propeller control system

#13
20220120224
2022-04-21

System and method for providing in-flight reverse thrust for an aircraft

#14
20220009615
2022-01-13

Hybrid electric powerplant (HEP) control architecture

#15
20210215106
2021-07-15

Control system and method for managing a reverse-mode operation in a gas turbine engine

#16
20210180525
2021-06-17

System and method for propeller speed governing

#17
20210102504
2021-04-08

Method and system for operating an aircraft powerplant

#18
20210017915
2021-01-21

Control system and method for propeller-speed overshoot limitation in a turbopropeller engine

#19
20210009278
2021-01-14

System and method for combined propeller speed and propeller pitch control for a turbopropeller engine

#20
20200377219
2020-12-03

Variable pitch for coordinated control

#21
20200362723
2020-11-19

System and method for detecting an uncommanded or uncontrollable high thrust event in an aircraft

#22
20200285232
2020-09-10

Reverse tactile cue for rotorcraft rotor overspeed protection

#23
20200269989
2020-08-27

Methods and systems for controlling operation of aircraft engines

#24
20200232395
2020-07-23

METHOD AND SYSTEM FOR OPERATING A GAS TURBINE ENGINE COUPLED TO AN AIRCRAFT PROPELLER

#25
20200165984
2020-05-28

Integrated propeller and engine controller

#26
20200165983
2020-05-28

Engine and propeller control system

#27
20200164996
2020-05-28

Autothrottle control for turboprop engines

#28
20200141314
2020-05-07

GAS TURBINE ENGINE

#29
20200024981
2020-01-23

Variable pitch fan actuator

#30
20200010219
2020-01-09

System and method for testing control logic for a propeller of a gas turbine engine

#31
20190390607
2019-12-26

Method for controlling the speed and the power of a turbine engine propeller

#32
20190384234
2019-12-19

Turbopropeller engine control system and method, providing optimized efficiency

#33
20190055901
2019-02-21

Method and system for limiting power of an engine

#34
20190039454
2019-02-07

Automatic transmission

#35
20180246510
2018-08-30

Reverse tactile cue for rotorcraft rotor overspeed protection

#36
20180237125
2018-08-23

Autothrottle control for turboprop engines

#37
20180231016
2018-08-16

Thrust-ring and rotor fan system

#38
20180222596
2018-08-09

Methods and systems for controlling operation of aircraft engines

#39
20180155040
2018-06-07

Variable pitch for coordinated control

#40
20180119705
2018-05-03

Thrust ring and rotor fan system with passive leading edge slats

#41
20180112603
2018-04-26

Power plant thrust management system for turboprop engines

#42
20180045123
2018-02-15

Turbopropeller control system with control saturation management

#43
20170254296
2017-09-07

Rocket engine bipropellant supply system including an electrolyzer

#44
20170138207
2017-05-18

Variable pitch fan actuator

#45
20170107914
2017-04-20

Thrust scheduling method for variable pitch fan engines and turbo-shaft, turbo-propeller engines

#46
20170066525
2017-03-09

System and method for propeller pitch control

#47
20170058683
2017-03-02

Variable pitch fan pitch range limiter

#48
20160159461
2016-06-09

Method and system for model based control for variable pitch fan engines and turbo-shaft, turbo-propeller engines

#49
20130323050
2013-12-05

Electrohydraulic propeller governor

#50
20130052016
2013-02-28

Pitch control of contra-rotating airfoil blades

#51
20120134822
2012-05-31

Hub for a propeller having variable pitch blades

#52
20110171030
2011-07-14

Back-up featherer

#53
20100080704
2010-04-01

Method and system for limiting blade pitch

#54
20090097959
2009-04-16

Optimization method for power generation systems

#55
20080020891
2008-01-24

Engine arrangement

#56
20070056291
2007-03-15

Propeller or propeller drive

#57
20060112688
2006-06-01

Optimization method for power generation systems

#58
20050118021
2005-06-02

Optimization method for power generation systems

#59
18758112
2025-12-09

Open rotor with fixed guide vane/stator