ClassID:

145296

F05D2220/70 - CPC Classification

Classification description:

Application in combination with

Sub-classes:
Recent Application in this class:
#1
20260139622
2026-05-21

THERMOPHOTOVOLTAIC ASSEMBLY FOR AN AIRCRAFT PROPULSION SYSTEM

#2
20260092560
2026-04-02

Lubrication Circuit with Bearing Compartment Electric Pump in Scavenger Line

#3
20260049576
2026-02-19

TURBINE ENGINE EXHAUST DUCT SYSTEM AND METHODS FOR NOISE DAMPENING AND ATTENUATION

#4
20250354524
2025-11-20

METHOD FOR CONTROLLING A TURBOMACHINE COMPRISING A GAS GENERATOR AND AN ELECTRIC MOTOR

#5
20250246956
2025-07-31

MAGNET RETENTION IN EXTERIOR ROTOR ELECTRIC MACHINES

#6
20250197019
2025-06-19

HYBRID AIRCRAFT ENGINE WITH COMPRESSOR CONTROL FOR ELECTRIC MOTOR FAILURE

#7
20250179963
2025-06-05

FLEX COUPLER FOR HYBRID GAS TURBINE ENGINE POWERPLANT

#8
20250122831
2025-04-17

REVERSE FLOW GAS TURBINE ENGINE HAVING ELECTRIC MACHINE

#9
20250122830
2025-04-17

REVERSE FLOW GAS TURBINE ENGINE HAVING ELECTRIC MACHINE

#10
20250052194
2025-02-13

REVERSE FLOW GAS TURBINE ENGINE HAVING ELECTRIC MACHINE

#11
20240318596
2024-09-26

ELECTRIC POWER SYSTEM AND MOVING OBJECT

#12
20240271589
2024-08-15

Zero emission supersonic fan engine

#13
20240209796
2024-06-27

Distributed electric tip fans for distortion tolerance of turbofan engines

#14
20240209794
2024-06-27

Flex coupler for hybrid gas turbine engine powerplant

#15
20240051671
2024-02-15

Integral propulsion and auxiliary power generation system for rocket engine powered aircraft

#16
20230212979
2023-07-06

Electric machine within a turbine engine

#17
20230212959
2023-07-06

Turbine engine module with electric machine

#18
20230203988
2023-06-29

Acoustic system for determining the temperature of a supercritical fluid in a conduit

#19
20230184163
2023-06-15

IMPROVED GAS TURBINE ENGINE

#20
20230105405
2023-04-06

Energy storage plant and process

#21
20230064177
2023-03-02

Twin-engine system with electric drive

#22
20220412268
2022-12-29

HYBRID ELECTRIC MULTIPLE SHAFT CORE

#23
20220403751
2022-12-22

Electric module for an aircraft turbomachine

#24
20220325666
2022-10-13

USE COWLING AND OTHER SURFACES WITH LARGE AIRFLOWS AS HEAT DISSIPATION DEVICES FOR FC COOLING

#25
20220228529
2022-07-21

Air Powered Engine Assembly

#26
20220220898
2022-07-14

Methods for noise dampening and attenuation of turbine engine

#27
20220178309
2022-06-09

TURBINE ENGINE EXHAUST DUCT SYSTEM AND METHODS FOR NOISE DAMPENING AND ATTENUATION

#28
20220162997
2022-05-26

Method for regulating the temperature of the exhaust gases of a turbomachine

#29
20220099342
2022-03-31

Fuel driven near isothermal compressor

#30
20220063825
2022-03-03

Hybrid electric aircraft engine

#31
20220025823
2022-01-27

Hybrid electric fan with stall free low pressure compressor

#32
20220025818
2022-01-27

Turbine engine exhaust duct system and methods for noise dampening and attenuation

#33
20210380436
2021-12-09

Turbine wastewater evaporation system

#34
20210355870
2021-11-18

Twin-engine system with electric drive

#35
20210355869
2021-11-18

Reverse-flow gas turbine engine with electric motor

#36
20210340910
2021-11-04

Gearbox mechanically coupled fuel cell and COcombined cycle power generation

#37
20210317800
2021-10-14

Turbofan comprising a power supply device to drive the compressor

#38
20210270188
2021-09-02

Turbine engine exhaust duct system and methods for noise dampening and attenuation

#39
20210270187
2021-09-02

Turbine engine exhaust duct system and methods for noise dampening and attenuation

#40
20210131348
2021-05-06

Plant and plant operation method

#41
20210079849
2021-03-18

Turbine engine exhaust duct system and methods for noise dampening and attenuation

#42
20190353104
2019-11-21

Hybrid electric fan with improved low pressure compressor

#43
20190136761
2019-05-09

Integrated fuel cell and engine combustor assembly

#44
20190120077
2019-04-25

Convertible ducted fan engine

#45
20190003386
2019-01-03

System and Method for Generating Power Using A Supercritical Fluid

#46
20180355794
2018-12-13

Gas turbine system

#47
20180283219
2018-10-04

Piezo-electric motor for bowed rotor mitigation

#48
20180045113
2018-02-15

Device of high-temperature solar turbine power generation with thermal energy storage

#49
20180003069
2018-01-04

Face seal assembly and an associated method thereof

#50
20170287576
2017-10-05

Compressed air, utility-scale, non-polluting energy storage and nuclear reactor emergency cooling system using thermal power plant waste heat

#51
20170234315
2017-08-17

Gas turbine blower/pump

#52
20170186503
2017-06-29

COMPRESSED AIR, UTILITY-SCALE, NON-POLLUTING ENERGY STORAGE AND NUCLEAR REACTOR EMERGENCY COOLING SYSTEM USING THERMAL POWER PLANT WASTE HEAT

#53
20170122203
2017-05-04

System and method for generating power using a supercritical fluid

#54
20170122034
2017-05-04

Turbine Assembly for use in a Downhole Pulsing Apparatus

#55
20170096233
2017-04-06

Architecture of a multi-engine helicopter propulsion system and corresponding helicopter

#56
20170058738
2017-03-02

TREATMENT OF EMISSIONS IN POWER PLANTS

#57
20160312743
2016-10-27

Pneumatic circuit breaker based self resetting passive overspeed control valve for turbine pump assembly

#58
20160179103
2016-06-23

Device for locally regulating the delivery of gas in response to environmental variables

#59
20160123331
2016-05-05

Solar and wind powered blower utilizing a flywheel and turbine

#60
20150101342
2015-04-16

Engine

#61
20140208765
2014-07-31

Systems and methods to extend gas turbine hot gas path parts with supercharged air flow bypass

#62
20130318997
2013-12-05

Gas turbine compressor inlet pressurization and flow control system

#63
20130167557
2013-07-04

POWER PLANT

#64
18999991
2026-05-05

Hybrid turbofan and solid oxide fuel cell propulsion system and related methods

#65
18171942
2024-03-19

Hybrid-electric gas turbine engine and method of operating

#66
17847804
2023-05-16

Rating control architecture and method for hybrid electric engine

#67
17702752
2023-08-08

Stacked cold plate with flow guiding vanes and method of manufacturing

#68
17070006
2022-03-15

Thermal management system and method for cooling a hybrid electric aircraft propulsion system

#69
15643359
2020-01-14

Slow turning gear adapter to eliminate turbine bucket wear