ClassID:

145289

F05D2220/34 - CPC Classification

Classification description:

Application in turbines in ram-air turbines ("RATS")

Recent Application in this class:
#1
20260098479
2026-04-09

RAM AIR TURBINE FIXED WITHIN AIRCRAFT WITH ENERGY RECOVERY FROM VENTED CABIN AIR

#2
20260092580
2026-04-02

RAM AIR TURBINE FIXED WITHIN AIRCRAFT

#3
20260084829
2026-03-26

RAM AIR TURBINE

#4
20240384686
2024-11-21

AIR TURBINE STARTER WITH CONTAINMENT ASSEMBLY

#5
20240336367
2024-10-10

TURBOPROP CAPABLE OF PROVIDING A RAM AIR TURBINE FUNCTION AND AIRCRAFT COMPRISING SUCH A TURBOPROP

#6
20240286755
2024-08-29

RAM AIR TURBINE

#7
20240229810
2024-07-11

Air cycle machine bypass duct

#8
20240068379
2024-02-29

Rotor containment structure

#9
20240011406
2024-01-11

Turbomachinery seal plate with variable lattice densities

#10
20230392566
2023-12-07

Actuator release mechanism

#11
20230358191
2023-11-09

STOWABLE ELECTRIC-HYBRID PROPFAN

#12
20230358148
2023-11-09

AIRCRAFT WITH RAM AIR TURBINE DISK WITH GENERATOR HAVING BLADE SHROUD RING INTEGRATED MAGNETS

#13
20230303264
2023-09-28

AIRCRAFT WITH RAM AIR TURBINE DISK WITH GENERATOR HAVING BLADE TIP INTEGRATED MAGNETS

#14
20230243274
2023-08-03

Rotor containment structure

#15
20230160339
2023-05-25

Multi-mode engine system with gas turbine engine and turbo-compressor

#16
20230080512
2023-03-16

Turbomachinery seal plate with variable lattice densities

#17
20220049607
2022-02-17

Ram air turbine blade platform cooling

#18
20210381438
2021-12-09

In flight restart system and method for free turbine engine

#19
20210291999
2021-09-23

Ram air turbine rolling element bearing supported turbine release for load reduction

#20
20210254639
2021-08-19

Hydraulic control valves for ram air turbine stow actuators

#21
20210253266
2021-08-19

Manually actuated hydraulic circuit for ram air turbine (RAT) restow

#22
20210206506
2021-07-08

Ram air turbine systems

#23
20200369404
2020-11-26

LOCKING AND UNLOCKING MECHANISM

#24
20200290748
2020-09-17

RAM AIR TURBINES AND TRANSMISSION SYSTEMS

#25
20200284326
2020-09-10

CONTINUOUSLY VARIABLE TRANSMISSION FOR RAM AIR TURBINES

#26
20190300197
2019-10-03

Structurally improved ram fan inlet shroud

#27
20190177001
2019-06-13

Locking mechanism

#28
20190092489
2019-03-28

Release mechanism

#29
20190017492
2019-01-17

Ram air turbine blades

#30
20190010874
2019-01-10

In flight restart system and method for free turbine engine

#31
20180363495
2018-12-20

Emergency wind turbine system comprising a device for rotatably locking the turbine

#32
20180265209
2018-09-20

Apparatus and methods for distributing electric power on an aircraft during a limited power availability condition

#33
20180230834
2018-08-16

Ram air turbine blades

#34
20180201389
2018-07-19

Release mechanism

#35
20180187660
2018-07-05

MAGNETIC GAS ENGINE AND METHOD OF EXTRACTING WORK

#36
20180155051
2018-06-07

Aircraft system

#37
20180119772
2018-05-03

Three-spring ram air turbine actuator

#38
20180118368
2018-05-03

Fan module with rotatable vane ring power system

#39
20180050813
2018-02-22

Inflight stow of ram air turbine

#40
20180029722
2018-02-01

Ram air turbine cooling inlet screen heating system

#41
20180003162
2018-01-04

Spring compression device

#42
20170371368
2017-12-28

Actuator release mechanism

#43
20170350463
2017-12-07

Hydraulic damping systems

#44
20170314657
2017-11-02

Locking and unlocking mechanism

#45
20170260906
2017-09-14

Clevis link for toggle mechanism of ram air turbine actuator

#46
20170259934
2017-09-14

Cross rod for toggle mechanism of ram air turbine actuator

#47
20170184022
2017-06-29

Mobile multi-mode power generation system with mode based adjustable drag configuration

#48
20170101194
2017-04-13

Splined muff

#49
20170057655
2017-03-02

Ram air turbine system

#50
20160341225
2016-11-24

Mistake proof ram air turbine downlock protection

#51
20160333742
2016-11-17

Rat frame for a soft aircraft interface

#52
20160332744
2016-11-17

Rat mounting arrangement for a soft aircraft interface

#53
20160245118
2016-08-25

Actuator housing for ram air turbine deployment actuator

#54
20160214741
2016-07-28

Ram air turbine stow lock pin

#55
20160146035
2016-05-26

Hybrid ram air turbine

#56
20160122034
2016-05-05

Ice-shedding spinner for ram air turbine

#57
20160122027
2016-05-05

Aircraft system

#58
20160069266
2016-03-10

Heat exchanger arrangement for turbine engine

#59
20160053690
2016-02-25

In flight restart system and method for free turbine engine

#60
20160047267
2016-02-18

Ram air turbine pump leakage control

#61
20160046383
2016-02-18

Stow lock pawl for a rat actuator

#62
20160032907
2016-02-04

Magnetic Gas Engine and Method of Extracting Work

#63
20160032734
2016-02-04

FAN FOR A MULTI-FLOW TURBOSHAFT ENGINE, AND TURBOSHAFT ENGINE EQUIPPED WITH SUCH A FAN

#64
20150232195
2015-08-20

Ram air turbine actuator

#65
20150232194
2015-08-20

Stall recovery system for a ram air turbine

#66
20150064006
2015-03-05

Ram air turbine startup

#67
20150013306
2015-01-15

Hybrid gas turbine propulsion system

#68
20140373518
2014-12-25

System and method for spinning up a rotary element of a mechanical device, particularly a turbomachine

#69
20140331682
2014-11-13

HIGH-SPEED-LAUNCH RAMJET BOOSTER

#70
20140294604
2014-10-02

Hydraulic pump start system and method

#71
20140230443
2014-08-21

Rotor assembly having a concentric arrangement of a turbine portion, a cooling channel and a reinforcement wall

#72
20140070049
2014-03-13

Ram air turbine release cable assembly

#73
20140060240
2014-03-06

Combined hub, counterweight and crank arm with single piece steel body

#74
20140037423
2014-02-06

Ram air turbine overspeed protection

#75
20130292510
2013-11-07

Fluid transfer tube for severe misalignment applications

#76
20130287569
2013-10-31

Turbine lock plunger for ram air turbine assembly

#77
20130257053
2013-10-03

Ram air turbine generator housing

#78
20130256454
2013-10-03

Ram air turbine pump leakage control

#79
20130256453
2013-10-03

Ram air turbine stow abort assembly

#80
20120301273
2012-11-29

ADJUSTABLE EXHAUST APPARATUS FOR A RAM AIR TURBINE GENERATING SYSTEM

#81
20120269634
2012-10-25

Strut driveshaft for ram air turbine

#82
20120141258
2012-06-07

Air turbine starter

#83
20120133150
2012-05-31

Combination low spool generator and ram air turbine generator

#84
20120128495
2012-05-24

Ram air turbine bearing spacer

#85
20120128493
2012-05-24

HYBRID FREE-AIR GAS TURBINE ENGINE

#86
20120114485
2012-05-10

Ram air turbine startup

#87
20120107119
2012-05-03

Partial coarse pitch start Ram Air Turbine with enhanced spring support

#88
20120093653
2012-04-19

Turbine yokeplate flyweights to improve RAT startup

#89
20110229309
2011-09-22

Lightweight stow abort mechanism

#90
20110030385
2011-02-10

Propulsion unit

#91
20100266404
2010-10-21

Balancing a ram air turbine

#92
20100089027
2010-04-15

Magnetic gas engine and method of extracting work

#93
20100023169
2010-01-28

Electric motor driven lubrication pump control system and method that accomodates turbomachine windmill operation

#94
20090169359
2009-07-02

Heat exchanger arrangement for turbine engine

#95
20090045014
2009-02-19

Electric motor driven lubrication pump control system and method for turbomachine windmill operation

#96
20080110151
2008-05-15

Turbofan emergency generator

#97
20070160460
2007-07-12

Ram air turbine with compound geartrain gearbox

#98
20070137217
2007-06-21

Engine with fuel/lubricant supply system for bearing lubrication

#99
20070126292
2007-06-07

Advanced hypersonic magnetic jet/electric turbine engine (AHMJET)

#100
20060248895
2006-11-09

Magnetic gas engine and method of extracting work

#101
20060137355
2006-06-29

Fan driven emergency generator

#102
20060107648
2006-05-25

Integrated air inlet system for multi-propulsion aircraft engines

#103
20050135929
2005-06-23

Pressurized oil supply for propeller engine system

#104
17885322
2023-09-26

Additive manufactured symmetric low unbalance governor springs

#105
17702757
2023-08-08

Aircraft with ram air turbine disk with generator having blade shroud ring integrated magnets

#106
17519042
2023-03-14

Strut with inner damper rod