ClassID:

136975

F01D25/20 - page 2 - CPC Classification

Classification description:

Component parts, details, or accessories, not provided for in, or of interest apart from, other groups; Lubricating arrangements using lubrication pumps

Recent Application in this class:
#301
20150330251
2015-11-19

Gas turbine engine with fluid damper

#302
20150292359
2015-10-15

Lubricating a rotating component during forward and/or reverse rotation

#303
20150260100
2015-09-17

Jet pump for depressurizing lubrication chambers of a turbomachine, having independent double injectors

#304
20150247460
2015-09-03

Sensor adapter

#305
20150233363
2015-08-20

Apparatus, controller and method for controlling the cool down of an aircraft engine rotor

#306
20150167555
2015-06-18

Fluid circuit in a turbine engine

#307
20150089918
2015-04-02

Gas turbine lubrication systems

#308
20150060206
2015-03-05

Tank having an inclined partition provided at its ends with through-holes for continuous supply of a supply liquid to a turbine engine

#309
20150033756
2015-02-05

Gas Turbine with Primary and Secondary Lubricating Oil Cooler

#310
20140318223
2014-10-30

Turbomachine lubricating oil analyzer apparatus

#311
20140311155
2014-10-23

Flow splitter for a fluid system of a gas turbine engine

#312
20140255171
2014-09-11

Lubrication system for a turbopropeller

#313
20140248125
2014-09-04

Chamber fluid removal system

#314
20140216003
2014-08-07

Gas turbine engine with geared turbofan and oil thermal management system

#315
20140208759
2014-07-31

Apparatus and method for reducing oil mist ingestion in a heavy duty gas turbine engine

#316
20140165589
2014-06-19

Gas turbine engine with accessory gear box

#317
20140161591
2014-06-12

Lubricant system

#318
20140157750
2014-06-12

TURBO-COMPRESSOR TRAIN WITH ROLLING BEARINGS AND RELATED ASSEMBLY METHOD

#319
20140150439
2014-06-05

Lubrication system for gas turbine engines

#320
20140099188
2014-04-10

Wide discourager tooth

#321
20140090930
2014-04-03

MULTIPLE RESERVOIR LUBRICATION SYSTEM

#322
20140090355
2014-04-03

Reduced trim flow gas turbine engine oil system

#323
20140083076
2014-03-27

Gas turbine engine with geared turbofan and oil thermal management system

#324
20140075951
2014-03-20

Mid-turbine frame buffer system

#325
20140075916
2014-03-20

METHOD AND DEVICE FOR SUPPLYING A LUBRICANT

#326
20140069744
2014-03-13

SYSTEM AND METHOD FOR SUPPLYING LUBE OIL TO A GAS TURBINE

#327
20140069743
2014-03-13

Lubrication system having segmented anti-backflow feature

#328
20140064908
2014-03-06

Valve for controlling flow of a turbomachine fluid

#329
20140050561
2014-02-20

Oil supply system and method for supplying oil for a turboprop engine

#330
20140026592
2014-01-30

Assembly for a jet engine of an aircraft

#331
20140026534
2014-01-30

Oil supply system for an aircraft engine

#332
20140000721
2014-01-02

Turbomachine fluid delivery system

#333
20130319798
2013-12-05

Auxiliary oil system for negative gravity event

#334
20130313049
2013-11-28

Reduced velocity valve

#335
20130309091
2013-11-21

Oil supply system for a propeller turbine engine

#336
20130305733
2013-11-21

Apparatus and method for providing damper liquid in a gas turbine engine

#337
20130255252
2013-10-03

Control of balance drift in turbocharger rotating assembly

#338
20130247538
2013-09-26

Oil discharge device and turbomachine comprising such a device

#339
20130213001
2013-08-22

Oil supply system for a stationary turbomachine

#340
20130205745
2013-08-15

Lubricating device having a bypass valve

#341
20130177398
2013-07-11

System for pressuring the bearing chambers of turbine engines machines using air taken from the intake duct

#342
20130174575
2013-07-11

Gas turbine engine starter-generator with integrated lube oil scavenge functionality

#343
20130098058
2013-04-25

Split accessory drive system

#344
20130091859
2013-04-18

AUXILIARY POWER UNIT FLUID SYSTEM FLUID CONTROL

#345
20130048091
2013-02-28

Valve for controlling flow of a turbomachine fluid

#346
20130047624
2013-02-28

Distributed lubrication system

#347
20120315137
2012-12-13

Bearing chamber apparatus

#348
20120233977
2012-09-20

Rotating fluid pumping system

#349
20120183427
2012-07-19

Lube spacer bearing with pressure loading channel

#350
20120183391
2012-07-19

Turbomachinery with integrated pump

#351
20120085528
2012-04-12

INTERDEPENDENT LUBRICATION SYSTEMS

#352
20120080272
2012-04-05

Reduced gulp fluid reservoir

#353
20120060508
2012-03-15

Gas turbine engine breather exhaust oil collector

#354
20120060463
2012-03-15

Oil varnish mitigation systems

#355
20120024631
2012-02-02

Circuit and a method for feeding oil to rolling bearings in a turbomachine

#356
20110315484
2011-12-29

Lubrication system for aircraft engine

#357
20110314830
2011-12-29

Oil supply system with main pump deaeration

#358
20110305585
2011-12-15

Lubricant system

#359
20110302903
2011-12-15

Lubrication driven gas turbine engine actuation system

#360
20110198155
2011-08-18

Method and system for lubricating a turbine engine

#361
20110155508
2011-06-30

On-demand lubrication system for improved flow management and containment

#362
20110147322
2011-06-23

LUBRICANT SUPPLY FILTRATION SYSTEM AND METHOD

#363
20110120154
2011-05-26

Passive oil level limiter

#364
20110048856
2011-03-03

Lubrication system with porous element

#365
20110047958
2011-03-03

Turbine generator system

#366
20110030385
2011-02-10

Propulsion unit

#367
20100296947
2010-11-25

Apparatus and method for providing damper liquid in a gas turbine

#368
20100213010
2010-08-26

Automatic Shut-Off Valve For The Oil Circuit In An Airplane Engine

#369
20100212281
2010-08-26

Auxiliary pump system for fan drive gear system

#370
20100115913
2010-05-13

Gas turbine plant

#371
20100086403
2010-04-08

Lubrication of windmilling journal bearings

#372
20100065375
2010-03-18

Reduced gulp fluid reservoir

#373
20100028127
2010-02-04

TURBINE ENGINE LUBRICATION METHOD AND SYSTEM

#374
20100025158
2010-02-04

Gas turbine engine systems and methods involving oil flow management

#375
20100023169
2010-01-28

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

#376
20090299535
2009-12-03

ELECTRIC MOTOR DRIVEN LUBRICATION PUMP AND LUBRICATION SYSTEM PROGNOSTIC AND HEALTH MANAGEMENT SYSTEM AND METHOD

#377
20090288384
2009-11-26

SYSTEM FOR REDUCING OIL CONSUMPTION IN GAS TURBINE ENGINES

#378
20090266229
2009-10-29

Vacuum system for membrane fuel stabilization unit

#379
20090250296
2009-10-08

Lubrication and scavenge system

#380
20090235632
2009-09-24

Gas-turbine bearing oil system with improved oil return arrangement

#381
20090235630
2009-09-24

Non-interrupted oil supply for gas turbine engine

#382
20090194044
2009-08-06

Electric supercharger

#383
20090191078
2009-07-30

Lubricating system for aircraft drive

#384
20090183950
2009-07-23

Lubrication system and method, and vortex flow separator for use therewith

#385
20090159139
2009-06-25

Recirculation valve in an aircraft engine

#386
20090152051
2009-06-18

On-demand lubrication system and method for improved flow management and containment

#387
20090151314
2009-06-18

FLUID SYSTEM

#388
20090078508
2009-03-26

ELECTRIC MOTOR DRIVEN LUBRICATION SUPPLY SYSTEM SHUTDOWN SYSTEM AND METHOD

#389
20090077943
2009-03-26

Gas turbine power plant

#390
20090057060
2009-03-05

Recirculating lubrication system with sealed lubrication oil storage

#391
20090045014
2009-02-19

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

#392
20090003992
2009-01-01

Reduced gearbox size by separate electrically powered engine oil system

#393
20080264726
2008-10-30

Isolation valve for the oil circuit of an airplane engine

#394
20080196974
2008-08-21

Device and method of standby lubrication for an engine

#395
20080196383
2008-08-21

Airframe mounted electric motor driven lubrication pump control deoil system

#396
20080134657
2008-06-12

Oil scavenge system for a gas turbine engine

#397
20080127627
2008-06-05

Compact recirculating lubrication system for a miniature gas turbine engine

#398
20080110813
2008-05-15

Sump housing

#399
20080110596
2008-05-15

Interdependent lubrication systems in a turbine engine

#400
20080105493
2008-05-08

Fluid system

#401
20080098712
2008-05-01

Rotor brake and windmilling lubrication system for geared turbofan engine

#402
20080096714
2008-04-24

Lubrication of windmilling journal bearings

#403
20080093174
2008-04-24

Tip turbine engine with a heat exchanger

#404
20080093171
2008-04-24

Gearbox lubrication supply system for a tip engine

#405
20080006483
2008-01-10

Interruption tolerant lubrication system

#406
20070289310
2007-12-20

Apparatus and method for controlling engine windmilling

#407
20070256421
2007-11-08

Gas turbine engine oil system operation

#408
20070246302
2007-10-25

Pre-heating an aircraft oil reservoir

#409
20070213917
2007-09-13

Gas turbine speed detection

#410
20070193276
2007-08-23

Supercore sump vent pressure control

#411
20070180830
2007-08-09

System for reducing oil consumption in gas turbine engines

#412
20070144138
2007-06-28

Scavenge pump system and method

#413
20070137935
2007-06-21

Method and apparatus for sampling lubricant

#414
20070131110
2007-06-14

Vacuum system for membrane fuel stabilization unit

#415
20060263202
2006-11-23

Curved blade oil scoop

#416
20060254250
2006-11-16

Drain tube for a low-pressure shaft of a turbomachine

#417
20060249332
2006-11-09

Oil supply and scavenge system

#418
20060248865
2006-11-09

Air/oil separation system and method

#419
20060090449
2006-05-04

Lubrication system for a counter-rotating turbine engine and method of assembling same

#420
20060081419
2006-04-20

Lubrication system

#421
20060075754
2006-04-13

Aeroengine oil tank fire protection system

#422
20060060170
2006-03-23

Supercharger lubrication structure

#423
20060054406
2006-03-16

Active gas turbine lubrication system flow control

#424
20060032261
2006-02-16

Thermal management of a gas turbine bearing compartment utilizing separate lubrication and cooling circuits

#425
20050211093
2005-09-29

Air/oil separation system and method

#426
20050188704
2005-09-01

Aircraft gas turbine engines

#427
20050081507
2005-04-21

Fluid system

#428
20050039433
2005-02-24

Gas turbine power plant

#429
19098382
2026-05-26

Maintainable design for bearing compartment service line incorporating a grooved end

#430
19059571
2025-11-25

Active de-aerator for aircraft power plant

#431
19059543
2026-03-17

Active de-aerator for aircraft power plant

#432
18975887
2025-10-21

Turbine engine having a lubrication system with a gearbox lubrication system parameter