ClassID:

144145

F04D27/0223 - CPC Classification

Classification description:

Control, e.g. regulation, of pumps, pumping installations or systems; Surge control by bleeding, bypassing or recycling fluids Control schemes therefor

Recent Application in this class:
#1
20250164568
2025-05-22

METHODS AND SYSTEMS OF COMPRESSOR CONTROL WITH SURGE AVOIDANCE AND RESPONSE

#2
20250043796
2025-02-06

Methods and systems of compressor control with surge avoidance and response

#3
20240352896
2024-10-24

Systems and methods with distributed bleed for gas turbine engine compressor stabilization

#4
20240271631
2024-08-15

ACTUATING DEVICE, HAVING TWO VALVES WHICH ARE CONNECTED IN PARALLEL, FOR THE OPERATION OF A TURBOCOMPRESSOR

#5
20240229811
2024-07-11

METHOD OF PREVENTING DAMAGE TO A PUMP

#6
20240133392
2024-04-25

Method of preventing damage to a pump

#7
20230366409
2023-11-16

Method of preventing damage to a pump

#8
20230148411
2023-05-11

Power assisted engine start bleed system

#9
20230146834
2023-05-11

CONTROL DEVICE AND CONTROL METHOD

#10
20230126222
2023-04-27

Active stability control of compression systems utilizing electric machines

#11
20230038837
2023-02-09

Methodology and Algorithms for Protecting Centrifugal and Axial Compressors from Surge and Choke

#12
20220274716
2022-09-01

Anti-surge regulation for a charging compressor with which an auxiliary power unit is equipped

#13
20220220978
2022-07-14

Compressor system

#14
20220196024
2022-06-23

Surge control systems and methods for dynamic compressors

#15
20220136513
2022-05-05

Gas compressor with a plurality of air realease systems each having an air release valve and an air regulating valve

#16
20220065175
2022-03-03

COMPRESSOR STALL MITIGATION

#17
20220049660
2022-02-17

Systems and methods for controlling a bleed-off valve of a gas turbine engine

#18
20210372416
2021-12-02

Remote control smart blower

#19
20210164481
2021-06-03

Method for operating a pump

#20
20210063057
2021-03-04

Chiller plant with dynamic surge avoidance

#21
20210033101
2021-02-04

Active stability control of compression systems utilizing electric machines

#22
20210017988
2021-01-21

Gas compressor

#23
20200347789
2020-11-05

Bleed-off valve drive controller for aircraft gas turbine engine

#24
20200332725
2020-10-22

Health monitor for air switching system

#25
20200271045
2020-08-27

Centrifugal compressor and turbocharger

#26
20200248707
2020-08-06

Systems and methods for adapting compressor controller based on field conditions

#27
20200240424
2020-07-30

Surge determination and mitigation on Internal Combustion Engines

#28
20200102894
2020-04-02

ANTI-SURGE AND RELIGHT SYSTEM

#29
20200063742
2020-02-27

METHOD FOR CONTROLLING A PUMP CONNECTED TO A PUMP NETWORK

#30
20190309647
2019-10-10

Pneumatic controller for controlling a bleed valve

#31
20190170149
2019-06-06

Active casing treatment adapted with movable sleeve

#32
20190170148
2019-06-06

Active casing treatment adapted with movable sleeve

#33
20190162203
2019-05-30

Thermal gradient attenuation structure to mitigate rotor bow in turbine engine

#34
20190085854
2019-03-21

Compressor system with a gas temperature control at the inlet of the anti-surge line and relevant method

#35
20180363541
2018-12-20

Surge avoidance control method and surge avoidance control device for exhaust turbine turbocharger

#36
20180223856
2018-08-09

Compressor system with a cooling arrangement between the anti-surge valve and the compressor suction side and relevant method

#37
20180209351
2018-07-26

Method for controlling surge margin of gas turbine and extraction device for gas turbine

#38
20180163734
2018-06-14

Method and device for testing samples on a turbine engine minimizing the risk of surge by the exchange of information between an energy manager and a system for testing the turbine engine

#39
20180135637
2018-05-17

Method of anti-surge protection for a dynamic compressor using a surge parameter

#40
20180094635
2018-04-05

Method for monitoring a surge in a fluid device and refrigeration system

#41
20180041152
2018-02-08

Method of efficiently operating an engine and a generator for increased load

#42
20180010611
2018-01-11

Compressor control system and method

#43
20170370371
2017-12-28

Methods and systems for detecting compressor recirculation valve faults

#44
20170356348
2017-12-14

Altitude compensating bleed valve

#45
20170284410
2017-10-05

Methods and apparatus for detecting and preventing compressor surge

#46
20170260988
2017-09-14

System and method of controlling compressor

#47
20170260982
2017-09-14

System for pumping a fluid and method for its operation

#48
20170218968
2017-08-03

Turbocompressor antisurge control by vibration monitoring

#49
20170176053
2017-06-22

Hot gas bypass for two-stage compressor

#50
20170082113
2017-03-23

Method and apparatus for surge prevention control of multistage compressor having one surge valve and at least one flow measuring device

#51
20170044997
2017-02-16

Control device and control method

#52
20160341131
2016-11-24

Control device and control method for a fuel gas supply system

#53
20160215712
2016-07-28

Engine system with intake bypass device

#54
20160177958
2016-06-23

Operating method for a pump, in particular for a multiphase pump, and pump

#55
20160123176
2016-05-05

High pressure compressor rotor thermal conditioning using outer diameter gas extraction

#56
20160102671
2016-04-14

METHOD FOR OPERATING A COMPRESSOR, AND ARRANGEMENT WITH A COMPRESSOR

#57
20160053766
2016-02-25

Surge prevention apparatus and method for centrifugal compressor

#58
20150354464
2015-12-10

Method and apparatus for controlling a compressor of a gas turbine engine

#59
20150322956
2015-11-12

Method for preventing surge in a dynamic compressor using adaptive preventer control system and adaptive safety margin

#60
20150308442
2015-10-29

Dead time reducer for piston actuator

#61
20150176499
2015-06-25

Process for preventing rotating stall and surge in a turbomachine

#62
20150139776
2015-05-21

Compressor control device, compressor system and compressor control method

#63
20150096296
2015-04-09

Methods and systems for detecting compressor recirculation valve faults

#64
20150071759
2015-03-12

Methods and systems for low-pressure exhaust gas recirculation

#65
20140363269
2014-12-11

Compressor control device and control method therefor, and compressor system

#66
20140314543
2014-10-23

Compressor system and method of controlling the same

#67
20140219820
2014-08-07

Centrifugal compressor apparatus and method for preventing surge therein

#68
20140165583
2014-06-19

Bleed valve override schedule on off-load transients

#69
20140069105
2014-03-13

Compressor surge prevention digital system

#70
20140050558
2014-02-20

TEMPERATURE GRADIENT MANAGEMENT ARRANGEMENT FOR A TURBINE SYSTEM AND METHOD OF MANAGING A TEMPERATURE GRADIENT OF A TURBINE SYSTEM

#71
20130333365
2013-12-19

Controlling method and system for compressed air supply to a pneumatic network, in particular in an aircraft

#72
20130309060
2013-11-21

Turbocompressor antisurge control by vibration monitoring

#73
20130170952
2013-07-04

Method and apparatus for composition based compressor control and performance monitoring

#74
20130167810
2013-07-04

SYSTEM AND METHOD FOR CONTROLLING PRESSURE RATIO OF A COMPRESSOR

#75
20130039781
2013-02-14

ANTICIPATION LOGIC FOR A SURGE CONTROL VALVE UTILIZED WITH LOAD COMPRESSOR

#76
20120257990
2012-10-11

Control of subsea compressors

#77
20120207622
2012-08-16

Control device and control method of compressor

#78
20120183385
2012-07-19

Method for preventing surge in a dynamic compressor using adaptive preventer control system and adaptive safety margin

#79
20120048387
2012-03-01

Device and method for detecting a surge in a compressor and relocating a surge margin

#80
20110194928
2011-08-11

BLOW-OFF SYSTEM FOR MULTI-STAGE TURBO COMPRESSOR

#81
20110056210
2011-03-10

Surge margin regulation

#82
20100223903
2010-09-09

Variable pressure ratio compressor

#83
20080279676
2008-11-13

Turbine anti-rotating stall schedule

#84
20080232952
2008-09-25

Compressor with controllable recirculation and method therefor

#85
20080155989
2008-07-03

Operating line control of a compression system with flow recirculation

#86
20080101922
2008-05-01

Asymmetric compressor air extraction method

#87
20070289286
2007-12-20

Gas turbine with a compressor housing which is protected against cooling down and method for operating a gas turbine