ClassID:

145725

F05D2270/821 - CPC Classification

Classification description:

Control; Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges Displacement measuring means, e.g. inductive

Recent Application in this class:
#1
20260063047
2026-03-05

BLADE TIP CLEARANCE SENSOR AND GAS TURBINE INCLUDING SAME

#2
20250382887
2025-12-18

PREVENTING ABNORMAL FAN BLADE DEFLECTION OR FAN FLUTTER WITH RETROREFLECTORS

#3
20250346347
2025-11-13

SYSTEM AND METHOD FOR MEASURING AN AXIAL POSITION OF A ROTATING COMPONENT

#4
20250237150
2025-07-24

VARIABLE FLOWPATH CASINGS FOR BLADE TIP CLEARANCE CONTROL

#5
20250116204
2025-04-10

APPARATUS USING ROOT CAUSE ANALYSIS FOR PREDICTING BLADE DAMAGE AND METHOD THEREFOR

#6
20250101875
2025-03-27

Turbine assembly with spring biased clearance sensor mount

#7
20240351679
2024-10-24

SYSTEM AND METHOD FOR MEASURING AN AXIAL POSITION OF A ROTATING COMPONENT

#8
20240318574
2024-09-26

ROTATING MACHINE COMPONENT CLEARANCE SENSING SYSTEMS AND METHODS

#9
20240209802
2024-06-27

Gas turbine engine control system and method for limiting turbine overspeed in case of a shaft failure

#10
20240052752
2024-02-15

Variable flowpath casings for blade tip clearance control

#11
20240026800
2024-01-25

Monitoring device, computer-readable storage medium for storing monitoring program and monitoring method for rotary machine, and rotary machine equipment

#12
20230323790
2023-10-12

Position sensor for variable vane assembly and method for calibrating same

#13
20230052054
2023-02-16

Casing deformation amount measuring apparatus and casing deformation amount measuring method

#14
20220333550
2022-10-20

Position sensor for aircraft nacelle thrust reverser door

#15
20220276279
2022-09-01

Blade angle position feedback system with embedded markers

#16
20220268171
2022-08-25

Rotating machine component clearance sensing systems and methods

#17
20220220860
2022-07-14

Health-monitoring system for determining rotation frequency of a shaft

#18
20220098997
2022-03-31

Method for controlling the bending deformation of a turbomachine shaft at rest subjected to the residual heat of operation of the turbomachine

#19
20210102474
2021-04-08

Replaceable rotor blade tip clearance measurement device for a gas turbine engine

#20
20210071589
2021-03-11

Pitch control assembly for an aircraft-bladed rotor

#21
20210071539
2021-03-11

Pitch control assembly for an aircraft-bladed rotor

#22
20210070434
2021-03-11

Feedback device with variable magnetic permeability

#23
20210070424
2021-03-11

Blade angle position feedback system with embedded markers

#24
20210025779
2021-01-28

Method and system for detecting damage to the mobile blades of an aircraft

#25
20200200788
2020-06-25

SHAFT MONITORING SYSTEM

#26
20200072076
2020-03-05

Embedded triaxial epoxy cap probe

#27
20200003071
2020-01-02

Relative position measurement

#28
20190376410
2019-12-12

System and method for turbomachinery blade diagnostics via discrete markings

#29
20190376406
2019-12-12

Method and system for measuring rotor blade tip deflection using blade tip timing (BTT)

#30
20190293023
2019-09-26

Systems and methods for thrust reverser with temperature and fluid management

#31
20190226407
2019-07-25

On-board estimator actuator system fault accommodation in engine control

#32
20190195084
2019-06-27

System and method for measuring eccentricity of turbine shell relative to turbine rotor

#33
20190011555
2019-01-10

Determining axial location of time of arrival probe

#34
20180224353
2018-08-09

Blade health inspection using an excitation actuator and vibration sensor

#35
20180216530
2018-08-02

Bypass valve system state indication

#36
20180038238
2018-02-08

Adjustable blade outer air seal system

#37
20180005743
2018-01-04

Metering valve

#38
20170292882
2017-10-12

Nacelle deflection measurement assembly

#39
20170276092
2017-09-28

Control device of a variable section nozzle and the implementation method thereof

#40
20170267365
2017-09-21

System and method for protecting the structural integrity of an engine strut

#41
20170211411
2017-07-27

Turbine blade monitoring

#42
20170191372
2017-07-06

PASSIVE FLOW MODULATION OF COOLING FLOW WITH TELEMETRY

#43
20170140519
2017-05-18

Methods for monitoring components

#44
20170067360
2017-03-09

Steam turbine stage measurement system and a method

#45
20170009586
2017-01-12

Balance correction device for rotor

#46
20160376912
2016-12-29

Relative position measurement

#47
20160341535
2016-11-24

Method and jig for measuring angle

#48
20160328892
2016-11-10

Method and computer program for the monitoring of a thrust reverser having hydraulic actuators

#49
20160281639
2016-09-29

Controlling nozzle areas of variable area fan nozzles

#50
20160258798
2016-09-08

Ultrasound fuel flow sensing and control

#51
20160123839
2016-05-05

Bearing apparatus

#52
20160006226
2016-01-07

Instrumentation transfer strut

#53
20160003191
2016-01-07

Pressure switch for thrust reverser control

#54
20150285753
2015-10-08

Measurement method for detecting damage to a turbine blade and turbine

#55
20150226709
2015-08-13

Time reference derivation from time of arrival measurements

#56
20150167487
2015-06-18

Turbomachine cold clearance adjustment

#57
20150097582
2015-04-09

Sensor for measuring blade tip clearance in gas turbines

#58
20150092039
2015-04-02

In-situ blade-mounted optical camera inspected systems for turbine engines

#59
20150090882
2015-04-02

Situ blade mounted tip gap measurement for turbines

#60
20150078887
2015-03-19

Disc axis adjusting mechanism in gas turbine

#61
20150056077
2015-02-26

Detection system for identifying blockages in guide vanes of a turbine engine

#62
20140365166
2014-12-11

Blade tip timing

#63
20140363274
2014-12-11

Blade tip timing

#64
20140355007
2014-12-04

Blade tip timing

#65
20140348632
2014-11-27

Turbomachine stage and method for detecting a sealing gap of such a turbomachine stage

#66
20140348631
2014-11-27

Turbomachine stage and method for determining a seal gap and/or an axial position of such a turbomachine stage

#67
20140288865
2014-09-25

Blade tip timing

#68
20140241852
2014-08-28

Methods and apparatus for measuring axial shaft displacement within gas turbine engines

#69
20140199155
2014-07-17

Methods and system for detecting turbocharger degradation

#70
20130304418
2013-11-14

Monitoring one or more turbine engine rotor blades by correlating measurement data and reference data as a function of time

#71
20130149117
2013-06-13

Steam turbine casing position adjusting apparatus

#72
20120330606
2012-12-27

Systems and methods for use in monitoring operation of a rotating device

#73
20120263577
2012-10-18

Device for detecting the axial position of a rotary shaft and its application to a turbo-molecular pump

#74
20110262266
2011-10-27

Linear Actuator for a Variable-Geometry Member of a Turbocharger, and a Turbocharger Incorporating Same

#75
20100201375
2010-08-12

Determining solenoid health

#76
20080247863
2008-10-09

Sensor

#77
18793614
2025-11-11

Blade tip clearance probe/lead cooling jacket

#78
18743747
2025-12-16

Preventing abnormal fan blade deflection or fan flutter with retroreflectors

#79
17970361
2024-02-13

Method for extracting natural frequency difference between blades by single blade tip timing sensor or uniformly distributed blade tip timing sensors

#80
17899324
2023-11-07

Variable flowpath casings for blade tip clearance control

#81
15196189
2017-06-20

Method and system for monitoring non-rotating turbomachine parts