ClassID:

136945

F01D21/06 - CPC Classification

Classification description:

Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor , e.g. indicating such position Shutting-down

Recent Application in this class:
#1
20260153042
2026-06-04

ROTOR CRACK DETECTION AND MITIGATION

#2
20250092826
2025-03-20

CORE COMPARTMENT VENT DURING ENGINE SHUTDOWN TO REDUCED BOWED ROTOR START

#3
20240368999
2024-11-07

TURBINE OVERSPEED PROTECTION

#4
20240287935
2024-08-29

Core compartment vent during engine shutdown to reduced bowed rotor start

#5
20230010174
2023-01-12

TURBINE ENGINE SHAFT SHEAR DETECTION

#6
20210355829
2021-11-18

Safety apparatus

#7
20210301678
2021-09-30

Gas turbine engine

#8
20210270147
2021-09-02

Torque limiting device in a connection between a gearbox and a stationary structure in a gas turbine engine and a gas turbine engine

#9
20200362761
2020-11-19

System and method for purging a fuel manifold of a gas turbine engine using a pump

#10
20200240286
2020-07-30

Shaft monitoring system

#11
20200149542
2020-05-14

Turbomachine comprising a means of uncoupling a fan

#12
20190186359
2019-06-20

Rotor bow management

#13
20190178165
2019-06-13

System and method for rotor bow mitigation

#14
20190170068
2019-06-06

Shaft shear detection for gas turbine engines

#15
20190154543
2019-05-23

Shaft shear detection through shaft oscillation

#16
20190032511
2019-01-31

Arrangement, turbo engine and method for the recognition of a shaft breakage of a shaft

#17
20180209443
2018-07-26

Aircraft comprising a turbine engine incorporated into the rear fuselage comprising a system for blocking the fans

#18
20180200806
2018-07-19

Portable jig and fixture for precision machining

#19
20180045071
2018-02-15

Shaft shear detection in gas turbine engines

#20
20180010980
2018-01-11

Shaft shear detection through shaft oscillation

#21
20180010480
2018-01-11

Bowed rotor sensor system

#22
20170363012
2017-12-21

Low-power bowed rotor prevention and monitoring system

#23
20170356302
2017-12-14

Control system for a gas turbine engine

#24
20170284306
2017-10-05

Aircraft turbine engine comprising a discharge device

#25
20170205312
2017-07-20

Shaft shear detection through shaft oscillation

#26
20170175753
2017-06-22

TURBOMACHINE COMPRISING A MEANS OF UNCOUPLING A FAN

#27
20170159464
2017-06-08

Run-up surface for the guide-vane shroud plate and the rotor-blade base plate

#28
20160363001
2016-12-15

Emergency shut-down detection system for a gas turbine

#29
20160305345
2016-10-20

Control apparatus for a gas-turbine aeroengine

#30
20160090918
2016-03-31

Method of stopping a rotorcraft engine in overspeed, and a system and a rotorcraft associated therewith

#31
20160010496
2016-01-14

Optical based system and method for monitoring turbine engine blade deflection

#32
20150378369
2015-12-31

Valve control system and valve control method for steam turbine

#33
20150345340
2015-12-03

Power generation system

#34
20140245745
2014-09-04

Fuel system of gas turbine engines

#35
20140236451
2014-08-21

Avionics method and device for monitoring a turbomachine at startup

#36
20140199157
2014-07-17

Method for barring a rotor of a turbomachine and barring apparatus for conducting such method

#37
20140121934
2014-05-01

System for detecting shaft shear event

#38
20130319092
2013-12-05

Shaft break detection

#39
20130312423
2013-11-28

Method of detecting shaft break

#40
20120317955
2012-12-20

Surge margin control

#41
20120285174
2012-11-15

Systems and methods for optimized gas turbine shutdown

#42
20120114460
2012-05-10

Voting hydraulic dump system

#43
20120036828
2012-02-16

Combined cycle power plant including a heat recovery steam generator

#44
20110318169
2011-12-29

System for controlling thrust in steam turbine

#45
20110214430
2011-09-08

ACCELERATED COOLING OF A GAS TURBINE

#46
20110016713
2011-01-27

Assembly procedure for the adjustable pin-valve, fuel shut-off

#47
20100266384
2010-10-21

Gas turbine engine casing assembly

#48
20100199681
2010-08-12

Fuel system of gas turbine engines

#49
20100189551
2010-07-29

Systems and methods of reducing heat loss from a gas turbine during shutdown

#50
20100119354
2010-05-13

Turbomachine with failure protection

#51
20090301053
2009-12-10

Gas turbine and method of operating a gas turbine

#52
20090261989
2009-10-22

Gas turbine engine rotor lock prevention system and method

#53
20090071165
2009-03-19

Method of operating a gas turbine power plant

#54
20080279675
2008-11-13

Operation of an aircraft engine after emergency shutdown

#55
20080276620
2008-11-13

Method of operating a gas turbine engine

#56
20080178603
2008-07-31

Method and device for reducing the speed in the event of breakage of a gas turbine engine turbine shaft

#57
20080178573
2008-07-31

Gas turbine and method for shutting off a gas turbine when breakage of a shaft is identified

#58
20080145223
2008-06-19

Method and device for identifying the state of the rotor of a non-positive-displacement machine

#59
20080110178
2008-05-15

Assembly procedure for the adjustable pin-valve, fuel shut-off

#60
20070256404
2007-11-08

Method of adjusting a triggering clearance and a trigger

#61
20070245744
2007-10-25

Fuel system of gas turbine engines

#62
20070241921
2007-10-18

Emergency shutdown detection device for a gas turbine

#63
20050232755
2005-10-20

System for blocking a main shaft of an engine having a fusible bearing

#64
20050193715
2005-09-08

Shut-off system for the avoidance of an overspeed condition in the event of a shaft failure

#65
17592969
2023-04-04

Method and system for detecting a shaft shear event