ClassID:

136951

F01D21/18 - CPC Classification

Classification description:

Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for; Trip gear involving hydraulic means

Recent Application in this class:
#1
20230175415
2023-06-08

On-line verifiable trip and throttle valve actuator

#2
20220145774
2022-05-12

Self contained hydraulic lock apparatus

#3
20220145770
2022-05-12

Electrohydrostatic actution system, hydraulic circuit of electrohydrostatic actution system, and steam turbine system including same

#4
20210388735
2021-12-16

Steam turbine valve abnormality monitoring system, steam turbine valve drive device, steam turbine valve device, and steam turbine plant

#5
20200240284
2020-07-30

Emergency shut-off device

#6
20190323376
2019-10-24

Dual trip manifold assembly for turbine systems

#7
20190063255
2019-02-28

Trip system for steam turbine

#8
20180172177
2018-06-21

Hydraulic drive for executing a linear movement

#9
20180171822
2018-06-21

Trip manifold assembly for turbine systems

#10
20180171821
2018-06-21

Dual trip manifold assembly for turbine systems

#11
20170342856
2017-11-30

Dual trip manifold assembly for turbine systems

#12
20170268432
2017-09-21

Emergency shutoff device and emergency shutoff system provided with same

#13
20170152759
2017-06-01

Hydraulic control device for an emergency stop valve of a steam turbine and steam turbine arrangement

#14
20170107848
2017-04-20

Method for retrofitting a turbomachine

#15
20160376999
2016-12-29

High reliability high flow redundant trip block

#16
20160319939
2016-11-03

High-flow valve arrangement in steam turbine safety system

#17
20160215650
2016-07-28

System and device for over-speed protection of a turbo-machine

#18
20150247421
2015-09-03

Trip manifold assembly for turbine systems

#19
20140150261
2014-06-05

Methods for retrofitting a turbomachine

#20
20130327408
2013-12-12

Electronically controllable and testable turbine trip system and method with redundant bleed manifolds

#21
20130233423
2013-09-12

System and device for over-speed protection of a turbo-machine

#22
20130099144
2013-04-25

Fluid pressure reversing valve

#23
20110171030
2011-07-14

Back-up featherer

#24
20100158707
2010-06-24

Fuel system

#25
20100078089
2010-04-01

Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant

#26
20080087339
2008-04-17

Direct acting hydraulic trip block

#27
20070138420
2007-06-21

Protection system for turbo machine and power generating equipment

#28
20070071591
2007-03-29

Protection system for turbo machine and power generating equipment

#29
20060230755
2006-10-19

Electronically controllable and testable turbine trip system