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WO/1991/019963A1 |
The invention relates to a turbine with a shaft (1) to which turbine blades (2) are fastened. Vibrations in the housing (5, 6) surrounding the turbine blades (2) are monitored for detecting damages to turbine blades (2) using a magnetic ...
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WO/1990/010783A1 |
In a regulating drive for safety and control valves in safety stations for metering energy flows in the form of gases, vapours or water, especially in thermal or industrial power stations, the driving force for the safety adjustment of t...
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WO/1990/010784A1 |
In a reducing station with safety operation in the negative direction for metering energy flows in the form of gases, vapours or water, especially in thermal or industrial power stations, the operating path (BS) of a regulating valve (SV...
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WO/1988/006676A1 |
A governor device for controlling the speed of rotary devices is disclosed. The governor device is a valve operated by centrifugal force to control a pressurized fluid through the nozzles of a turbine rotor. The valve comprises a annular...
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WO/1987/004802A1 |
An inspection system (30) in which a fiber optic borescope (34) has an elongated flexible body (42) extending between a control head (44) at a proximal end and an objective assembly (46) at a distal end. The distal end is slidably insert...
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WO/1987/003928A1 |
Electrically-compensated constant speed drive, CSD, (10) which includes a speed summer (18) having first and second input shafts (20, 36) and one output shaft (22). The first input shaft (20) is coupled to a variable speed prime mover (1...
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WO/1987/001763A1 |
An elongate member (76) extends into a cooling fluid control passage (74, 92) of a gas turbine (10) to establish a preselected cooling flow area (82) which may be changed. The time and expense required to change the cooling flow rate is ...
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WO/1986/006137A1 |
An improved shutdown procedure, which minimizes the potential for damage caused by steam condensation in the superheater section (20), combustion chamber (36) and turbines (50, 52) during the coast to halt of the engine maintains high te...
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WO/1986/003549A1 |
Axial dislocation of a containment ring (30) for a turbine is avoided through the use of housings (20 and 22) having portions (42 and 44) overlapping and extending across a radially inwardly opening containment groove (38) in a containme...
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WO/1983/003396A1 |
Aircraft gas-turbine engines (10) are often mounted and supported by strut type structures (12) which contain fuel, oil, electrical and hydraulic engine supply lines. The engine fan (18) is surrounded by a belt (24) made of tough flexibl...
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WO/1982/001416A1 |
A method and apparatus for detecting and identifying one or more excessively vibrating blades (14) of the rotating portion of a turbomachine (10) utilizing analysis of the characteristic Doppler waveform that results as the rotating, vib...
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WO/1981/001441A1 |
In order to measure the temperature of the mid-span first stage rotor blade (16) of a gas turbine engine, an optical pyrometer (42) is mounted in the inner casing (32) of the gas turbine engine and includes an elongated sight tube (50) e...
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JP7457851B2 |
To improve the startup stability of a gas turbine that uses ammonia as fuel.A combustor 14 of a gas turbine comprises a reformer 32 that reforms a portion of ammonia, i.e., fuel, to produce reformed fuel containing hydrogen. An ignition ...
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JP2024029924A |
An object of the present invention is to provide a pitting corrosion occurrence evaluation device and the like that can effectively predict the occurrence of pitting corrosion at low cost. [Solution] In the pitting corrosion occurrence e...
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JP2024009646A |
The present invention provides a control device, a control method, and a control program for a steam power generation plant that allows some steam generators to be disconnected while maintaining stable operating conditions. [Solution] At...
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JP2024007806A |
An object of the present invention is to provide a seawater leak warning device that can easily determine when to stop a steam turbine plant in the event of seawater leakage. A seawater leak alarm device according to at least one embodim...
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JP7403684B2 |
A monitoring device for a rotary machine is a monitoring device for monitoring a clearance of a rotary machine including a casing for housing a rotating part and a stationary part, including: at least one position sensor disposed outside...
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JP2023549025A |
A gas turbine mass difference sensing system and method is provided. [Solution] A method for detecting the mass difference between the components of the high-temperature gas path of the gas turbine (13) includes monitoring the operating ...
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JP7369732B2 |
In an output control device (11) for a nuclear power plant (10), during governor-free operation or an accident, a turbine steam governing valve (109) opening degree setting value that corresponds to governor-free operation or an accident...
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JP7365325B2 |
Provided is a gas turbine system in which electricity consumption of a battery when starting or stopping a gas turbine engine is reduced and sufficient battery power during flight can be secured.The present invention includes a plurality...
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JP7337485B2 |
In one embodiment, a system 10 includes an intake section 16 including a filter and one or more strain gauges 23. The system also includes a processor 36 configured to receive strain information for the filter from the one or more strain...
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JP2023094558A |
To provide a system and a method for preventing icing in a combustion inlet air path of a gas turbine system.A system and a method for preventing icing in a combustion inlet air path of a gas turbine system 50. An air intake system 16 of...
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JP2023094313A |
To provide a safety device for a steam turbine that can control the quantity of steam without any problem during normal operation, and can close a steam quantity control valve when power and working pressure are lost.A safety device for ...
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JP7300944B2 |
This steam turbine is provided with: a steam turbine rotor which extends in an axial direction; a pair of bearings which support the steam turbine rotor in such a way as to be capable of rotating about the axial direction; a steam turbin...
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JP7297617B2 |
Provided is an electrohydrostatic actuation system including an emergency shut-off circuit to be actuated stably with a simple configuration. The electrohydrostatic actuation system includes: a hydraulic cylinder (24) including a piston ...
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JP7291010B2 |
According to the present invention, an FCB operation is efficiently performed, and a subsequent in-house single load operation is also smoothly performed. This power plant comprises: a boiler (110); steam turbines (121, 122, 123); a wate...
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JP2023064323A |
To provide a turbine bypass device capable of continuing safer and efficient operation in a case where a steam control valve executes steam cut-off operation, and a power generation plant.A turbine bypass device that adjusts the opening ...
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JP7247071B2 |
In one embodiment, a plant control apparatus includes a first stop controller configured to, when stopping a plant, stop a steam turbine to start to drop rotating speed of a second shaft of the steam turbine from rated speed, and start t...
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JP7225867B2 |
To provide a steam system that can effectively restrain drain from flowing into a steam machine body at start-up.A steam system 1 comprises: a steam expander 10 comprising a main body 11 into which steam flows, and a screw 12 pivotally s...
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JP7213702B2 |
To provide a turbine bypass control device which can control pressure in a header at a turbine trip even if flow rates of steam flowing in a turbine are different from one another, a steam system, a turbine bypass control method and a pr...
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JP7189947B2 |
A device enables borescope inspection of turbine blades of a high-pressure turbine stage of a jet engine. The device has a bend-free guide pipe for introducing a flexible borescope. The device also has: a guide for the guide pipe, the gu...
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JP7166247B2 |
The present invention relates to a closed circuit operating on a Rankine cycle, the circuit comprising at least one compression and circulation pump for a working fluid in liquid form, a heat exchanger over which a hot source is swept in...
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JP2022165286A |
To provide a plant control device capable of properly stopping a steam turbine in a uniaxial combined cycle.A plant control device controls a power generation plant including: an exhaust heat recovery boiler that generates steam using he...
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JP2022155391A |
To provide a technology suitable for obtaining the high power balance of a generator, and the high reliability of an expander.A Rankine cycle device 50 comprises an expander 3, a generator 18 and a control device 20. The generator 18 is ...
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JP2022152031A |
To provide a power regeneration type Rankine cycle system which can safely stop an operation at the occurrence of an abnormality.A power regeneration type Rankine cycle system 3 comprises: an evaporator 23 for evaporating a working fluid...
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JP7146411B2 |
A non-transitory computer readable storage medium storing one or more processor-executable instructions wherein the one or more instructions when executed by a processor (58) of a controller (56), cause acts to be performed is provided. ...
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JP2022145550A |
To provide systems and methods for detecting leaks in an enclosure surrounding equipment that may leak hazardous fluids.A leak detection system (12) is provided with a first window (142) configured to mount at a first opening in a first ...
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JP2022541034A |
The present invention is a turbine housing for an exhaust gas turbine, the turbine housing having a connecting flange 2 for attachment to the bearing housing 14 on the bearing housing side, the connecting flanges 2 having housings spaced...
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JP2022539698A |
A flow regulation system (200) is provided for increasing the flow rate of a cooling fluid (140, 202) supplied to a cooling system of a component of a gas turbine system (10). The flow regulation system (200) is a pneumatic circuit (206)...
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JP2022123455A |
To provide a power generation plant that can realize a FCB function with a simple structure.A power generation plant comprises a boiler, a high-pressure turbine 111 to be driven by steam generated by the boiler, reheaters 105 and 106 for...
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JP7113544B2 |
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JP7110130B2 |
The objective of the present invention is to provide a technique for controlling a steam governing valve of a power generation plant capable of maintaining an active power output after recovery from a power system transient event. A cont...
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JP7075319B2 |
To provide a turbine control device capable of improving accuracy in detecting abnormality of an opening signal, and a turbine control method.A turbine control device comprises: a first opening detection section which detects an opening ...
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JP7053418B2 |
To provide a combination intermediate valve device and turbine power generation facilities capable of executing rapid closing the valve and subsequent rapid opening with only discharge of hydraulic oil.An embodiment of the invention, com...
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JP7012394B1 |
To replace a 4-port solenoid valve constituting a 2oo3 logic circuit in an emergency stop control device adopting a 2oo3 logic circuit which operates based on a detection result of a turbine rotation speed, without stopping the emergency...
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JP7007525B1 |
The present invention relates to a method (100) and an apparatus for inspecting parts of a gas turbine, such as an aircraft engine (80), in particular turbine blades and / or compressor blades (87') with a borescope. The method (100) use...
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JP2021185574A |
To provide a flow control assembly for recovering the energy generated by adjustment of the back pressure or humidity of a fuel cell, and to provide the adjustment system and method therefor.An exemplary vehicle system includes a fuel ce...
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JP6971704B2 |
A system includes a controller including a memory storing instructions and a processor that executes the instructions. The instructions cause the controller to receive a first input signal of a first temperature at an inlet of a gas turb...
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JP6944406B2 |
This single-shaft combined cycle plant comprises: a power generator; a gas turbine; a steam turbine that is driven by using waste heat from the gas turbine, and is connected to the power generator by a clutch when the rotational speed sy...
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JP2021523319A |
A speed control system for the turbine and a power load balance detector are provided. The speed control system includes a speed wheel with multiple teeth. The timer stores a time stamp as each tooth passes through the velocity probe. A ...
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