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8967944 Accessory gearbox buffer cooling air pump system  
A buffer air pump provides pressurized cooling air for cooling components of the gas turbine engine. The buffer air pump is supported on and/or within an accessory gearbox and draws bypass air in...
8967945 Individual inlet guide vane control for tip turbine engine  
A tip turbine engine according to the present invention includes a plurality of independently variable inlet guide vanes for the fan and/or for the compressor. An actuator is operatively coupled to...
8961101 Wind turbine speed maintenance system  
A system of operating a wind turbine that is capable of extending electricity production, such as in low and high wind speed environments. In accordance with various embodiments, a wind turbine...
8961102 Shaft sealing system and method with seal oil recuperator system  
A system and method for sealing a shaft disposed for rotation within a casing, where two axially-spaced seal rings of an oil film seal extend around the shaft and define a clearance therebetween....
8961111 Turbine and method for separating particulates from a fluid  
According to one aspect of the invention, a turbine airfoil includes a first cavity inside the turbine airfoil configured to receive a fluid and a second cavity inside the turbine airfoil. The...
8961100 Valve for controlling flow of a turbomachine fluid  
An exemplary valve device for controlling flow of a turbomachine fluid includes a housing and a flow control assembly within the housing. The housing has a first inlet, a second inlet, and an...
8944747 Turbomachine actuation system and method  
An actuation system includes a driving ring configured to rotate and having a groove on an internal face facing a central point of the driving ring; at least a linkage attached with a first end to...
8944748 Fluid pump changeable in diameter, in particular for medical application  
A fluid pump device, in particular for a medical application, is described having a compressible pump housing and rotor, as well as with a drive shaft which runs in a sleeve and on whose end the...
8944749 Oil purge system for a mid turbine frame  
An oil purge system for a mid turbine frame (MTF) of a gas turbine engine has an oil transfer tube surrounded by a heat shield tube. The oil transfer and heat shield tubes extend at their...
8944746 Turboexpander and method for using moveable inlet guide vanes at compressor inlet  
A turboexpander-compressor system includes an expander configured to expand an incoming gas, a first set of moveable inlet guide vanes configured to control a pressure of the incoming gas, a...
8939709 Clearance control for a turbine  
A system for operating a turbine includes a rotating component and a non-rotating component separated from the rotating component by a clearance. A first actuator is connected to the non-rotating...
8939705 Turbine abradable layer with progressive wear zone multi depth grooves  
Turbine and compressor casing abradable component embodiments for turbine engines, with composite grooves and vertically projecting rows of first ridges in planform patterns, to reduce, redirect...
8939707 Turbine abradable layer with progressive wear zone terraced ridges  
Turbine and compressor casing abradable component embodiments for turbine engines, with composite grooves and vertically projecting rows of stepped first ridges in planform patterns, to reduce,...
8939706 Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface  
Turbine and compressor casing abradable component embodiments for turbine engines, with composite grooves and vertically projecting rows of ridges in planform patterns, establishing upper and lower...
8939704 Method for operating a multistage compressor  
A method for operating a multistage compressor is provided. The method includes monitoring the pump limit, wherein at least a first measurement parameter measured during operation is compared to a...
8936429 Control unit and a method for controlling blade tip clearance  
A method and system for controlling clearance between the tips of blades of a turbine rotor in a gas turbine airplane engine and a turbine ring of a casing surrounding the blades. A valve is...
8932001 Systems, methods, and apparatus for a labyrinth seal  
Certain embodiments of the invention may include systems, methods and apparatus for providing a labyrinth seal. In an example embodiment, a method is provided for sealing a flow path between a...
8915697 Mobile wind turbine  
An articulated erection structure is disclosed for use in mobilizing a wind energy extraction device. The wind turbine has blades capable of being disposed in side-by-side, parallel alignment for...
8911200 Assembling titanium and steel parts by diffusion welding  
A method of assembling together titanium parts and steel parts by diffusion welding, the method interposing two thin layers of niobium or vanadium and copper respectively between a titanium part...
8899908 Method for checking the bearing alignment in a gas turbine  
The disclosure refers to a method and apparatus for checking the bearing alignment of a rotor of a gas turbine or steam turbine having a rotor with a radial offset and a radial offset surface and...
8899911 Heat-dissipating system and control method thereof  
The invention provides a heat-dissipating system and a control method thereof. The heat-dissipating system has a plurality of fans and is configured for adjusting rotation-speeds of the fans. The...
8899909 Systems and methods for steam turbine wheel space cooling  
The present application provides a steam turbine system. The steam turbine system may include a high pressure section, an intermediate pressure section, a shaft packing location positioned between...
8899920 Wind turbine yaw system and method of controlling the same  
A wind turbine yaw system is provided that includes a yaw gear, at least two pinion gears, and at least two drive units, each of which is associated to one of the pinion gears for driving that...
8899921 Wind turbine having flow-aligned blades  
A wind turbine blade is configured such that the lift force from the blade airfoil is always normal, or nearly normal, to the shaft torque. This condition maximizes energy conversion. This...
8899910 Air turbine starter and method for venting without loss of oil  
A clutch assembly includes a shaft, vent plug and oil guide sleeve. The shaft includes an internal cavity, first passages for allowing oil to lubricate clutch components, and second passages for...
8893499 Advanced super-critical CO2 expander-generator  
An expander-generator is disclosed having an expansion device and a generator disposed within a hermetically-sealed housing. The expansion device may be overhung and supported on or otherwise...
8888437 Dual-flow steam turbine with steam cooling  
A dual flow steam turbine includes coolant passageways which extract coolant steam from the main steam flow paths at locations downstream from the inlet. The coolant passageways conduct the coolant...
8888436 Systems and methods for cooling high pressure and intermediate pressure sections of a steam turbine  
The present application provides a section cooling system for a steam turbine to limit a leakage flow therethrough. The section cooling system may include a first pressure flow extraction from a...
8882438 Methods and systems for variable geometry inlets nozzles for use in turboexpanders  
A method and system for power generation including a turboexpander with at least two expansion stages, the turboexpander being connected to a power generation unit, is provided. The system includes...
8882439 Vertical axis turbine  
Embodiments relate to a guiding apparatus, a wind turbine system, and methods related thereto. In an embodiment, a guiding apparatus for guiding a flow of a fluid for use with a rotor, the rotor...
8876458 Blade outer air seal assembly and support  
An example blade outer air seal support assembly includes a main support member configured to support a blade outer air seal. The main support member extends generally axially between a leading...
8876460 Method and apparatus for measuring turbine shell clearance  
An apparatus for measuring turbine rotor-to-stator clearances and a method for assembling a turbomachine based on the measured clearances are disclosed. In an embodiment, at least one clearance...
8864438 Flow control insert in cooling passage for turbine vane  
A flow control insert for a turbine vane is disclosed. The flow control insert is designed to be placed in a trailing edge cooling passage of the turbine vane to simultaneously reduce cooling air...
8858161 Multiple staged compressor with last stage airfoil cooling  
An industrial gas turbine engine in which a compressor includes later stage airfoils that are cooled using a coolant from an external closed loop cooling circuit or from a heat recovery steam...
8858155 Method and system for aligning a wind turbine component  
The invention relates to a method of aligning a wind turbine component with a wind turbine rotor hub, comprising providing the component with a support comprising at least one adjustable element...
8858154 Pump system and method for delivering multi-phase mixtures  
A pump system (1) is provided for the pumping of multiphase mixtures which includes a pumping apparatus (3) for multiphase mixtures with at least one liquid phase and at least one gaseous phase....
8854226 System and process for monitoring and scheduling maintenance on mechanical equipment  
A method of scheduling maintenance on mechanical equipment includes monitoring the mechanical equipment with a sensor and collecting diagnostic information provided by the sensor with a local...
8840358 Method of controlling a compressor and apparatus therefor  
The present invention relates to a method of controlling a compressor and an apparatus therefor, the method, comprising at least the steps of: (a) providing a compressor feed stream (10); (b)...
8840359 Thermally insulating turbine coupling  
A rotor assembly, including at least one driven member, e.g., a compressor rotor, and at least one driving member, e.g., a turbine. At least one rotating thermal insulator rigidly attached to...
8834092 Fluid machine, wind turbine, and method for increasing velocity of internal flow of fluid machine, utilizing unsteady flow  
A fluid machine, a wind turbine, and a method for increasing velocity of an internal flow is provided. A basic shape of the casing has a cycloid curve having a convex portion at a throat section...
8827629 Case with ballistic liner  
A fan case for a gas turbine engine includes an outer case defined about an engine axis and a hard ballistic liner defined about the engine axis, the hard ballistic liner within the outer case.
8827630 Method and system for determining gas turbine tip clearance  
A system for sensing at least one physical characteristic associated with an engine including a turbine having a plurality of blades turning inside a casing, the system including: a pressure sensor...
8821105 Turbine with variable number of nozzles  
The nozzles include inlet ports circumferentially arranged into a group and an opening and closing valve disposed so as to be commonly functioned. This arrangement realizes a gas turbine with no...
8821107 Method of modifying a steam turbine  
A method of modifying a steam turbine to change from a first maximum thermal power of the steam generator to a second maximum thermal power of the steam generator. The method can include replacing,...
8820073 Compressor  
A compressor comprises an impeller wheel mounted within a housing defining an inlet and an outlet. The wheel has a plurality of vanes and is rotatable about an axis. The housing has an inner wall...
8821106 Rotor coupling guard  
The present application provides a rotor coupling guard for use with removing a flow of air about a rotor coupling of a turbo-machine. The rotor coupling guard may include an inner cover with a...
8814494 Method for setting a gear ratio of a fan drive gear system of a gas turbine engine  
A gas turbine engine includes a fan section including a fan rotatable about an axis. A speed reduction device is connected to the fan. The speed reduction device includes a planetary fan drive gear...
8814493 Air-channeled wind turbine for low-wind environments  
An inventive wind turbine device including an air intake with a curved interior surface for accelerating wind speed and an optional conical component to direct the captured wind directly to a...
8814981 Compression of carbon dioxide containing fluid  
The present invention relates to a method of pressurizing a fluid comprising carbon dioxide, the method includes: obtaining the fluid from a unit for removing carbon dioxide from a process gas;...
8813498 Turbine inlet condition controlled organic rankine cycle  
A pressure sensor measures an organic Rankine cycle (ORC) working fluid pressure in front of a radial inflow turbine, while a temperature sensor measures an ORC working fluid temperature in front...