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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...
8807936 Balanced turbine rotor fan blade for a tip turbine engine  
A fan-turbine rotor assembly for a tip turbine engine includes a multiple of fan blades, which include an inducer section, a hollow fan blade section and a diffuser section. The hollow fan blade...
8807916 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 that is rotatable about an axis. A speed reduction device is connected to the fan. The speed reduction device includes a star drive gear...
8807915 Double casing type pump and performance adjusting method thereof  
A double casing type pump and a performance adjusting method allow for adjustment of the performance of the pump, especially the head of the pump, without large-scale work or component disassembly....
8801361 Turbomachine wheel position control  
A machine includes a rotor supported to rotate about a rotational axis and an actuator arranged to act on the rotor and control a position of the rotor about the rotational axis. A bladed...
8801359 System and method for extracting power from fluid using a Tesla-type bladeless turbine  
Smooth, preferably variable-sweep fluid collection device surfaces disposed into opposition with wind, river, surf, ocean or tidal currents generate enhanced velocity fluid flows at length driven...
8801360 Centrifugal pump with thrust balance holes in diffuser  
A centrifugal pump has alternating impellers and diffusers. One or more vent holes extend through one or more vanes of one or more diffusers. In an upthrust condition, high pressure production...
8794902 System and method to improve the exhaust pressure across a RAM air turbine through secondary flow mixing  
A secondary flow lobe mixer increases the total-to-static pressure ratio across a Ram Air Turbine (RAT) by developing a localized pressure drop near the discharge of the turbine rotor exhaust. This...
8794907 Multiple staged compressor with last stage airfoil cooling  
A high compression ratio compressor having multiple stages of airfoils to produce the high pressure rations, where the last stage airfoils are cooled by passing cooling air through the airfoils...
8790066 Multi-lobe semi-floating journal bearing  
An exemplary turbocharger assembly includes a housing with a through bore having a central axis extending between a compressor end and a turbine end of the housing and a bearing, configured for...
8790067 Blade clearance control using high-CTE and low-CTE ring members  
An engine has a blade stage and a circumferential array of blade outer air seal segments. A support ring carries the blade outer air seal segments. The support ring has a low-CTE member and a...
8777554 Intermediate fan stage  
A fan system is disclosed having a forward fan stage configured to pressurize an airflow and an aft fan stage having a tip-fan configured to pressurize a first portion of a pressurized air flow...
8770912 Systems, methods, and apparatus for controlling turbine guide vane positions  
Certain embodiments of the invention may include systems, methods, and apparatus for controlling turbine guide vane positions. According to an example embodiment of the invention, a method is...
8770913 Apparatus and process for rotor creep monitoring  
An apparatus and a process for measuring rotor creep values for a monolithic rotor of an industrial gas turbine engine in order to determine when creep growth of the rotor has exceeded an allowable...
8770914 Steam turbine system and method for operating a steam turbine  
A steam turbine system including a steam turbine is provided. The steam turbine system includes a high-pressure side steam inlet device, a low-pressure side steam device, and a control device for...
8753074 Aspirator insert for a boundary layer in a fluid, a wall and a compressor equipped with said insert  
A passive leakage device for an axial turbomachine, more particularly for a low-pressure compressor of an axial turbomachine, is adapted to reduce and/or eliminate the surging phenomenon within the...
8753065 Method for setting a gear ratio of a fan drive gear system of a gas turbine engine  
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan section including a fan rotatable about an axis and a speed reduction device in...
8740548 Gas turbine engine compressor variable stator vane arrangement  
A compressor variable stator vane arrangement comprises at least one stage of variable stator vanes. A speed sensor measures the rotational speed of the compressor rotor. A pressure sensor measures...
8727697 Variable vane actuation system and method  
A variable vane actuation system and method is disclosed herein. The variable vane actuation system includes a first ring member disposed for pivoting movement about a centerline axis. The first...
8727698 Atmospheric energy extraction devices and methods  
An electricity generating tower includes a tower wall whose inner radius profile has a hyperbolic shape for a least a portion thereof. Moisture is added to the top of the tower and mixes with air...
8727695 Chamfer-fillet gap for thermal management  
An apparatus and method is disclosed herein in which a heat-transfer fluid can be directed through a gap defined between a fillet and a chamfer. The apparatus includes a first member having a body...
8727696 Calibration of an actuator for a variable geometry turbine  
A variable geometry turbine of the kind used in a turbocharger has a variable geometry element such as a nozzle ring or an annular array of swing vanes that is operated by an actuator. The actuator...
8721257 Rotor blade tip clearance control  
A gas turbine engine has a row of circumferentially spaced rotor blades and a plurality of seal segments circumscribing the rotor blade tips and attached to a radially inward side of a casing of...
8721256 Turbomachine optimized for fastening a rotary shaft bearing, A method of mounting said bearing on said turbomachine  
A turbomachine including a shaft, a bearing for supporting the shaft and including an outer ring, and a support for the bearing, the support having a flange to which the outer ring is fastened by...
8721265 Multiple staged compressor with last stage airfoil cooling  
A high compression ratio compressor having multiple stages of airfoils to produce the high pressure rations, where the last stage airfoils are cooled by passing cooling air through the airfoils...
8714905 Method and a device for balancing pressure in a turbojet bearing enclosure  
A pressure-balancing device for balancing pressure in at least one bearing enclosure of a turbojet, the enclosure including a mechanism feeding the bearing with lubricating liquid, an air intake,...