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8182199 |
Turbine shroud cooling system
A method of cooling a shroud ring in a turbine section of gas turbine engine includes identifying a series of alternating high temperature regions and lower temperature regions of a circumferential...
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8177474 |
System and method for turbine engine clearance control with rub detection
A method of detecting rubs during operation of a turbomachine comprising at least one rotating object having a tip and a shelf is provided. The method includes generating signals representative of...
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8177476 |
Method and apparatus for clearance control
A system, in certain embodiments, includes a magnetic actuator configured to adjust a radial clearance between a housing and rotary blades via translational movement along a rotational axis. The...
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8177489 |
Axial tip turbine driven pump
An axial tip turbine driven pump in which a first fluid pumped by an inducer is driven by a second fluid that reacts with a turbine blade extending from a shroud on the inducer. The inducer...
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8177475 |
Contaminant-deflector labyrinth seal and method of operation
A seal assembly for deflecting contaminated fluid flowing through the seal assembly from an upstream space to a downstream space includes an annular housing, at least one vent hole peripherally...
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8172529 |
Method of operation of a high-efficiency turbine with variable attack angle foils
Operations of a turbine to generate energy from a relatively slow fluid flow, such as wind and water, are described. The turbine has a plurality of foils rotating about a central axis at a...
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8172521 |
Compressor clearance control system using turbine exhaust
The present application provides a compressor clearance control system for a gas turbine engine. The gas turbine engine includes a turbine producing exhaust gases and a compressor with a casing and...
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8167531 |
Method and apparatus for supporting rotor assemblies during unbalances
A method and apparatus for reducing dynamic loading of a gas turbine engine is provided. The gas turbine engine includes a rotor shaft assembly including a rotor shaft, a bearing assembly, a...
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8162233 |
Vehicle supplemental heating system including pressure relief diaphragm
Disclosed herein is an exemplary liquid heat generator including a housing and a rotor disposed within the housing. A flexible pressure relief diaphragm is attached to the rotor. The pressure...
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8162588 |
Rotor and nozzle assembly for a radial turbine and method of operation
A rotor for a radial flow turbine has an impulse chamber (51) having an inlet defined in a circumferential surface of the rotor and a reaction chamber (62) having an outlet defined in the...
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8162595 |
Mitigating mechanical vibrations caused by a fan in a computer system
One embodiment provides a system that mitigates vibrations caused by cooling fans in a computer system. More specifically, the system includes a cooling fan mechanically coupled to the chassis of...
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8162606 |
Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
A rotary wing aircraft including a vehicle vibration control system. The vehicle vibration control system includes a rotating hub mounted vibration control system, the rotating hub mounted...
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8157512 |
Heat pipe intercooler for a turbomachine
A turbomachine includes a compressor having an intake portion and an outlet portion. The compressor compresses air received at the intake portion to form a compressed airflow that is passed from...
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8152453 |
Ceiling fan with angled mounting
A fan system comprises a fan, a bracket configured to mount to a ceiling structure, and a mounting assembly coupling the fan with the bracket. The mounting assembly comprises a fan mounting...
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8152452 |
Computer room environmental conditioning unit with translatable blowers
A conditioning unit can allow the blower to be easily translated from a first operable position in the conditioning unit to a second operable position external to the conditioning unit. The...
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8152438 |
Installing a shaft in a bearing comprising a self-releasing nut
A gas turbine engine including a shaft, a bearing, a coupling supported by the bearing is disclosed. The shaft is engaged by an end trunnion inside the coupling and fixed to the coupling by a...
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8152439 |
Method and apparatus for starting supersonic compressors
A supersonic gas compressor. The compressor includes aerodynamic duct(s) situated on a rotor journaled in a casing. The aerodynamic duct(s) generate a plurality of oblique shock waves for...
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8152436 |
Blade under platform pocket cooling
Inlets are provided at a front end of inter-blade cavities for allowing coolant to flow therein to cool down the undersurface of the blade platforms as well as the rim of the disc of a rotor assembly.
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8152437 |
Interface member for a power plant
A power plant includes a first turbine having a plurality of turbine stages. The first turbine discharges a first fluid flow. A second turbine is operatively coupled to the first turbine. The...
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8137060 |
Actuation of a turbofan engine bifurcation to change an effective nozzle exit area
The invention relates to a turbine engine that includes a spool supporting at least one of a compressor and a turbine. A turbofan is coupled to the spool The spool is arranged in a core nacelle,...
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8133023 |
Wind turbine with variable area propeller blades
An apparatus and method for reducing wind turbine damage includes a propeller having a plurality of blades projecting radially from a hub. The blades may be adjustably combined to form variable...
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8133003 |
Magnetic adjustment of turbomachinery components
Disclosed is a seal for a turbomachine including at least one fixed component located proximate to a rotating component of the turbomachine defining a clearance therebetween. At least one magnet is...
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8118536 |
Method and system for operating a wind turbine
A lubrication system for a wind turbine having a control system, the lubrication system including a sump configured to collect a lubrication fluid, and at least one heating unit configured to heat...
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8113764 |
Steam turbine and a method of determining leakage within a steam turbine
A steam turbine includes a shaft operatively connecting a first turbine section and a second turbine section. A packing assembly is positioned about the shaft. A first conduit is fluidly connected...
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8113768 |
Actuated variable geometry mid-turbine frame design
A mid-turbine frame assembly includes a mid-turbine frame, a ring structure and a plurality of actuated struts. The ring structure surrounds the mid-turbine frame, and has an interior surface and...
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8113440 |
Vehicle supplemental heating system including spool valve manifold
Disclosed herein is an exemplary supplemental heating system including a liquid heat generator having a hydrodynamic chamber for selectively heating a fluid. The supplemental heating system further...
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8100627 |
Pump wet end replacement method and impeller fixing mechanism
An impeller fixing mechanism is provided in a centrifugal pump for immobilizing the impeller, relative to the pump shaft and drive shaft of the pump, while effecting repairs to the pump, thereby...
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8100636 |
Recovery of expander-booster leak gas
A seal gas recovery method including introducing a first seal gas stream to a first mechanically coupled booster/expander assembly, where the first booster/expander assembly includes a first...
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8096747 |
Apparatus and related methods for turbine cooling
An apparatus and a method for cooling and/or sealing a gas turbine by selectively boosting the pressure of air extracted at a lower extraction stage is provided. The pressure of the extracted air...
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8096746 |
Radial loading element for turbine vane
A vane assembly for a gas turbine engine comprising a number of radial loading elements disposed between lugs of the vane ring and the vane support, such as to generate a radial load force against...
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8096748 |
Apparatus and method for double flow turbine first stage cooling
A method of cooling a double flow steam turbine includes supplying steam flow to each nozzle of the sections of the turbine; reversing a portion of each steam flow to provide a reverse steam flow...
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8096756 |
Apparatus and method for controlling a compressor
A compressor comprises a casing having an inner surface surrounding a rotor assembly, the rotor assembly having a plurality of circumferentially spaced radially outwardly extending rotor blades,...
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8092150 |
Gas turbine with axial thrust balance
A method for axial thrust control of a gas turbine, and a gas turbine with a device for controlling axial thrust are provided. A gas turbine, with regard to aerodynamic forces and pressure forces,...
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8092146 |
Active tip clearance control arrangement for gas turbine engine
An active tip clearance control (ATCC) apparatus of an aircraft gas turbine engine is situated within a pressurized core case of the engine. First and second portions of bypass air flow passing...
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8092145 |
Particle separator and separating method for gas turbine engine
A system and method for particle separation in a gas turbine engine centrifugal impeller bleed air system using a tangential velocity component of the compressor bleed air to centrifuge the...
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8087880 |
Active clearance control for a centrifugal compressor
Apparatus and method of operating a centrifugal compressor and active control system includes a centrifugal compressor with compressor blades mounted on an impeller, an annular cavity bounded in...
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8087870 |
Controlling operation of a compressor to avoid surge
A compressor or fan is controlled to avoid stall, surge or flutter. The control system includes a look-up table from which is retrieved a margin-adjusted limiting value of a control parameter of...
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8087872 |
Steam seal system
The present application provides a variable steam seal system for use with a steam turbine. The variable steam seal system may include a seal steam header, a first pressure section, a first...
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8087871 |
Turbomachine compressor wheel member
A turbomachine includes a rotor assembly including a wheel member. The wheel member includes a first portion that extends to a second portion through an intermediate portion. The intermediate...
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8083483 |
Water wheel barrage energy converter
A wheel-type of moving water energy conversion device consists of a limited number of paddles or blades attached to struts, which are secured to a central axis or geared drive shaft. The paddles or...
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8079802 |
Gas turbine
A gas turbine includes a shaft directional passage provided to a rotating member that rotates along a central axis of a rotor, which is a rotating axis of the rotating member, about the central...
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8075245 |
Removal of moisture from process gas
Embodiments of the disclosure may provide an exemplary method for operating a compressor system, wherein the method may include cooling a process gas containing water vapor to a first temperature....
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8066472 |
Method and apparatus for fan shaft bearing lubrication
A lubrication system for a bearing assembly includes a fan shaft with a plurality of conduits, a first bearing rotatably supporting the fan shaft, and a second bearing rotatably supporting the fan...
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8061973 |
Turbomachine including an adaptable intake system and method of controlling airflow to a turbomachine
A turbomachine includes a compressor having a compressor intake, and an intake system mounted upstream of the compressor intake. The intake system includes a housing and a plurality of selectively...
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8061962 |
Method of optimizing a ducted anti-torque rotor of a rotorcraft, in particular a helicopter, to minimize acoustic annoyance, and a ducted anti-torque rotor obtained thereby
The present invention relates to a method of minimizing the noise emitted by a ducted rail rotor anti-torque device at a frequency FE and perceived at a frequency FP, in which method the diameter...
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8061961 |
Fluid expansion device and method with noise attenuation
A device or system through which fluid is adapted to flow, such as, for example, a fluid-carrying conduit, flow control valve, or fluid expansion device including, for example, a steam turbine or...
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8061963 |
Guided wind kite for increased wind turbine power output
A wind turbine system includes a kite positioned upstream to a turbine to direct wind to the turbine, thereby increasing revolutions per minutes and power output of the turbine.
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8057158 |
Oscillation damping of a wind turbine
The invention relates to a wind turbine and a method for operating the wind turbine planted in the floor of a body of water. The wind turbine includes a support structure and a rotor, which is...
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8057157 |
System for delivering air from a multi-stage compressor to a turbine portion of a gas turbine engine
A system for providing air from a multi-stage to a turbine includes a turbine having a high pressure input port and a low pressure input port. The system also includes a compressor having at least...
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8055413 |
Method for compensating hydraulic pressure of automatic transmission
Faster shifting operation and reduced shift shock in response to a braking operation during a lift-foot-up shifting may be achieved when an automatic transmission is controlled by a method for...
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