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8444370 |
Impeller for pumps
A rotary wheel for radial pumps includes an intermediate wall at which one or more vanes are provided on both sides. Passage openings are formed in the intermediate wall in order to distribute a...
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8444381 |
Gas turbine bucket with serpentine cooled platform and related method
A cooling circuit for a turbine bucket having a shank, a platform and an airfoil. The cooling circuit includes a first cooling passage extending from an inlet located at a radially inward end of...
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8444371 |
Axially-oriented cellular seal structure for turbine shrouds and related method
A seal system between a row of buckets supported on a machine rotor and a surrounding stationary casing or stator includes a tip shroud secured at radially outer tips of each of the buckets, the...
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8444372 |
Passive cooling system for a turbomachine
A turbomachine includes a housing having an outer surface and an inner surface that defines an interior portion. The housing includes a fluid plenum. A rotating member is arranged within the...
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8439626 |
Turbine airfoil clocking
A method of decreasing the operational stresses acting on a target airfoil row in a turbine engine; wherein the target airfoil row is bordered on each side by a first upstream airfoil row and a...
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8439627 |
Steam turbine and cooling method thereof
A steam turbine includes a casing, a rotor arranged inside the casing so as to extend in an axial direction of the casing, a rotor disk integrally formed with the rotor, a rotor-side implanting...
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8434994 |
System and method for modifying rotor thrust
A gas turbine includes a compressor, a turbine downstream of the compressor having stators, and a rotor connecting the compressor to the turbine. The rotor includes rotor cavities. A supply plenum...
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8435002 |
Helicopter vibration control system and rotating assembly rotary forces generators for canceling vibrations
A rotary blade rotating hub mounted rotating assembly vibration control system including a first imbalance mass concentration rotor, a second imbalance mass concentration rotor, a third imbalance...
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8430632 |
System and method for pitching a rotor blade in a wind turbine
A system and method for pitching a rotor blade in a wind turbine are disclosed. The method includes collecting in an individual pitch controller for the rotor blade a pitch offset angle relative to...
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8419344 |
System and method for measuring efficiency and leakage in a steam turbine
In certain embodiments, a system includes a physical computing device having a tangible machine-readable medium including code. The code is adapted to determine an efficiency of a section of a...
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8419345 |
Actuator
In one embodiment a system is disclosed that includes an actuation device coupled with a turbomachinery mechanism. The actuation device can include multiple fluid pathways and a valve to...
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8419348 |
Fan array fan section in air-handling systems
A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include...
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8414252 |
Method and apparatus for double flow turbine first stage cooling
A cooling path is defined through a double-flow steam turbine. The steam turbine includes a generator end and a turbine end and a double-flow tub diaphragm disposed axially between the generator...
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8414249 |
Multistage compressor with improved map width performance
A compressor typically for use in a turbocharger comprises a downstream radial compressor impeller wheel, an upstream axial compressor impeller wheel and an intermediate stator. The compressor...
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8414248 |
Variable geometry vane
The present invention includes a pivotable vane having an airfoil with a vane spindle or stem extending toward a distal end thereof. The vane stem has a head with a pair of tapered flats having an...
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8408866 |
Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine
A turbine airfoil arrangement for a gas turbine engine includes an airfoil having an inlet and an exit, the inlet configured to receive a cooling gas flow operable to cool at least part of an other...
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8403621 |
Blade variation in dependence of the degree of throttling on fluid-flow machine
A method for the variation of at least one blade row of a fluid-flow machine, in which, in dependence of the actual operating point, in addition to an aerodynamic speed, at least one further...
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8398359 |
Exhaust diffuser
An exhaust diffuser including an outer flow guide surface and an inner flow guide surface defining an inlet, a first collection chute having an outlet in fluid communication with the inlet, the...
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8398360 |
Method and device for resisting wear from particle containing water on an impeller
A method and a device for counteracting wear from particle bearing drive water in a runner (4) in a water turbine (1), the runner (4) comprising a runner hub (16) and a vane (18), or a runner hub...
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8393852 |
Turbocharger having a device for detecting a malfunction of the turbocharger and a method for detecting such a malfunction
The turbocharger having a device for detecting a malfunction of the turbocharger, particularly a malfunction of at least one bearing of the turbocharger has the following features: The device for...
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8388314 |
Turbine inlet casing with integral bearing housing
A compressor inlet casing comprising an inner bellmouth and a bearing housing. The bearing housing may include an integrally cast first half connected to the inner bellmouth and a cavity positioned...
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8388300 |
Turbine ring segment
A ring segment for a turbine in a gas turbine engine, the ring segment having a backside impingement cavity to collect spent impingement cooling air, and a number of separate impingement chambers...
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8376686 |
Water turbines with mixers and ejectors
Turbine systems for extracting energy from water traveling relative to the turbine system can include a rotor assembly for extracting the energy, a turbine shroud having a turbine shroud inner...
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8376687 |
System and method for cooling steam turbine rotors
A steam turbine includes a rotor having a plurality of early stages and a stator portion surrounding a portion of the rotor and arranged such that a leakage region exists between the stator portion...
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8371799 |
Turbo compressor/journal foil bearings with axial retainers
An apparatus and method for maintaining separation of two journal foil bearing assemblies, where each journal foil bearing assembly comprises one or more foils with lugs formed thereon for...
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8371800 |
Cooling gas turbine components with seal slot channels
A segment of a component for use in a gas turbine includes a leading edge; a trailing edge; a pair of opposed lateral sides between the leading and trailing edges; and a seal slot provided in each...
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8366377 |
FC fan flow measurement system using a curved inlet cone and pressure sensor
An airflow volume sensing system for determining the flow rate through a fan includes a curved inlet cone with a pressure sensor at the minimum diameter of the cone, wherein the flow volume sensing...
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8360712 |
Method and apparatus for labyrinth seal packing rings
A seal assembly for a turbomachine may include at least one arcuate plate coupled to an interior surface of a stationary housing; a circumferentially-segmented packing ring disposed intermediate to...
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8360711 |
Apparatus and method for pressurized inlet evaporative cooling of gas turbine engines
An apparatus for cooling air for an intake to a gas turbine, is provided and includes a pressurized water piping and nozzle apparatus for producing a water spray in an airflow to the intake; and...
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8356974 |
Steam turbine and method of cooling steam turbine
A steam turbine 20 is provided with a casing 109, a turbine rotor 25 disposed through the casing 109, and labyrinth portions 50, 55 which are disposed at the boundary between the casing 109 and the...
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8348600 |
Gas turbine engine having controllable inlet guide vanes
An inlet guide vane assembly includes an active control feedback system and a plurality of inlet guide vanes. The inlet guide vanes are variable between a plurality of positions. Each of the...
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8348613 |
Airflow influencing airfoil feature array
An example gas turbine engine airfoil includes an airfoil wall establishing a cavity that extends axially from an airfoil leading edge portion to an airfoil trailing edge portion and extends...
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8348592 |
Instability mitigation system using rotor plasma actuators
An instability mitigation system is disclosed, comprising a rotor having a row of blades arranged around a centerline axis, and a mitigation system comprising at least one plasma actuator mounted...
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8342793 |
Active surge control
The present invention generally relates to a system for preventing surges in turbine engines and/or rotating compressors. Furthermore, some embodiments comprise sensors for monitoring engine...
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8337139 |
Method and system for reducing the impact on the performance of a turbomachine operating an extraction system
A method and system for increasing the efficiency of a turbomachine having an extraction system is provided. The extraction system may have multiple extraction ports from which the working fluid of...
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8337142 |
System and method for reducing thrust acting on submersible pumping components
A technique is provided to facilitate pumping of fluids in a well environment. A submersible pumping system having a submersible pump incorporates features that manage thrust loads resulting from...
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8337143 |
Actuator in turbocharger of vehicle and method for controlling the same
Actuator in a turbocharger of a vehicle and method for controlling the same is disclosed, in which a position of a vane is followed up in controlling a PWM signal to be applied to a motor according...
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8337144 |
Method for detecting rotating stall in a compressor
A system and method is provided for detecting and controlling rotating stall in the diffuser region of a compressor. A pressure transducer is placed in the gas flow path downstream of the impeller,...
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8333544 |
Card seal for a turbomachine
A card seal with an annular arrangement of plates that form the card seal, where the plates are rotated at an angle around a longitudinal axis of the plates so that the gaps between adjacent plates...
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8328499 |
Road with inlayed wind harnessing technology
A method and apparatus is provided for harnessing the wind energy generated by vehicles passing on a roadway. A roadway is provided with a trench extending from a surface of the roadway. The trench...
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8317458 |
Apparatus and method for double flow turbine tub region cooling
A steam turbine includes a turbine rotor, a generator end having a generator end first stage with a first reaction, and a turbine end having a turbine end first stage with a second reaction not...
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8317459 |
Systems, methods, and apparatus for providing a magnetic seal
Embodiments of the invention can provide systems, methods, and an apparatus for providing a magnetic seal. According to one embodiment, a system having a magnetic seal can be provided. The system...
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8317456 |
Fan case reinforcement in a gas turbine jet engine
Described is reinforcement of a fan case in a gas turbine jet engine. In one embodiment, a containment ring and a hear resistance ring are shrink interference fit on the inside diameter of the fan...
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8317457 |
Method of operating a compressor
A method of operating a compressor having a row of blades for preventing a compressor stall is disclosed, the method comprising the steps of mounting a plasma generator in a casing or a shroud...
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8313281 |
Tandem seal arrangement with reverse flow secondary seal
A process fluid communication system includes a fluid source in communication with a process seal and a gearbox seal to communicate a pumping medium into a turbomachinery housing and a gearbox...
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8313280 |
Method and device to avoid turbo instability in a gas turbine engine
(A1) A turbofan engine control system is provided for managing a fan operating line. The engine (10) includes a spool having a turbine housed in a core nacelle (12). A turbofan (20) is coupled to...
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8313279 |
Dual rotor vibration monitoring
Vibration is monitored in a dual rotor engine. A first total vibration of the engine is measured during operation. Relative phase of the two rotors is then clocked, and a second total vibration of...
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8308421 |
Axial turbine
A method of operating an axial turbine, having a stage including stationary blades and moving blades, each stationary blade having a radial height of an outlet thereof higher than the radial height...
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8308420 |
Centrifugal compressor, impeller and operating method of the same
A centrifugal compressor is equipped with an impeller having a blade angle distribution that makes it possible to achieve a relatively wide operating range. The blade angle of a shroud side facing...
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8302876 |
Vehicle supplemental heating system
A preferred embodiment supplemental heating system is fluidly connectable to a vehicle cooling system and includes a liquid heat generator operable for heating a cooling fluid delivered to the...
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