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8157505 |
Turbine blade with single tip rail with a mid-positioned deflector portion
A turbine blade is provided comprising: an airfoil including an airfoil outer wall extending radially outwardly from a blade root, a squealer tip section located at an end of the airfoil distal...
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8109724 |
Recessed metering standoffs for airfoil baffle
An internally cooled airfoil comprises an airfoil body, a baffle and a plurality of standoffs. The airfoil body is shaped to form leading and trailing edges, and pressure and suction sides...
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8100653 |
Gas-turbine blade featuring a modular design
A gas-turbine blade has a root 5 and an airfoil 2, with the airfoil 2 including an internal load carrier 6 as well as an airfoil element 8 enclosing the internal load carrier 6 by forming a cavity...
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8061981 |
Blade for a flow machine
In a blade intended to be exposed to a gas flow at high speed during operation of a flow machine comprising the blade, the blade includes a front end designed to face towards the incoming gas flow...
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8047783 |
Systems and method for operating an active flow control system
A method performed by a control system for operating a wind turbine includes operating a flow control system of the wind turbine in a first mode, and operating the flow control system in a second...
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8047790 |
Near wall compartment cooled turbine blade
A turbine blade used in a gas turbine engine, the blade includes a plurality of cooled zones each with a plurality of radial extending cooling passages formed within the wall of the blade and...
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8025482 |
Turbine blade with dual serpentine cooling
A turbine rotor blade with a low cooling flow serpentine circuit to provides cooling for the airfoil. The circuit includes a three pass aft flowing serpentine circuit that begins at the airfoil...
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7988417 |
Air cooled turbine blade
A turbine blade with a 5-pass serpentine flow cooling circuit for mid-blade cooling that is formed from a 3-pass forward flowing serpentine circuit followed by a 2-pass aft flowing serpentine...
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7980812 |
Low pressure turbine rotor disk
A low pressure turbine rotor disk for a small twin spool gas turbine engine in which the rotor disk includes a forward side cavity large enough to allow for the bearing assembly that rotatably...
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7819627 |
Aerofoil
An aerofoil made from a sheet metal blank which is bent in the shape of an aerofoil such that it has a leading edge, a trailing edge, a pressure side and a suction side, and the blank is joined at...
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7641444 |
Serpentine flow circuit with tip section cooling channels
A turbine blade having a three pass forward flowing serpentine flow cooling circuit with a first leg connected to exit cooling holes along the trailing edge of the blade, a third and last leg...
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7637462 |
Surface flow diverting and static charging ducted pores on wing or blade tip to reduce wake and BVI noise
Air pressure distribution for airfoil lower and upper surfaces is utilized to divert airflow using ducts formed in space-curve shapes placed inside the airfoil volume, through span-wise located...
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7513738 |
Methods and apparatus for cooling gas turbine rotor blades
Methods and apparatus for cooling rotor blades of a gas turbine are provided. The turbine blade has an airfoil connected to the platform and a dovetail extending from the platform. A main cooling...
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7497657 |
Beam jet propellor
A beam jet propeller is provided, especially a beam jet propeller which increases the friction force of the fluid by spiral or linear diversion protrusions or diversion grooves on the inner wall of...
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7438527 |
Airfoil trailing edge cooling
A turbine airfoil includes a span wise extending cavity formed from a ceramic mold and a slot extending from the cooling air cavity to a trailing edge being formed by a refractory metal core. The...
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7354247 |
Blade for a rotor of a wind energy turbine
A blade for a rotor of a wind energy turbine includes opposite upper and lower faces, opposite leading and trailing edges connecting the upper and lower and at least one air outlet opening arranged...
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7303375 |
Refractory metal core cooling technologies for curved leading edge slots
A turbine engine component has an airfoil portion with a leading edge portion. The leading edge portion includes a plurality of staggered holes for causing fluid to flow over a surface of the...
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7244101 |
Dust resistant platform blade
A gas turbine engine rotor blade includes an airfoil, platform, shank, and dovetail integrally joined together. A dust escape hole extends through the platform adjacent a fillet bridging the...
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7241113 |
Vorticity control in a gas turbine engine
An arrangement for reducing vorticity downstream of a turbine nozzle guide vane 34 in a gas turbine engine. The arrangement including directing cooling air through the guide vane 34 and out through...
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7186082 |
Cooled rotor blade and method for cooling a rotor blade
A rotor blade and a method for cooling a rotor blade are provided. The rotor blade includes a root and a hollow airfoil having a cavity defined by suction side wall, a pressure side wall, a leading...
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7137780 |
Internal cooling system for a turbine blade
A turbine blade for a turbine engine having a cooling system with at least one serpentine cooling channel in internal aspects of the turbine blade. The serpentine cooling channel includes at least...
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7086829 |
Film cooling for the trailing edge of a steam cooled nozzle
A nozzle assembly (10) for a turbine engine includes an inner band (16) and an outer band (14) spaced apart from each other. An airfoil (12) installed between the bands has a leading edge (18) and...
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7025568 |
Turbomachine aerofoil
A fan blade (26) comprises a leading edge (44), a trailing edge (46), a concave wall portion (50) extending from the leading edge (44) to the trailing edge (46) and a convex wall portion (52)...
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6948906 |
Rotor blade system with reduced blade-vortex interaction noise
A rotor blade system with reduced blade-vortex interaction noise includes a plurality of tube members embedded in proximity to a tip of each rotor blade. The inlets of the tube members are arrayed...
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6910864 |
Turbine bucket airfoil cooling hole location, style and configuration
First, second and third sets of cooling holes are provided in a turbine airfoil. The first set of holes adjacent a leading edge have turbulators commencing at a predetermined distance from the root...
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6761534 |
Cooling circuit for a gas turbine bucket and tip shroud
An open cooling circuit for a gas turbine airfoil and associated tip shroud includes a first group of cooling holes internal to the airfoil and extending in a radially outward direction generally...
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6454533 |
Hollow blade for hydraulic turbine or pump
A runner for a hydraulic turbine or pump includes a hub and a plurality of blades extending from the hub at spaced intervals therearound. Each blade includes an inner edge secured to the hub and a...
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6439756 |
Agitator
An agitator for agitating liquids in an agitator vessel for suspending solids and dispersing gas in a liquid, in particular in an absorber of a flue gas desulfurizing plant, includes an agitator...
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5997245 |
Cooled shroud of gas turbine stationary blade
The invention relates to a cooled shroud in a gas turbine stationary blade which is able to flow a cooling air in the entire area of an inner shroud for cooling thereof. Three stationary blades are...
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5993156 |
Turbine vane cooling system
A turbine vane-system cooling system uses three internal cooling cavities 1, 12, 13) separated by two radial walls (9, 10). The upstream cavity (11) uses a helical ramp (30) and is fed through an...
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5902093 |
Crack arresting rotor blade
A rotor blade includes a dovetail and an airfoil joined thereto. The airfoil includes first and second spaced apart sides joined together laterally at opposite leading and trailing edges, and...
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5709419 |
Wind energy collection
A method and device for collecting energy from wind includes an airfoil having an outer surface defining a leading edge, a central section of greatest breadth adjacent to which a Bernoulli effect...
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5660523 |
Turbine blade squealer tip peripheral end wall with cooling passage arrangement
A turbine blade squealer tip has a cooling passage arrangement which includes a peripheral end wall surrounding a central portion of an end cap of the squealer tip, an outer peripheral groove...
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5529458 |
Circulation control aerofoils
A circulation control aerofoil having an internal chamber for receiving during operation air for exhaust through a circulation control air exhaust slot defined by spaced-apart slot lips is provided...
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5503529 |
Turbine blade having angled ejection slot
A gas turbine engine turbine airfoil includes first and second opposite sidewalls joined together at leading and trailing edges and extending from a root to a tip thereof. The sidewalls have...
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5326224 |
Cooling hole arrangements in jet engine components exposed to hot gas flow
A jet engine component includes a body having a wall portion with an external surface exposed to hot gas flow and an internal surface exposed to a cooling air flow. The engine component...
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5246340 |
Internally cooled airfoil
A hollowed, internally cooled airfoil per gas turbine engines with an improved internal configuration for pronounced impingement cooling. Internal ribs extend across the hollowed interior and...
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5106265 |
Wind-turbine wing with a pneumatically actuated spoiler
A flexible spoiler is arranged on the suction side of a wing and spoiler is made of a narrow flexible fold tape covering a tunnel which is sealed against the outer airstream and extends inside the...
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4966526 |
Mechanically actuated slot for circulation control rotor
A circulation control rotor system for aircraft in which compressed air is directly supplied at generally constant pressure to plenums in the rotor blades and discharged through area controlled...
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4793771 |
Impeller for spherical pumps
An impeller forming a unit with the spherical rotor of a sphero-pump consists of a disc with vanes and an inlet member, both made by injection molding from resin. A rotor plate made from a thick...
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4787820 |
Turbine plant compressor disc with centripetal accelerator for the induction of turbine cooling air
A turbine plant compressor disc is formed from two halves which are welded together near the rim and define an internal cavity in which a centripetal accelerator is mounted for inducing cooling air...
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4786233 |
Gas turbine cooled blade
The penetrating members (21, 35, 37, 38, 39) are disposed inside the cooling passage (8) at positions so as to penetrate through the cooling passage (8), and have both of ends thereof fixed to the...
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4780051 |
Hydraulic turbine aeration apparatus
An apparatus for aerating water discharging from a hydraulic turbine comprises an air distribution apparatus secured to the trailing edges of a turbine runner. The air distribution apparatus...
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4650949 |
Electrode for electrical discharge machining film cooling passages in an airfoil
A sheet metal electrode for forming a shaped, diffusing film coolant passage has a straight, longitudinally extending forward section forming an acute angle with a flat middle section, which, in...
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4595339 |
Centripetal accelerator for air exhaustion in a cooling device of a gas turbine combined with the compressor disc
A compressor disc assembly with an integral centripetal accelerator for the exhaustion of air for use in a cooling device of a gas turbine, the bleeding of air at the surface of the compressor drum...
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4589611 |
Air jet reaction contrarotating rotor gyrodyne
A high wing, twin jet gyrodyne having air jet reaction, contrarotating rotors powered with bypass air from twin turbofan engines. Tail pipes from the turbofan engines are disposed parallel to and...
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4542867 |
Internally cooled hollow airfoil
In a hollow airfoil, thin metal baffle sheets are bonded to opposing suction and pressure sides of a longitudinally extending cooling air cavity. The longitudinally extending downstream edges of...
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4415310 |
System for cooling a gas turbine by bleeding air from the compressor
A system for cooling a gas turbine by bleeding air from the compressor and channeling the air at the center of the engine towards the turbine in order to cool it. The air is bled from the plane of...
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4371480 |
Propeller for distributing a gaseous, powdered or liquid material in a liquid
Apparatus and propeller for distributing a gaseous, liquid or powdered material in a liquid by rotation in the liquid of a propeller having two or more blades. The blades have a perforated hollow...
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4168348 |
Perforated laminated material
A material suitable for making combustion chambers for gas turbine engines comprises at least two abutting sheets of perforated material, the perforation being out of alignment and interconnected...
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