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8182232 |
Wind generator blade with divergent trailing edge
A wind turbine blade having an aerodynamic profile (5) with a leading edge (11), a trailing edge (13) and suction and pressure sides (17, 19) between the leading edge (11) and the trailing edge...
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8172543 |
Airfoil shape for a compressor
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in TABLE A. X and Y are distances in inches which, when...
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8167568 |
High pressure turbine blade airfoil profile
A two-stage high pressure turbine includes a second stage blade having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...
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8167567 |
Gas turbine engine airfoil
A rotor blade for a gas turbine engine includes an airfoil that extends in span between a root and a tip region. A leading edge and a trailing edge of the airfoil section extend between a chord...
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8152474 |
Cooling fan impeller
An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of...
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8152459 |
Airfoil for axial-flow compressor capable of lowering loss in low Reynolds number region
In a transonic region with a Reynolds number not more than a critical Reynolds number, a flow velocity distribution on an extrados of an airfoil has a single supersonic maximum value within a range...
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8147188 |
Air cooled bucket for a turbine
A bucket for a turbine is described. The bucket includes a dovetail portion configured to couple the bucket to a turbine wheel, the dovetail portion having a lower surface. The bucket also includes...
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8133030 |
Airfoil shape
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a table. The table selected from the TABLE. Wherein X and...
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8128375 |
Turbomachine blade that is cast with a local fattening of the section of the airfoil
The monocrystalline turbomachine blade according to the invention that is cast and directionally solidified, is disclosed. The blade includes an airfoil with a leading edge, a pressure face, a...
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8118558 |
Runner vane for axial-flow hydraulic machinery
A camber line in a radial section of a runner vane has a curved part extending near the tip of the runner vane is convex toward the front surface of the runner vane. The runner vane is formed in a...
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8105043 |
HP turbine blade airfoil profile
A two-stage high pressure turbine includes a second stage blade having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...
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8100648 |
Submersible rotor design
An improved rotor blade used in combination with a submersible electrical generator comprises a rotor base with width BW, a leading edge, a tip, and a trailing edge. The leading edge and the...
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8096777 |
Mixed flow turbine or radial turbine
A mixed flow turbine or radial turbine suppresses a rapid increase in load applied on a leading edge of a blade, and can reduce incidence loss. The mixed flow turbine or radial turbine includes a...
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8092189 |
Axial flow pump
Radial cross sections of front sides in rotational direction of impellers attached to a pump shaft obliquely to a circumferential direction from an upstream side toward a downstream side have...
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8083470 |
Fan and impeller thereof
A fan includes a frame, a motor and an impeller. The motor is disposed on the frame and coupled to the impeller to drive the impeller to rotate. The impeller includes a hub, a plurality of blades...
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8079823 |
Fan blades
A fan blade comprises an airfoil having an upper surface with region that has a generally elliptical curvature. In some examples, the lower surface has a convex region and a concave region. The...
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8057169 |
Airfoil core shape for a turbine nozzle
An article of manufacture includes an object having an airfoil core shape. The airfoil core shape has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z...
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8052395 |
Air cooled bucket for a turbine
A bucket for a turbine is provided. The bucket includes an airfoil having a root portion, a tip portion, an airfoil shape, and a nominal profile substantially in accordance with Cartesian...
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8043064 |
Fan and fan wheel thereof
A fan and a fan wheel thereof are provided. The fan comprises the fan wheel and a fan cowl. The fan wheel comprises a hub and a plurality of blades. The hub can define an axial direction and a...
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8038410 |
Optimized aerodynamic airfoil for a turbine blade
When cold and in the uncoated state, the aerodynamic airfoil is substantially identical to a nominal airfoil determined by the Cartesian coordinates X, Y, Z′ given in Table 1, in which the c...
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8038411 |
Compressor turbine blade airfoil profile
A turbine blade includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 1. The X...
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8038409 |
Turbomachine with rotors of high specific energy transfer
A turbomachine has at least one rotor blade row designed for extremely high work coefficients (high-load), which—in its center section and/or averaged over the blade height—provides for an ess...
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8033792 |
High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal
A centrifugal pump having a turbine impeller having a plurality of curved vanes. The vanes curve from the inlet end to the outlet end in the direction of pumping rotation of the impeller, such that...
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8016568 |
Wind turbine blade
Disclosed is a blade including a blade body including a leading edge and a trailing edge, and at least one trailing edge cavity defined by a blade area disposed in at least partial alignment with...
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8011891 |
Centrifugal multiblade fan
A centrifugal multiblade fan according to the present invention sucks air from one end side of an axial direction of a rotation axis to a radial inside, and blows the air to a radial outside. The...
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8007245 |
Shank shape for a turbine blade and turbine incorporating the same
A turbine includes a turbine wheel having a plurality of buckets, each of the buckets including a bucket airfoil, a bucket dovetail to connect the bucket to a turbine wheel and a shank shape to...
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7997873 |
High efficiency last stage bucket for steam turbine
A turbine bucket including a bucket airfoil having an airfoil shape is provided. The airfoil shape has a nominal profile according to the tables set forth in the specification. The X and Y...
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7997872 |
Fan blade
The suction surface blade angle of a transonic fan blade, subject in use to a shock wave, progressively reduces along part of the suction surface, beginning at a position upstream of the shock wave...
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7988424 |
Bucket for the last stage of a steam turbine
A turbine bucket including a bucket airfoil having an airfoil shape is provided. The airfoil shape has a nominal profile according to the tables set forth in the specification. The X and Y...
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7980825 |
Savonius rotor blade construction particularly for a three bladed savonius rotor
A Savonius vertical axis wind turbine rotor, that is effective yet relatively easy to manufacture, includes spokes, vanes, and fasteners. Each spoke has a hub having a central opening, three...
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7972116 |
Blade for a gas turbine engine
A blade for a gas turbine engine includes an aerofoil portion and a root portion defined by concave and convex walls having opposing inner surfaces. A reinforcing member is located between the...
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7967571 |
Advanced booster rotor blade
A rotor airfoil having a leading edge extending from a root to a tip, an inner span region and an outer span region the leading edge having a sweep angle profile such that the sweep angle increases...
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7946803 |
Rotor blade for a wind power system
The invention pertains to a rotor blade for a wind power system as well as a wind power system. The present invention is based on the objective of disclosing a rotor blade with a rotor blade...
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7946827 |
Blades
A blade for a gas turbine engine includes a root portion, an aerofoil portion and a transition portion between the root portion and the aerofoil portion. The aerofoil portion and the transition...
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7946824 |
Electric axial flow fan
In an axial flow fan, a line extending from a center axis and passing a corner where a following edge and a radially outer edge of a blade of an impeller meet is arranged forwardly in a rotational...
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RE42370 |
Reduced shock transonic airfoil
A transonic turbine blade. Expansion waves are generated by a lifting surface on the blade. The expansion waves extend downstream, through a shock generated at the trailing edge of an adjacent...
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7896609 |
Vertical axis wind turbine system
The present invention is a vertical wind turbine having a turbine with a plurality of blades or wind vanes. The blades are constructed and attached to the shaft of the turbine so as to allow them...
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7896617 |
High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal
A centrifugal pump having a turbine impeller having a plurality of curved vanes. The vanes curve from the inlet end to the outlet end in the direction of pumping rotation of the impeller, such that...
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7883324 |
Wind turbine airfoil family
A family of airfoils for a wind turbine blade. Each airfoil may include a blunt trailing edge, a substantially oval shaped suction side, and a substantially S-shaped pressure side.
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7866938 |
Vertical axis windmill with guiding devices
The instant invention deals with the solution to technical flaws of existing vertical axis windmills in which the wind strikes simultaneously on inward and outward facing sides of rotor blades...
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7862303 |
Compressor turbine vane airfoil profile
A single stage high pressure turbine vane includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set...
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7862304 |
Compressor turbine blade airfoil profile
A single stage high pressure turbine blade includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z...
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7811056 |
Turbine wheel for a gas operated medical handpiece and medical handpiece having a turbine wheel
A turbine wheel for a gas operated medical handpiece includes a plurality of blades which extend in radial direction from a hub and extend in axial direction from a side ring web of the turbine...
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7802967 |
Vertical axis self-breaking wind turbine
A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an...
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7794202 |
Turbine blade
A turbine blade is provided, comprising a stator-side end located toward a stationary stator cylinder of the turbine, a rotor-side end located toward an axial rotor of the turbine, a leading edge...
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7766600 |
Savonius rotor with spillover
A Savonius vertical axis wind turbine rotor has first and second curved vanes having remote substantially vertical edges widely spaced form each other, and proximate substantially vertical edges...
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7766624 |
Rotor blade for a ninth phase of a compressor
The invention relates to a blade of a rotor of a ninth phase of a compressor, which can be defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z),...
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7762777 |
Savonius wind turbine construction
A Savonius vertical axis wind turbine rotor has at least three spokes, at least two vanes, and fasteners. Each spoke includes a hub with central opening and arcuate ribs integral with the hub and...
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7740451 |
Turbomachine blade
The blades of a turbomachine comprise airfoils, which are bent such that the lean angle (φ), defined as the angle which the stacking line of the airfoil includes with the radial direction, and ...
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7740449 |
Process for adjusting a flow capacity of an airfoil
A process for adjusting a throat area (the flow capacity) between airfoils in an airfoil configuration such as a stator ring used in a small gas turbine engine. The airfoils are designed with an...
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