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Match Document Document Title
9039380 Winglet for a wind turbine rotor blade  
A winglet for a rotor blade is disclosed. The winglet may generally include a winglet body extending between a first end and a second end. The winglet body may define a sweep and may have a...
9011103 Rotor blade of a wind power plant, method of fabricating a rotor blade and a pair of belts for a rotor blade  
The invention relates to a rotor blade (10) of a wind power plant and a method for fabricating a rotor blade (10) of a wind power plant and a manufacturing mold (54, 50) for a belt (28-31). The...
9004861 Blade tip having a recessed area  
An example blade assembly includes, among other things a blade tip having a pressure side and a suction side, and a plurality of grooves within the blade tip. At least one of the grooves has a...
8951008 Compressor blade and production and use of a compressor blade  
The invention relates to a compressor blade of a compressor which, along a main axis, comprises a blade base, a platform area and an adjacent blade profile having a profile tip. The blade profile...
8951018 Variable pitch propeller and associated propeller blade  
A variable pitch propeller comprises a plurality of blades pivotally connected to a hub. Each of the plurality of blades has a base having a leading end and a trailing end. The trailing edge has a...
8939708 Universal spherical turbine with skewed axis of rotation  
A universal spherical reaction turbine for any flowing fluid at any depths or elevation that is capable of unidirectional rotation under reversible flow conditions. The turbine includes a...
8932024 Wind turbine blade and wind power generator using the same  
An object is to provide a wind turbine blade having a serrated plate that can be formed irrespective of the overall structure of the blade, that is attached in the optimum shape, and that can...
8915717 Impeller wheel for a ventilator  
The impeller wheel is rotatably supported about a central axis and has a hub on which vanes are arranged. The vane has across its radial length at least similar profiled sections, viewed in...
8899930 Fan  
A fan, for a ventilation assembly has blades extending from a cup-shaped central hub. The hub has an annular side wall and a bottom wall defining a receptacle for an electric motor. The hub has...
8899938 Blade for a turbomachine  
A blade for a turbomachine, in particular for a rotor of a helicopter. A main section is designed to create a flow in the surrounding medium and extends from a hub section to a blade tip region....
8894376 Turbomachine blade with tip flare  
Certain embodiments of the present disclosure include a system having a turbomachine including a plurality of turbomachine blades coupled to a rotor, wherein each turbomachine blade has a blade...
8894364 Aerofoil blade for an axial flow turbomachine  
An exemplary aerofoil blade for an axial flow turbomachine has a radially inner platform region, a radially outer tip region, an axially forward leading edge, and an axially rearward trailing...
8894374 Wind turbine blade  
A blade for a rotor of a wind turbine has a root region with a substantially circular or elliptical profile closest to the hub and an airfoil region with a lift generating profile furthest away...
8882470 Rotor for a wind power generator  
A rotor according to a preferred embodiment of the invention has at least one blade arranged at a hub of the rotor, wherein the blade has a curvature between its leading edge and its trailing edge...
8870541 Centrifugal multiblade fan  
A centrifugal multiblade fan includes a rotatable shaft, blades, a side shroud, and a main shroud. A front edge has a shape inclined radially outward in a direction from the main shroud toward the...
8851851 Super low noise fan blades, axial flow fans incorporating the same, and commercial air cooled apparatuses incorporating such axial flow fans  
Large diameter axial Super Low Noise flow fans and commercial air cooled apparatuses incorporating such fans are provided. The large diameter axial flow fan is mounted on the air cooled apparatus...
8851857 Wind turbine blade and wind power generator using the same  
Provided are a wind turbine blade that can reduce the thickness of a turbulent-flow boundary layer generated on the blade surface of a blade tip portion to prevent noise generated at a trailing...
8845294 Spacer interposed between a blade root and the bottom of a slot in the disk in which the blade is mounted  
Spacers interposed between blades attached to the disk of a rotor having slots and bottoms of the slots are disclosed. Each spacer is made of an elastically deformable material and at least one...
8834127 Extension for rotor blade in wind turbine  
A rotor blade assembly for a wind turbine and a method for increasing a loading capability of a rotor blade within a maximum load limit for a wind turbine are disclosed. The rotor blade assembly...
8827649 Fan assembly  
A fan assembly according to an exemplary embodiment of the present invention includes: a hub; and a plurality of blades including a leading edge corresponding to a side hit by air and a trailing...
8821126 Angled airfoil extension for fan blade  
An angled fan blade extension includes an attachment portion and an angled portion. The attachment portion is configured to facilitate securing the angled fan blade extension to the distal end of...
8794926 Turbine blade with improved aerodynamic performance  
One or more protuberances are provided on a turbine blade on its suction side in a vicinity of its trailing edge. The protuberances serve to reduce a separation zone in a vicinity of a blade...
8794927 Fluid flow modification apparatus and method of manufacture  
A fluid flow modification apparatus (10) has a surface (15), the surface having an edge (65) of length Y over or past which a fluid can flow in use. The edge (65) has a virtual boundary (30) of...
8790088 Compressor having blade tip features  
A compressor having a compressor blade with a blade tip portion configured to reduce stresses in the blade tip of the compressor blade is provided. The compressor blade includes a first and second...
8784060 Centrifugal fan  
A centrifugal fan has a circular main plate driven and rotated by a motor rotary shaft, a plurality of blades fixed to an outer circumferential portion of the main plate and spaced apart at...
8777572 Rotor blade  
A rotor blade has a radially extending aerofoil body having pressure and suction sides. The rotor blade further has squealer tip. The squealer tip includes a peripheral wall surrounding a cavity...
8764403 Fan and propeller performance enhancements using outsized gurney flaps  
The present invention relates to enhancing performance of fans and propellers using outsized Gurney flaps. Specifically, the current invention proposes the application of ‘outsized Gurney flaps’...
8747067 Trillium wind turbine  
A trillium wind turbine has an electricity-generating nacelle and swept-back, complexly-curved blades. Each blade has a main blade, a trailing edge blade, and a diversion blade. Wind is directed...
8696318 Stepped surface propeller  
A marine surface propeller, and blade therefore, which is surface piercing and partially submerged, and includes a blade geometry that improves distribution of pressure and control to wetted and...
8690536 Turbine blade tip with vortex generators  
A turbine blade for a turbine engine having a tip with one or more vortex generators for reducing tip leakage during operation of the turbine engine. The vortex generators may extend radially...
8678764 Tip cap for a turbine rotor blade  
A turbine rotor blade with a spar and shell construction, and a tip cap that includes a row of lugs extending from a bottom side that form dovetail grooves that engage with similar shaped lugs and...
8662854 Turbine with turbulence inducing surface  
The disclosed embodiments relate to turbulence inducing mechanisms applied to portions of wind turbine blades and methods for increased power production using turbulence inducing mechanisms....
8662834 Method for reducing tip rub loading  
A method for reducing tip rub loads in a rotor blade is described having the steps of selecting a location of contact between the rotor blade and a static structure; selecting a location on the...
8657570 Rotor blade with reduced rub loading  
An airfoil for use in a rotor assembly is disclosed, the airfoil having a tip-cutter located on a sidewall near a tip portion, wherein the tip-cutter is capable of removing a portion of an...
8647071 Hollow turbine wheel vane comprising a rib and associated wheel and turbomachine  
A turbine blade extends radially between a blade root and a blade tip having an open cavity referred to as a bathtub formed therein, which cavity is defined by a closed end wall and a side rim....
8636469 Marine propeller with reverse thrust cup  
A marine propeller with reverse thrust cup includes a propeller hub, propeller blades each having a leading blade face and a trailing blade face provided on the propeller hub and a reverse thrust...
8632311 Flared tip turbine blade  
A turbine blade includes an airfoil terminating in a tip. The tip includes a first rib conforming with a concave pressure side of the airfoil, and a second rib conforming with a convex suction...
8628302 Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor  
An impeller comprising: a top shroud; a bottom shroud, a plurality of vanes extending from the top shroud to the bottom shroud, each said vane including a top edge at a radially inner portion of...
8616847 Abrasive coated preform for a turbine blade tip  
A squealer tip preform having a coating including an abrasive is disclosed. The squealer tip may be separately formed from a generally elongated blade to which the squealer tip preform is...
8608448 Shroudless blade  
A shroudless blade for use in a compressor or fan of an axial flow gas turbine engine includes a treatment to the tips of the blades to improve the surge margin of the compressor. A series of...
8591195 Turbine blade with pressure side stiffening rib  
A turbine blade adapted for mounting to a turbine rotor includes a root portion, and an airfoil portion extending outward from the root portion and defining a blade tip at an outermost end...
8585371 Wingtip device for the tip of a wing, blade of a wind generator or marine generator for reducing or even eliminating marginal swirl  
A wing-tip device for the tip of a wing, or a blade of a wind generator, or a blade of a marine generator that makes it possible to reduce or even cancel what are known as wing-tip vortices. In...
8573946 Compressor blade  
A blade for a compressor having a pressure surface and a suction surface. The suction surface includes a discontinuity in the chord-wise curvature of an intermediate portion of the suction surface...
8556579 Composite aerofoil blade with wear-resistant tip  
The present invention relates to a reinforcing tip cap for an aerofoil blade. The tip cap comprises a body for attaching to the tip of an aerofoil blade and a plurality of abrading elements fixed...
8540487 Actuatable seal for aerofoil blade tip  
The present invention relates to an actuatable seal (14) for an aerofoil blade tip, for providing a seal between the blade tip (12) and an adjacent surface (10) over which the blade tip passes in...
8535008 Turbine and compressor employing tubercle leading edge rotor design  
A turbine/compressor comprises at least one magneto-electric device and a drive train coupled to the magneto-electric device. At least one rotor blade is coupled to the drive train. The rotor...
8523515 Noise reducer for rotor blade in wind turbine  
A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing...
8517682 Wind turbine blade  
A wind turbine blade having a suction side and a pressure side, which sides are connected at a leading edge and a trailing edge, wherein one or more shape modifiable air foil sections are defined...
8512004 Propeller fan  
A propeller fan has a gap between a bellmouth and each blade tip. A leakage flow is thus produced from a positive pressure surface of a blade toward a negative pressure surface of the blade via...
8512003 Tip ramp turbine blade  
A turbine blade includes first and second tip ribs extending from a tip floor to define a tip cavity. An exit ramp bridges the ribs and rises in elevation aft from the floor.

Matches 1 - 50 out of 437 1 2 3 4 5 6 7 8 9 >