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7934908 Impeller manufacturing method and impeller  
The present invention provides a manufacturing method for an impeller with which molding and high-quality finishing can be performed extremely easily and quickly through resin molding using a die,...
7927071 Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces  
Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces and wide tip ends for ceiling fans with blades formed from plastic and/or wood and/or separately attached...
7914597 Dust collector  
A dust collector includes turbofans with inducers fixed to the shafts of electric motors. The electric motors are fixed to the rectangular body with mounting legs. The dust collector further...
7901188 Wind turbine blade  
A wind turbine blade transversely subdivided into two or more separate modules (1-2) consisting of outer aerodynamic walls or hulls (4) and a longitudinal inner reinforcing structure (3). The...
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.
7866828 Projection type image display apparatus  
An image display apparatus has a first exhaust fan (13) for mainly exhausting air from a light source unit (9) and discharging the air to the outside of the image display apparatus and a second...
7861604 Turbine water meter having spinner blades with semi-parabolic edges and mechanical reinforcing elements  
A turbine water meter includes plural spinner blades rotatably mounted in a chamber. The respective blades have cross-sections with semi-parabolic edges, with each blade having respective elements...
7862302 Fluid circulation system  
A fluid circulation system wherein circulation is caused within a body by establishing a ring vortex within the fluid caused by an impeller designed in accordance with the Golden Section or Phi...
7857595 Molded reinforced shear web cores  
A method of producing a shear web for a wind turbine blade includes providing a mold generally conforming to a shape of at least a portion of a shear web; and filling the mold with a closed cell...
7854593 Airfoil for a helicopter rotor blade  
An airfoil family for a helicopter rotor blade, designated SC362XX. SC362XX essentially removes the large lower surface suction peak associated with ‘drag creep’ at moderate lift coefficients...
7854595 Wind turbine blade tip shapes  
A blade for a wind turbine includes a chord of length “c” positioned with a leading edge tip chord angle and trailing edge tip chord angle of between approximately 45 and 75 degrees; a tip having...
7837523 Water-jet pump, impeller for the same, and boat including the same  
A water-jet pump includes a cylindrical housing and an impeller. The impeller is disposed in the cylindrical housing and is configured to be rotated in a rotating direction. The impeller includes...
7832985 Rotor blade and wind energy plant  
The present invention is related to a rotor blade for a wind energy plant, with a blade root, with a first longitudinal portion starting from the blade root, with a second longitudinal portion,...
7824154 Motor having heat-dissipating structure for circuit component and fan unit including the motor  
An impeller includes an impeller cup and a plurality of blades. The impeller cup is hollow and generally cylindrical and has a lid. A housing is formed to enclose the impeller from the outside...
7806661 Propeller  
A propeller attached to an output shaft of a boat motor is provided. The propeller may have a plurality of blades which define a leading edge. The leading edge may define leading edge angles which...
7806652 Turbine engine variable stator vane  
A turbine engine variable stator vane includes a platform having a circumference adjoining opposing surfaces. A trunnion extends from one of the opposing surfaces. An airfoil is supported on the...
7798780 Modularly constructed rotorblade and method for construction  
Disclosed is a modularly constructed rotorblade including a leading and a trailing edge, including a plurality of rotorblade sections in bonded association, and at least one bonding line disposed...
7794210 Turbomachine blade  
A turbomachine blade comprising a root portion and an aerofoil portion, the aerofoil portion having a leading edge, a trailing edge, a concave metal wall portion extending from the leading edge to...
7794209 Rotor blade for a wind turbine  
A rotor blade of a wind power installation in which the rotor blade, in particular in the central region of the rotor, the so-called main board, has a lift-drag ratio which in the region of about...
7789629 Non-fouling kinetic hydro power system axial-flow blade tip treatment  
This relates to a modified turbine blade tip design using a fairing shaped design that increases the tip area efficiency of a kinetic hydropower turbine rotor blade while having a non-fouling...
7784180 Method and blade repair element for blisk repair or new blisk manufacture  
In the repair of a blisk or blisk drum, the damaged airfoils are completely cut off a low-stress nodal line of the respective blade, except for a blade stump (2), and are each replaced by a new...
7785074 Rotor blade for a second stage of a compressor  
A blade of a rotor of a second stage of a compressor can be defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z), where the axis (Z) is a radial...
7780410 Method and apparatus for gas turbine engines  
A method of assembling a gas turbine engine includes providing at least one blade assembly. The method also includes forming at least one blade tip fuse within at least a portion of the at least...
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),...
7762783 Turbine blade apparatus  
A gas turbine airfoil is disclosed. The gas turbine airfoil includes a root section, a separate extension section attached to the root section, and a joint disposed between the root section and...
7748601 Brazed articles, braze assemblies and methods therefor utilizing gold/copper/nickel brazing alloys  
A brazing assembly includes a tungsten/carbide/cobalt substrate (e.g., wear pad), a second substrate including titanium or titanium alloy (e.g., a midspan shroud of a fan or compressor blade) and...
7744346 Leading edge configuration for compressor blades of gas turbine engines  
In a supersonic area, on a leading edge (2) of a compressor blade (1) for a gas turbine engine, a replaceable, longitudinally elastically deformable leading edge rail (7) with slender tip (11) and...
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...
7722329 Airfoil for a third stage nozzle guide vane  
The present invention provides an airfoil for a third stage nozzle guide vane having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip...
7722330 Rotating apparatus disk  
A method (20) of fabricating a large component such as a gas turbine or compressor disk (32) from segregation-prone materials such as Alloy 706 or Alloy 718 when the size of the ingot required is...
7708257 Apparatus for treating solids  
Apparatus for treating solids, in particular mixing, pelletizing or drying, includes a vessel receiving a solid product, and a driveshaft which is arranged in the vessel. Disposed in fixed...
7690112 Process and apparatus for producing a turbine component, turbine component and use of the apparatus  
Process and apparatus for producing a turbine component, turbine component and use of the apparatus Turbine components have to withstand high thermal and mechanical loads. It therefore proves...
7686567 Airfoil embodying mixed loading conventions  
A high-lift airfoil embodying a combination of loading conventions in a single design specifically to reduce and control total pressure losses that occur in the flow channels between airfoils...
7665967 Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces  
Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces and wide tip ends for ceiling fans with blades formed from plastic and/or wood and/or separately attached...
7645126 Vacuum pump and semiconductor manufacturing apparatus  
To provide a vacuum pump capable of evacuating in pressure ranges from an atmospheric pressure to a high vacuum, capable of rotating at a high speed to be downsized and improved in pumping...
7637010 Methods for machining turbine engine components  
A method for machining a blank includes machining a first pocket in the blank having a first sidewall, machining a second pocket in the blank, machining a groove within material located between...
7600976 Rotor blade twist distribution for a high speed rotary-wing aircraft  
Main rotor blades of the dual, counter-rotating, rigid coaxial rotor system exhibit a unique unconventional combination of positive and negative twist gradients in which the rotor system rotor...
7600975 Turbine and rotor therefor  
A rotor that consists of a central hub or shaft and a plurality of boot shaped integral blade/vane units that combine a pronounced elongated vane tip extending substantially toward the incoming...
7600977 Turbine blade tip cap  
A method of manufacturing a turbine blade includes (a) supporting a turbine blade internal core support at opposite ends such that radially inner and outer ends of the turbine blade remain open...
7587818 Repair of gas turbine blade tip without recoating the repaired blade tip  
A damaged gas turbine blade which has previously been in service, and which is made of a base metal, is furnished. Any damaged material is removed from the damaged blade tip. The damaged blade tip...
7559747 Turbine exhaust strut airfoil profile  
A turbine exhaust thin strut includes an airfoil section having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set...
7559746 LP turbine blade airfoil profile  
A single stage low 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...
7547193 Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft  
A main rotor blade assembly with a high negative pitching moment airfoil section having a pitching moment coefficient beyond (more negative than) −0.035 at Mach Numbers below 0.80 and a blade...
7547187 Axial turbine  
An axial turbine includes a plurality of stages, each of the plurality of stages having stationary blades adjacent to each other along the turbine circumferential direction and corresponding...
7537434 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 a TABLE 1. Wherein X and Y are distances in inches which,...
7530793 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 a TABLE 1. Wherein X and Y are distances in inches which,...
7530792 Component of variable thickness having residual compressive stresses therein, and method therefor  
A method of reducing crack propagation includes: providing a metallic component having an exterior surface, and using a burnishing element to apply a varying to the exterior surface within a...
7524162 Rotor for a rotating machine, in particular a steam turbine  
A rotor for a rotating machine, in particular a steam turbine includes at least one subregion composed of a metal structure having a reduced density and including a multiplicity of finely...
7520728 HP turbine vane airfoil profile  
A two-stage high pressure turbine comprises a second stage vane having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate...
7520726 HP turbine blade airfoil profile  
A first stage blade of a two-stage high pressure turbine includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...