Match Document Document Title
8277192 Turbine blade  
An airfoil profile is formed such that a passage width ratio, represented in a dimensionless manner, of an inter-blade passage width of vane root cross-section to an outlet throat width...
8277187 Radial compressor rotor  
A radial compressor rotor is provided for stabilizing the flow behavior of a delivery gas, consisting of a wheel disc and blades arranged uniformly in the circumferential direction, wherein the...
8268030 Wind energy use  
The invention provides wind energy use. One application provides wind energy use for water harvesting from natural humid air. The method is based on changing thermodynamic state parameters of...
8267643 Pump with cutting impeller and pre-cutter  
A pump includes a cutting impeller (38) and a pre-chopper (50) driven by a shaft portion (46) that projects axially from the cutting impeller (38), with the pre-chopper (50) being surrounded by an...
8257046 Turbine rotor blade, turbine rotor and steam turbine equipped with the same  
A turbine rotor blade according to the present invention includes a cover provided at the top of an effective blade portion and a blade-fitting portion provided at the bottom of the effective...
8257045 Platforms with curved side edges and gas turbine engine systems involving such platforms  
Platforms with curved side edges and gas turbine engine systems involving such platforms are provided. In this regard, a representative airfoil assembly for a gas turbine engine includes: a...
8251663 Impeller for a pump unit and associated pump unit  
An impeller is provided for a pump unit, in particular for a waste water pump unit, having two cover plates (2, 4), which are spaced apart from one another in the axial direction (X) and are...
8245400 Blade module, a modular rotor blade and a method for assembling a modular rotor blade  
A method for assembling a modular wind turbine rotor blade, includes aligning a first blade module and a second blade module such that a first receptacle of the first blade module and a second...
8241000 Wind turbine rotor blade and airfoil section  
The present invention includes a set of airfoils, U rails and V rails taken together to describe a blade for use with a horizontal axis wind turbine. The blade's design includes a maximum...
8231351 Adaptive rotor blade for a wind turbine  
A rotor blade for a wind turbine is provided, the rotor blade having a first module of a first type and a second module of a second type, each module having a distal end and a proximal end,...
8226369 Conical helicoid wind turbine  
The present invention discloses an article of manufacture comprising a conical helicoid wind turbine. The conical helicoid is configured such that its apex faces toward the on-coming wind which...
8221514 Ecologically clean method and apparatus for water harvesting from air  
The invention provides an ecologically clean method and apparatus for water harvesting from air. The method is based on changing of thermodynamic state properties of air wind getting a rotation...
8215916 Axial flow fan  
The axial flow fan includes a plurality of blades disposed around and rotating together with the rotation shaft, the blades each including a leading edge, a trailing edge, a leading edge portion...
8210818 Helicopter antitorque tail rotor blade  
A blade for an antitorque tail rotor of a helicopter, having a leading edge and a trailing edge opposite each other and elongated along a longitudinal axis of the blade; the trailing edge, in use,...
8210822 Dovetail for steam turbine rotating blade and rotor wheel  
A dovetail for a steam turbine rotating blade and rotor wheel is provided. The dovetail design comprises a rotating blade curved axial entry dovetail having a four hook profile and a rotor wheel...
8206107 Variable length wind turbine blade having transition area elements  
A wind turbine blade having a longitudinal axis is provided. The wind turbine blade includes a root portion and a tip portion. The root portion has a supported end and an unsupported end. The tip...
8206084 Blade wheel  
A blade wheel consisting of sheet metal for use in motor vehicle refrigerant pumps has blades that are cut out of a disk and pitched and base disk segments that lie adjacent to the blades and...
8198747 Blade for windmill, windmill and wind power generator  
A blade for a windmill disposed around a rotation center (M) in a vertical direction so as to receive wind force, comprising a front surface (26) including; a front nose surface (26F) being...
8192163 Wiper for wind turbine blades  
The present patent application concerns an apparatus for cleaning an outer surface of a rotor blade of a wind turbine, the apparatus comprising a first frame and a cleaning device, the cleaning...
8192154 Shape of gas passage in axial-flow gas turbine engine  
An axial-flow gas turbine engine includes a plurality of inlet guide vanes (V) which are radially disposed in an annular gas passage defined between an inner peripheral wall (Ch) and an outer...
8186957 Fan propeller, in particular for motor vehicles  
The fan impeller (10) comprises a hub (14) and blades (12) extending radially outward from the hub, the blades having a flattened airfoil profile cross section with a leading edge (24) and a...
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...
8182213 Vane assembly with removable vanes  
A vane assembly for a gas turbine engine where each vane is connected to at least one adjacent portion of at least one of the inner and the outer shrouds through a melt-weld connection. The...
8182231 Wind turbine with slender blade  
Wind turbine with a rotor blade relatively insensitive to turbulence because it is more slender than prior blades and is nevertheless able to generate sufficient lift by virtue of the fact that...
8177499 Turbine blade cascade end wall  
In the turbine blades set to a large outflow angle, the performance of the entire turbine is improved by reducing a cross flow generated on the turbine end wall and a whirling up of flow on the...
8172540 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...
8172539 Wind turbine rotor blade joint  
A blade joint for joining a first blade segment and a second blade segment, each having an aerodynamic profile, in a rotor blade is disclosed. The blade joint includes a first joint segment and a...
8171633 Method for assembling a multi-segment wind turbine blade  
A multi segment wind turbine blade comprises at least two blade segments. A first blade segment comprises an outer skin, a bulkhead, and first alignment brackets removably coupled to the outer...
8171632 Method of manufacturing integrally designed rotor wheels to exhibit an essentially identical natural frequency and mass using chemical etch machining  
In the manufacture of integrally designed rotor wheels (BLISKs), the natural frequency of each blade is measured after forming by conventional shaping methods and the respective blade mass and its...
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...
8162617 Turbine blade with spar and shell  
A turbine blade with a spar and shell construction in which the spar and the shell are both secured within two platform halves. The spar and the shell each include outward extending ledges on the...
8157518 Low camber microfan  
A cooling fan comprises an impeller which includes a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the...
8157529 Blade structure of torque converter and method for producing blade structure of torque converter  
A blade structure of a torque converter, having a plurality of blades, is produced according to processes. The processes has (a) stamping a plane plate into a first shape, the first shape has (i)...
8152495 Peripheral discharge tube axial fan  
A mixed flow fan assembly includes an electric motor, an impeller having a hub enclosing the motor, and a plurality of fan blades spaced circumferentially around the hub. The fan assembly also...
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...
8152472 Blade structure for heat sink fans  
A fan blade for heat sink fans is provided. The fan blade includes a wheel hub and a plurality of blades which is disposed around the rim of the wheel hub. The surfaces of the blade fans are...
8147197 Turbine blade platform  
A turbine blade assembly is provided. The turbine blade assembly comprises a turbine blade comprising a cavity, and a blade platform supporting the turbine blade, the cavity extending into the...
8147207 Compressor blade having a ratio of leading edge sweep to leading edge dihedral in a range of 1:1 to 3:1 along the radially outer portion  
An airfoil for use as rotor blades in compressors for turbomachines, such as gas turbine engines. The airfoil includes increased forward sweep and forward dihedral effective to reduce losses...
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...
8142162 Wind turbine blade  
An aerodynamic profile and a wind turbine comprising a wind turbine blade with reduced sensitivity towards surface irregularities are provided. The invention is mainly directed towards...
8137070 Skewed axial fan assembly  
A free-tipped axial fan assembly has a skew distribution which reduces fan noise while minimizing radial tip deflection. The difference between the maximum value of leading-edge skew and the value...
8133023 Wind turbine with variable area propeller blades  
An apparatus and method for reducing wind turbine damage includes a propeller having a plurality of blades projecting radially from a hub. The blades may be adjustably combined to form variable...
8133028 Cooling fan structure  
A cooling fan structure includes a driving device having a rotatable section disposed therein for providing a rotatable effect. The rotatable section has a first end longitudinally extending to a...
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...
8128367 Rotor blade for a bearingless rotor of a rotorcraft  
A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade...
8128359 Air fan module and a flow directing blade assembly thereof  
An air fan module and a flow directing blade assembly thereof aim to reduce noises generated during operation of the air fan caused by friction between blades and air and improve cooling...
8128370 Blade structure for torque converter and process of producing the same  
A blade structure for a torque converter is produced as follows. A flat sheet is stamped into a shape including: a holding section; an inner connecting section located around the holding section,...
8118556 Compressor wheel for a turbocharger system  
A turbocharger system for an internal combustion engine includes at least one compressor wheel. The at least one compressor wheel of a single stage or multiple stage turbocharger system is formed,...
8118561 Erosion- and impact-resistant coatings  
Erosion- and impact-resistant ceramic coatings suitable for protecting surfaces subjected to collisions with particles, including nominally round particles that typically inflict impact damage and...
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...