Fluid reaction surfaces (i.e., impellers) inventions 06/06

20060140760 - Active flow modifications on wind turbine blades: A wind turbine blade is situated on a wind turbine and includes a side and a tip. The blade is configured to rotate about an axis upon an impact of a wind flow on the blade. An active flow modification device is disposed on the blade. The active flow modification...

20060140761 - Methods and apparatuses for wind turbine fatigue load measurement and assessment: Techniques and apparatuses for wind turbine component fatigue load measurement and assessment are disclosed. In one embodiment the component is a tower, fore-aft and side-to-side signals from a two-axis accelerometer attached to a bedplate of a wind turbine are used to measure tower fatigue loads. A yaw axis azimuth position...

20060140763 - Cooling arrangement: A cooling arrangement 11 is provided in which an incident coolant flow 23 is presented to a passage 14 such that a proportion of that flow is diverted in order to create a standing relative overpressure in a chamber 24 compared to the actual static pressure of the flow 23...

20060140762 - Turbine airfoil cooling passageway: An internally cooled gas turbine engine turbine vane has an outboard shroud and an airfoil extending from an outboard end at the shroud to an inboard end. A cooling passageway has an inlet in the shroud, a first turn at least partially within the airfoil, a first leg extending from...

20060140764 - Wind turbine control having a lidar wind speed measurement apparatus: A wind turbine is provided having a lidar wind speed measurement apparatus for achieving wind control. The lidar apparatus is arranged to scan the area in front of the wind turbine so as to generate a measurement of the wind speed across the wind field. The lidar apparatus may be...

20060140765 - Vertical axis wind engine: The present invention is to provide a vertical axis wind engine comprising at least one arm each having its center rotatably coupled to a vertical axis mounted on a base on the ground, each pair of the upper and lower arms adapted to define an airfoil receiving space for pivotably...

20060140766 - Vane wheel for torque converter and manufacturing method: A vane wheel for torque converter with a plurality of blades formed integrally with a shell in a casting process is disclosed. The blade tilts relative to an axial direction of the vane wheel and has an inner surface located on a positive pressure side thereof and an outer surface...

20060140767 - Free-form welded power system component: The present disclosure is directed to a power system component for a work machine. The power system component may include a wheel having one or more free-form welded members. The wheel may include a front end, a back end, and a central, axial spine member extending from the front end...

20060140768 - Scalloped surface turbine stage: A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Each platform has a scalloped flow surface including a bulge adjoining the pressure side adjacent...

20060140769 - Ceiling fan with retractable fan blades: A ceiling fan with retractable fan blades includes an electric motor operable to spin a rotor with a plurality of fan blades attached thereto. Each of the fan blades is operable to move between a closed position and an open position. A rotatable center ring is included on the rotor...

20060140770 - Fan blade mounting structure for ceiling fan: A fan blade mounting structure for ceiling fan is capable of enabling the fan blade to be quickly and easily mounted on the mounting bracket, and comprises, a plurality of locking members formed on a surface of a mounting bracket, the locking members each has an abutting portion facing toward...

20060140771 - Ceramic composite with integrated compliance/wear layer: The integral layer provides a ductile interface for attachment locations of a turbine engine component where a metallic surface is adjacent the attachment location. The ductile layer provides a favorable load distribution through the composite at the attachment location, and eliminates the need for a metallic shim....

20060140772 - Composite blade: A composite blade (26) comprises a root portion (36) and an aerofoil portion (38). The aerofoil portion (38) has a tip (42), a chord (C), a leading edge (44), a trailing edge (46), a suction surface (48) extending from the leading edge (44) to the trailing edge (46) and a...

20060140773 - Vapour turbine: Vapour turbine operating with geothermal vapours containing corrosive agents or aggressive substances such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades and a series of rotor blades, each stator blade of the series of stator blades comprises a surfacing consisting of a nickel alloy...

20060140774 - Vapour turbine: Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to avoid the washing of the geothermal vapours, maintaining...

20060140775 - Vapour turbine: Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of rotor blades made of a nickel alloy containing a quantity of nickel ranging from 55% to 59% by weight to avoid the washing of the geothermal vapours, maintaining...

20060133933 - Load-receiving arrangement for wind turbine wings: A rotor blade of a wind power plant, comprising a rotor blade connection for connection to a hub of the rotor of a wind power plant and a blade tip disposed at the opposite end of the rotor blade. In order to provide a rotor blade in which flexing can...

20060133934 - Mailable fan: A fan equipped with an unfolded fan blade adapted for mailing without requiring carriage in an envelope or packet. The unfolded fan comprises an unfolded fan blade, a handle attached to the unfolded fan blade, and indicia printed on one side of the unfolded fan blade. The handle is adapted...

20060133935 - Internally cooled gas turbine airfoil and method: An internally cooled airfoil for a gas turbine engine, wherein a plurality of elongated cooling fins are provided inside the concave sidewall between two crossovers....

20060133936 - Internally cooled gas turbine airfoil and method: An internally cooled airfoil for a gas turbine engine, wherein a plurality of elongated cooling fins are provided inside the concave sidewall....

20060133937 - System and method for passive load attenuation in a wind turbine: In accordance with certain embodiments, a wind turbine blade includes an outer skin and an internal support structure. The skin has a closed airfoil shape and includes an outer surface, an inner surface, and opposite sides along a length of the blade. The internal support structure is disposed within the...

20060133938 - Balancing method: A method of balancing a rotor, where the rotor comprises a plurality of holes, comprises the steps of measuring an imbalance of the rotor, identifying at least one characteristic dimension associated with at least one hole, identifying a change to the or each characteristic dimension to reduce the imbalance, and...

20060133939 - Fitting of distributor sectors in an axial compressor: This present invention concerns an axial gas turbine engine compressor which includes a casing and a distributor wheel composed of a multiplicity of sectors in arcs of circles, with radial stator blades fixed to an external platform, characterised by the fact that the said platform is retained in the casing...

20060133940 - Fatigue-resistant components and method therefor: A metallic component, which may be an airfoil, includes at least one treated patch, wherein the entire thickness of the component within the treated patch is in a state of residual compressive stress. A surface-treated area overlaps at least a boundary between the treated patch and the remainder of the...

20060127220 - Fillet energized turbine stage: A turbine stage includes a row of airfoils and their platforms spaced laterally apart to define flow passages therebetween. Each airfoil is integrally joined to its platform at a corresponding arcuate fillet which is larger along the pressure side of the airfoil and smaller along the suction side as it...

20060127221 - Turbine moving blade: A turbine moving blade has a blade portion extending from the basal portion to the tip of the moving blade. The blade root portion is formed at the basal portion of the blade portion and engaged with a corresponding disk groove of a turbine rotor on a one-by-one basis, and...

20060127222 - Method for producing a rotor blade, a corresponding rotor blade and a wind power plant: The invention relates to a process for producing a rotor blade for a wind power system, wherein at least two rotor blade elements are arranged one behind the other in a longitudinal direction of the rotor blade and are glued together via at least one, preferably at least two connecting...

20060127223 - Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner: The invention provides a method for performing abrasion resistant surface treatment on a surface of a rotary member. The abrasion resistant surface treatment method is characterized by including steps of: dividing the surface of the rotary member into a plurality of areas A1, A2 depending on peripheral speed or treatment...

20060115360 - Doppler radar sensing system for monitoring turbine generator components: The invention provides a sensing system and a method for monitoring the damage to turbine components in a turbine generator. The sensing system comprises an electromagnetic wave generator that generates an electromagnetic wave; a transmitter that transmits the generated electromagnetic wave from a first turbine component; a second turbine component...

20060115361 - High efficiency ceiling fan: Ceiling fan energy consumption efficiency is enhanced with fan blades that have an angle attack that decreases from root end to tip end at higher rates of decrease nearer their tip ends than at their root ends....

20060115362 - Reduction in the noise produced by a rotor blade of a wind turbine: Rotor blades for wind power installations are known in many different forms. In a wind power installation the rotors or the rotor blades thereof represent the main source of sound. For reasons relating to acceptance and noise prevention laws, the aim should/must be that of minimizing the levels of sound...

20060115364 - Offshore structure support and foundation for use with a wind turbine and an associated method of assembly: A pile based braced caisson structural support device includes a number of legs in is used to support a wind turbine. The wind turbine includes a base, a turbine generator and a blade mechanism. The legs are configured in a teepee type configuration such that the footprint of the base...

20060115363 - Offshore windmill electric generators: The described invention involves the windmill generation of electric power, particularly from offshore windmill generators. The invention involves inserting an adapter between the nacelle of the windmill and the tower, which includes either a leveling device or a vibration dampening device, or both....