Fluid reaction surfaces (i.e., impellers) inventions 05/06

20060110251 - Wind turbine: A wind turbine, with: a rotatable frame; a plurality of airfoils mounted to the rotatable frame, wherein the airfoils extend parallel to an axis of rotation of the rotatable frame; a wind block positioned to restrict airflow over at least a portion of the rotatable frame; and at least one...

20060110252 - Impeller for axial-flow heat-dissipating fan: An impeller for an axial-flow heat-dissipating fan includes a hub and a plurality of blades symmetrically formed on an outer periphery of the hub and extending in an inclined angle with respect to a longitudinal direction parallel to a rotational axis of the hub. Each blade includes a leading edge,...

20060110253 - Structure of turbine blower: “An improved structure of turbine blower”, is mainly about installing several impellers in the form of a radial arrangement on a round bottom board. The characteristic of the design is that, the height of the impeller starts from the front of the impeller, near the center of the bottom board,...

20060110255 - Controlled leakage pin and vibration damper for active cooling and purge of bucket slash faces: Damper pins are disposed in circumferentially registering grooves of turbine bucket platform slash faces. The pins have a plurality of channels formed about peripheral portions thereof for flowing leakage cooling air from below the platform past the pin and groove into the interplatform gap. The channels may be staggered in...

20060110254 - Thermal barrier coating for turbine bucket platform side faces and methods of application: Grooves are formed along portions of the side edges of a turbine bucket platform and open through the side edges of the surface of the platform exposed to the hot gas path of the turbine. A bond coat is applied to the groove followed by a thermal barrier coating which...

20060110256 - Impeller and method using solid free form fabrication: The present invention relates to the use of solid freeform fabrication (SFF) technology in the manufacture of impeller blades. The impeller blades may be metal plated and further incorporated onto a rigid skeletal frame to allow for more desirable wear resistance and strength....

20060110257 - Ceiling fan blade: The present invention relates to an improvement of a ceiling fan blade, with dimples distributing thereon. When blades rotating, air flowing dimples will generate turbulence that disturbs air deflection angles, causing an increase in wind speed and a decrease in noise level. Therefore, the present invention is new, advanced and...

20060104811 - Device for optimizing and adjustment of steam balance hole area: A hole diameter adjustment device for changing an existing diameter of a hole formed in a component to a smaller desired diameter includes an outer sleeve adapted for insertion within the existing hole, the first outer sleeve having an inner bore including a first tapered portion and an axially aligned...

20060104812 - Mission replaceable rotor blade tip section: A rotor blade includes a removable blade tip section which is mounted to an outboard rotor blade section by mechanically mounting a tip spar to a main blade spar with a spar interface section which bridges a butt joint between the blade spar and the tip spar. The spar interface...

20060104813 - Cooling system for an airfoil: The cooling system for the airfoil includes forward and aft cooling circuits supplied with a cooling medium. Both circuits include serpentine passages. A central rib divides the forward and aft cooling circuits and includes an opening adjacent the airfoil tip providing a jet of the cooling medium from the forward...

20060104814 - Heat transfer arrangement: A heat transfer arrangement comprises a target member (28 or 30), and an impingement member (32). The impingement member (32) defines a fluid path (38 or 40) there through to direct fluid onto the target member. The arrangement includes a fluid directing formation (42) on the impingement member (32). The...

20060104815 - Wind energy installation comprising a concentric gearbox generator arrangement: A wind energy plant comprising a rotor, a rotor shaft, a gear, and a generator, the generator embodied as a ring concentrically embracing the gear....

20060104816 - Running wheel: A wheel (10) comprises a main body (12) and is provided with at least one reinforcing structure (14) which increases the strength of the wheel (10). The reinforcing structure (14) is at least partially integrated inside the main body (12)....

20060104817 - Damping material, damping arrangement and method for designing a damping arrangement: A laminate material for damping a vibrational mode of a structure is provided, the laminate material comprising a viscoelastic layer and a stiff constrained layer adhered to the viscoelastic layer, wherein the viscoelastic layer is elastomer based and the constrained layer is made of steel, galvanized steel or aluminum. Furthermore,...

20060104818 - Blade: With regard to hollow blades for turbine engines, it will be understood there is a problem with respect to percussive impact resulting in excessive distortion of the blade as well as potential failure as a result of blade tip bulging. By provision of ridges 107, 207, 307 which coincide and...

20060104819 - Low-noise fan exit guide vanes: Low-noise fan exit guide vanes are disclosed. According to the present invention a fan exit guide vane has an outer shell substantially shaped as an airfoil and defining an interior cavity. A porous portion of the outer shell allows communication between the fluctuations in the air passing over the guide...

20060104821 - 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...

20060104820 - Reinforced hub for the rotor of a wind energy turbine: The hub for the rotor (22) of a wind energy turbine (10) comprises a hollow body (28) rotatable around a rotation axis and provided with at least one flange (34) for mounting to the hollow body (28) a bearing for a rotor blade (26) and at least two stiffening webs...

20060099073 - Aspherical dimples for heat transfer surfaces and method: A dimple for use on a heat transfer surface exposed to a flowing gas, for use for example in a gas turbine engine, the dimple having an aspherical shape....

20060099074 - Component having a film cooling arrangement: A component such as a turbine blade of a gas turbine engine includes a film cooling arrangement which is optimised by a process in which a component is manufactured having a film cooling arrangement of an initial design and evaluation of the performance of the film cooling arrangement is conducted,...

20060099075 - Wind turbine in parked position: The invention relates to a method for operating a wind power plant with a rotor and with at least two rotor blades rotatable about a common rotor axis in a rotor blade plane, whereof each can be swivelled about a swivel axis which is roughly parallel to its longitudinal axis...

20060099076 - Rotor blade for a wind power plant: The invention concerns a rotor blade of a wind power installation and a wind power installation. One advantage of the present invention is to provide a rotor blade having a rotor blade profile, and a wind power installation, which has better efficiency than hitherto. A rotor blade of a wind...

20060099077 - Wind energy conversion apparatus: A wind energy conversion apparatus comprising a supporting structure is presented. The apparatus further comprises shaft having a first and a second end, which is rotatably journalled in said supporting structure, as well as at least one rotor blade having a first end and a second end, which rotor blade...

20060099078 - Hoop stress relief mechanism for gas turbine engines: A hoop stress relief mechanism is disclosed for use on a rotary body to relieve stress caused by both thermal and centrifugal forces. The mechanism may consist of a J-shaped slot cut from the outer rim of the rotary body a distance inwardly toward the axis of rotation, the slot...

20060099079 - Iron-based sintered alloy, iron base sintered alloy member, method for production thereof, and oil pump rotor: An iron-based sintered alloy member having a composition consisting of 0.5 to 7% by mass of Cu, 0.1 to 0.98% by mass of C, 0.02 to 0.3% by mass of oxygen and, optionally, 0.0025 to 1.05% by mass of Mn and/or 0.001 to 0.7% by mass of Zn, and the...

20060099080 - Methods and apparatus for cooling gas turbine engine components: A method of cooling a gas turbine engine component having a perforate metal wall includes providing a plurality of pores in the wall, wherein the pores extend substantially perpendicularly through the wall, and wherein the pores are covered and sealed closed at first ends thereof by a thermal barrier coating...

20060093480 - Airfoil with three-pass serpentine cooling channel and microcircuit: An airfoil, and in a disclosed embodiment a rotor blade, has a serpentine cooling path. To best account for the Coriolis effect, the paths of the serpentine cooling channel have trapezoidal cross-sections. An area of the rotor blade between a smaller side of the trapezoidal-shaped paths, and a facing wall...

20060093481 - Combination type fan leaves structure: A combination type fan leaves structure comprise a upper fan leaves component and lower leaves component; the leaves of the upper and lower leaves components are interlaced to combine into a high density leaves structure. Therefore, the mold release is easier so as to be contributive to the production of...

20060093482 - Drive device for a windmill provided with two counter-rotating screws: The drive device is provided for inclusion in a windmill with two counter-rotating screws. The shafts of the screws are each connected to a spindle of an epicyclical gearbox, the third spindle providing the energy for the user. The device further comprises a brake device simultaneously acting on the two...

20060093483 - Sky turbine that is mounted on a city: A sky turbine, having impeller blades with a plurality of panels that can telescope inward and outward. The pitch of the panels can be adjusted, and the pitch of each panel on a blade, passing from the innermost panel to the outermost panel, differs from the pitch of the previous...

20060093484 - Cooling system for a platform of a turbine blade: A turbine blade for a turbine engine having a platform cooling system formed from one or more platform cooling channels extending from an inner cooling cavity in a root of a turbine blade to an outer surface of a platform on the turbine blade. The platform cooling channels may be...

20060093485 - Fan wheel assembly for connecting multiple hub rings: A fan wheel assembly includes at least three hub rings and a connecting member. Each outer circumference of the hub rings provides with extension fan blades. The connecting member serially connects the hub rings which are coaxially stacked in a longitudinal direction to constitute the fan wheel assembly. Each extension...

20060093486 - Device for mounting blades on a propeller hub with preloading of the bearings: This device for mounting a propeller blade in a hub, of the type in which a blade base is mounted in rotation in a hub housing by means of at least two bearings and where a preloading device permitting axially preloading the two bearings comprises a holding ring mounted between...