Fluid reaction surfaces (i.e., impellers) inventions 10/06

20060239817 - Ram air turbine blade disengagement mechanism for over-speed prevention: An improved ram air turbine (RAT) prevents release of its turbine blades due an over-speed condition by detecting an over-speed condition with a trigger mechanism and rotating the blades to a fixed coarse pitch position with a release mechanism....

20060239818 - System for monitoring damage to a rotor blade of a rotary-wing aircraft: The present invention relates to a rotary-wing aircraft rotor blade (23) that presents a longitudinal axis (26) and that includes (semi)conductive loops (10) extending along axes (19, 19A to 19C, 19W to 19Z) or directions that are oblique relative to the longitudinal axis (26)....

20060239819 - Airfoil trailing edge cooling: A turbine airfoil includes a span wise extending cavity formed from a ceramic mold and a slot extending from the cooling air cavity to a trailing edge being formed by a refractory metal core. The refractory metal core facilitates the reduction in the size of the slot and also in...

20060239820 - Member having internal cooling passage: Provided is a member having an internal cooling passage 7c formed therein and having opposed partition walls 6b, 6c between which a medium flows to cool a parent material, including a first heat transfer rib 25a which extends from almost the center between the opposed partition walls 6b, 6c to...

20060239821 - Windmill blade shaping and mounting to enhance performance: A method of mounting windmill blades their enhance performance is disclosed. The blades have a transverse cross-sectional shape having a predominately flat chord section and are mounted such that the chord section lies in a plane that is substantially at 90 degrees to the axis of the shaft upon which...

20060239822 - Apparatus and method for anchoring a rotor blade in a rotor of a turbo machine: A rotor of a turbo machine having a rotor base and a plurality of rotor blades. Each rotor blade is anchored in an axial groove of the rotor base body via the blade footing and the rotor blades are secured in the rotor base body by locking plates which are...

20060239823 - Method and blade repair element for blisk repair or blisk new manufacture: In the repair of a blisk or blisk drum, the damaged airfoils are completely cut off at the same low-stress nodal line peculiar to the respective blade type, except for a blade stump (2), and are each replaced by a new blade repair element (3) of a same shape and...

20060239824 - Proprotor blade with leading edge slot: A proprotor blade (27a, 27b, 127a, 127b) having a fixed, spanwise, leading edge slot (215) located in at least the inboard portion of the proprotor is disclosed. The slot (215) is formed by a selectively shaped slat (217) disposed in a selectively shaped recessed area (219) located at the leading...

20060239825 - Bi-cast blade ring for multi-alloy turbine rotor: A method for bi-casting a turbine rotor may include applying an oxidation resistant coating to individually cast rotor blades, and bi-casting the coated blades into a dual alloy blade ring, wherein the oxidation resistant coating prevents formation of an oxide scale on the surface of the rotor blades during bi-casting...

20060239826 - Fan with enhanced operational versatility: An electric fan with more than one operational configuration is disclosed, comprising a fan unit, a first support element and a second support element. In one operational configuration, the fan unit rests on top of the first support element and generates a horizontally oscillating airflow. In another configuration, the fan...

20060233644 - Stator turbine vane with improved cooling: In a turbomachine stator vane having a leading edge, a trailing edge, and pressure side and suction side faces, and including a perforated open liner defining an annular cavity between an outside wall of the liner and an inside wall of the vane, an air admission opening for feeding cooling...

20060233645 - Wind energy installation comprising conductor rails: The invention concerns a wind-power system for generating alternating current with a tower built from several tower segments, with a generator arranged in the region of the tower head, with a power module, and with current-carrying means for carrying the generated power from the tower head. In order to enable...

20060233646 - Fan wheel: A fan wheel comprises a hub and a plurality of blades extending radially outwardly from the hub. A ring is arranged in coaxial relationship with the hub and radially between the hub and the outside periphery of the fan wheel. The ring has a plurality of defined fixing positions distributed...

20060233647 - Slotted bladeless turbine disc: A slotted bladeless turbine disc stamped or otherwise formed from a single solid sheet of material with slots formed in the disc to redirect fluid passing through it is disclosed and illustrated in FIG. 1 and FIG. 2. The form of the slots is curved, slanted and aligned at an...

20060228214 - System and method of determining centrifugal turbomachinery remaining life: A centrifugal turbomachine includes an impeller and a speed sensor arranged to detect a speed associated with an impeller speed. A temperature sensor is arranged to detect a temperature associated with an impeller exit temperature. A controls system has impeller parameters, which includes the impeller speed and exit temperature. A...

20060228215 - Stress relief grooves for francis turbine runner blades: There is disclosed a runner for a Francis-type hydraulic turbine where each runner blade has an outlet edge with two stress relieving grooves cut through the blade from the outlet edge adjacent the crown and the band. The grooves each present an opening across the outlet edge and the grooves...

20060228216 - Rotor for a compressor: A rotor (20) for a compressor, in particular in a gas turbine, has a number of rotor blades (25) which are arranged around the rotation axis of the rotor (20) in the form of a rim and are each held in a circumferential recess (21) on the rotor (20) by...

20060228217 - Steam turbine rotors: A steam turbine rotor has at least a first stage and a last stage. The rotor is optimised for operation in a wet steam environment at steam temperatures of less than 300° C. by being made more resistant to stress corrosion cracking (SCC). The yield strength of the rotor varies...

20060228218 - Adapter: An adapter is provided for mounting a wind turbine on the upper end of a wind turbine tower even though the yaw plate of the wind turbine is not complementary in shape to the upper end of the wind turbine tower....

20060228219 - Repaired spline and seal teeth on mated components: Repaired spline and seal teeth of a mated component are disclosed. The splines are repaired by using a low energy input weld to deposit a repair material on the non-worn, non-pressure face of the splines while minimizing the HAZ grain size. The splined area of the component is remachined to...

20060228220 - Method for mounting a rotor blade of a wind power installation without using a crane: It has already long been known to use mobile cranes for mounting rotor blades to a wind power installation. Such cranes pick up the rotor blade at the base of the wind power installation and take it to the rotor blade connection of the hub of the wind power installation...

20060222492 - Coolable layer system: Even a layer system, provided with a protective coating and used in a hot gas atmosphere needs to be cooled. However, said cooling is often insufficient, as far as cooling pipes are arranged relatively far from the external surface of said layer system. In order to solve the problem, the...

20060222493 - Turbine blade cooling system having multiple serpentine trailing edge cooling channels: A cooling system for a turbine blade of a turbine engine having multiple serpentine trailing edge cooling channels in parallel. The serpentine cooling channels are positioned proximate to a trailing edge of the turbine blade and facilitate increased heat removal with less cooling fluid flow, thereby resulting in increased cooling...

20060222495 - Turbine blade cooling system with bifurcated mid-chord cooling chamber: A cooling system for a turbine blade of a turbine engine having a bifurcated mid-chord cooling chamber for reducing the temperature of the blade. The bifurcated mid-chord cooling chamber may be formed from a pressure side serpentine cooling channel and a suction side serpentine cooling channel. The pressure side and...

20060222494 - Turbine blade leading edge cooling system: A cooling system for a turbine blade of a turbine engine having a leading edge impingement cooling channel in series with one or more pressure and suction side impingement cooling channels. The turbine blade may include a double outer wall with impingement cooling channels positioned between the walls. The impingement...

20060222496 - Turbine nozzle with trailing edge convection and film cooling: An airfoil for a gas turbine engine has opposed pressure and suction sidewalls extending between a leading edge and a trailing edge. The airfoil includes an array of radially-spaced apart longitudinally-extending lands which define a plurality of trailing edge slots therebetween. Each of the trailing edge slots has an inlet...

20060222497 - Turbine nozzle with trailing edge convection and film cooling: A hollow cooled airfoil includes an array of radially-spaced apart, longitudinally-extending partitions defining a plurality of cooling channels therebetween. A plurality of aft pins are disposed in at least one of the cooling channels. Elongated turbulators are disposed in at least one of the cooling channels, and are oriented at...

20060222498 - Impeller for centrifugal blower: An impeller 10 for a centrifugal blower 3 is of a closed type and comprises a first molded part 18 and a second molded part 20. The first part is formed by integrally molding a side plate 14, vanes 16, and a circular base 26 having a smaller area than...

20060222499 - Spigot arrangement for a split impeller: A spigot arrangement for split impeller (inducer and exducer) includes a recess of the exducer and means for reducing exducer blade root stresses and localized contact stresses between inducer and exducer....

20060222500 - Radial blade wheel: The present invention relates to a radial blade wheel (1) with blades (3), a first wall (2) connected with the blades and having an opening (4) for enabling a flow through the wall (2) to the blades (3), and a second wall (5) connected with the blades (3), by which...

20060222501 - Steam turbine blade, steam turbine rotor, steam turbine with those blades and rotors, and power plant with the turbines: A steam turbine blade in which the turbine blade has a blade root of the axially-inserted fir tree type and a larger number of turbine blades can be attached in a restricted outer peripheral region of a turbine rotor by arranging the blade root to be oriented in a direction...

20060222502 - Locking spacer assembly for a turbine engine: A locking spacer assembly for filling a void between adjacent components in a turbine engine. In at least one embodiment, the locking spacer assembly may be configured to be inserted between adjacent turbine blades in a disc groove in a turbine blade stage assembly. The locking spacer assembly may be...

20060222503 - Compressor and turbine wheel for a secondary air feed device: In a compressor and turbine wheel for a secondary air feed device formed as a single component, a rotor which includes a center disc structure consisting of at least two discs of different materials is provided at one side with compressor blades and on the opposite side with turbine blades,...

20060222504 - 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 distributed cavities....

20060222505 - Rotor system vibration absorber: A rotor system vibration absorber for use with a helicopter of other rotocraft is disclosed in which spring forces are provided by a plurality of elongated rods (73) arranged in a selected pattern. The rods are coupled at one end to a fixed base (79) that is coupled to a...