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| Number | Title | Issue Date |
| 8177500 | Intake device and a pump station In a first aspect the invention relates to an intake device (3) for creating a uniform flow of liquid entering a pump (4), which flow of liquid is free from rotation and swirls about the inlet of said pump. The inlet device (3) comprises an inle... | 05/15/2012 |
| 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 suction side of a blade irrespective of the difference of the blade shap... | 05/15/2012 |
| 8118550 | Turbine singlet nozzle assembly with radial stop and narrow groove A nozzle assembly for a turbine including an airfoil, inner and outer sidewalls, and inner and outer rings is provided. The sidewalls and rings are coupled together using a weld and mechanical interconnection, including axial and radial mechanical stops to allow for... | 02/21/2012 |
| 8057169 | Airfoil core shape for a turbine nozzle An article of manufacture includes an object having an airfoil core shape. The airfoil core shape has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in TABLE 1 where X and Y are distances in inches which, when... | 11/15/2011 |
| 7950899 | Modular fan inlet case A modular fan inlet case includes a center ring, an outer ring, and a plurality of struts each coupled at a first end to the center ring, and at a second end to the outer ring. A plurality of shell members are each configured to be removably coupled to a correspondi... | 05/31/2011 |
| 7866945 | Axial flow fan The present invention provides an axial flow fan capable of increasing an air volume and static pressure more than conventional axial flow fans. A plurality of rotary blades 5 are disposed in a circumferential direction of a rotary shaft 8 at equidista... | 01/11/2011 |
| 7517192 | Flow structure for a gas turbine A flow structure is for a gas turbine, e.g., for an aircraft engine, in a transition channel between two compressors or in a transition channel between two turbines or in a transition channel of a turbine outlet housing downstream from a low-pressure turbine, having... | 04/14/2009 |
| 7438523 | Blade for a turbine engine and method for production of said blade A blade for a turbine engine is described, having a base body, made from a titanium alloy, with a first and a second component piece, which are connected in the connection region by means of a bonding process. A groove with a groove wall runs through the connection ... | 10/21/2008 |
| 7410343 | Gas turbine An outer shape of a section in the longitudinal direction at a leading edge of the strut is an aerofoil whose thickness is gradually increased along a flow direction of the combustion gas to prevent reduction of turbine efficiency caused by a shock wave generated at... | 08/12/2008 |
| 7364399 | Wind power plant of cyclone type and method of obtaining energy from such A wind power plant having a tower open at the top and provided with a side inlet for the wind for generating a cyclone in the tower and a substantially horizontal turbine that has inlets through the base and an outlet to the center of the cyclone in the tower and th... | 04/29/2008 |
| 7338521 | Low profile inlet for an implantable blood pump A low profile pump inlet for an implantable blood pump is disclosed. The low profile pump inlet has an inflow diffuser for attachment to a conduit bearing an inflow of a fluid such as blood and an outflow orifice in fluid connection with the diffuser. The outflow or... | 03/04/2008 |
| 7331752 | Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the radially converging trajectories and concentration of the flow energ... | 02/19/2008 |
| 7303372 | Methods and apparatus for cooling combustion turbine engine components A turbine nozzle cooling sub-system is provided. The sub-system includes at least one turbine nozzle segment. The segment includes an arcuate, radially outermost endwall, an arcuate, radially innermost endwall, and at least one airfoil vane. The endwalls each includ... | 12/04/2007 |
| 7287956 | Removable abradable seal carriers for sealing between rotary and stationary turbine components The turbine includes a diaphragm having a seal carrier mounted in opposition to seal teeth carried by the rotary component. The seal carrier includes a seal face having a coating of abradable material enabling the rotary component to abrade the material from the sea... | 10/30/2007 |
| 7281898 | Blowing apparatus for refrigerators Disclosed herein is a blowing apparatus for refrigerators. The blowing apparatus includes a centrifugal fan. The centrifugal fan comprises a hub plate connected to a shaft of the motor, a plurality of blades attached to the hub plate in the radial direction of the h... | 10/16/2007 |
| 7276808 | Tower for a wind power station Disclosed is a tower for a wind power station comprising a machine pod disposed on the tower and a rotor mounted on the machine pod so as to be rotatable about an essentially horizontal axis. Said rotor is provided with at least one blade. The tower is composed of a... | 10/02/2007 |
| 7264443 | Centrifugal water pump A pump includes a housing defining an internal chamber having an axial inlet passage, a generally radial passage with an outlet to a volute. A rotatable impeller, disposed within the chamber, has a conical rear shroud sloping away from the axial inlet to define a re... | 09/04/2007 |
| 7246997 | Integrated high efficiency blower apparatus for HVAC systems An integrated centrifugal blower wheel for a heating, ventilation and air conditioning (HVAC) blower unit includes a first blade support, a second blade support, and a plurality of S-shaped blades disposed between the first and second blade supports, wherein each of... | 07/24/2007 |
| 7244104 | Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine engine A deflector arrangement is provided for improving turbine efficiency by imparting added tangential velocity to a leakage flow entering the working fluid flowpath of a gas turbine engine. ... | 07/17/2007 |
| 7229243 | Compressor A compressor for compressing a gas comprises an impeller wheel (1) mounted within a housing (2) defining an inlet and an outlet (6). The inlet comprises an outer tubular wall (7) extending away from the impeller wheel in an upstream direc... | 06/12/2007 |
| 7229248 | Blade structure in a gas turbine In the blade structure in a gas turbine, front-edge including angles are made large. As a result, a curve of a relative relationship between incidence angles ic1 and is1 and pressure loss becomes mild. Entrance metal angles are made small. As a result,... | 06/12/2007 |
| 7220100 | Crescentic ramp 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 includes a cr... | 05/22/2007 |
| 7192272 | Convection oven with laminar airflow and method A convection oven with laminar airflow and/or moisture injection. A radial airflow fan is used to provide a circulating airflow that is substantially even and substantially turbulence free. The circulating airflow is provided to an oven chamber via a plurality of eg... | 03/20/2007 |
| 7144216 | Wind turbine with outer noise shell For reduction of the noise radiation of a wind turbine with a tower (1) having an outside (8), a noise shell (4) is provided, which at least partially surrounds the outside (8) of the tower (1) and is positioned at a distance from ... | 12/05/2006 |
| 7101149 | Axial fan for computer The axial fan for a computer comprises a rotatable fan blade unit and a motor unit. The fan blade unit comprises a fan head and a plurality of fan blades arranged radially thereto. The motor unit is held by supports passing through the airflow. The supports have a d... | 09/05/2006 |
| 7095597 | Distributed static var compensation (DSVC) system for wind and water turbine applications A power generating system wherein a variable speed turbine is mounted on top of a tower or tethered underwater. The reactive component of turbine generated electrical power is corrected automatically through electronic switched power-factor capacitor banks that are ... | 08/22/2006 |
| 7083381 | Hydrokinetic torque converter stator blade construction A stator blade for a hydrokinetic torque converter, the blade profile having geometric characteristics that improve torque flow efficiency in the converter torque flow circuit, whereby the torque converter efficiency at high speed ratios is improved without signific... | 08/01/2006 |
| 7080516 | Gas diffusion arrangement A gas diffusion arrangement (22) for a gas turbine engine (10) is disclosed. The gas diffusion arrangement (22) has an inlet (26) and an outlet (28) for the gas, and comprises diffusion means (32) having an upstream region (... | 07/25/2006 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 7048035 | Casing for a heat exchange system A casing for a heat exchange system defines a blower compartment (18), an evaporator compartment (20), and a diffuser (22). The diffuser (22) defines an exit (28) and an entry area in a cutoff plane (30). A vane wall (38 | 05/23/2006 |
| 7035718 | Method and System for detecting and reducing draft tube pressure fluctuations A method and system to reduce vibration in a turbine-generator including measuring a magnitude of radial vibration of a turbine shaft with at least one vibration sensor configured to generate a vibration signal indicative of vibration frequency; measuring a generato... | 04/25/2006 |
| 7024744 | Frequency-tuned compressor stator blade and related method A method of tuning a compressor stator blade having a base portion and an airfoil portion to achieve a desired natural frequency, includes a) identifying the natural frequency of the compressor stator blade; b) determining a different target natural frequency for th... | 04/11/2006 |
| 7008183 | Deflector embedded impingement baffle An impingement baffle includes a perforate plate having a pattern of impingement holes. An imperforate deflector is spaced from the plate and is smaller than the plate for deflecting inlet air around the deflector to the holes. The baffle is disposed between a turbi... | 03/07/2006 |
| 7008189 | Centrifugal fan A centrifugal fan and a rotor for a centrifugal fan comprising axial blades, straight blades, and a hub having a radius that increases as a function of distance from the fan inlet. ... | 03/07/2006 |
| 7001143 | Cambered vane for use in turbochargers Improved cambered vanes comprise an inner airfoil surface oriented adjacent a turbine wheel, and an outer airfoil surface oriented opposite the inner airfoil surface. The inner and outer airfoil surfaces define a vane airfoil thickness. A cambered vane leading edge ... | 02/21/2006 |
| 6997682 | Cool air circulation type axial flow fan for refrigerator Disclosed herein is a cool air circulation type axial flow fan for a refrigerator. The fan comprises a plurality of spaced blades mounted on the outer circumference of a hub for blowing cool air to a freezing chamber and a chilling chamber of the refrigerator. Sever... | 02/14/2006 |
| 6995979 | Heat-dissipating fan module of electronic apparatus A heat-dissipating fan module of an electronic apparatus is disclosed. The heat-dissipating fan module includes a casing having an opening, the opening having a guiding device along an edge thereof, and a heat-dissipating fan fixed to one side of the casing and corr... | 02/07/2006 |
| 6984108 | Compressor stator vane A vane unit system having a plurality of vane units having at least one air foil projecting from a base. The base has a hole which receives a pin which extends between adjacent bases of vane units therein forming a rigid ring of vanes that are less susceptible to va... | 01/10/2006 |
| 6979173 | Turbine blade or vane A turbine blade or vane includes an inner contour profile which is matched to the contour profile of the outer transition region, so that a substantially uniform blade or vane wall thickness is achieved. ... | 12/27/2005 |
| 6969232 | Flow directing device A flow directing device of a gas turbine engine, comprising: an airfoil having a leading edge, trailing edge, suction side and pressure side; a wall abutting the airfoil; and a fillet between the airfoil and wall. The fillet has an enlarged section at the leading ed... | 11/29/2005 |
