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| Number | Title | Issue Date |
| 8167548 | Steam turbine A steam turbine is provided having a rotor which rotates around a machine axis, and a stator which concentrically encompasses the rotor with clearance, between which an annular passage is formed which is exposed to throughflow by steam in the axial direction and in ... | 05/01/2012 |
| 7588417 | Turbomolecular pump having multistage stator spacers According to the invention, the stator is made by radially assembling together at least two stator sectors (21, 22) about a rotor (18). Each stator sector (21, 22) comprises a peripheral shell sector (24, 25) provided with internal annula... | 09/15/2009 |
| 7553129 | Flow structure for a gas turbine A flow structure of a gas turbine, in particular for an aircraft engine, in a transitional channel between two compressors or in a transitional channel between two turbines or in a transitional channel of a turbine outlet housing downstream from a low-pressure turbi... | 06/30/2009 |
| 7467920 | First and second stage turbine airfoil shapes The first stage nozzles and buckets have nominal airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and R set forth in Tables I and II, respectively, and second stage nozzles and buckets have nominal airfoil profiles substantially ... | 12/23/2008 |
| 7462014 | Axial flow fan with multiple segment blades An axial flow fan with a plurality of segment blades is described. The axial flow fan has a base, a hub and a plurality of blade units. The hub is mounted on, or pivots on, the base and supports the blade units. Each of the blade units is connected to a periphery of... | 12/09/2008 |
| 7351032 | Heat dissipating fan with an airflow guiding structure A heat dissipating fan includes a cover plate having an air inlet and a base, an impeller mounted to the base and having a plurality of blades, and an air guiding member having an air passageway and an air outlet. A portion of an axial height of the respective blade... | 04/01/2008 |
| 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 |
| 7300247 | Axial flow turbine An axial flow turbine provided with a stage composed of a turbine nozzle and a turbine rotor blade arranged in an axial flow direction. Both end portions of a nozzle blade of the turbine nozzle are supported by a diaphragm inner ring and a diaphragm outer ring, and ... | 11/27/2007 |
| 7284955 | 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 t... | 10/23/2007 |
| 7278822 | Turbomolecular pump A turbomolecular pump includes a plurality of rotor and stator discs arranged alternatively one behind another and producing together a pumping effect, a plurality of spacer rings for retaining the stator discs at a distance from each other; and connection elements ... | 10/09/2007 |
| RE39774 | Fan guard structure for additional supercharging function A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and additionally, the fan guard interacts with an airflow generated by th... | 08/14/2007 |
| 7226324 | Waterjet with internal drive motor A marine waterjet propulsion system having an impeller with an impeller hub, a diffusor with a diffusor hub, and a motor driving the impeller, the motor being placed inside at least one of said impeller and diffusor hubs. In one preferred embodiment of the propulsio... | 06/05/2007 |
| 7214029 | Laminar air turbine The windmill assembly is a low drag, streamlined body of revolution that captures the kinetic energy content of the accelerated laminar air surrounding the body. The assembly includes a power-generating, wind-driven turbine that is compact, lightweight and capable o... | 05/08/2007 |
| 7179052 | Assembly type nozzle diaphragm, and method of assembling the same A nozzle diaphragm assembly includes a diaphragm outer ring having a groove opened toward an inner diameter side to be continuous in an inner peripheral direction; a diaphragm inner ring having a groove opened toward an outer diameter side to be continuous in an out... | 02/20/2007 |
| 7148416 | Undersea vehicle An undersea vehicle having both low emitted noise and low reflectivity is provided. The undersea vehicle has a hollow cylindrical hull with all components, sensors, electronics, motors, and other internal components with the exception of the propellers, located with... | 12/12/2006 |
| 7047739 | Exhaust-gas turbocharger for an internal combustion engine An exhaust-gas turbocharger in an internal combustion engine having a compressor in the induction tract and an exhaust-gas turbine in the exhaust-gas line wherein the exhaust-gas turbine has at least two spiral ducts which in each case open into a radial flow inlet ... | 05/23/2006 |
| 7001147 | Airfoil shape and sidewall flowpath surfaces for a turbine nozzle A turbine nozzle includes airfoil and sidewall surfaces. The airfoil and sidewall surfaces have profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Tables I–IV for the pressure and suction sides of the airfoil, and the ... | 02/21/2006 |
| 6991426 | Variable pitch fan A variable pitch fan, particularly for propulsion, of the type comprising a rotor and at least two stages of stator blade rows positioned upstream and downstream of the rotor, wherein the rotor blades (8) are of the variable pitch type and have a sinusoidal s... | 01/31/2006 |
| 6905309 | Methods and apparatus for reducing vibrations induced to compressor airfoils A method enables a rotor blade for a gas turbine engine to be fabricated. The method comprises forming an airfoil including a first side wall and a second side wall that each extend in radial span between an airfoil root and an airfoil tip, and wherein the first and... | 06/14/2005 |
| 6887041 | Airfoil shape for a turbine nozzle The third stage nozzle has an airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I wherein X and Y values are in inches and define airfoil profile sections at each distance Z and Z is a non-dimensional value... | 05/03/2005 |
| 6866477 | Airfoil shape for a turbine nozzle The third stage nozzle has an airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I wherein X and Y values are in inches and define airfoil profile sections at each distance Z and Z are non-dimensional values... | 03/15/2005 |
| 6827549 | Heat-dissipating module A heat-dissipating module including a first fan unit, a second fan unit, and a connecting arrangement for connecting the first fan unit and the second fan unit in a serial manner. The first fan unit is located on an air inlet side and includes a casing and a fan whe... | 12/07/2004 |
| 6799942 | Composite fan A composite fan consists of a first fan and a second fan located on the air outlet side of the first fan. The first fan has a plurality of first rotary vanes and a plurality of first guide vanes located on the air outlet side of the first rotary vanes. The second fa... | 10/05/2004 |
| 6736599 | First stage turbine nozzle airfoil The first stage nozzles have airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth Table 1. The X and Y values are in inches and the Z value is non-dimensional along the nozzle-stacking axis coincident with a turbine r... | 05/18/2004 |
| 6732680 | Internal combustion engine with liquid coolant pump An internal combustion engine includes a coolant pump having an axially directed rotary pumping element which is functionally housed between upstream and downstream stators which function to straighten the flow and recover fluid velocity, both before and after work ... | 05/11/2004 |
| 6715983 | Method and apparatus for reducing distortion losses induced to gas turbine engine airflow A vane assembly for a gas turbine engine includes at least one vane that includes a first body, a second body, and a passageway. The first body includes a first sidewall and a second sidewall that are connected at a leading edge and a trailing edge. The passageway e... | 04/06/2004 |
| 6705834 | Axial flow turbine type rotor machine for elastic fluid operation An axial flow turbine machine intended for elastic fluid operation is provided which includes a rotor with two or more sections each carrying an array of radially directed drive blades, and a stator having a number of fluid inlet nozzles and one or more sections eac... | 03/16/2004 |
| 6652230 | Serial fan with a plurality of rotor vanes An axial flow serial fan includes a single frame, a first rotor vane having at least one first blades; and a second rotor vane having at least one second blades, wherein the first rotor vane and the second rotor vane are provided in series in the single f... | 11/25/2003 |
| 6626641 | Nozzle for turbine A steam turbine of the type which incorporates a turbine case defining a plurality of passages having outlets opening through an inside end wall of the turbine case in a direction generally parallel to the turbine shaft, with nozzles positioned over the o... | 09/30/2003 |
| 6527503 | Method of positioning turbine stage arrays, particularly for aircraft engines A method of positioning arrays of stages of a turbine, particularly for aircraft engines; the turbine having an axis and a first, a second and a third array of blades arranged consecutively, and of which the first and third array have a relative velocity ... | 03/04/2003 |
| 6511285 | Tandem guide vanes Two stages of relatively rotatable guide vanes (22,24) are arranged in tandem. Shroud portions (42,46) on the vanes overlap in loose engagement, until an associated gas turbine engine starts operating. Gas loads then act on the downstream vane stage (24) ... | 01/28/2003 |
| 6499942 | Turbomolecular pump and vacuum apparatus A turbomolecular pump capable of maintaining a maximum discharge rate even in a higher pressure has rotor blades or stator blades formed such that surface angles on a first surface of the blades facing the direction of rotation differ between an inlet por... | 12/31/2002 |
| 6457949 | Fan tray apparatus and method A fan tray apparatus and method includes a mounting body portion having a length and a width. The mounting body portion further includes first and second longitudinal sides and first and second lateral sides. A plurality of fans is operatively attached to... | 10/01/2002 |
| 6402458 | Clock turbine airfoil cooling A turbine includes three rows of airfoils which receive in sequence hot combustion gases during operation. The third row airfoils are clocked circumferentially relative to the first row airfoils for bathing the third row airfoils with relatively cool wake... | 06/11/2002 |
| 6302648 | Steam turbine jointed stationary blade A two stage jointed stationary blade of a high pressure or intermediate pressure steam turbine is formed with a bolt joint in place of a welded joint so as to make detachment and disassembly possible, and thereby facilitating maintenance and inspection wo... | 10/16/2001 |
| 6270315 | Highly loaded turbine blading To reduce the number of stages of a turbine and, associated therewith, the overall length and the costs, blading having high stage-specific enthalpy transfer is to be used. In this case, the disadvantages of conventional highly loaded blading, such as inc... | 08/07/2001 |
| 6244818 | Fan guard structure for additional supercharging function A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and additionally, the fan guard interacts with an airflow gene... | 06/12/2001 |
| 6206635 | Fan stator A stator device for an axial flow fan has a plurality of first stator elements and a corresponding plurality of second stator elements, the first stator elements being disposed axially rearwardly of the second stator elements so as to define an air flow s... | 03/27/2001 |
| 5554000 | Blade profile for axial flow compressor An axial flow compressor for use in a gas turbine or other industrial application having an improved efficiency is provided through modification of the blade shape and profile of the blades subject to a subsonic high velocity inlet flow so as to avoid sho... | 09/10/1996 |
| 5520512 | Gas turbines having different frequency applications with hardware commonality Power generation turbines having different power outputs for different power grid frequency applications have modular second and third stages, rotors, bucket wheels for all stages and other ancillary parts. The first and second turbines have sizes not geo... | 05/28/1996 |
