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| Number | Title | Issue Date |
| 8157514 | Components for gas turbine engines A component for a gas turbine engine having an engine axis includes a rotor disk and a plurality of airfoils. The rotor disk comprises a web and a rim. The web has a first outer surface at least partially defining a plurality of holes and a plurality of slots. Each ... | 04/17/2012 |
| 8087885 | Stacked annular components for turbine engines Improved annular components and improved methods for assembling annular components into a turbine engine are described with respect to an axial compressor having a plurality of annular compressor rotor airfoil assemblies (120) as an example. Each compressor r... | 01/03/2012 |
| 7740446 | Serial fan with a plurality of rotor vanes A serial fan includes a frame, a plurality of rotor vanes, a support connected to the frame through a plurality of connecting parts. The plurality of rotor vanes are arranged in series in the frame along an axial direction and the plurality of connecting parts are d... | 06/22/2010 |
| 7419354 | Centrifugal pump with screw pump accelerator Method and apparatus for pumping drilling fluid (mud) containing drill cuttings, comprising a centrifugal pump with screw pump accelerator. The screw pump creating positive pressure for centrifugal pump inlet to increase performance. The screw pump mud level fluctua... | 09/02/2008 |
| 7367775 | Apparatus and method for optimizing vibration of a gas turbine A rotor comprising several blades rotating together with the rotor, particularly running blades, and the blades forming at least one blade ring, is disclosed. The blades within the, or each, blade ring are arranged at a different distance from one another. ... | 05/06/2008 |
| 7331757 | Turbine shaft and production of a turbine shaft The invention relates to a turbine shaft for a steam turbine, oriented in an axial direction and comprising a first and a second flow region. According to the invention, a first material is provided in the first flow region of the turbine shaft, and a second flow re... | 02/19/2008 |
| 7322792 | Cooling fan without returning flow A cooling fan without returning flow comprises a motor stator, a frame and a motor rotor. The frame is joined to the stator with a support device at the inlet side thereof. The motor rotor is disposed at the stator. A fan blade set is disposed under the rotor and at... | 01/29/2008 |
| 7304844 | Cooling fan assembly A cooling fan assembly includes a cooling fan (1) having a rotary hub (14) and a plurality of fan blades extending radially from an outer periphery of the hub, a hood (20) connected with the cooling fan, and a guiding member (40) located ... | 12/04/2007 |
| 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 |
| 7238004 | Serial fan with a plurality of rotor vanes A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving the at least one motor. The plurality of rotor vanes are arranged in ... | 07/03/2007 |
| 7204326 | Drilling turbine A turbine is disclosed which includes a turbine blade housing having an inner facing portion of a first material having a first coefficient of expansion, and a turbine blade body having an outer facing portion of a second coefficient of expansion greater than said f... | 04/17/2007 |
| 7134839 | Radial-flow heat-dissipating fan with increased inlet airflow A radial-flow heat-dissipating fan includes a casing and a cover mounted to a side of the casing. The casing includes a compartment and a side air outlet, and the cover includes an air inlet. A primary fan wheel is rotatably mounted in the compartment and the primar... | 11/14/2006 |
| 7065872 | Method of processing a multiple alloy rotor A method of processing a rotor. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition zone therebetween. The ingot is forged to yield a rotor forging that contains axia... | 06/27/2006 |
| 7059830 | Axial-flow serial fan This specification discloses a serial fan comprising a plurality of rotor vanes, one or more supports and a frame. Each of the rotor vanes comprises an inlet, an outlet, and one or more blades. Each support supports at least one of the rotor vanes so that the corres... | 06/13/2006 |
| 7056086 | Steam turbine including a high-pressure body having a single state of blades A steam turbine 1 constructed in accordance with the present invention comprises a high-pressure module 2 and a low-pressure module 3, a speed-reducing gearbox 4, and an alternator, and wherein the high-pressure module 2 has a sing... | 06/06/2006 |
| 7029233 | Modulator water dynamometer A modular waterbrake that can be used with differing types and sizes of rotating machines includes common end stages, and a plurality of common intervening power stages. Each power stage will extract a certain amount of shaft horsepower from the machine under test, ... | 04/18/2006 |
| 6971850 | Multiple alloy rotor and method therefor A process for producing a rotor, the rotor formed thereby, as well as turbines in which such a rotor is installed. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition... | 12/06/2005 |
| 6962483 | Multiple alloy rotor A monolithic rotor comprising first and second rotor regions axially aligned within the monolithic rotor and a transition zone therebetween. The first and second rotor regions are formed of different alloys and the transition zone having a composition that differs f... | 11/08/2005 |
| 6905310 | Impeller for centrifugal compressors In an impeller for centrifugal compressors comprising a plurality of blades each having a base end attached to a central hub, each of the blades is given with a thickness which increases progressively toward a hub end thereof, and a suction surface side of the blade... | 06/14/2005 |
| 6854954 | Methods and apparatus for assembling turbine engines A method for assembling a power system is provided. The method includes coupling a first turbine and second turbine together with a coupling that extends between a first rotor of a first turbine and a second rotor of the second turbine, and such that the first turbi... | 02/15/2005 |
| 6851927 | Fluid-flow machine with high-pressure and low-pressure regions A fluid-flow machine includes an outer casing having a rotationally mounted rotor with three blade regions. The blade regions are divided into an inner blade region and two outer blade regions, the two outer blade regions pointing outward toward the outer casing end... | 02/08/2005 |
| 6796858 | Stator vane and impeller-drive shaft arrangements and personal watercraft employing the same The invention is directed to a thick stator vane that effects continuous acceleration of the water stream within the jet pump, a non-uniform spacing of stator vanes or impeller blades to reduce noise output of the jet pump during operation, and a coupling structure ... | 09/28/2004 |
| 6754076 | Stackable liquid cooling pump Electronic system components are cooled using a field configurable pump comprising a selectable plurality of identical or nearly identical modular pump units. The pump units are disposed in a stacked arrangement and are fluidly connected to adjacent modular pump uni... | 06/22/2004 |
| 6739846 | Stacked redundant blowers A fluid moving system is disclosed wherein a plurality of stacked blowers may provide for the redundant supply of cooling fluid such as air. This system may be advantageously utilized to cool electronic equipment or other uses. One or more of the blowers may utilize... | 05/25/2004 |
| 6722847 | Fan for a turbofan gas turbine engine A fan (22) for a turbofan gas turbine engine (10) comprises a fan rotor (24) carrying a first set of circumferentially spaced radially extending fan blades (28) and a second set of circumferentially spaced radially extending fan blades ( | 04/20/2004 |
| 6626653 | Backup heat-dissipating system Disclosed is a backup heat-dissipating system having a serial fan which can be assembled easily, fastly and conveniently, and can effectively eliminate the interference between fans and prevent the air leakage resulting from the failed fan unit. The backu... | 09/30/2003 |
| 6575714 | Submersible pump and sprinkler system An electrical non-priming submersible pump including a motor assembly that has a motor coupled to a shaft. The shaft has impellers formed thereon for propelling water. Also included is a housing assembly that surrounds the motor assembly. The housing asse... | 06/10/2003 |
| 6547514 | Technique for producing a high gas-to-liquid ratio fluid A technique for facilitating the movement of multi-phase fluids. The technique utilizes a compressor pump and a production pump. The compressor pump compresses a fluid to remove vapor phase and then discharges the pressurized fluid to a production pump. T... | 04/15/2003 |
| 6499946 | Steam turbine rotor and manufacturing method thereof A steam turbine rotor having a combination of at least one of a high pressure rotor, an intermediate pressure rotor and a low pressure rotor, which are each formed from a metal material of different chemical composition and welded together by means of wel... | 12/31/2002 |
| 6474939 | Cell for pumping a multiphase effluent and pump comprising at least one of the cells A cell for pumping a multiphase effluent includes two rotary parts (4-5), the first one (4) having a hydraulic wheel designed for transmitting kinetic energy to each of the multiphase effluent phases entering cell (1a-1b), and the second one (5), followin... | 11/05/2002 |
| 6471474 | Method and apparatus for reducing rotor assembly circumferential rim stress A rotor assembly for a gas turbine engine operates with reduced circumferential rim stress. The rotor assembly includes a rotor including a plurality of rotor blades extending radially outward from an annular rim. A root fillet extends circumferentially a... | 10/29/2002 |
| 6409468 | Turbo-molecular pump A compact turbo-molecular pump has a relatively short axial length and yet provides sufficient evacuation and compression capabilities. The turbo-molecular pump comprises a casing (10) which contains an exhaust vane section (L1) having rotary vanes (30) o... | 06/25/2002 |
| 6379113 | Propeller apparatus A multi-stage propeller assembly including a barrel having a cylindrical actuation part and a tapered nozzle part, with the tapered nozzle part integrally extending from the cylindrical actuation part while being reduced in its diameter in a direction fro... | 04/30/2002 |
| 6302641 | Multiple type vacuum pump A multiple-type vacuum pump has a simple construction and superior durability. The multiple-type vacuum pump has the capacity to perform air evacuation at high velocities in the low to high vacuum zone range. The multiple-type vacuum pump includes: a scre... | 10/16/2001 |
| 6273672 | Two-phase helical mixed flow impeller with curved fairing A compression or expansion two-phase helical mixed flow impeller (1) comprising one or more vanes (3) mounted on a boss, a cover (4) or fairing mounted on the outer part of the vanes, the assembly being arranged in a housing (2). The cover (4) has at leas... | 08/14/2001 |
| 6267554 | Cooling water pump A high conveying capacity cooling water pump for an internal combustion engine includes a bearing element, a rotor which is held therein and carries three impellers, an inflow housing and an outflow housing. The outflow housing and the bearing element for... | 07/31/2001 |
| 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 |
| 6168374 | Friction vacuum pump The present invention relates to a friction vacuum pump having at least one turbomolecular pump stage (2) joined at its pressure side to a screw pump stage (4). In order to improve the pump properties it is proposed that a filling stage (3) be arranged be... | 01/02/2001 |
| 6145300 | Integrated fan / low pressure compressor rotor for gas turbine engine An integrated fan and low pressure compressor rotor having a hub with a circumferential array of primary blades. Each primary blade has a forward fan blade portion housed in the engine inlet radially extending from the hub to the fan case and a rearward c... | 11/14/2000 |
| 6126385 | Wind turbine A wind turbine for generating power comprising one or more blades mounted to a shaft for rotational movement in response to an airflow, a housing having a generally central longitudinal axis, the housing surrounding the one or more blades and the shaft, w... | 10/03/2000 |
