Famous Patents
The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7520717 | Swirl generator for a radial compressor The invention relates to a radial compressor having a suction-side opening and a pressure side. A swirl generator is placed upstream of the radial compressor. The swirl generator, has an inlet portion which is angularly configured relative to the outlet opening, the... | 04/21/2009 |
| 7478991 | Variable nozzle device A variable nozzle device comprises a wall member, a unison ring provided on a first side of the wall member, and a vane, a vane body of which is provided on a second side of the wall member, said second side being opposite to said first side, wherein said vane furth... | 01/20/2009 |
| 7448848 | Variable vane arm/unison ring attachment system An attachment system for use with a variable incidence vane is disclosed. The attachment system includes a vane arm for joining a unison ring to a vane spindle. The vane arm has an arm portion and a bushing connected to the arm portion. The attachment system further... | 11/11/2008 |
| 7354242 | Variable nozzle for a gas turbine Variable nozzle (10) for a gas turbine fixed to a shaft (11) equipped with a pressurized upper surface (12) and a depressurized lower surface (14) opposite to the upper surface (12), the variable nozzle comprises a series of substa... | 04/08/2008 |
| 7351029 | Rotary vacuum blower An impeller, set in rotation by a motor, provided with blades and enclosed in a casing which defines a circumferential annular conduit in which the blades turn. The annular conduit exhibits two openings, respectively an induction mouth for aspirating fluid from outs... | 04/01/2008 |
| 7341424 | Turbines and methods of generating power The present invention relates generally to systems and methods for facilitating the movement of fluids, transferring mechanical power to fluid mediums, as well as deriving power from moving fluids. The present invention employs an impeller system in a variety of app... | 03/11/2008 |
| 7329090 | Spring clamping clip The use of spring clamping clips between two adjacent guide vane shafts leads to a defined force on the bearing points of the guide vane in the guide bush. The seating force, resulting from the clamping force and the flow-related lift/drift forces, of the guide vane... | 02/12/2008 |
| 7305826 | Axial loading management in turbomachinery Exemplary vanes for a turbocharger having variable nozzle geometries are disclosed. In one aspect, each of the vanes includes two axial surfaces that are on opposite sides of the vane. The opposite axial surfaces include two corresponding chambers. These chambers ar... | 12/11/2007 |
| 7300245 | Stator vane stage actuated by an automatically-centering rotary actuator ring A variable pitch stator vane stage, said vanes being moved by an automatically-centered rotary actuator ring. The casing carries a stationary coaxial annular rail projecting from its outside surface, and circumferentially spaced apart moving equipments are provided ... | 11/27/2007 |
| 7278819 | Variable stator vane lever arm assembly and method of assembling same A variable stator vane assembly for a gas turbine engine including an actuation ring including an upper surface, a lower surface, a first side, a second side, and at least one recess that is defined between the upper surface, the lower surface, the first side, and t... | 10/09/2007 |
| 7255530 | Vane and throat shaping An exemplary vane for a radial turbine assembly includes a hub end and a shroud end that define vane height, a leading edge and a trailing edge that define vane length along a camberline and an inner surface and an outer surface that extend from the hub end to the s... | 08/14/2007 |
| 7252385 | Projection LED cooling A projection apparatus comprises a Light Emitting Diode (LED) and a cooling arrangement is described herein. ... | 08/07/2007 |
| 7204672 | Multi-modal forced vortex device A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro... | 04/17/2007 |
| 7198454 | Variable stator vane arrangement for a compressor An axial flow compressor (16) comprises a plurality of variable stator vanes (32) circumferentially spaced apart and extending radially. Each variable stator vane (32) is rotatably mounted on a compressor casing (28). A control ring (3... | 04/03/2007 |
| 7140832 | Method and system for rotating a turbine stator ring A method for distributing effects of a circumferential hot streak condition in a turbine includes communicating a control signal to a rotator moving a stator ring with the rotator in response to the control signal. ... | 11/28/2006 |
| 7140838 | Control lever attachment with play compensation for blades with variable setting angles The manufacturing cost of the control device is relatively low. This device comprises mainly a first end (46) of a control lever (40) provided with a drive hole (45) that drives the driving part (16) of a blade (10) through ... | 11/28/2006 |
| 7128527 | Gas turbine stator Stator (1) for a gas turbine including a stator structure (2) having a continuous through-duct (3) for a gas through-flow, a circumferential member (6), which is arranged at a radial distance from the stator structure and is operatively c... | 10/31/2006 |
| 7121788 | Exhaust gas turbocharger for an internal combustion engine An exhaust gas turbocharger for an internal combustion engine comprises a turbine in the exhaust line and a compressor, which is driven by the turbine and which is located inside the intake tract of the internal combustion engine. The turbine comprises a flow duct h... | 10/17/2006 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7104754 | Variable vane arrangement for a turbomachine A vane arrangement for a compressor of a gas turbine engine comprises a plurality of circumferentially arranged vanes, a plurality of levers and a control ring. Each vane comprises a fixed upstream portion secured to a casing and a movable downstream portion pivotal... | 09/12/2006 |
| 7101146 | Split vane flow blocker A gas path flow blocker comprising a plurality of vanes each comprising a forward portion and an aft portion defining a plurality of gas paths, a forward ring comprising a central axis about which is circumferentially disposed the plurality of forward portions, and ... | 09/05/2006 |
| 7097421 | Vernier duct blocker A vernier duct blocker comprising a plurality of vanes each having a width and comprising a forward portion and an aft portion defining a plurality of gas paths each of the plurality of vanes being separated by a plurality of widths, and a rotatably movable ring int... | 08/29/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 7051791 | Cooling apparatus and electronic equipment The rotation of axial-flow blades permits air entered through an inlet port to exit directly to outside of a case in the axial direction, and the rotation of centrifugal blades permits air entered through the inlet port to exit through a side surface outlet port to ... | 05/30/2006 |
| 7037070 | Variable pitch device for two blade stages fixed onto a turbojet The pitch control mechanism (controlling the angular position) for stator blades in a turbojet may be adjusted separately for two adjacent stages of blades controlled by a common actuator 10. To achieve this, the synchronization bar 9 located between t... | 05/02/2006 |
| 6994518 | Pre-whirl generator for radial compressor A pre-whirl generating apparatus (26) is provided that employs deformable air deflecting vanes (46) adjacent the inlet (18) of a radial air compressor (12-22), which vanes (46) can be mechanically deformed to generate positi... | 02/07/2006 |
| 6984104 | Variable vane arm/unison ring attachment system An attachment system for use with a variable incidence vane is disclosed. The attachment system includes a vane arm for joining a unison ring to a vane spindle. The vane arm has an arm portion and a bushing connected to the arm portion. The attachment system further... | 01/10/2006 |
| 6968697 | Integral compressor housing of gas turbine engines A turbine engine compressor design utilizing multiple component integration, thereby reducing the number of required engine components. In conventional compressor designs, a multiple component system makes it difficult to predict the structural behaviors due to ther... | 11/29/2005 |
| 6968702 | Nozzle bolting arrangement for a turbine A radial flow turbine including a rotor having a plurality of vanes defining an inlet, an outlet, and a flow path therebetween. A shroud is positioned to cover at least a portion of the flow path and a housing is positioned to at least partially support the rotor fo... | 11/29/2005 |
| 6962479 | Compound centrifugal and screw compressor A compound centrifugal and screw compressor comprising two separate sections. The first section is a conventional centrifugal compressor body 2 with a plurality of radial vanes 3 and 4 on the front face. The second section of the compressor is a... | 11/08/2005 |
| 6951443 | Wind turbine ring/shroud drive system A wind turbine capable of driving multiple electric generators having a ring or shroud structure for reducing blade root bending moments, hub loads, blade fastener loads and pitch bearing loads. The shroud may further incorporate a ring gear for driving an electric ... | 10/04/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6779971 | Turbine A turbine in which a turbine wheel is mounted in a housing between an inlet and an outlet. Rotatably mounted vanes are located in the inlet and coupled by linkages to an actuator which is displaceable relative to the vanes so as to control the angular orientation of... | 08/24/2004 |
| 6769868 | Stator vane actuator in gas turbine engine An actuator for adjustable stator vanes in a gas turbine engine. A torque tube is rotatable about its axis, and supports devises which connect to links. The links are connected to rings, and rotate the rings when the torque tube rotates, thereby adjusting stator van... | 08/03/2004 |
| 6758652 | Apparatus for choking the control stage of a steam turbine and steam turbine A turbine, intended to be used in a plant of the geothermal type, comprises an apparatus for the choking of the control stage. The latter provides closure means for closing at least one nozzle of the first stage of the turbine, the said nozzles facing a final sectio... | 07/06/2004 |
| 6739832 | Exhaust turbocharger The exhaust turbocharger includes an exhaust gas turbine and a turbine casing, in which is formed the volute inlet flow duct which starts with an inlet connection. An exhaust gas flow is carried to the exhaust gas turbine in this duct. The turbocharger also includes... | 05/25/2004 |
| 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 |
| 6672826 | Compressor surge control apparatus Apparatus for compressing fluid flow and for controlling said flow, comprising in combination, a casing having an interior, an impeller rotating within said interior between a fluid supply zone and pressurized fluid discharge zone, fluid flow control memb... | 01/06/2004 |
| 6652225 | Fan with integrated fan motor The revolving fan impeller of a fan includes a fan blade ring, which is used to produce an air current, as well as a turbine blade ring, which is used to drive the impeller and which may be impinged upon by a pressurized fluid. The fan casing includes a f... | 11/25/2003 |
| 6554568 | Exhaust turbocharger for an internal combustion engine In an exhaust turbocharger for an internal combustion engine including a turbine and a compressor, which is driven by the turbine, wherein the compressor comprises a compressor impeller in a flow duct, a transfer component with flow passages extends radia... | 04/29/2003 |
