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| Number | Title | Issue Date |
| 8133012 | Transonic airfoil and axial flow rotary machine Sectional profiles close to a tip 124 and a part between a midportion 125 and a hub 123 are shifted to the upstream of an operating fluid flow in a sweep direction. Accordingly, an S shape is formed in which the tip 124 and the part betwe... | 03/13/2012 |
| 8118543 | Centrifugal compressor having switchable two passages A centrifugal compressor for compressing gas has a casing, a rotary shaft, an impeller, a diffuser, a first scroll, a second scroll, a first passage, a second passage, and a switching member. The rotary shaft is supported by the casing. The impeller is rotatably fix... | 02/21/2012 |
| 8113769 | Expansion turbine having a variable nozzle mechanism Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and var... | 02/14/2012 |
| 8033785 | Features to properly orient inlet guide vanes Several physical features on an inlet guide vane (IGV) ensure proper orientation of the IGV within a compressor during assembly. A gear with several teeth removed results in a flat surface on the gear which inhibits the gear from rotating on the rack of the compress... | 10/11/2011 |
| 7934902 | Compressor variable stage remote actuation for turbine engine A turbine engine locates an actuator (55) for the compressor variable guide vanes (54a, b, c) at a location remote from the variable guide vanes. The actuator is connected to the variable guide vanes through a torque rod (56) inside an in... | 05/03/2011 |
| 7854585 | Variable geometry compressor A variable geometry compressor for use in, for example, a turbocharger. A swing-vane diffuser is provided down-stream of the centrifugal compressor wheel. A nozzle ring is adjustable mounted on a center housing, and defines the nozzle face for the compressor diffuse... | 12/21/2010 |
| 7507067 | Turbocharger of variable turbine geometry A turbocharger of variable turbine geometry, comprising: a vane bearing ring assembly including a vane bearing ring and a disk which can be fixed to the vane bearing ring for creating a flow channel; and at least one support pin which is connected with a first end t... | 03/24/2009 |
| 7426829 | Vane control An exemplary controller includes a control valve that includes an electric actuator operatively coupled to a valve stem, a piston operatively coupled to one or more hydraulic fluid paths controlled by the control valve and including a piston shaft, a rotatable shaft... | 09/23/2008 |
| 7407367 | Variable area diffuser A diffuser includes multiple vanes rotatable about pivot pins between multiple positions. A mounting plate supports a backing plate. The vanes are arranged between the backing plate and the shroud. The pivot pins are in a slip fit relationship with the backing plate... | 08/05/2008 |
| 7356999 | System and method for stability control in a centrifugal compressor A stability control algorithm is provided for a centrifugal compressor. The stability control algorithm is used to control a variable geometry diffuser and a hot gas bypass valve (when provided) in response to the detection of compressor instabilities. The stability... | 04/15/2008 |
| 7350352 | Fluid coupling A fluid coupling comprising a pump having an annular pump shell with an annular core ring mounted on a pump hub and a plurality of impellers radially arranged in the pump shell; a turbine arranged being opposed to the pump and having an annular turbine shell with an... | 04/01/2008 |
| 7340895 | Turbocharger actuator A turbocharger actuator and method of calibrating for a variable nozzle turbocharger. Included are an actuator housing having a diaphragm connected across it, a piston, and a compression spring arranged to be generally centered in the actuator housing biasing the pi... | 03/11/2008 |
| 7326027 | Devices and methods of operation thereof for providing stable flow for centrifugal compressors Centrifugal compressor flow stabilizing devices and methods of operation thereof are disclosed that act upon the flow field discharging from the impeller of a centrifugal compressor and modify the flow field ahead of the diffuser vanes such that flow conditions cont... | 02/05/2008 |
| 7323791 | Louvered horizontal wind turbine A wind turbine, including: a rotatable frame; a plurality of airfoils extending in a direction parallel to an axis of rotation of the rotatable frame; and an enclosure surrounding the rotatable frame, wherein the enclosure comprises a plurality of moveable members c... | 01/29/2008 |
| 7303370 | Fluid flow engine and method of producing a guiding grid A fluid flow engine comprises: a turbine housing including at least one supply channel for supplying a driving fluid; at least one turbine rotor rotatably supported in the turbine housing about an axis of rotation; and a guiding grid of variable turbine geometry rad... | 12/04/2007 |
| 7305118 | Illumination system for measurement system An improved method and device for reflectively measuring a subject such as a throat area in a vane ring for a gas turbine engine uses improved lighting arrangements to improve the quality of reflection to thereby reduce problems associated with poor quality reflecti... | 12/04/2007 |
| 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 |
| 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 |
| 7165936 | Adjustable flow turbine nozzle A multiple-passage turbine nozzle with desired predetermined flow properties may be provided with an adjustment member in one or more of its passages to limit the flow therethrough. Turbine nozzle flow is an important performance characteristic that may be difficult... | 01/23/2007 |
| 7137252 | Variable nozzle control apparatus of turbocharger The invention provides a variable nozzle control apparatus for a turbocharger in an engine comprising: a variable nozzle having a vane; an engine ECU for identifying an operating situation of the engine by detected outputs of sensors in the engine and outputting a c... | 11/21/2006 |
| 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 |
| 7127915 | Nitrogen rejection method and apparatus Nitrogen is rejected from a pressurised feed gas stream comprising methane and nitrogen by cooling the feed gas stream in a main heat exchanger 10 and rectifying the cooled feed gas stream in a double rectification column 20 comprising a higher pressur... | 10/31/2006 |
| 7114911 | Variable camber and stagger airfoil and method Aerodynamically efficient air flow management in axial flow-turbines is provided by utilizing a variable stagger and camber airfoil. In an exemplary embodiment of the invention, this is accomplished by providing a two-piece airfoil including a strut and a flap, each... | 10/03/2006 |
| 7116839 | Optical measurement of vane ring throat area A method and device for optically measuring throat area in a vane ring for a gas turbine engine, the method according to one aspect of the invention following the steps of: placing the vane ring on a fixture with the periphery of each throat within an optical measur... | 10/03/2006 |
| 7112039 | Variable vane electro-graphic thrust washer A method for improving the wear characteristics of a system for operating a variable vane comprising the steps of providing a trunnion connected to the variable vane via an vane platform and means for causing rotation of the trunnion, and positioning a thrust washer... | 09/26/2006 |
| 7100623 | Dishwasher having spray arms and a circulation pump A dishwasher includes a number of spray arms, a circulation pump with a pump housing, an impeller, a suction port, and a number of discharge ports on the pump housing. The discharge ports are associated with the spray arms. A water diverter is located on a delivery ... | 09/05/2006 |
| 7096657 | Gas turbine engine electromechanical variable inlet guide vane actuation system An electromechanical inlet guide vane actuation system includes one or more electric motor driven actuators that are used to appropriately position the inlet guide vanes in a gas turbine engine. The actuation system includes a control circuit that supplies guide van... | 08/29/2006 |
| 7089963 | Flow laminarizing device Representative embodiments provide for a flow laminarizing device including a plurality of walls defining a plurality of passageways, each passageway defining a hexagonal cross-sectional area and configured to permit fluid flow there through, a casing configured to ... | 08/15/2006 |
| 7065966 | Position control method by motor drive and control unit A position control method by motor drive including of rotating a rotor of the motor drive according to the given target opening, and detecting the opening of a movable vane by an encoder, the motor drive opening and shutting a passage of an intake air pipe to a turb... | 06/27/2006 |
| 7048503 | Exhaust-gas turbine for turbochargers In an exhaust gas turbine for a turbocharger of an internal combustion engine with a casing and a rotor rotatably supported in the casing, the casing includes an inlet duct with a guide vane structure supported so as to be movable into and out of a flow inlet area t... | 05/23/2006 |
| 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 |
| 7024856 | Variable nozzle control apparatus of turbocharger The invention provides a variable nozzle control apparatus for a turbocharger in an engine comprising: a variable nozzle having a vane; an engine ECU for identifying an operating situation of the engine by detected outputs of sensors in the engine and outputting a c... | 04/11/2006 |
| 7024855 | Variable geometry turbocharger with sliding piston A turbocharger having a variable geometry turbine inlet incorporates a piston movable to vary the area of the inlet nozzle into the turbine. Vanes extending from the heat shield for flow control in the nozzle are engaged by the piston in a first closed position. In ... | 04/11/2006 |
| 7004723 | Device for controlling variable-pitch vanes in a turbomachine A device for controlling variable-pitch vanes in a turbomachine comprises links connecting the radial pivots of the vanes to radial fingers carried by semicircular elements and bridges of a control ring, the links being mounted in ball-and-socket manner on the radia... | 02/28/2006 |
| 7001140 | Centrifugal fan diffuser At least one embodiment of the present inventive technology focuses on a vaneless diffuser adapted for establishment extra-radially of a centrifugal fan, wherein the diffuser may effect an optimal transformation of velocity pressure into static pressure of a fluid (... | 02/21/2006 |
| 7000392 | Vane control An exemplary controller includes a control valve that includes an electric actuator operatively coupled to a valve stem, a piston operatively coupled to one or more hydraulic fluid paths controlled by the control valve and including a piston shaft, a rotatable shaft... | 02/21/2006 |
| 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 |
| 6928818 | Actuation assembly for variable geometry turbochargers Improved actuation assemblies are used with variable geometry turbochargers comprising a plurality of movable aerodynamic vanes attached to a movable unison ring that is coupled to an actuator. The actuation assembly includes a crank arm that is attached at a first ... | 08/16/2005 |
| 6925805 | Turbocharger The invention concerns an exhaust gas turbocharger for an internal combustion engine, with at least one turbine arranged in the exhaust gas stream downstream of the internal combustion engine, wherein the turbine includes at least one flow channel with at least one ... | 08/09/2005 |
