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| Number | Title | Issue Date |
| 7988409 | Method and apparatus for extending flow range of a downhole turbine The present invention provides means to extend the flow rate range over which a downhole turbine 70 will return a power output sufficient to meet the minimum downhole power requirements. In one embodiment, the present invention relates to an arrangement of ax... | 08/02/2011 |
| 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 |
| 6905303 | Methods and apparatus for assembling gas turbine engines A method of assembling a gas turbine engine includes coupling an inner engine casing to an outer engine casing such that an annular flow path is defined therebetween, coupling a plurality of circumferentially-spaced support struts between the inner and outer casings... | 06/14/2005 |
| 6638014 | Valve arrangement for a power plant The invention relates to a valve arrangement (1), in particular for a power plant. A housing (2) contains a shut-off valve (3) for shutting off a fluid flow, a control valve (4) for controlling the fluid flow through a housing outlet (8) and a bypass valv... | 10/28/2003 |
| 6443695 | Steam turbine A steam turbine includes a turbine casing, in which a turbine rotor is accommodated so as to extend along a direction of flow of steam, and a plurality of turbine pressure sections are mounted to the turbine rotor, which includes, in combination, at least... | 09/03/2002 |
| 6398491 | Multistage turbocompressor A multistage turbocompressor is equipped with a tapping point between two compressor stages. The guide-blade cascade of the stage arranged directly upstream or downstream of the tapping point is designed with adjustable geometry. The pressure at the tappi... | 06/04/2002 |
| 6092984 | System life for continuously operating engines A method is provided for extending the system life of variable geometry components, including variable geometry rings, in an engine system by minimizing relative motion incurred from engine vibrations. Initially, the variable geometry rings are de-tuned f... | 07/25/2000 |
| 5911679 | Variable pitch rotor assembly for a gas turbine engine inlet A cospander for extending the high efficiency range of a turbine engine is described. A cospander, in one aspect, is a turbomachinery device including at least one stage wherein stator vane and rotor blade rows are continuously variable to an extent that ... | 06/15/1999 |
| 5553995 | Method of driving a turbine in rotation by means of a jet device A turbine device and a method of driving the turbine device are disclosed. The turbine device includes an admission channel, a turbine, and an injection channel. The turbine device may also include a regulator. The turbine is driven by injecting a primary... | 09/10/1996 |
| 5269648 | Arrangement for controlling the flow cross section of a turbomachine An arrangement for controlled admission to a nozzle assembly of axial flow extraction steam turbines consists essentially of a control valve located upstream of the nozzle assembly and having two inlet windows for the working medium and of a duct element ... | 12/14/1993 |
| 5184459 | Variable vane valve in a gas turbine In a gas turbine bypass engine having an inlet for gas flow to a core duct and an outer duct for bypassing a portion of the inlet air flow around such core duct, an improvement is provided in which a plurality of pivotal outlet guide vanes mounted on the ... | 02/09/1993 |
| 4874287 | Variable-geometry turbocompressor A variable-geometry turbocompressor is provided which includes a tandem variable stator downstream of a rotor stage. The tandem stator includes an inlet stator cascade and an outlet stator cascade arranged adjacent one another and each including variable ... | 10/17/1989 |
| 4836746 | Axial flow engine guide vane adjusting device The shafts of guide vanes of an axial-flow engine, in particular, a combustion turbine, are supported angle-adjustably in an annular guide vane carrier and are spring-loaded and vibration-damped in their axis directions. An adjustment ring concentric to t... | 06/06/1989 |
| 4590889 | Arrangement for influencing a cooling air flow An arrangement for influencing a cooling air flow passing through a cooling air system of an internal-combustion engine of a vehicle includes a heat exchanger and a blower arranged in an air guiding housing, a cooling air outlet opening being arranged in ... | 05/27/1986 |
| 4486144 | Rotating wind-guiding shell for the fan A rotating wind-guiding shell for an electrical fan effectively changes the direction and magnitude of the blowing wind from the fan. The pressure and the direction of the wind from the fan can be varied instantaneously and the effective wind field can al... | 12/04/1984 |
| 4400135 | Vane actuation system An improved vane actuation system for a gas turbine engine having adjustable stator vanes in stages between which the engine casing exhibits relative axial and radial thermal growth, the improved system including a pair of platforms on the casing forming ... | 08/23/1983 |
| 4321476 | Bi-directional wind power generator A structure designed to be placed in an existing pass in a mountain range comprises a framework having a plurality of individual passageways through which moving air may travel. Each passageway contains a separate wind driven propeller structure which can... | 03/23/1982 |
| 4245467 | Isolated reverse turbine system for gas turbine engines A reversing system for gas turbine engines having, in addition to a conventional gas generator and power turbine, a reversing turbine coupled to the exhaust end of the power turbine output shaft, a gas flow proportioning inlet mechanism, and a movable blo... | 01/20/1981 |
| 4144720 | Air defrost system using secondary air band components An improved upright open front refrigerated display cabinet having primary and secondary air flow conduits, in which air flow directing means are provided for selectively drawing ambient air into the secondary air band conduit during a defrost cycle and f... | 03/20/1979 |
| 4079665 | Wall mounted ventilator A ventilator adapted for wall mounting use in ventilating buildings such as agricultural buildings and the like used for housing livestock, and having inlet and exhaust duct means, located one above the other, and adapted to be mounted in the wall of the ... | 03/21/1978 |
