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Match Document Document Title
7614846 Ceramic-based bushing for a variable-pitch vane system in a turbomachine  
The invention relates to a ceramic-based bushing for mounting in a turbomachine casing to provide a smooth bearing for a pivot of a variable-pitch vane. The bushing is constituted by a metal jacket...
7594794 Leaned high pressure compressor inlet guide vane  
A variable geometry inlet guide vane assembly that reduces stress placed on downstream compressor blades in gas turbine engines. The invention circumferential leans upstream guide vanes, pushing...
7549839 Variable geometry inlet guide vane  
An inlet guide vane provides improved, smooth airflow and avoids separation of flow even at high incidence angles. The inlet guide vane includes a strut having opposite side surfaces that are...
7520716 Vane system equipped with a guiding mechanism for centrifugal compressor  
A vane system for a centrifugal compressor ( 10 ), comprising two rows ( 15, 20 ) of vanes ( 15′, 20 ′) installed in series inside a suction duct ( 14 ), the first row ( 15 ) of fixed vanes (...
7491030 Magnetically actuated guide vane  
A variable inlet guide vane assembly in a turbomachine in which the vanes can vary in angle to control the flow through into the turbomachine, each guide vane having a leading edge portion and a...
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...
7448847 Turbine with adjustable vanes  
There is provided an adjustable vane turbine and turbine generator using the same, in which hydrodynamic properties are employed to adjust adjustable vanes automatically in response to flow...
7438521 Hydraulic turbine and stay ring  
A stay ring of a hydraulic turbine has: a ring-shaped upper wall, a ring-shaped lower wall arranged below the upper wall forming a ring-shaped flow channel between the upper wall and the lower...
7234914 Apparatus and method for enhancing lift produced by an airfoil  
A compressor or pump employs principles of unsteady delayed stall to enhance the head increase produced by the compressor or pump. Plural airfoil-shaped lifting elements are spaced from each other...
6918744 Hydraulic turbine and exit stay apparatus therefor  
The invention is an Exit Stay Apparatus for Francis and propeller hydraulic turbines. The purpose of the invention is to eliminate the loss of turbine efficiency and strong pulsations in draft tube...
6619916 Methods and apparatus for varying gas turbine engine inlet air flow  
A method for assembling an articulated fan front frame for a gas turbine engine facilitates improving engine performance. The method includes forming a strut including a pair of sidewalls connected...
6607353 Centrifugal compressor  
The centrifugal compressor of the present invention is equipped with a plurality of vane groups (A, B) comprised of a plurality of vanes ( 16 A, 16 B) disposed in the peripheral direction of an...
6334757 Water turbine  
A water turbine comprises a runner, guide vanes formed of a plurality of vanes arranged outside the runner in a peripheral direction, each of the vanes being rotatable about a center axis thereof...
6270309 Low drag ducted Ram air turbine generator and cooling system  
A low drag ducted ram air turbine generator and cooling system is provided. The ducted ram air turbine generator and cooling system has reduced drag while extracting dynamic energy from the air...
6179559 Variable camber vane  
A variable camber vane for the inlet of a gas turbine engine has a pivoting trailing section behind a fixed leading section. In order to accommodate a wide range of flow conditions the trailing...
6050775 Radial-flow exhaust-gas turbocharger turbine  
A radial-flow exhaust-gas turbocharger turbine is provided with a row of adjustable guide blades which are rotatable via adjusting shafts mounted in a casing. The guide blades are each provided...
6045325 Apparatus for minimizing inlet airflow turbulence in a gas turbine engine  
A seal, and method of using same, for an inlet guide vane in a gas turbine engine includes a longitudinally extending tubular portion that has a longitudinal axis defined therethrough, a dovetail...
6007297 Blade for Kaplan turbine  
A blade for a Kaplan turbine has substantially linear touching lines for contacting, in the closed position of the guide blade array, adjacent guide blades, the contact lines being linear or curved...
5931636 Variable area turbine nozzle  
A variable area turbine nozzle includes a plurality of circumferentially adjoining nozzle segments. Each nozzle segment includes outer and inner bands, with a plurality of first vane segments...
5873700 Hydraulic machine  
An earth and sand wear resisting hydraulic machine disposed in pressurized water and having movable guide vanes, has a wear resisting material against earth and sand applied by spraying or welding...
5672047 Adjustable stator vanes for turbomachinery  
An adjustable stator vane assembly disposed in a fluid conduit of a turbomachine includes an annular outer shroud and an annular inner shroud positioned within and concentric to the outer shroud to...
5520511 Turbomachine vane with variable camber  
A variable camber turbomachine vane is described in which at least one of a front part and a rear part is pivotable relative to the other about a pivot axis to vary the camber of the vane, and the...
5460484 Air flow guiding mechanism for compressor inlet  
The invention relates to a compressor provided with an impeller having a rotating shaft for the purpose of compressing air, and an air inlet having a circular cross-section centered on the rotating...
5441384 Hydraulic turbine and guide gate apparatus and runner apparatus therefor  
Wicket gates and axial flow or mixed flow runner blades for a hydraulic turbine with the wicket gates arranged in a generally circular array around a central axis and with the gates pivotal about...
5314301 Variable camber stator vane  
Conventionally gas turbine engine compressors have fixed inlet guide vanes to give a predetermined swirl to incoming air at an engine design speed, so that air enters the compressor at an optimum...
5207558 Thermally actuated vane flow control  
Thermally actuated flow diverters for gas turbine engines are provided which include an arrangement of vanes in spaced overlapping array, which direct, e.g. coolant air flow to rotating engine...
5190439 Variable vane non-linear schedule for a gas turbine engine  
A method and apparatus for adjusting the angle of variable angle inlet guide vanes provides a non-linear adjustment schedule for a selected vane row as compared to the adjustment schedule for the...
4972671 Turbo-engine air intake grill  
An aircraft turbo-engine having an intake grille formed by radial struts disposed between inner and outer rings, each of said radial struts being in two parts, an upstream, fixed structural first...
4927325 Variable-displacement turbine  
A variable-displacement turbine includes a turbine wheel disposed in a housing, a scroll passage defined in the housing around the turbine wheel, at least one fixed vane and at least one movable...
4897020 Nozzle guide vane for a gas turbine engine  
A nozzle guidevane for a gase turbine engine 10 comprising a first fixed upstream portion 24, a movable downstream portion 26 and a seal situated therebetween. The seal comprises two pairs of...
4874289 Variable stator vane assembly for a rotary turbine engine  
A variable angle vane stator arrangement of relatively simple design is pided enabling widely variable angular stator vane positioning with little aerodynamic loss. This is accomplished by...
4856962 Variable inlet guide vane  
Heated inlet guide vane 20 is eccentrically supported by trunnions 22, 24. Heating air 36 passes from opening 42 to recess 50 located in the vane which is shaped to communicate with opening 42...
4844695 Variable flow radial compressor inlet flow fences  
A method and apparatus for eliminating vortex whistle noise in a radial-to-axial compressor intake uses a plurality of flow fences (36) disposed along the radially inner gas passage boundary (10)....
4780054 Variable nozzle structure for a turbine  
In a variable nozzle structure for a turbine, moveable vanes for controlling variable cross section nozzles which lead to a turbine wheel are actuated by a drive unit which comprises an actuator...
RE32756 Pre-swirl inlet guide vane for compressor  
Two sets of guide vanes are positioned in the combustion air flow path in the inlet duct of a rotary compressor of a gas turbine engine for controllably varying the air mass flow rate according to...
4741665 Guide vane ring for turbo-engines, especially gas turbines  
A guide vane for turbo-engines has a stationary vane section and a movable vane section with a gap between the two sections. The gap is covered on one side by a flexible band connected along its...
4737071 Variable geometry centrifugal compressor diffuser  
A variable geometry centrifugal compressor diffuser or radial inflow turbine nozzle comprises a plurality of fixed radially extending pressure surface vane segments disposed in a circumferentially...
4706354 Method of manufacturing a root pivot assembly of a variable incidence turbo-machine blade  
A method of manufacturing a variable incidence stator blade assembly comprising forming a blade with a root which forms an extension of the aerodynamic profile of the blade, forming a bush with a...
4705452 Stator vane having a movable trailing edge flap  
A stator vane structure is disclosed in which a movable flap is pivotally attached to the stator vane. The flap extends from an intermediate portion of the vane to the trailing edge and may be...
4681509 Variable inlet fan assembly  
A variable inlet vane assembly for use with force draft and induction draft systems having a fan. The vane assembly comprises a mounting base and a hub supported in spaced relationship by a...
4634340 Equipment for controlling the extraction pressure of an extraction condensing turbine  
This invention relates to a device for controlling the extraction pressure of an extraction condensing turbine with pivotable vanes or vane parts of guide vane lattices arranged downstream of the...
4558986 Control mechanism for the stator vanes of an axial turbine device  
A control sleeve is provided in an axial turbine device, an axial translation of which controls the stator vanes of the turbine device. In order to obtain as precise as possible a motion of the...
4496282 Reversible two-stage hydraulic machine  
A reversible two-stage hydraulic machine, or pump/turbine, is disclosed having a rotary shaft. A first-stage Francis-type runner is fixed to the shaft with a spiral casing surrounding the first...
4439104 Compressor inlet guide vane and vortex-disturbing member assembly  
A vortex whistle silencing member is secured to the leading and trailing portions of a compressor intake articulated guide vane in such manner that the silencing member is held in a stationary...
4428714 Pre-swirl inlet guide vanes for compressor  
Two sets of guide vanes are positioned in the combustion air flow path in the inlet duct of a rotary compressor of a gas turbine engine for controllably varying the air mass flow rate according to...
4183209 Gas turbine guide apparatus  
In a gas turbine power plant including a separate power turbine, a guide apparatus located downstream of the power turbine rotor will have to cope with gas flows varying considerably with respect...
4172361 Gas turbine stator structure  
In an automotive power plant, where the power turbine will repeatedly be stalled while different amounts of gas pass its stationary rotor, detrimental conditions at the outlet stator are avoided by...
4139329 Vane tip motion transfer device  
This invention relates to a device which is capable of accurately transferring a rotating movement from a master control to a pivotal vane tip in a gas turbine engine. A series of stationary vanes...
4130375 Vane rotator assembly for a gas turbine engine  
This invention relates to a method of moving a set of adjustable trailing vanes in a gas turbine engine of the "split-shaft" type. The vanes are moved by an adjusting ring which is made to...
4097187 Adjustable vane assembly for a gas turbine  
This invention relates to a vane assembly for a split-shaft gas turbine engine. The invention relates to a vane assembly which is placed in the hot gas stream to control diffusion and to deflect...
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