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Class 415/162 - Plural, selectively adjustable vane sets


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus comprising two or more distinct sets of vanes*,
No. of patents: 61
Last issue date: 12/13/2011


1    
NumberTitleIssue Date
8075253Gas turbine compressor
A gas turbine compressor presents a first fixed stage having a plurality of first adjustable vanes and a further fixed stage, which has an inner ring extending about a first axis; an outer ring arranged about the inner ring and coaxial with the inner ring; and a plu...
12/13/2011
7517188Airfoil shape for a compressor
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sect...
04/14/2009
7413401Methods and apparatus for controlling variable stator vanes
An actuation system for a plurality of variable stator vanes pivotally mounted in a casing of a compressor. The system includes a plurality of levers each having a proximal end and an opposite distal end. Each of the proximal ends are fixedly coupled to a correspond...
08/19/2008
7412830Compressor in the induction tract of an internal combustion engine
In a compressor in the induction tract of an internal combustion engine with a compressor by which combustion air can be compressed to an increased boost pressure and which includes a compressor wheel rotatably mounted in a compressor housing with a main inlet duct ...
08/19/2008
7393179Variable position turbine nozzle
An apparatus and method are provided for permitting free rotation of turbine nozzle vanes, while minimizing or eliminating leakage on the vane side-walls. The device incorporates a plurality of nozzle vanes arranged around the circumference of a radial or mixed infl...
07/01/2008
7322588Mounting assembly for steering system of vehicles
A mounting assembly for a steering system of a vehicle includes a tubular boss for operative connection to a steering gear of the steering system and a tubular sleeve disposed within the tubular boss for operative connection to a frame of the vehicle. The mounting a...
01/29/2008
7322790System for controlling stages of variable-pitch stator vanes in a turbomachine
A system for controlling two stages of variable-pitch stator vanes of a turbomachine, the system comprising a drive element for turning the control ring of one of the stages via a leader member pivotally mounted on the casing, a synchronization bar for transmitting ...
01/29/2008
7273346System for controlling stages of variable-pitch stator vanes in a turbomachine
A system for controlling two stages of variable-pitch stator vanes of a turbomachine, the system comprising a drive element for turning the control ring of one of the stages via a leader member pivotally mounted on the casing, a synchronization bar for transmitting ...
09/25/2007
7264441Hybrid cycle high pressure compressor and turbine engine including such a compressor
The invention relates to a hybrid cycle HP compressor (104) for a turbine engine, comprising in particular a first rotor wheel (16), a first rectifier (118) and a second rotor wheel (20), as well as a separation slot (22) fitted be...
09/04/2007
7244098Device for adjusting the centering of a ring for synchronizing the control of pivoting vanes in a turbomachine
The invention provides a device for adjusting the centering of a control ring for pivoting vanes of a turbomachine, the device comprising a plurality of pads for coming into contact with a circular surface that is coaxial with the ring, each pivoting vane being conn...
07/17/2007
7198461Apparatus for adjusting stator vanes
A device for the adjustment of stator vanes of a turbo engine includes an adjusting ring and an adjusting lever. The adjusting lever includes a first end, and a second end having an opening. The first end of the adjusting lever is connected to the adjusting ring. Th...
04/03/2007
7182571Variable stator vane actuating levers
A variable stator vane actuating lever (50) for use in a compressor (20) of a gas turbine engine (10). The lever (50) comprises a first end (52) for pivotal connection to a stator vane actuator ring (36) and a second end (
02/27/2007
7165935Axial compressor
In an axial compressor (10), in particular for a gas turbine, with a plurality of stages (ST1, . . . , ST5) which are arranged one behind the other between a compressor inlet (14) and a compressor outlet (15) and include in each ca...
01/23/2007
7112039Variable 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
7112041Device for pivotally guiding variable-pitch vanes in a turbomachine
A device for guiding pivoting of variable-pitch vanes in a turbomachine, each vane having a pivot formed by a cylindrical axial shank which is guided in a cylindrical chimney of the casing and in a cylindrical orifice of a stationary element which surrounds the outs...
09/26/2006
7037070Variable 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
7001140Centrifugal 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
6990813Apparatus for controlling variable nozzle of turbocharger
A negative feedback control operation is performed in the electronic control actuator. Thus, a motor and a gear rotate the output shaft until the actual angle signal becomes nearly equal to the target angle signal. The turn of the output shaft of the electronic cont...
01/31/2006
6910855Rotary apparatus for a gas turbine engine
Rotary apparatus (17) for a gas turbine engine (10) comprises a rotor assembly (63) and first and second stator assemblies (55, 59) mounted coaxially with respect to each other. Each vane (58, 62) has a leading edge and a trailing ...
06/28/2005
6799945Stator blade pivoting arrangement in a turbomachine
A spring (15) of angular shape is placed between the lug (17) of a connecting rod (10) controlling the orientation of a stator blade and the pivot (3) of said blade, such that its edge (18) bends against one edge face (19) o...
10/05/2004
6769868Stator 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
6474941Variable stator vane bushing
A variable stator vane assembly for a gas turbine engine including a bushing that facilitates extending a useful life of the stator vane assembly is described. The stator vane assembly includes a spacer and a vane secured to an engine casing. The bushing ...
11/05/2002
6439842Gas turbine engine stator case
A stator case for a gas turbine engine having a stator and a rotor. The rotor has a plurality of circumferential rows of blades. Each blade extends radially outward from a root to a tip. The case includes a tubular shell extending axially between a forwar...
08/27/2002
6435821Variable vane for use in turbo machines
A vane having a trunnion portion and an airfoil portion is provided with a stress reducing undercut on the trunnion portion proximate to the transition zone defined between the trunnion portion and the airfoil portion of the vane....
08/20/2002
6398491Multistage 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
6283705Variable vane with winglet
A gas turbine engine variable vane having a winglet integrally formed therewith. In one embodiment, the variable vane includes a winglet attached to one end so as to reduce endwall losses resulting from air leakage from the high-pressure side to the low-p...
09/04/2001
6174130Movable shaft assembly
A shaft assembly for movement of an array of adjustable members comprises a hollow shaft body including a shaft body wall with a wall outer surface. A plurality of spaced apart clevises, secured with the shaft body wall on the wall outer surface, each inc...
01/16/2001
6146093Variable vane seal and washer
A seal and a washer for a variable vane assembly in a turbine engine are described. The seal includes a first portion and a second portion that are substantially perpendicular. The seal is positioned between a variable vane and a casing. The washer is sub...
11/14/2000
6092984System 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
6050775Radial-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 with sealing discs on their longitudinal sides running at rig...
04/18/2000
6039534Inlet guide vane assembly
An inlet guide vane assembly for a centrifugal compressor includes a guide vane housing having an inlet side for receiving a fluid passing through the compressor at a first flow angle, an outlet side remote from the inlet side and a central axis extending...
03/21/2000
5692879Control device for a stage of blades with variable pitch
Device for controlling pivoting blades or variable pitch blades (3) in a turbine in which the control ring (10) rotates under the effect of an angled cam (15) controlled by a system with a connecting rod (22) and crank (21). This system imposes a non-li...
12/02/1997
5672047Adjustable 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 form an annular fluid flow path. A plurality of rotatable...
09/30/1997
5651661Multi-stage rotary fluid handling apparatus
Rotary fluid handling apparatus employing a wheel to provide multi-stage compression or expansion. A wheel having a first set of vanes includes a shroud about those vanes with a second set of vanes outwardly of the shroud. One set of vanes provides for lo...
07/29/1997
5636968Device for assembling a circular stage of pivoting vanes
A device for assembling a circular stage of pivoting vanes and composed of a ring for retaining bushes in which the pivots of the vanes rotate. The ring is composed of sectors extending between the pivots and connected together by a circular rail. A furth...
06/10/1997
5549448Variable stator vane linkage system and method
The linkage system for the variable vane stators includes a pumphandle driven by the linear actuator and a cooperating pumphandle slider bracket where the slider bracket includes a machined hard coated stop for limiting travel of the pumphandle when the v...
08/27/1996
5460484Air 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 shaft so as to provide air for the impeller. Further prov...
10/24/1995
5387080Rotationally guided control ring for pivotable vanes in a turbomachine
A control ring for a stage of pivotable vanes on the stator of a turbomachine carries a plurality of adjustable shoes for contacting a circular surface to set and maintain the coaxiality of the control ring during rotation thereof to pivot the vanes. The ...
02/07/1995
5224820Operating mechanism for variably settable blades of a turbomachine
In a turbomachine in which the stator includes at least one stage of pivole blades and a ring which is movable axially to operate the levers which rotate the blades, the ring is moved by varying the pressure of gas which is contained in sealed chambers a...
07/06/1993
5190439Variable 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 IGV vane row. The non-linear schedule is conveniently achie...
03/02/1993
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