A turbo machine includes a turbo stator having a shroud, a turbo rotor having an impeller within the shroud, a brush seal between the impeller and the shroud, and at ^ least one vane extending from the shroud toward the impeller upstream of the brush seal.

A stator blade ring for the last stage of a multi-stage steam turbine includes a plurality A of stator blade modules defining an annular chamber, each stator blade module including an elongated blade portion. The elongated blade portion further includes a longitudinal passageway and an inner portion brazed to a f...

Systems and methods for generating transfer functions associated with calculating local stresses on pipe elements by post processing forces and moments of a pipe model representing the piping system. The transfer functions are reusable and allow recalculation with different sets of user data without requiring regene...

A system is described, for recovering energy in a gas compression plant comprising: at least one centrifugal compressor (10) capable of sucking the gas, at a certain inlet pressure, from a suction conduit (14) and of delivering the gas, at a certain outlet pressure that is greater than such an inlet pressure, throug...

A motor (40) includes a casing (42) having a cavity a stator (48) configured to be attached to an inside of the cavity an elastic cone (62) configured to be attached to a first end of the casing (42) a rigid cone (60) configured to be attached to a second end of the casing (42) that is opposite to the first end a no...

A compressor end head (200) for providing a thermal barrier near a mechanical seal includes an inner end head (210) and an outer end head (220). The outer end head (220) includes an opening (221) in the center for enclosing the inner end head (210), an outlet (224) and grooves (225) alongside surfaces radially ad...

Method and unit for generating energy with improved efficiency. A brayton cycle unit includes a multistage compressor configured to compress a flowing medium; a first heat exchanger fluidly connected to the multistage compressor and configured to transfer heat from a working medium passing the first heat exchanger t...

Devices and methods provide for an impeller for use in a compressor. A method for manufacturing the impeller includes: attaching an intermediate layer to a base metal by placing a first metal powder into a gap between a first insert and the base metal; processing with hot isostatic pressing the base metal, the first...

A device and computer based method for determining a residual life expectancy of a rotor of a gas turbine. The method receiving at the computer operating conditions of the gas turbine; receiving a gas turbine rotor inspection result; updating based on the operating conditions of the gas turbine and the gas turbine r...

A method and cooling system that cools a power stack in a power conversion apparatus. The liquid cooling system (80) includes a first cooling stage (82) that includes first cooling components wherein the first cooling components are connected to form parallel cooling branches (86a 86n); a mixing manifold (84) config...

A turbomachine includes an expander; a central region having a first end attached to the expander; a compressor attached to a second end of the central region; an electrical device provided inside the central region; and an electrical connection including a first part and a second part, the first part being configur...

Methods and apparatuses for detecting corrosion in one or more blades of a gas turbine system includes a detection head having a shape that conforms to a surface geometry of a filet section of a gas turbine blade, whereby the detection head is operable to move along the axial length of the filet section for detectin...

A rotary machine includes a machine rotor a machine stator a labyrinth seal disposed between the machine rotor and the machine stator a dry gas seal disposed between the machine rotor and the machine stator the dry gas seal being disposed downstream of the labyrinth seal the labyrinth seal including a labyrinth seal...

Apparatus and method for integrating an actuator into turbo machinery and operating the actuator based on process fluid associated with the turbo machinery. The integrated actuator mechanism (204) includes an actuator casing; a balance drum (218) with labyrinth seals (214) and recovery spring (212) configured to app...

An aeroderivative gas turbine is described comprising a gas generator (20) a gas generator rotor a power turbine section and a slow turning device (33) wherein said slow turning device is designed and arranged to keep said rotor in rotary motion after turbine shut down.

An accelerometer (14) includes a metal housing (16) and at least one of an integrated piezoelectric sensor and an integrated electronic piezoelectric (IEPE) amplified sensor within the housing. A metal boot (36) extends from the housing and a plurality of sensor wires extends from the sensor into the boot. The accel...

Method and nozzle adjustment mechanism (50) for adjusting a flow of a fluid. The nozzle adjustment mechanism (50) includes a fixed ring (52); at least a vane (56) connected to the fixed ring (52) by a pivot pin (70) and configured to rotate with the pivot pin (70); an adjusting ring (54) rotatably connected to the f...

Apparatuses and methods overcoming the technical challenges in actuating valves of reciprocating compressors used in oil and gas industry are provided. A valve assembly (400) includes (1) an actuator (410) configured to provide a displacement (2) a shaft (430) configured to transmit the displacement from the actuato...

Apparatuses and methods overcoming the technical challenges in actuating valves of reciprocating compressors used in oil and gas industry are provided. A valve assembly includes an actuator a shaft a collar and a thrust bushing. The actuator is configured to generate a displacement. The shaft configured to receive a...

Systems and methods for transforming solar energy into mechanical and/or electrical energy by using an ORC fluid in an ORC cycle configuration. The ORC cycle configuration includes a first solar heat source that transforms the ORC liquid into saturated ORC liquid and a second solar heat source or another source that...

Method and rotor for a compressor. The rotor includes a solid first stub having a first end configured to engage with a corresponding bearing and a second end having a flange configured to be attached by bolts to a corresponding flange of a first impeller of the compressor; a tie rod configured to pass through the f...

A Method and machine tool for compensating a wear of an electrode that machines a workpiece. The method includes selecting a current pocket from plural pockets of the workpiece; updating a wear compensation to be applied to the electrode for the current pocket based on wear compensation of a previous pocket, where t...

Method for making and machine having a fixed part (48) including a portion with a smooth surface, a rotating part (32) configured to rotate relative to the fixed part, the rotating part (32) directly facing the portion of the fixed part (48); and plural ridges (72) formed on the portion of the fixed part (48) direct...

Method and system for power generation including a turboexpander with at least two expansion stages, the turboexpander being connected to a power generation unit. The system includes a controller configured to control (i) an angle of a first inlet guide vane provided at an inlet of a first expansion stage of the tur...

A natural gas liquids (NGL) recovery system and method for separating NGLs from a feed gas is provided. The method includes receiving the feed gas; increasing a pressure of the feed gas by running the feed gas through a compressor connected to a gas turbine; diverting part of the feed gas from an output of the compr...

Systems and methods according to these exemplary embodiments provide for electrically connecting magnetic bearings in a turbomachine to external connectors. A method includes: welding or brazing a first connector to a first end of a first electrical cable, wherein the first connector is welded or brazed to both an i...

Methods for coating a substrate with wear resistant particles by electroless nickel (Ni) plating. A method includes immersing the substrate in a bath provided in a cell, the bath having a Ni salt; adding cubic Boron Nitride (cBN) particles having a predetermined size to the bath so as to produce a predetermined conc...

A Gas turbine, computer software and a method for controlling an operating point of the gas turbine that includes a compressor, a combustor and at least a turbine are disclosed. The method includes a step of determining an exhaust pressure at an exhaust of the turbine; a step of measuring a compressor pressure disch...

Gas turbine and method for controlling an operating point of the gas turbine that includes a compressor, a combustor and at least a turbine. The method includes calculating an exhaust temperature reference curve of the turbine as a function of a turbine pressure ratio; determining whether condition IGVmin + ΔlGV1 ≤ ...

A turboexpander-compressor system includes an expander configured to expand an incoming gas, a first set of moveable inlet guide vanes configured to control a pressure of the incoming gas, a compressor configured to compress a gas received from the expander, a shaft configured to support and rotate an expander impel...

A gas turbine (400) includes a liner (410, 820, 920, 1020, 1120), a casing (810 ,910,1010,1110) surrounding the liner, a hula seal (420) flexibly connected to an aft end of the liner (445) and a liner aft support mechanism (440). The liner is configured to receive compressed gas and fuel at an upstream end, the mixt...

An integrated high-pressure compression unit for a process fluid comprising at least the following: a first compression device (C) able to compress the process fluid from a essentially gaseous initial thermodynamic state (Pi, Ti) to an intermediate thermodynamic state (PI; Tl); a second compression device (P) conn...

The tool (1) comprises an interchangeable cutting portion (5) and a holder (3) to which said interchangeable cutting portion (5) is adapted to be replaceably mounted. The interchangeable cutting portion (5) comprises a first part (5A) with at least one cutting edge (25) and a second part (5B) for connection to th...

A method (700) of decreasing a transition time through a speed range that is unsafe for an integrity of a first expander (110), by automatically biasing a speed of a second expander (120) that receives a fluid flow output from the first expander (110) when the current speed of the first expander is within a bias app...

Apparatus and method for creating a compact inlet guide vane system and reducing the force required to operate the inlet guide vane system. Components of the inlet guide vane system, including but not limited to an actuation rod, actuation ring, crank rods, cranks and the associated connectors and bushings are assem...

Method and system for compressing a fluid in a gas phase and for pumping the fluid in a dense phase. The system (10) includes a compressor part (12) having an impeller; a compressor part inlet (32) that receives the fluid in the gas phase; a compressor part outlet (36) that provides the fluid in the gas phase; a tem...

A torsional mode damping controller system connected to a converter that drives a drive train including an electrical machine and a non electrical machine. The controller system includes an input interface configured to receive measured data related to variables of the converter or the drive train and a controller c...

A torsional mode damping controller system is connected to a converter or placed inside the converter. The converter is driving a drive train including an electrical machine and a non electrical machine. The controller system includes a first input interface configured to receive a first digital signal from a first ...

A torsional mode damping controller system is connected to a converter that drives an electrical machine mechanically connected to a train. The controller system includes an input interface configured to receive measured data related to variables of the converter or the electrical machine and a controller connected ...

Devices, systems and methods according to exemplary embodiments provide blades, e.g., as part of a rotor or a stator associated with a turbo machine, with particular shapes to optimize operating characteristics. Among other things, blade thickness as a function of blade height can be tailored to operating characteri...

Method and device for lubricating a connection. A housing (80) is configured to house a crankshaft adapter (48) that connects an oil pump (32) to a compressor (30). The housing (80) includes a shell (91) forming a round cavity (86) configured to receive the crankshaft adapter (48); an oil feed conduit (82) configure...

A centering device includes a pivoting part configured to pivot around a first axis that extends along an axial direction of a hole formed in the pivoting part; a roller attached to a first end of the pivoting part and configured to rotate; a rod attached to a second end of the pivoting part and configured to move a...

Systems and methods provide for reducing motion which causes wear in a combustor. The method includes attaching a first end of a combustor liner (404) to a retainer (402) which encircles the first end of the combustor liner (404); attaching the retainer (402) to a combustor casing (406), wherein the retainer (402) a...

A method for assembling turbomachinery having combined particle separation device and flow regulating device is provided. The turbomachinery includes a casing; a compressor attached to an inside of the casing, the compressor having a shaft supported by bearings; and a cooling system mounted inside the casing and con...

A torsional mode damping controller system is connected to a converter that drives a drive train including an electrical machine and a non electrical machine. The controller system includes an input interface configured to receive measured data related to variables of the converter or the drive train and a controlle...

Systems and methods provide for cooling air in a power generation system. The system includes: an air handling unit configured to receive air, to cool the air and to remove moisture from the air; a first compressor fluidly connected to the air handling unit and configured to receive the air from the air handling uni...

Method, pad and bearing device for oil redistribution. The bearing device includes a ring having at least one retaining head, at least one pad disposed inside the ring and having a bottom recess portion configured to receive the at least one retaining head, an oil distribution mechanism configured to inject oil at a...

Method, retention mechanism and bearing device for retaining at least one pad inside the bearing device. The bearing device includes a ring having at least a retaining head, at least one pad disposed inside the ring and having a bottom recess portion configured to receive the at least a retaining head, the at least ...

Coating and method for providing a self-lubricated coating on a substrate. The method includes spraying with an inert gas at least a layer of liquid metal on the substrate; adding a compound to the liquid metal while being sprayed on the substrate; forming a porous layer on the substrate that includes the metal and ...

Methods (400) and devices (140, 150) for performing a model based anti¬surge dead time compensation in systems (100) including a compressor (110) and an anti-surge loop (120) are provided. A new position of an anti-surge valve (130) on the anti-surge loop (120) is determined by correcting for dead time a value of th...

Methods and devices for performing a low torque low speed test to determine whether a rotor of a turbomachinery is free to rotate are provided. A method includes automatically applying a torque to the rotor, the torque gradually increasing up to a predetermined torque value. The method further includes monitoring th...

An operation method for a gas turbine including: compressing a working fluid by means of a compressor; feeding this compressed working fluid into at least one combustion chamber where it is overheated; expanding this overheated working fluid in at least one expansion turbine to produce energy; carrying out a first t...

Impellers made of composite materials with flow path cavities covered by an erosion resistant coating (20) are manufactured by covering removable molds (10) having shapes corresponding to a negative geometry of the flow path cavities with the erosion resistant coating using plating or thermal spraying. After shaping...

A gas turbine (33) is described, comprising at least a compressor (43), a power turbine (47), a load coupling (35) connecting said gas turbine (33) to a load (37), a load-coupling guard (65) at least partly surrounding the load coupling (35), a cooling air channeling (51, 61, 63) designed and arranged to circulat...

Method and impeller for a turbo-machine. The impeller includes a metallic base (1502) having a central hole, a back surface (1502b) and a front surface (1502a) opposite to the back surface (1502b); plural blades (1504, 1506) extending on the front surface (1502a) of the metallic base (1502); a composite shroud (1508...

System and method for automatically determining a final set of tuning/calibration parameters for designing a new turbo machinery. The method includes inputing an initial set of tuning/calibration parameters; calculating family turbo machinery quantities based on the initial set of tuning/calibration parameters; comp...

A compressor comprises at least one rotating rotor and a static stator. The rotor and the stator are subject to radial vibration and axial vibration during operation of the compressor. It is useful to detect the phenomenon known as "rotating stall" in the compressor as, for example, it is an indicator of an incip...

Apparatuses and methods for constructively use pressure pulses to enhance the volumetric efficiency of a reciprocating compressor are provided. An apparatus includes a gas circulation device and a controller. The gas circulation device provides a path through which the gas circulates between a reciprocating compr...

A power plant (1) comprising: - a thermal machine (2); - an inlet duct (3) for delivering a combustive first fluid in said thermal machine (2) and a ventilation circuit (4) for delivering a cooling second fluid to said thermal machine (2), the first and/or the second fluid including water therein; wherein the ...

A turbomachine includes a compressor (102) having a cartridge (114) that is configured to slide in and out of an external casing (112). The turbomachine further includes an electrical motor (104) having a motor shaft (108) configured to be connected to the compressor shaft (106). A conduit (124, 212) is configured t...

A motor compressor system in which the motor is configured to activate the compressor. The system includes a common casing; a motor cartridge housing a motor, the motor cartridge detachably provided inside the common casing; and a compressor cartridge housing a compressor detachably connected to the motor, the compr...

Protection device (10) for a stator of a gas turbine of the type comprising a series of sectors (12) constrained to each other by connection means, each sector (12) has at least one cavity (14) having a bottom (15), in correspondence with at least one cavity (14), a corresponding sheet (20) equipped with a series of...

A device (30) for optimizing the cooling in a gas turbine of the type comprising at least one compressor, equipped with a combustion chamber (10) and an outer casing (16) and inner casing (32), at least one turbine wheel (14), equipped with a series of blades 12), and at least one high-pressure rotor (38), equipped ...

Blade (1) of a rotor for a first phase of a gas turbine having a profile identified by means of a series of closed intersection curves (20) between the profile itself and planes (X,Y) lying at distances (Z) from the central axis, each closed curve (20) has a first rounded end (21) and a second rounded end (22), whic...

A poppet valve is disclosed that includes a valve body, a poppet guide disposed inside the valve body so as to form a flow passage from an inlet to an outlet of the valve, a poppet shutter disposed inside the poppet guide, and a biasing member to bias the poppet shutter away from the poppet guide toward an inside su...

A poppet valve (50) is disclosed that include a valve body (11), a poppet guide (16) disposed inside the valve body (11) so as to form a flow passage from a flow inlet to a flow outlet of the valve (10), a poppet shutter (54) disposed inside the poppet guide (16), and a converging-diverging flow passage (68) formed ...

A crank mechanism for a reciprocating compressor is described, which can be of the double acting type or of the type provided with opposite single acting cylinders (26A, 26B) . The crank mechanism is made up of a crank shaft (10) that, through a connecting rod (12), transforms its rotary motion into reciprocating mo...

A sand based mold (18) and method for casting a device (10) having a cavity (16). The sand based mold (18) includes a core part (24) including grains of sand bonded with a resin, where a shape of the core part (24) fits a shape of the cavity (16) of the device (10), and a first pipe (36) embedded into the core part ...

Turbogenerator (10) comprising a turbine (20), an electric generator (30) directly connected to said turbine (20), a static frequency converter (40) connected to said electric generator (30) and associated with an electric system (90), the turbogenerator (10) comprises a single lubricating device (75) for the turbin...

Turbogenerator (10) comprising a turbine (20), an electric generator (30) directly connected to said turbine (20), a static frequency converter (40) connected to said electric generator (30) and associated with an electric system (90), the turbogenerator (10) comprises a single cooling device (60) for the turbine (2...

Method for laterally replacing a heavy component (10) of a plant assembly, the method including disconnecting the heavy component (10) from other components (20) of the plant assembly and from a base plate (40) to which the heavy component (10) is fixed; lifting the heavy component (10) above the base plate (40) wit...

System and method for determining a susceptibility of a sample (26) of material, which includes a welded area (20), to reheat cracking. The method includes measuring a length of the sample (26), applying a first stress to the sample (26) to achieve a predetermined elongation of the sample (26), exposing the elongate...

Convex sealing bottom (10) for a twin-shaft turbine of the type comprising a series of convex disks constrained to each other by means of a series of pins, each disk of said disks comprises an outer shaped edge which is engaged with a corresponding annular surface (71) of an inner grooved surface (72) of a ring (70)...

Connection means (10) between the rod (20) and cross head (30) for a reciprocating machine comprising a flange (35) fixed by fixing means (37) to the cross head (30), the rod is connected to a piston (70) sliding inside a cylinder (60) of the reciprocating machine, the flange (35) comprises an axial pass-through hol...

Vapour turbine operating with geothermal vapours containing corrosive agents or aggressive substances such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades and a series of rotor blades, each stator blade of the series of stator blades comprises a surfacing consisting of a n...

Turbogenerator (10) comprising a turbine (20), an electric generator (30) directly connected to said turbine (20), a static frequency converter (40) connected to said electric generator (30) and associated with an electric system (90), the turbogenerator (10) comprises a single control and driving device (85) for th...

A rotor for traction engines, in particular of a first phase of a vapor turbine, comprising a series of blades (12) arranged circumferentially on the rotor by the interposition of a base portion (18) formed in a single piece with the blades (12), on the opposite portion of the blades (12) with respect to the base po...

Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of rotor blades made of a nickel alloy containing a quantity of nickel ranging from 55% to 59% by weight to avoid the washing of the geothennal vapours, maintai...

Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of sealing laminas made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to avoid the washing of the geothermal vapours, main...

Methods and systems providing for characterizing turbine blades, including characterizing the dynamics of one or more turbine blades or stages of a stage in terms of natural frequencies, normalized response intensity, and/or stage modal shape or nodal configuration. Such methods and systems comprise fluid (e.g., oil...

An anchorage system is described for a rotor (18) of a rotating fluid machine (10). The rotor (18) has a profile which comprises a first front surface (24) substantially concave and a second rear surface (26) substantially convex, opposite to the first front surface (24). The rotor (18) also has a central portion (2...

Turbogenerator (10) comprising a turbine (20), an electric generator (30) directly connected to said turbine (20), a static frequency converter (40) connected to said electric generator (30) and associated with an electric system (90), the turbine (20) and the electric generator (30) are constrained to a single meta...

Exemplary embodiments provide a surface of a rotating element with both a phase reference mark and a plurality of additional marks. A proximity probe detects the passage of both the phase reference mark and the plurality of additional marks as they rotate through a detection zone. Both a phase reference signal and a...

Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to avoid the washing of the geothermal vapours, mainta...

A method to produce a turbomachinery impeller, which includes, at least, the following steps: creation of the impeller using a light alloy, coating of the impeller with a nickel-plating coating.

Method and impeller cover [50] for protecting an impeller [14] from damage. The impeller cover [50] includes a removable body [50] having a first face [52] and a second face [54] opposing the first face [52], the second face [54] being configured to match a front face [14a] of the impeller [14] of the compressor [10...

A nickel-based superalloy particularly suitable for the fabrication of mechanical components for a piece of turbomachinery characterized in that it comprises at least the following elements in percentage by weight: chromium between 3% and 7%; tungsten between 3% and 15%; tantalum between 4% and 6%; aluminium betw...

Overhung axial compressor (58), chemical reactor (130) and method for compressing a fluid. The overhung axial compressor (58) includes a casing (60) configured to be vertically split along a vertical axis (72) for access to an inside of the casing (60) and a removable cartridge (62). The removable cartridge (62) is ...

The invention describes a packing cup (22) for the cylinder (10) of a reciprocating compressor. The packing cup (22) is formed from a first outer disc (28) and from a second inner disc (30), concentric to the first outer disc (28) and inside which a seat is formed for at least one sealing element for the piston (...

Protection device (10) for a stator of a turbine of the type comprising a series of annular sectors (12) constrained to each other by means of connection means, each sector of said series of sectors (12) comprises a first surface (13), suitable for contacting the stator which has at least one cavity (14) for the coo...

Systems and methods for transforming solar energy into mechanical and/or electrical energy by using an ORC fluid in an ORC cycle configuration. The ORG cycle configuration includes a heat source that vaporizes the ORC fluid and an expander that expands the vaporized ORC fluid to produce the energy. ...

Method and gap analyzer device configured to determine a gap in a turbo-machine. The gap analyzer device includes a housing configured to receive a rechargeable battery; a voltage multiplier unit configured to increase a voltage of the rechargeable battery to a predetermined value; a voltage stabilization unit confi...

Herein described is a system for injecting and extracting gas for a fluid rotating machine (10) of the type comprising at least one stator case (12), one first stage (20) which receives the gas flowing into the machine (10) , one final stage (24), downstream of which the gas is discharged from the machine (10), and...

A threaded joint (200) includes a flange (230), a nut (240) and a flexible seal (250). The flange (230), the nut (240) and the flexible seal (250) have threads on respective inner surfaces, the threads having shapes complementary to threads on an outer surface of a stem (220). The flange (230) is configured to allow...

Methods (200, 555), devices (160, 400) and systems (100) capable of performing a hot restart of a compressor (120) driven by a turbine (110) are provided. The turbine (110) has a high speed shaft (130) and a low speed shaft (140) connected to the compressor (120). A base slow roll speed at which a speed of the low s...

Systems and methods include using a pull stud bolt for connecting a tool holder to a collet in a spindle. The pull stud bolt includes a body configured to receive a tool holder, the body having a longitudinal passage fluidly connected to a cavity, the cavity fluidly connected to a plurality of longitudinal channels;...

A method (1200) of controlling a transition time through a speed range that is unsafe for an integrity of a second expander (120) that receives a fluid flow from a first expander (110), by automatically biasing a speed of the second expander (120) when the current speed of the first expander is within a bias applica...

An actuation system includes a driving ring configured to rotate and having a groove on an internal face facing a central point of the driving ring; at least a linkage attached with a first end to an inside of the groove; and at least a lever arm attached to a second end of the at least a linkage. At least a portion...

Method and turbomachine for imparting energy to a multiphase fluid. The turbomachine includes a casing having an inlet and an outlet; an axial stage part including at least one axial stage; a mixed-flow stage part including at least one mixed-flow stage fluidly connected to the axial stage part; and a centrifugal st...

A torsional-mode damping system includes a torque sensor, a torsional damper connected to the torque sensor, a VFD controller connected to the torsional damper, and a VFD converter connected to the VFD controller, the VFD converter being configured to control an electric power supplied to the electric motor based on...

A method and system for testing a compressor are described. To perform a similitude test, a substitute for HFC-134a is selected. The substitute test gas is used, either in purity or in a mixture with other gases, to test the compressor in accordance with ASME PTC-10 tests. The substitute test gas can, for example, h...

Methods and devices useable in turbo-engines premixing of compressed air and fuel are provided. A premixer has a mixing part configured to receive a gas flow input in a flow direction and fuel injected substantially perpendicular to the flow direction. The mixing part has a rim configured to define a substantially c...

Systems and methods include heat exchangers using Organic Rankine Cycle (ORC) fluids in power generation systems. The system includes a heat exchanger configured to be mounted inside an exhaust stack that guides hot flue gases and having an inlet and an outlet, the heat exchanger being configured to receive a liquid...

A centrifugal impeller for a turbomachine characterized in that it comprises a plurality of aerodynamic vanes (13), each of them (13) having internal walls on which is associated a fabric element (1A; 1B; 1C; 4; 5; 6; 7; 37).

Systems and methods include heat exchangers using Organic Rankine Cycle (ORC) fluids in power generation systems. A system for power generation using an Organic Rankine Cycle (ORC) includes: a heat exchanger configured to be mounted entirely inside a duct, the heat exchanger being configured to include a single inle...

A mold to build a centrifugal impeller for a turbomachine characterized in that it comprises at least an annular insert (110) able to reproduce an annular assembly of aerodynamic vanes (13) of a finished impeller; said annular insert (110) being used to form aerodynamic vanes (13) and such that it can be readily rem...

EXHAUST TEMPERATURE BASED MODE CONTROL METHOD FOR GAS TURBINE AND GAS TURBINE Abstract of the Invention Gas turbine and method for controlling an operating point of the gas turbine that includes a compressor  a combustor and at least a turbine. The method includes calculating an exhaust temperature reference curve...

A compressor unit for processing a working fluid comprising a compressor (3) inside a housing (7) to compress the working fluid wherein a collection chamber (19) is fluidly coupled with a working fluid inlet (71) of said housing (7).

A differential pressure valve is disclosed, comprising: a valve body (111), said valve body having at least one flow inlet (118) and one flow outlet (120); at least one shutter (112), said shutter being movable between an open position and a closed position under a differential pressure across the valve; a flow pass...

Controller, gas turbine, and method for auto-tuning a combustion system of a gas turbine. The method includes selecting a first tuning curve from a set of tuning curve for the gas turbine; unbalancing a stable operating point of the gas turbine by modifying one or more operational parameters based on a predefined re...

Method and integrated pressure compensating heat exchanger. The integrated pressure compensating heat exchanger includes an inlet configured to input an internal fluid; a first conductive bellows connected to the inlet, configured to accept the internal fluid from the inlet, configured to transfer heat between the i...

AN APPARATUS FOR DRIVING A LOAD IS DISCLOSED. THE APPARATUS INCLUDES A MULTIPLE-SHAFT GAS TURBINE (103) COMPRISING: A HIGH PRESSURE COMPRESSOR (107) AND A HIGH PRESSURE TURBINE (109) DRIVINGLY CONNECTED TO ONE ANOTHER BY A FIRST GAS TURBINE SHAFT (113); A LOW PRESSURE COMPRESSOR (105) AND A POWER TURBINE (111) DRIV...

Apparatus and method for determining non-extrapolated empirical data associated with the performance characteristics of a compressor in the operating region where the head approaches zero or becomes negative. A test loop is created where an auxiliary compressor is connected to a test compressor in a loop, input ...

A carbon dioxide compression system comprising is disclosed. The system comprises a plurality of compressor stages (l, 2, 3, 4, 5, 6) arranged in series for sequentially compressing a carbon dioxide containing gaseous flow. Between at least some of sequentially arranged compressor stages an inter-stage heat excha...

Systems and methods provide for component surface physical property enhancement. A component surface physical property enhancement system includes: a component configured to receive a coating; a mirror component configured to be removable, wherein the mirror component has at least one coated surface which substan...

Reciprocating compressors used in oil and gas industry having valve assemblies in which valve closing members are attached to counter-seats and related methods are provided. A valve assembly includes an actuator providing a linear motion and a valve having (1) a valve seat configured to allow a fluid to flow thro...

A seal for a turbo machine is provided. The seal includes a plurality of honeycomb cells, at least one circumferential groove within the plurality of honeycomb cells, and at least one swirl brake within the at least one groove.

The automatic valve comprises a valve seat (52) with first gas flow passages (58) extending there through and a valve guard (54) having second gas flow passages (66) extending there through. Sealing rings (60) are arranged between the valve guard and the valve seat. A removable seat plate (68) is removably connected...

Methods, systems and controllers for detecting a surge event based on pattern of evolution of a discharge pressure of a compressor, and for relocating a surge margin relative to a surge parameter value recorded at the beginning of the surge event are provided. A controller has an interface configured to receive valu...

A stuffing box casing (22) for a cylinder (10) of a reciprocating compressor comprises a first outer disc (28) and a second inner disc (30) , concentric with respect to the outer disc (28) and therewithin a seat for at least a piston (10) sealing element is formed. At least a part of the stuffing box casing (22) is ...

Herein described is a method for obtaining a protective coating (10) on a surface to be treated (16) of a light alloy mechanical component (12) of a turbomachine. The method is characterised in that it comprises the following steps: associating a first coating layer (14) resistant to corrosion on the surface to be t...

Devices systems and methods according to exemplary embodiments provide diffusers e.g. as part of a turbo machine 300 with diffuser vanes having S shaped camber lines 408. Such S shaped camber lines 408 are defined by functions having an inflection point. Using diffuser vanes 400 having such shapes results in among o...

Systems include using a turboexpander in power generation systems. The system includes: a turboexpander to include an expander section, a pump section and a motor-generator section which are mechanically linked via a shaft. The expander section is fluidly connected to an outlet side of a heat exchanger and configure...

A turbo compressor train (100) and a method for assembling a turbo compressor train. The train includes a gas turbine engine (102 104 106) configured to transform thermal energy into mechanical energy; a centrifugal compressor (112) having a shaft (110) connected to a shaft (108) of the gas turbine engine; and a sin...

Systems and methods include using a subsea machine for separating a mixture received from a seabed well. The subsea machine includes: a chamber configured to receive and separate by gravity the mixture received from the seabed well. The chamber includes: a housing configured to contain the mixture received from the ...

A multistage centrifugal turbomachine (1) comprising:  a rotor assembly (3) including a shaft (4) carrying a first and a second impeller (1 0 11);  a stator (2) including a passage (5) for a fluid flowing from an outlet side (10b) of the first impeller (10) to an inlet side (11a) of the second impeller (11); the pas...

Actuator devices 300 useable to change orientation of one or more vanes and related methods separating a first fluid at one end of an actuator 310 rod and a second fluid at an opposite end of the actuator rod are provided. An actuator device includes the actuator rod and an actuator device body 320 configured to all...

Methods and thermowell systems that can be uses in high dynamic pressure environments. A thermocouple system includes a thermowell configured to enter a structure through which a medium flows; an elongated probe provided partially inside the thermowell and configured to measure a temperature; at least one o ring dis...

A sealing system (200) for a centrifugal compressor includes a stator (220) having a seal housing (230) a seal (223) disposed in the seal housing (230) and having an abradable portion (225) along an inner circumference a rotor (210) having a plurality of rotor teeth (215) configured to rotate within the inner circum...

Systems and methods for attaching one or more impellers to a shaft and attaching composite rings to a back and front lip on each impeller to secure the impellers for high angular velocity operation. The composite rings are constructed of a material that provides a greater specific strength and greater specific stiff...

Method and system for a rotary machine, e.g., a back-to-back compressor. A first section includes a first inlet duct, at least one first impeller and a first outlet duct. A second section includes a second inlet duct, at least one second impeller and a second outlet duct. The first section and second section share a...

System and method for controlling a stuck nozzle system installed between first and second turbines connected in series to a compressor. The method includes determining whether the nozzle system is stuck; instructing the first turbine to increase a minimum speed reference when the nozzle system is stuck; verifying w...

Systems and methods according to these exemplary embodiments provide sealing mechanisms for centrifugal compressors. A sealing mechanism includes first, second and third dry gas seals arranged in series. Each seal receives its own sealing gas and has its own venting mechanism. Sealing gas pressures remain low enough...

Systems and methods for dynamically balancing axial loads in centrifugal compressors (10) to reduce residual axial loads on the bearings (20) used therein are described. A sensor or probe (42) detects a parameter associated with the axial load acting on the bearing (20). Based on the detected parameter the pressure ...

Systems and methods provide for wear reduction in a combustion system of a gas turbine. A system for wear reduction includes: at least one substantially H shaped block ( 202 ) the substantially H shaped block ( 202 ) being configured to secure a transition piece ( 10 ) of a gas turbine combustor to a support piece; ...

Systems devices and methods according to these exemplary embodiments provide couplings or interfaces usable for example in the high speed balance testing of rotors. A coupling (40) includes a main body portion (46) having an extended thin portion (51) therein which is configured to fit a shaft (55) of the balancing ...

Method system and computer software for diagnosing a compressor. The method includes generating a feature vector of the compressor the feature vector of the compressor including components describing states of various parts of the compressor; determining based on fuzzy constraints an aggregated anomaly vector corres...