Produits et services

Scientific apparatus and instruments; Measuring sensors; Measuring instruments; Measuring apparatus; Annunciators; Monitors; Control circuits; Plugboards; Inspecting apparatus and instruments; Transmitters for emitting distress signals; Mechanical life saving apparatus; Life-saving apparatus and instruments; Apparatus and instruments for controlling electricity; Apparatus and instruments for accumulating electricity; Apparatus and instruments for switching electricity; Apparatus and instruments for transforming electricity; Apparatus and instruments for regulating electricity; Apparatus and instruments for conducting electricity; Sound recorders; Sound processors; Sound reproduction apparatus; Sound transmitting apparatus; Audio amplifiers; Sound recording apparatus; Digital recording media; Calculators; Software; Apparatus for the processing of images; Apparatus for recording images; Apparatus for the reproduction of images; Apparatus for the transmission of images; Apparatus for broadcasting sound, data or images; Sound and picture recording apparatus. Research services; Industrial analysis and research services; Computer hardware development; Science and technology services; Industrial design; Engineering drawing; Engineering design; Design services relating to computer hardware and to computer programmes; Software design and development; Developing and updating computer software; Design of computer hardware; Design and development of computer hardware; Rental of computer hardware and computer software; Computer system analysis.

Abrégé

A hybrid plant for producing electrical energy is configured to be connected to an electrical grid. The hybrid plant includes at least one programmable energy source; at least one energy storage assembly configured to selectively store or release electrical energy; and a control device configured to a control the energy storage assembly to selectively release a calculated reference integrating load when a programmable energy source reference load is lower than a plant net load reference value, or to store the calculated reference integrating load when the programmable energy source reference load is greater than the plant net load reference value.

Classes IPC  ?

• H02J 3/28 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie
• G06Q 50/06 - Fourniture d’énergie ou d’eau
• H02J 3/46 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs

Abrégé

A combustion chamber (3) for a power plant gas turbine assembly (1) wherein the combustion chamber comprises an outer casing (7) and a plurality of heat shielding tile devices (8) supported by the outer casing; wherein at least one shielding tile device comprises: a metallic tile body (9) having an inner face (10) configured for facing the hot gas flow inside the combustion chamber and an opposite outer face (11) configured for facing a plenum (14,15) obtained between the outer casing and the metallic tile body and fed by cooling air; a first plurality of first cooling pipes (12) fed by the cooling air wherein the first cooling pipes are arranged parallel each other forming a first layer (16) on the outer face of the metallic tile body; a second plurality of second cooling pipes (13) fed by the cooling air wherein the second cooling pipes are arranged parallel each other forming a second layer (17) on the first plurality of first cooling pipes.

Classes IPC  ?

• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
• F23R 3/06 - Disposition des ouvertures le long du tube à flamme

Produits et services

Scientific apparatus and instruments, Research apparatus and instruments, Apparatus and instruments for surveying, Photographic apparatus and instruments, Audio visual apparatus arid instruments, Optical apparatus and instruments, Weighing apparatus and weighing instruments, Measuring apparatus and instruments, Signalling apparatus and instruments, Detecting apparatus and instruments, Testing apparatus and instruments, Inspection apparatus and instruments, Lifesaving apparatus and instruments and Apparatus and instruments for teaching; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Apparatus and instruments for recording, transmitting, processing or reproducing sound, data or images; Recorded or downloadable media, computer software, blank digital or analogue media recording and storage media; Calculators; Computers and computer peripheral devices; any of the aforesaid goods in relation to the following goods: Energy generating equipment, in particular Turbines and/or Power supply units. Construction services; Installation and repair works in relation to the following goods: Turbines, Microturbines, Gas turbines, Steam turbines, Electrolysers, Compressors, Burners, Batteries, Energy storage plants, Power generators, Installations for the generation of electric energy; Mining extraction, Oil and gas drilling; all the aforesaid services in relation to the following goods: Energy generating apparatus, in particular Turbines and/or Generators. Scientific and technological services and research and design relating thereto; Industrial analysis, of industrial research and of industrial design; quality control and authentication services; Design and development of computer hardware and software; All the aforesaid services relating to the following goods: Energy generating apparatus, in particular Turbines and/or Generators.

Produits et services

Scientific apparatus and instruments, Research apparatus and instruments, Apparatus and instruments for surveying, Photographic apparatus and instruments, Audio visual apparatus arid instruments, Optical apparatus and instruments, Weighing apparatus and weighing instruments, Measuring apparatus and instruments, Signalling apparatus and instruments, Detecting apparatus and instruments, Testing apparatus and instruments, Inspecting apparatus and instruments, Lifesaving apparatus and instruments and Apparatus and instruments for teaching; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Apparatus and instruments for recording, transmitting, processing or reproducing sound, data or images; Recorded and downloadable media, computer software, blank digital or analogue recording and storage media; Calculators; Computers and computer peripheral devices. Construction services; Installation services and Repair services in relation to the following goods: Turbines, Microturbines, Gas turbines, Steam turbines, Electrolysers, Compressors, Burners, Batteries, Energy storage plants, Power generators, Installations for the generation of electric energy; Mining extraction, Oil and gas drilling. Scientific and technological services and research and design relating thereto; Industrial analysis, of industrial research and of industrial design; Quality control and authentication services; Design and development of computer hardware and software.

Produits et services

Scientific apparatus and instruments, Research apparatus and instruments, Apparatus and instruments for surveying, Photographic apparatus and instruments, Audio visual apparatus arid instruments, Optical apparatus and instruments, Weighing apparatus and weighing instruments, Measuring apparatus and instruments, Signalling apparatus and instruments, Detecting apparatus and instruments, Testing apparatus and instruments, Inspecting apparatus and instruments, Lifesaving apparatus and instruments and Apparatus and instruments for teaching; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Recorded and downloadable media, computer software, blank digital or analogue recording and storage media; Calculators; Computers and computer peripheral devices. Construction services; Installation services and Repair services in relation to the following goods: Turbines, Microturbines, Gas turbines, Steam turbines, Electrolysers, Compressors, Burners, Batteries, Energy storage plants, Power generators, Installations for the generation of electric energy; Mining extraction, Oil and gas drilling. Scientific and technological services and research and design relating thereto; Industrial analysis, of industrial research and of industrial design; Quality control and authentication services; Design and development of computer hardware and software.

Abrégé

A hybrid plant for the production of electrical energy and configured to be connected to an electrical grid (2); the hybrid plant (1) comprising: at least one programmable energy source (4); at least one energy storage assembly (5) configured to selectively store or release electrical energy; a control device (8) configured to:  calculate a plant net load reference value(NETLoadRef) on the basis of the requirements of the grid (2);  calculate a required load variation (∆load) on the basis of the plant net load reference value (NETLoadRef) and on the basis of a current net load (CNL) supplied to the grid (2);  calculate at least one programmable energy source reference load (PLRef1, PLRef2, …PLRefn) on the basis of the required load variation (∆load) and taking into account the load limits and/or the gradient load limits of the at least one programmable energy source (4);  calculate a reference integrating load (RIL) so as to obtain the calculated required load variation (∆load), if the at least one programmable energy source (4) is not able to satisfy the required load variation (∆load);  control the storage assembly (5) so as to selectively release the calculated reference integrating load (RIL) if the at least one programmable energy source reference load (PLRef1, PLRef2, …PLRefn) is lower than the plant net load reference value (NETLoadRef) or to store the calculated reference integrating load (RIL) if the at least one programmable energy source reference load (PLRef1, PLRef2, …PLRefn) is greater than the plant net load reference value (NETLoadRef).

Classes IPC  ?

• H02J 3/46 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs
• H02J 3/28 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie

Produits et services

Software for diagnostics and troubleshooting for electrical power installations; software for diagnostics and troubleshooting for gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for controlling power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for determining, processing, improving, optimising and storing data relating to power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for predictive maintenance for power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; computer-aided diagnostic testing services; design of diagnostic apparatus and equipment; computer aided diagnostic testing services; design of software for digital signal processing; installation, maintenance and repair of computer software; rental of data processing software; all the aforesaid services being for power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators.

Produits et services

Software for diagnostics and troubleshooting for electrical power installations; software for diagnostics and troubleshooting for gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for controlling power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for determining, processing, improving, optimising and storing data relating to power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; software for predictive maintenance for power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators; downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; computer-aided diagnostic testing services; design of diagnostic apparatus and equipment; computer aided diagnostic testing services; design of software for digital signal processing; installation, maintenance and repair of computer software; rental of data processing software; all the aforesaid services being for power plants, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, power generators.

Produits et services

Combustion installations for fossil fuels, hydrogen or mixtures containing hydrogen; combustion chambers; burners for gas turbines; liquid or gaseous fuel burners; burners and burner components.

Produits et services

Software for diagnostics and troubleshooting electrical power installations; Software for diagnostics and troubleshooting gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for controlling power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for determining, processing, improving, optimising and storing data relating to power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Predictive maintenance software for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; Computer diagnostic services; Design of diagnostic apparatus and equipment; Computer aided diagnostic testing services; Design of software for digital signal processing; Installation, repair and maintenance of computer software; Rental of software for data processing; All the aforesaid services being for use in the following sectors: Power plants, Combined cycle power plants, Gas turbines, Steam turbines, Turbines (hydraulic -), Compressors, Electrical power generation equipment.

Produits et services

Software for diagnostics and troubleshooting electrical power installations; Software for diagnostics and troubleshooting gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for controlling power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for determining, processing, improving, optimising and storing data relating to power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Predictive maintenance software for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; Computer diagnostic services; Design of diagnostic apparatus and equipment; Computer aided diagnostic testing services; Design of software for digital signal processing; Installation, repair and maintenance of computer software; Rental of software for data processing; All the aforesaid services being for use in the following sectors: Power plants, Combined cycle power plants, Gas turbines, Steam turbines, Turbines (hydraulic -), Compressors, Electrical power generation equipment.

Produits et services

Software for diagnostics and troubleshooting electrical power installations; Software for diagnostics and troubleshooting gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for controlling power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Software for determining, processing, improving, optimising and storing data relating to power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Predictive maintenance software for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; Computer diagnostic services; Design of diagnostic apparatus and equipment; Computer aided diagnostic testing services; Design of software for digital signal processing; Installation, repair and maintenance of computer software; Rental of data processing software, all the aforesaid services being for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators.

Produits et services

Combustion installations for fossil fuels, hydrogen or mixtures containing hydrogen; Combustion chambers; burners for gas turbines; Fuel burners; Burners and Burner components.

Produits et services

Apparatus for diagnosing electrical power installations; apparatus for diagnosing gas turbines, steam turbines, hydraulic turbines, compressors, current generators; computer hardware for controlling power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; computer hardware for determining, processing, improving, optimising and storing data relating to power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; predictive maintenance hardware for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; computer diagnostic services; design of diagnostic apparatus and equipment; computer aided diagnostic testing services; design of hardware for digital signal processing; rental of computer hardware and computer peripherals; rental of computer software, data processing equipment and computer peripheral devices, all the aforesaid services being for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators.

Produits et services

Apparatus for diagnosing electrical power installations; Apparatus for diagnosing gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Computer hardware for controlling power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Computer hardware for determining, processing, improving, optimising and storing data relating to power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Predictive maintenance hardware for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators; Downloadable electronic documentation and scientific or commercial publications for education or training in the field of power generation and gas or steam turbine technology. Energy auditing; Computer diagnostic services; Design of diagnostic apparatus and equipment; Computer aided diagnostic testing services; Design of hardware for digital signal processing; Rental of computer hardware and computer peripherals; Rental of computer software, data processing equipment and computer peripheral devices, all the aforesaid services being for power stations, combined cycle power plants, gas turbines, steam turbines, hydraulic turbines, compressors, current generators.

Abrégé

A method for restoring a blade or vane platform of a gas turbine assembly configured for a power plant by: providing a blade or a vane having a platform with an edge deterioration zone; removing the deterioration zone by electro discharging machining technology; and rebuilding a removed zone by additive manufacturing technology. The removing can be performed to create a recessed plane along a platform edge, the recessed plane being connected to a platform plane by an enter inclined plane and an exit inclined plane arranged opposed along the platform edge.

Classes IPC  ?

• B23P 6/00 - Remise en état ou réparation des objets
• B33Y 10/00 - Procédés de fabrication additive
• B33Y 80/00 - Produits obtenus par fabrication additive
• B23K 26/144 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet l'écoulement de fluide contenant des particules, p. ex. de la poudre
• B23K 26/342 - Soudage de rechargement
• B23H 9/10 - Usinage d'aubes de turbine ou de buses
• B23K 26/00 - Travail par rayon laser, p. ex. soudage, découpage ou perçage
• B23K 26/06 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples
• B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
• F01D 5/00 - AubesOrganes de support des aubesDispositifs de chauffage, de protection contre l'échauffement, de refroidissement, ou dispositifs contre les vibrations, portés par les aubes ou les organes de support

Abrégé

Methods and systems for processing a signal indicative of at least one operating condition of a gas turbine engine to remove noise associated therewith are provided. The method and systems receive a signal from one or more sensors operably coupled to a gas turbine engine, retrieves one or more known system parameters and a previously determined average signal, and processes the signal using the system parameter and the previously determined average signal to remove noise therefrom. In some of the described methods and systems, the processed signal is then compared to predetermined upper and lower limits, and, if the processed signal exceeds the limits, at least one component of the gas turbine engine, such as a fuel-flow split, is adjusted in an effort to bring the signal back within the limits.

Classes IPC  ?

• G01M 15/14 - Test des moteurs à turbine à gaz ou des moteurs de propulsion par réaction
• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor
• F02C 3/06 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail ayant une turbine entraînant un compresseur le compresseur ne comprenant que des étages axiaux
• F02C 7/042 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction à géométrie variable
• F02C 7/057 - Commande ou régulation
• F02C 7/228 - Division du fluide entre plusieurs brûleurs

Abrégé

A medium voltage power supply is disclosed as including plural medium voltage power lines and plural medium voltage switchboards, connected by respective medium voltage power lines. The medium voltage switchboards are each provided with a respective electrical protection equipment under the IEC 61850 standard and with respective medium voltage signal couplers driven by the electrical protection equipment to transmit and receive Generic Object Oriented Substation Event messages through the medium voltage power lines.

Classes IPC  ?

• H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p. ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits
• H02H 1/00 - Détails de circuits de protection de sécurité
• G05B 19/048 - ContrôleSécurité

Abrégé

A thermoinsulating tile for combustion chambers of gas turbines comprises: a thermoinsulating material body having a first face and a second face; a sealed chamber encapsulated in the thermoinsulating material body between the first face and the second face and containing a marker substance in the liquid state at least at a temperature of use of the thermoinsulating tile.

Classes IPC  ?

• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
• F23R 3/02 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par la configuration du flux d'air ou du flux de gaz

Abrégé

A medium voltage power supply including a plurality of medium voltage power lines (5) and a plurality of medium voltage switchboards (10), connected by respective medium voltage power lines (5). The medium voltage switchboards (10) are each provided with a respective electrical protection equipment (11) under the IEC 61850 standard and with respective medium voltage signal couplers (12) driven by the electrical protection equipment (11) to transmit and receive Generic Object Oriented Substation Event (GOOSE) messages through the medium voltage power lines (5).

Classes IPC  ?

• H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p. ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits

Abrégé

An apparatus for testing conformance of rotor discs of gas turbines includes: a turntable (12), rotatable about an axis (A) and configured to support a rotor disc (2) of a gas turbine in a measuring plane (M); an actuator (20), operable to rotate the turntable (12) about the axis (A); and a supporting structure (13), supporting a first distance meter (15) and a second distance meter (16) on opposite sides with respect to the measuring plane (M). The supporting structure (13) is adjustable to set a first working distance (Dl) of the first distance meter (15) and a second working distance (D2) of the second distance meter (16) with respect to the axis (A). In one embodiment the supporting structure comprises a first arm and a second arm, movable parallel to the measuring plane, the first distance meter and the second distance meter being supported by the first arm and by the second arm, respectively. In another embodiment the apparatus comprises a runout sensor connected to the supporting structure and arranged to operate parallel to measuring plane.

Classes IPC  ?

• G01B 11/245 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en utilisant plusieurs transducteurs fixes fonctionnant simultanément

Abrégé

A fuel supply system (3) for supplying fuel to a combustion chamber (2) provided with at least a burner assembly (5) is provided with at least one feed line (7) comprising: a manifold (8) supplied with fuel; at least one connecting pipe (10), which connects the manifold (8) to the respective burner assembly (5); and a connecting element (13), which connects the connecting pipe (10) to the respective burner assembly (5) and/or the connecting pipe (10) to the respective manifold (8); the connecting element (13) being configured to define a quick snap-fit coupling.

Classes IPC  ?

• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible
• F16L 37/22 - Accouplements du type à action rapide dans lesquels l'assemblage est maintenu par des billes, rouleaux ou ressorts hélicoïdaux sous pression radiale entre parties
• F02C 7/22 - Systèmes d'alimentation en combustible

Abrégé

A supporting member for thermoinsulating tiles of gas turbine combustion chambers comprises an elongated plate (10), having a coupling head (12) at a first end, the coupling head (12) being structured to couple with a thermoinsulating tile (4) and having an inner coupling surface (12a) and an outer surface (12b). The outer surface (12b) of the coupling head (12) is at least partly coated with a protective coating (20).

Classes IPC  ?

• F23M 5/04 - Supports pour enveloppes
• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux

Produits et services

Data control, supervision and transmission apparatus in medium-voltage electric lines; data communications apparatus in medium-voltage electric lines; measuring, signaling and warning apparatus and instruments for components intended for the production of electrical energy; software for monitoring, detection and diagnosis of components intended for the production of electrical energy; interfaces for computers; communication interface units; apparatus for data communication relating in medium-voltage electric lines; data communications hardware; voltage testers; voltmeters; voltage monitor modules; voltage regulators for electric power; voltage detectors; voltage monitoring units.

Abrégé

A lance injector for injecting fuel into a combustion chamber (2) of a gas turbine comprises: a coaxial first tubular body (15) and second tubular body (16); a nozzle (20) connected to respective first ends (15a, 16a) of the first tubular body (15) and of the second tubular body (16); a guiding bushing (30) fitted on the first tubular body (15) so as to allow the relative axial sliding of the first tubular body (15) with respect to the second tubular body (16) due to expansion and contraction; and sealing members (27) between the first tubular body (15) and the guiding bushing (30). The sealing members are defined by at least two sealing rings (38) and the first tubular body (15) and the guiding bushing (30) are separated by an annular gap, except at the sealing rings (38).

Classes IPC  ?

• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible

Abrégé

A turbine blade is provided with at least one cooling channel (20) and a plurality of cooling holes (21); each cooling hole (21) being provided with an outlet section (26) having an elongated shape along a principal axis (E); the height (H) of the outlet section (26), intended as the measure of the maximum dimension of the outlet section (26) along a direction parallel to the main axis (E), being equal to at least twice the width (L) of the outlet section (26), intended as the maximum dimension of the outlet section (26) along a direction orthogonal to the main axis (E).

Classes IPC  ?

• F01D 5/18 - Aubes creusesDispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes

Abrégé

A gas turbine unit including a combustion chamber (5) provided with a plurality of burner assemblies (15) and a supply system (8), configured to supply fuel to the burner assemblies (15). Each burner assembly (15) includes a respective lance injector (20; 120) having a plurality of first nozzles (60; 160) and a first internal fluid line (58; 158) fluidically coupled with the first nozzles (60; 160). The supply system (8) includes a first fuel supply line (10) and an inert supply line (12), configured to respectively supply a primary fuel and an inert fluid to the first nozzles (60; 160) through the first internal fluid line (58; 158).

Classes IPC  ?

• F23L 7/00 - Alimentation du foyer en liquides ou gaz non combustibles autres que l'air, p. ex. oxygène, vapeur d'eau
• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible
• F23R 3/34 - Alimentation de différentes zones de combustion

Produits et services

Computers; computer peripheral devices; software for scientific and technological use; hardware and software in connection with improving and optimizing the operation of power stations, combined cycle power plants, gas turbines, steam turbines, water turbines, compressors, generators; computer hardware and software for improving and optimizing power station control engineering; diagnostic software for determining, processing, evaluating, improving, optimizing and storing data for power stations, combined cycle power plants, gas turbines, steam turbines, water turbines, generators and compressors, and for assessing and evaluating the data obtained; diagnostic software for improving and optimizing technical installations; electronic measuring, switching, managing, controlling, signaling and monitoring apparatus; downloadable electronic documentation or publications. Installation, maintenance, repair or retrofitting in connection with improving and optimizing combined cycle power plants, gas turbines, steam turbines, water turbines, compressors, generators or their parts or accessories. Scientific and technological services and associated research and development, in particular in connection with improving and optimizing the design, production, sale, installation, maintenance, repair, fitting or retrofitting of combined cycle power plants, gas turbines, steam turbines, water turbines, compressors, generators or their parts or accessories.

Abrégé

A method for balancing a rotor (1) of a gas turbine having a plurality of discs (2) arranged in succession along a line (A) includes the steps of: acquiring eccentricity measurements (ER1,..., ERP) of the discs (2) of the rotor (1) of a gas turbine in an initial configuration; based on the eccentricity measurements (ER1,..., ERP), identifying at least two critical areas of the rotor (1), in which variations of eccentricity between consecutive discs (2) are not in compliance with an acceptance criterion; identifying at least a first group of consecutive discs (2), arranged between two critical areas; determining at least one corrective action of the rotor (1), the corrective action including a relative rotation about the axis (A) between two consecutive discs (2) of the first group of discs (2); and performing the corrective action.

Classes IPC  ?

• F01D 5/02 - Organes de support des aubes, p. ex. rotors
• F01D 5/06 - Rotors à plus d'un étage axial, p. ex. du type à tambour ou à disques multiplesLeurs parties constitutives, p. ex. arbres, connections des arbres
• G01M 1/24 - Réalisation de l'équilibrage sur des transmissions élastiques, p. ex. pour des vilebrequins
• G01M 1/36 - Compensation du balourd par modification de l'emplacement de masses encastrées dans l'objet à tester

Abrégé

An alternator is provided with a stator (5), a rotor (6), which is housed inside the stator (5) and is provided with a plurality of electromagnets, and a collector assembly (7), which is configured to supply current to the electromagnets of the rotor (6) and is provided with a chamber (18) and at least a first sliding contact (27) housed inside the chamber (18); the alternator (3) also comprises a monitoring device (8) configured to monitor the conditions at least of the first sliding contact (27) and comprising at least a first photodetector (47) and a second photodetector (48) having a common node (50); the first photodetector (47) and the second photodetector (48) being configured to respectively generate a first current (II) entering the common node (50) and a second current (12) exiting from the common node (50) in response to a respective photon excitation; one between the first photodetector (47) and the second photodetector (48) being arranged so as to frame a region of the chamber (18) comprising at least a part of the first sliding contact (27), the other between the first photodetector (47) and the second photodetector (48) being arranged so as to frame a region of the chamber (18) not comprising the first sliding contact (27).

Classes IPC  ?

• H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
• H01R 39/58 - Moyens constructifs associés au collecteur de courant pour indiquer l'état de celui-ci, p. ex. pour indiquer l'usure du balai
• G01R 31/34 - Tests de machines dynamoélectriques

Abrégé

An integrated design system for an electric plant of an industrial site includes: a central processing unit; terminal stations connected to the central processing unit; and a storage unit. The central processing unit includes: a database management module to receive data from the terminals and organize the incoming data in databases; a first computing module, to determine specifications of lighting bodies to be installed according to the content of the databases; and a second computing module, cooperating with the first computing module to determine the sizing and routing of electric cables at least for the lighting bodies, according to the content of the databases. The databases include a lighting database containing values of a first set of parameters relating to environments of the industrial site.

Classes IPC  ?

• G06G 7/48 - Calculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs
• G06F 17/50 - Conception assistée par ordinateur
• G06F 17/30 - Recherche documentaire; Structures de bases de données à cet effet

Abrégé

A combustion chamber of a gas turbine assembly comprises: a casing (8), defining a combustion volume (8a) therein; a heat shield (10), which lines the inside of the casing (8) and comprises a plurality of tiles (12, 12a, 12b) of a refractory material; structural elements (15) shaped so as to define housing seats (26) of the tiles (12, 12a, 12b) and withhold the tiles (12, 12a, 12b) in the respective housing seats (26); and thermal protection elements (22), arranged so as to cover portions of the structural elements (15) facing the inside of the casing (8).

Classes IPC  ?

• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux

Abrégé

A blade for a gas turbine (2) is provided with an elongated main body (18) and a cooling circuit (28) supplied with a cooling fluid and comprising a first channel (29) and at least one second channel (30) arranged, at least partly, inside the main body (18); the first channel (29) being provided with a first inlet (32) and a first outlet (33); the second channel (30) being provided with a second inlet (35), distinct from the first inlet (32), and at least one second outlet (36) distinct from the first outlet (33).

Classes IPC  ?

• F01D 5/18 - Aubes creusesDispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes
• F01D 11/00 - Prévention ou réduction des pertes internes du fluide énergétique, p. ex. entre étages

Abrégé

A device (15) for inspecting an alternator of a plant for electric energy production is provided with a probe (17); first moving means (20) configured for moving the probe (17) along a moving axis (V) lying on a moving plane; and at least a first driving element (24, 44, 45) shaped for deflecting the probe (17) in a first direction (D1, D2, D3) transversal to the moving axis (V) on a first side of the plane.

Classes IPC  ?

• G01R 31/34 - Tests de machines dynamoélectriques

Abrégé

A supporting equipment for a shaft (3) of a rotating machine (1) includes: a frame (20); an insert (24) connected to the frame (20) and defining a supporting seat (25) for rotationally supporting a portion of a shaft (3) of a rotating machine (1) of a plant for producing electric power, the insert (24) having a hydraulic circuit (31) for feeding lubricating fluid to the supporting seat (25), so as to form a hydrostatic bearing for the shaft (3) housed in the supporting seat (25); and fastening elements (21) for fixing the frame (20) to a casing (2) of the rotating machine (1) with the supporting seat (25) coaxial with the shaft.

Classes IPC  ?

• F01D 25/16 - Aménagement des paliersSupport ou montage des paliers dans les stators
• F01D 25/28 - Dispositions pour le support ou le montage, p. ex. pour les carters de turbines
• F02C 7/06 - Aménagement des paliersLubrification
• F16C 32/06 - Paliers non prévus ailleurs comprenant un élément mobile supporté par un coussinet de fluide engendré, au moins en grande partie, autrement que par la rotation de l'arbre, p. ex. paliers hydrostatiques à coussinet d'air

Abrégé

An apparatus for performing instantaneous short- circuit tests on polyphase synchronous generators includes : a switch (5) having first terminals (5a, 5b, 5c) connected to respective stator terminals (2a, 2b, 2c) of an electric generator (2) and second terminals (5d, 5e, 5f) connected to one another; an acquisition module ( 18 ), configured to acquire electric signals (VR', VS', VT' ) representative of output voltages (VR,VS, VT) on the stator terminals (2a, 2b, 2c) of the electric generator (2), respectively; and a processing module (20), configured to cause the switch (5) to close as a function of the output voltages (VR, VS, VT) of the electric generator (2).

Classes IPC  ?

• G01R 31/34 - Tests de machines dynamoélectriques
• H02K 19/36 - Association structurelle de génératrices synchrones à des appareils électriques auxiliaires agissant sur les caractéristiques de la génératrice ou en assurant la commande, p. ex. à des impédances ou des interrupteurs
• H02P 21/14 - Estimation ou adaptation des paramètres des machines, p. ex. flux, courant ou tension

Abrégé

Alloy composition for the manufacture of protective coatings, comprising cobalt, nickel, chromium, aluminum, yttrium and iridium in amounts so as to obtain the phases α, β and σ, in particular for coating a super-alloy article. Preferably, such super-alloy article is a turbine component.

Classes IPC  ?

• C23C 30/00 - Revêtement avec des matériaux métalliques, caractérisé uniquement par la composition du matériau métallique, c.-à-d. non caractérisé par le procédé de revêtement
• C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
• B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
• C22C 27/06 - Alliages à base de chrome
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C23C 4/073 - Matériaux métalliques contenant des alliages MCrAl ou MCrAlY où M est le nickel, le cobalt ou le fer, avec ou sans éléments non métalliques

Abrégé

A lance injector for injecting fuel oil into a gas turbine combustion chamber includes: a tubular casing (33), extending along a main axis (A); a first inner supply conduit (35) housed in the casing (33) and coupled, at a respective supply end (35a), to a first supply inlet (44); a first nozzle (40), at a respective injection end (35b) of the first inner supply conduit (35); a second inner supply conduit (36) housed in the casing (33) and coupled, at a respective supply end (36a), to a second supply inlet (45), accessible from the outside independently of the first supply inlet (44); and a second nozzle (41), at a respective injection end (36a) of the second inner supply conduit (36).

Classes IPC  ?

• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible
• F23D 11/38 - AjutagesDispositifs de nettoyage des ajutages

Abrégé

Control method and device for controlling a gas turbine plant (1) provided with at least a gas turbine (5), a combustion chamber (4) and a compressor (3); the method comprising the steps of: - setting a plurality of reference values for respective operative parameters of the plant (1); - detecting an activation condition; - activating the correction of one or more reference values if the activation condition is detected; wherein the step of detecting the activation condition comprises: - detecting a first value (IGVPOS(t1)) of a parameter indicative of the electrical power greater than a first threshold value in a first instant (t1); - detecting a second value (IGVPOS(t2)) of the parameter indicative of the electrical power lower than a second threshold value in a second instant (t2) comprised in a time window which precedes the first instant (t1).

Classes IPC  ?

• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor
• F02C 9/54 - Commande de l'alimentation en combustible combinée avec une autre commande de l'ensemble fonctionnel avec la commande du flux du fluide de travail par étranglement du passage du fluide de travail, par réglage des aubes
• F23N 5/18 - Systèmes de commande de la combustion utilisant des détecteurs sensibles au débit de l'écoulement de l'air ou du combustible

Abrégé

A lance injector includes: an outer tubular body (15) and an inner tubular body (16), which extend along a common axis (A) and define a first fluid line (22) in a gap between the outer tubular body (15) and the inner tubular body (16), and a second fluid line (23) in the inner tubular body (16); a nozzle (18) connected fluidically to the first fluid line (22) and the second fluid line (23), at respective first ends (15a, 16a) of the outer (15) and inner (16) tubular bodies; and constraint members (17, 27, 30) configured so as to prevent the relative axial slide between the outer tubular body (15) and the inner tubular body (16) in a locking region at the respective first ends (15a, 16a), and such to permit the relative axial slide between the outer tubular body (15) and the inner tubular body (16) as effect of expansion elsewhere.

Classes IPC  ?

• F23D 11/28 - Brûleurs à pulvérisation directe de gouttelettes de liquide ou de liquide vaporisé dans l'enceinte de combustion le combustible étant comprimé avant un ajutage d'où il est pulvérisé dans une enceinte du fait d'une réduction appréciable de la pression avec dispositifs permettant de faire varier le régime de pulvérisation du combustible avec retour du combustible au brûleur, p. ex. en utilisant un tube de dégagement
• F23D 11/10 - Brûleurs à pulvérisation directe de gouttelettes de liquide ou de liquide vaporisé dans l'enceinte de combustion la pulvérisation étant réalisée par un milieu gazeux, p. ex. de la vapeur d'eau

Abrégé

A method of controlling emissions of a gas turbine plant (1), including a compressor (7), a combustion chamber (9) and a gas turbine (10), includes detecting the oxygen concentration (S02) in the exhaust gases (QE) of the gas turbine (10) and heating a fuel gas flow (QF) supplied to the combustion chamber (9) as a function of the detected oxygen concentration (S02 ) and of a reference concentration value (S02R; S02R' ).

Classes IPC  ?

• F02C 7/224 - Chauffage du combustible avant son arrivée au brûleur
• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor
• F23N 5/00 - Systèmes de commande de la combustion

Abrégé

A gas turbine combustion chamber includes a casing (2), a plurality of thermally insulating tiles (7) and at least one reversible fastening device (10), which fixes one of the respective tiles (7) to an inner face (3a, 4a) of the casing (2). The reversible fastening device includes: a supporting body (13), fixed to an outer face (3b, 4b) of the casing (2) and having a locking seat (18) and an opening (21) for access to the locking seat (18) from the inside of the casing (2) through a wall (3, 4) of the casing (2); a threaded bushing (12) insertable inside the locking seat (18) so as to receive a screw (30) through the wall (3, 4) from the inside of the casing (2); and at least one locking member (14), configured to releasably lock the bushing (12; 112; 212) inside the locking seat (18; 118; 218).

Classes IPC  ?

• F16B 21/04 - Dispositifs de fixation largables verrouillant par rotation à baïonnette
• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
• F23R 3/60 - Structures de supportMoyens de fixation ou de montage

Abrégé

A tile for covering combustion chambers, in particular for gas turbine energy production power plants, is provided with a main body (23), which extends along a longitudinal axis (B) and is provided with: • a main face (24), which faces, in use, the inner of the combustion chamber (4), • a rear face (27), adapted, in use, to be coupled to an inner face (28) of the combustion chamber(4); the rear face (27) being provided with a coupling element (35), which protrudes from the rear face (27) and is configured to engage a respective seat (31) of the inner face (28) of the combustion chamber (4) so as to block movements of the tile (22) along the longitudinal axis (B).

Classes IPC  ?

• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
• F23M 5/02 - ArmaturesEnveloppesParois caractérisées par la forme des briques ou des blocs utilisés

Produits et services

Hot gas components for gas turbines. Machines, namely, electrical rotating, pneumatic, thermal or hydraulic machines for converting energy; aggregates, components and equipment forming an integral part and/or serving as accessories for machines for the physical, chemical, thermodynamic, electrical and/or electronic operation of power plants included in this class; combined gas and steam power plants and parts and aggregates for their construction included in this class; turbines other than for land vehicles; turbines for power plants; pumps; compressors; gas turbines; steam turbines; hydraulic turbines; generators; parts for the aforesaid goods; cast precision building elements or forged parts (as components of turbines or compressors); machine parts, namely combustion chamber wall components, heat accumulation segments; diffuser segments, fluid conductors, labyrinth segments, nozzles for gas turbines; stator or armature segments (as components of turbines); machine parts, namely, vanes, mobile or guide vanes for turbines or compressors; auxiliary means of securing vanes to rotating or static modules on turbines or compressors included in this class; bearings (parts of machines); air filter parts, muffler parts, crankcases for machines, gas turbine equipment parts, namely, housings for combustion chamber housings, exhaust gas housings; installations for exhaust gas extraction, injection nozzles, installation or stop units for liquid or gaseous media in conjunction with the gas turbine installations included in this class. Computers; computer peripherals; software for scientific and technological use; hardware and software for use in running power plants, combined gas and steam power plants, gas turbines, steam turbines, hydraulic turbines, compressors, generators; hardware and software for power station conduction technology; diagnostic software for the production, processing, evaluation and storage of operating data for power plants, gas and steam power plants, gas turbines, steam turbines, hydraulic turbines, generators, compressors, and for analysis and evaluation of the data obtained; diagnostic software for the detection of analyzers; electronic apparatus for measuring, checking, signaling and monitoring; downloadable electronic publications or documentation. Technical and scientific publications or documentation; manual; information or training material for instruction or the continued training of highly qualified staff. Installation, maintenance, repair, equipping or reconditioning of compressors, gas turbines, steam turbines, hydraulic turbines, generators or their components or accessories. Scientific and technological and research and development services, namely, in the fields of construction, production, sale, installation, maintenance, repair, equipping or reconditioning of compressors, gas turbines, steam turbines, hydraulic turbines, generators or their components or accessories; computer programming.

Abrégé

A gas turbine plant (1) for electric energy production is equipped with; a gas turbine (5); a compressor (3); a combustion chamber (4); a plurality of heat-sensitive elements (34) configured to detect a plurality of temperature values (T(1), T(2)... Tn) inside the combustion chamber (4); a control unit (12) configured to regulate at least a first parameter (PILOTpos; IGVpos; COOLpos; SPpower) of the plant (1) on the basis of the temperature values (T1, T2... Tn) detected by the plurality of heat- sensitive elements (34).

Classes IPC  ?

• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor
• F23N 5/10 - Systèmes de commande de la combustion utilisant des dispositifs sensibles aux variations thermiques ou à la dilatation thermique d'un agent utilisant des thermocouples
• F23R 3/60 - Structures de supportMoyens de fixation ou de montage

Abrégé

A burner assembly for a gas turbine includes a main burner (20), extending about an axis (B), and a Helmholtz resonator (22) having a resonant chamber (35) and passages (36, 37) for fluidic connection of the resonant chamber (35) to the outside. The main burner (20) further includes an inner body (25) and an outer body (26), which extend about the axis (B), and a swirler (23), arranged between the inner body (25) and the outer body (26) and defining mixing channels (30). The resonant chamber (35) is arranged about the outer body (26) adjacent to an inlet (31) of the swirler (23). The outer body (26) delimits a portion of the resonant chamber (35) and is shaped so as to prevent direct fluidic connections between the Helmholtz resonator (22) and the mixing channels (30).

Classes IPC  ?

• F23R 3/34 - Alimentation de différentes zones de combustion
• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible

Abrégé

A burner assembly (9) for a combustion chamber (4) of a gas turbine plant (1) is provided with: • a main burner (10) configured to produce a main combustion zone (12) having a main convective time (Ʈp); • a secondary burner (11) configured to produce at least a secondary combustion zone (20) having a secondary convective time (Ʈs); • the secondary burner (11) is configured so that the secondary convective time (Ʈs) is different from the main convective time (Ʈp).

Classes IPC  ?

• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible

Abrégé

A device for detecting short-circuits in electric machine rotor windings, includes: a magnetic flux probe (3); a supporting structure (2), configured to rotatably support the magnetic flux probe (3) along a trajectory about windings (9) of an electric machine rotor (10); actuators (13, 14), configured to move the magnetic flux probe (3) along the trajectory about rotor (10); and a processing unit (8), coupled to the magnetic flux probe (3) and configured to detect short-circuits in the rotor windings (9) on the basis of a magnetic flux measured by the magnetic flux probe (3) moving along the trajectory.

Classes IPC  ?

• G01R 31/34 - Tests de machines dynamoélectriques
• G01R 31/02 - Essai des appareils, des lignes ou des composants électriques pour y déceler la présence de courts-circuits, de discontinuités, de fuites ou de connexions incorrectes de lignes

Produits et services

(1) Machines, namely, electrical rotating, pneumatic, thermal and hydraulic machines for converting energy, namely, electrical motors, electric generators, gas, steam, hydraulic turbines, turbine power plants, electric power generators; assemblies, components and equipment forming an integral part of machines and serving as accessories especially adapted for machines for the physical, chemical, thermodynamic, electrical and electronic operation of power plants, namely, parts and accessories for electrical motors, electrical generators and gas, steam, hydraulic turbines, turbine power plants; machines for managing combined gas and steam power plants and related parts and assemblies especially adapted for their construction, namely, computer servers for managing combined gas and steam power plants and accessories for gas and steam power plants; turbines other than for land vehicles, namely, hydraulic turbines, steam turbines, wind turbines, turbines for jet engines, turbines for locomotives; steam, hydraulic and wind turbines for power plants; centrifugal, compressed air pumps, circulating pumps, namely, circulating pumps for water circulation for use in power plants; air, centrifugal compressors, axial flow compressors for use in gas turbines; gas turbines; steam turbines; water turbines; electrical generators; parts for electrical generators; precision-cast construction parts and forgings being components for turbines or compressors, namely, stators and distributor rotors; hot gas path parts for gas turbines; parts of machines, namely, combustion chamber wall elements, heat congestion segments, namely, heat exchangers being parts of machines, diffuser segments, flow guiding elements, labyrinth segments, lances and nozzles for gas turbines; stator and rotor segments for turbine components; parts of machines, namely, blades, stator vanes and rotor blades for turbines and compressors; machine tools for attaching blades on rotating and static assemblies of turbines and compressors; bearings being parts of machines; engine and motor air filter parts, engine muffler parts, machine housings, parts of gas turbine systems, namely, combustion chamber housings, exhaust gas housings for gas turbine systems; exhaust removal fans; injectors, namely, engine injectors and fuel injectors; control valves and shutoff valves for liquid or gaseous media in conjunction with gas turbines systems; computers; computer peripherals, namely, digital cameras, keyboards, modems, printers, namely, computer printers, scanners, namely, computer scanners, laser scanners, optical scanners, speakers, namely, audio speakers, computer speakers, loud speakers, video recorders, mouse pads; software for scientific and technological applications, namely, software for managing power stations; computer hardware and computer software for use in the operation of power stations, combined gas and steam power plants, gas turbines, steam turbines, water turbines, compressors, generators; computer hardware and software for power plant control systems; diagnostic software for identifying, processing, analysis and storage of operating and shutdown data for power plants, combined gas and steam power plants, gas turbines, steam turbines, water turbines, generators, compressors, as well as for the assessment and evaluation of the acquired data; diagnostic software for error analysis and location of errors in the field of electricity generation; electronic equipment for measuring, switching, controlling, regulating, signalling and monitoring electricity usage, namely, electricity meters, watt-hour meters, digital electricity meters; downloadable electronic documentation and publications, namely, newsletters and journals in the field of electricity generation; scientific and technical documentation and publications, namely, newsletters and journals in the field of rail transport markets; manuals; information and training materials for the instruction and further education of highly qualified personnel in the field of electrical generation and transmission for instruction and the continued training of highly qualified personnel (1) Installation, maintenance, servicing, repair, equipping or retrofitting of compressors, gas turbines, steam turbines, water turbines, generators and the parts and components thereof; scientific and technological services in the nature of engineering consulting and research and development services in the field of construction, manufacture, sale, installation, maintenance, servicing, repair, equipping or retrofitting of compressors, gas turbines, steam turbines, water turbines, generators and the parts and components thereof; software development

Abrégé

An integrated design system for an electric plant of an industrial site includes; a central processing unit (2); terminal stations (3) connected to the central processing unit (2); and a storage unit (5). The central processing unit (2) includes: a database management module (11) to receive data from the terminals (2) and organize the incoming data in databases (20); a first computing module (15), to determine specifications of lighting bodies to be installed according to the content of the databases (20); and a second computing module (12), cooperating with the first computing module (15) to determine the sizing and routing of electric cables at least for the lighting bodies, according to the content of the databases (20). The databases (20) comprise a lighting database (21) containing values of a first set of parameters relating to environments of the industrial site.

Classes IPC  ?

• G06F 17/50 - Conception assistée par ordinateur

Produits et services

Installations for the production of electricity, hydraulic turbines, electrical generator stations, generators of electricity, uninterruptible power supplies [machines] for the generation of electrical energy. Burners, combustion installations. Scientific and technological services and research and design relating thereto, engineering services in the field of electrical power, design and development of computer hardware and software.

Abrégé

A combined cycle plant (1; 50) for energy production is provided with: a gas turbine unit (2); an operating unit (3); a boiler (4) supplied with exhaust gas from the gas turbine unit (2) and configured to produce steam to be supplied to an operating unit (3); the boiler (4) comprising at least a first evaporator (20) and a first pressure level and at least a second evaporator (24) and a second pressure level lower than the first pressure level; a draining circuit (6; 60) configured to drain the tainted water from the first evaporator (20) and/or from the second evaporator (24); the draining circuit (6; 60) being configured to convert, at least partly, the water drained from the first evaporator (20) and/or from the second evaporator (24) into steam and supply the steam produced directly to the boiler (4) to increase the steam produced by the boiler (4).

Classes IPC  ?

• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
• F22B 37/50 - Dispositifs ou agencements pour enlever l'eau, les minéraux ou les boues des chaudières pour l'évacuation ou l'expulsion de l'eau

Produits et services

Apparatus and instruments for monitoring, checking (supervision) and diagnostics for electricity generators.

Abrégé

A method of controlling a combined-cycle plant for production of electric energy, comprising at least one gas turbine assembly (2) and a steam turbine (5) with respective generators (3) and (6). A provisional load set- point (SPTV*) for the steam turbine (5) is determined on the basis of the plant load set-point (SP0) and an actual steam pressure (PA) supplied to the steam. turbine (5). A gas turbine load set-point (SPTG) is thus determined on the basis 'of the plant load set-point (SP0) and the provisional load set-point (SPTV*) and is used to control the gas turbine assembly (2). A steam turbine load set- point (SPTV), indicative of a second power (WTV) to be supplied through the steam turbine (5), is finally determined on the basis of the provisional load set- point (SPTV*) and of a load error (ETG) of the gas turbine assembly (2) and is used to control the steam turbine (5).

Classes IPC  ?

• F01K 13/02 - Commande, p. ex. arrêt ou démarrage
• F01K 23/06 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle
• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle

Abrégé

A gas turbine plant for electric energy production provided with: - a gas turbine (12);• - a combustion chamber (11) supplied with fuel; - a detecting module (7) configured to detect at the exhaust of the gas turbine (12) at least a first parameter indicative of the carbon monoxide concentration (CO%); - a control device 8 configured to regulate the fuel supply to the combustion chamber (11) on the basis of a reference power val ue (SP); the control device (8) is provided with calculating means (16, 17) configured to calculate -a correcting value (SPC) of the reference power value (SP) at least on the basis of the first parameter indicative of the carbon monoxide concentration (CO%) and to modify the reference power value (SP) on the basis of the calculated correcting value (SPC).

Classes IPC  ?

• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor

Abrégé

A method for modifying a gas turbine burner assembly (1), which extends along an axis (A) and comprises a premix main burner (3) and a pilot burner (5), about which the main burner (3) is arranged; the pilot burner (5) comprises a swirler (20), a first body (17) and a second body (18), arranged about the first body (17) so as to define an annular channel (19) having a first passage section; the swirler (20) is arranged along the annular passage channel (19) and comprises a plurality of blades (21) radially extending between the first body (17) and the second body (18); the method includes the step of reducing the passage section of the annular channel (19).

Classes IPC  ?

• F02C 3/22 - Ensembles fonctionnels de turbines à gaz caractérisés par l'utilisation de produits de combustion comme fluide de travail utilisant un combustible, un oxydant ou un fluide de dilution particulier pour produire les produits de combustion le combustible ou l'oxydant étant gazeux aux température et pression normales
• F02C 7/22 - Systèmes d'alimentation en combustible
• F23R 3/34 - Alimentation de différentes zones de combustion

Abrégé

A method for detecting malfunctions in a combustion chamber of a gas turbine plant includes providing dynamic pressure signals (P1I, P2,...., PN), each indicative of a dynamic pressure at the outlet of a respective burner of a combustion chamber of the plant. Frequency spectra (S1(f), S2(f),..., SN(f), S1*(f), S2* (f),..., SN *(f)) of the dynamic pressure signals (P1, P2,..., PN) are calculated, the malfunctions of the burners are recognized according to these spectra. Each burner subject to malfunctioning is identified according to a bijective correlation between the burners and the respective dynamic pressure signals (P1, P2,..., PN).

Classes IPC  ?

• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor
• F23N 5/16 - Systèmes de commande de la combustion utilisant des détecteurs sensibles aux bruits
• F23R 3/52 - Chambres de combustion toriques

Abrégé

A ceramic tile (1) for combustion chambers lining, in particular of gas turbines, comprises a base body (2), made of ceramic material, for example in alumina or in alumina- mullite, and a coating (3) applied to at least one face (4) of the base body (2); the coating (3) is a multilayer ceramic coating, comprising at least one outer layer (6) made of alumina or ceramic material comprising alumina, and at least one intermediate layer (5), arranged between the outer layer (6) and the base body (2) and made of ceramic material comprising mullite and preferably in mullite or in alumina- mullite.

Classes IPC  ?

• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux
• F23M 5/00 - ArmaturesEnveloppesParois

Abrégé

An axle assembly for an electric vehicle equipped with a unitized body, the axle assembly (6) comprising: - an underframe (10) extending along a longitudinal axis (Al) of the electric vehicle (1); - an electric machine (11) mounted on the underframe (10); - two shock-absorbing devices (12); - two hubs (13) hinged to opposite sides of the underframe (10) by the respective shock-absorbing devices (12); and - a control device (14) connected to the electric machine (11) for controlling said electric machine (11); each shock-absorbing device (12) comprising: - a mechanical joint (30); - a shock absorber (31) positioned between the mechanical joint (30) and the underframe (10); - an adjustable pneumatic elastic member (32) connected to the mechanical joint (30) and configured for being connected to the unitized body (2) of the electric vehicle (1).

Classes IPC  ?

• B60G 3/20 - Suspensions élastiques pour une seule roue avec plusieurs bras articulés, p. ex. parallélogramme tous les bras étant rigides
• B60G 11/27 - Suspensions élastiques caractérisées par la disposition, l'emplacement ou le type des ressorts ayant des ressorts à fluide uniquement, p. ex. ressorts hydropneumatiques dans lesquels le fluide est un gaz

Abrégé

A multi-stack MCFC system (1) for separating CO2 from combustion flue gas containing NOx and SOx comprises: a first MCFC-CCS block (11) of MCFC stacks and at least a second MCFC-CCS block (12) of MCFC stacks, having respective separators (27, 28) acting on the anodic exhausts, at least one burner (13) and a connection system (15) that connects the blocks (11, 12) and the burner (13) so that: the cathodes (23, 24) of the stacks (21, 22) of the two blocks (11, 12) are connected in series; the flue gas to treat only enters into the cathodes (23) of the stacks (21) of the first block (11), with or without addition of air; in the second block (12), and in any following blocks, no flue gas enters that has not passed through the cathodes (23) of stacks (21) of the first block (11); the anodes (25, 26) of the stacks (21, 22) of each block (11, 12) are connected to respective separators (27, 28), that remove H2O and separate a stream with CO2 intended to be captured by a stream rich in H2; the separators (27, 28) and the lines that manipulate the anodic exhausts are organized so that H2S and N2 are ejected from the system.

Classes IPC  ?

• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• H01M 8/14 - Éléments à combustible avec électrolytes fondus
• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus

Abrégé

A system (1) for separating CO2 from combustion flue gas by means of molten carbonate fuel cells (MCFC) comprises at least one stack (2) of MCFC cells having an anodic compartment (5) and a cathodic compartment (6), and a treatment device (3) for treating a cathodic exhaust stream exiting from the MCFC stack (2); the device (3) is configured so as to remove H2S from the anodic exhaust and separate from the anodic exhaust a stream containing H2 and substantially free of H2S, and to convey the stream containing H2 to an anodic compartment (21) of a PEM cell unit (18) or to the anodic compartment (5) of the MCFC cell stack (2) and to limit, in the case of recirculation of the anodic exhaust to the anodic compartment (5) of the MCFC cell stack (2) the build-up of N2 in said anodic compartment (5) of the MCFC cell stack (2).

Classes IPC  ?

• H01M 8/14 - Éléments à combustible avec électrolytes fondus
• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• H01M 8/10 - Éléments à combustible avec électrolytes solides

Abrégé

A combined cycle plant (1; 50) for energy production is provided with: a gas turbine unit (2); - a steam turbine unit (3); a boiler (4) supplied with exhaust gas from the gas turbine unit (2) and configured to produce steam to be supplied to the steam turbine unit (3); the boiler (4) comprising at least a first evaporator (20) at a first pressure level and at least a second evaporator (24) at a second pressure level lower than the first pressure level; a draining circuit (6; 60) configured to drain tainted water from the first evaporator (20) and/or from the second evaporator (24); and a cleaning device (7) configured to clean the tainted water drained by the draining circuit (6; 60) so as to make it reusable in the combined cycle plant (1).

Classes IPC  ?

• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
• F22B 3/04 - Autres méthodes de production de vapeurChaudières à vapeur non prévues dans les autres groupes de la présente sous-classe par détente brusque d'eau chaude à haute pression à l'intérieur des chambres de détente, p. ex. dans des accumulateurs
• F22B 37/50 - Dispositifs ou agencements pour enlever l'eau, les minéraux ou les boues des chaudières pour l'évacuation ou l'expulsion de l'eau
• C02F 1/06 - Distillation par évaporation dite évaporation "flash"
• F22B 37/48 - Dispositifs ou agencements pour enlever l'eau, les minéraux ou les boues des chaudières

Abrégé

A structure (10) for blocking heads of stator windings of electrical machines, in particular of electric generators, comprises at least one tie element (12), in particular made of fibreglass, which is wound around and ties at least one head (7) of the windings and has at least some portions impregnated with a polymeric system; the polymeric system is free from solvents and comprises a bi-component resin, formed by at least one epoxy base resin and by at least one curing/polymerizing agent acting on the base resin, and a chromatic additive sensitive to the density of polymerization of the base resin.

Classes IPC  ?

• H02K 3/50 - Fixation des têtes de bobines, des connexions équipotentielles ou des connexions s'y raccordant
• H01B 3/40 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines époxy

Abrégé

A gas turbine comprising an array of rotor blades (15) arranged around a rotation axis (A), a guide ring (23) arranged around the rotor blades (15), and a cooling circuit (25), configured to receive an air flowrate and to direct the air flowrate to the rotor blades (15). The guide ring (23) has through holes (27) coupled to the cooling circuit (25) and configured so that air coming from the cooling circuit (25) and passing through the holes (27) deviates from an inner surface (23a) of the guide ring (23) and forms jets (G) directed towards tip sections (20) of the rotor blades (15) and having an output speed from the holes (27) so as to reach the tip sections (20) of the rotor blades (15).

Classes IPC  ?

• F01D 11/08 - Prévention ou réduction des pertes internes du fluide énergétique, p. ex. entre étages pour obturations de l'espace entre extrémités d'aubes du rotor et stator

Abrégé

A gas turbine plant for the production of electric energy comprising a turbogas unit (2, 3, 5, 6) and a temperature monitoring system (18), configured to detect operative temperatures in a plurality of locations of rotating parts (2, 7, 8, 12) of the turbogas unit (2, 3, 5, 6). The temperature monitoring system (18) has a plurality of temperature sensors (20, 21) arranged on the rotating parts (2, 7, 8, 12) of the turbogas unit (2, 3, 5, 6). The rotating parts (2, 7, 8, 12) comprise a shaft (2) having a plurality of rotor discs (7, 8) clamped by a tie rod (12). At least some of the temperature sensors (20, 21) are housed in the rotor cavities (14) defined between the adjacent rotor discs (7, 8) and the tie rod (12).

Classes IPC  ?

• F01D 17/08 - Aménagement des éléments sensibles sensibles aux conditions de fonctionnement du fluide énergétique, p. ex. à la pression
• F01D 21/00 - Arrêt des "machines" ou machines motrices, p. ex. dispositifs d'urgenceDispositifs de régulation, de commande ou de sécurité non prévus ailleurs
• F01D 17/02 - Aménagement des éléments sensibles
• G01K 1/14 - SupportsDispositifs de fixationDispositions pour le montage de thermomètres en des endroits particuliers

Abrégé

A plant (1) for producing demineralized water, in particular for use in plants for generation of electrical energy, comprises a reverse-osmosis section (2) and an electrodeionization section (3), which treats a permeate (P2) produced in the reverse-osmosis section (2); the reverse- osmosis section (2) comprises at least a reverse-osmosis refinement unit (13) and a system (4) for removal of silica, set upstream of the unit (13) and designed to remove silica from a flow of water (T), which traverses the system (4), and connected to the unit (13) so as to feed the unit (13) with a flow (S) of desilicated water produced in the system (4). The system (4) for removal of silica comprises coagulation and/or flocculation tanks (31, 33, 35), in which respective liquid coagulating agents and/or flocculating agents are introduced, in particular a cationic coagulating agent and an anionic coagulating agent.

Classes IPC  ?

• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
• C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
• C02F 5/00 - Adoucissement de l'eauPrévention de l'entartrageAddition à l'eau d'agents antitartre ou détartrants, p. ex. addition d'agents séquestrants
• C02F 9/00 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout
• B01D 61/02 - Osmose inverseHyperfiltration
• B01D 61/04 - Prétraitement du courant d'alimentation
• C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension

Abrégé

A combined- cycle plant for the production of electric and thermal energy is provided with: a gas turbine unit (2); a steam turbine unit (3) comprising a low-pressure steam turbine (18); a boiler (4); and a district -heating unit (6), which is provided with a heat exchanger (46) for transferring heat to a district-heating fluid and with a flash tank vessel (48). The heat exchanger (46) is provided with a condensate collecting vessel (46) and the flash tank vessel (47) is designed to receive condensate from the condensate collecting vessel (46), generate steam and supply the generated steam to a first point upstream of the inlet of the low-pressure steam turbine (18).

Classes IPC  ?

• F01K 17/02 - Utilisation de la vapeur ou des condensats provenant soit du soutirage, soit de la sortie des ensembles fonctionnels de machines motrices à vapeur pour le chauffage, p. ex. industriel, domestique
• F01K 21/04 - Ensembles fonctionnels de machines motrices à vapeur non prévus ailleurs utilisant un mélange de vapeur et de gazEnsembles fonctionnels produisant ou surchauffant de la vapeur en mettant en contact direct l'eau ou la vapeur avec des gaz chauds
• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle

Abrégé

A system for separating CO2 from combustion exhaust gas by means of MCFC multistacks comprises: a first MCFC unit (10) and a second MCFC unit (20), having respective cells (11, 21) with respective cathodic compartments (12, 22) and respective anodic compartments (13, 23); at least one CO2-capture unit (31, 32); and a connection network (30) that connects the units (10, 20) to one another and to the CO2 -capture unit (31, 32); the first unit (10) is formed by one or more MCFC cells (11) without active direct internal reformer; and the second unit (20) is formed by one or more MCFC cells (21) with active direct internal reformer; the units (10, 20) are connected in such a way that the exhaust gas to be treated are supplied to the cathodic compartments (12) of the cells (11) of the first unit (10), and the cathodic compartments (22) of the cells (21) of the second unit (20) are supplied with cathodic exhaust of the first unit (10), either alone or with additions that do not include portions of exhaust gas that have not previously passed into the cathodic compartments (12) of cells (11) of the first unit (10).

Classes IPC  ?

• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/14 - Éléments à combustible avec électrolytes fondus
• H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible

Abrégé

A device for measuring the flow rate of a fluid, preferably of a lance (2) of a burner of a gas-turbine plant, is provided with: a lance (2) to be tested, which is traversed, in use, by the fluid and comprises a main body (3) and a terminal nozzle (4); a fluid tank (6); a first assembly (21) for measuring the weight (pL) of fluid that traverses the nozzle (4) of the lance (2); and computing means (34) for calculating, on the basis of the weight (pL) measured, the flow rate of fluid (QL) that traverses the nozzle (4) of the lance (2).

Classes IPC  ?

• F02C 7/22 - Systèmes d'alimentation en combustible
• G01F 9/00 - Mesure du débit volumétrique par rapport à une autre variable, p. ex. du combustible liquide pour un moteur
• F02M 65/00 - Test des appareils d'injection de combustible, p. ex. test du début d'injection

Abrégé

A method for supplying fuel to a combustion chamber (4) of a gas turbine plant (1) envisaging supplying lean gas to the combustion chamber' (4) through a lean gas supply line (12) of the plant (1) and supplying natural gas to the combustion chamber (4) through a natural gas supply line (13) of the plant (1), which includes a pilot delivery line (23). In particular, the step of supplying natural gas envisages the measuring of a lean gas calorific value (HVSG), calculating at least a first natural gas flow rate (QNGp) to be supplied to the combustion chamber (4) through the pilot delivery line (23) on the basis of the measured lean gas calorific value (HVSG), and supplying at least the first natural gas flow rate (QNGp) to the combustion chamber (4) through the pilot delivery line (23).

Classes IPC  ?

• F23N 1/00 - Régulation de l'alimentation en combustible
• F02C 7/22 - Systèmes d'alimentation en combustible
• F02C 9/40 - Commande de l'alimentation en combustible spécialement adaptée à l'utilisation d'un combustible particulier ou de plusieurs combustibles

Abrégé

An electric machine cooled with an inflammable cooling fluid has a rotor (2) rotatable about an axis (A1) and stator casing (3) arranged, in part, about the rotor (2) and suitable to define a space (9) occupied by the cooling fluid; the rotor (2) has a shaft (4); at least one excitation electric winding (5) arranged in the space (9); a connecting circuit (6) extending, at least in part, into the shaft (4) in an electrically insulated manner from the shaft (4) and suitable to connect the excitation electric winding (5) with the outside of the stator casing (3); a plurality of holes (14, 15, 16, 17, 18) suitable to define a housing for the connecting circuit (6) and at least a possible exit path for the inflammable cooling fluid; and a first, a second, and a third sealing assembly (26, 27, 28) arranged in series along said path between the connecting circuit (6) and the shaft (4) and a first and a second conduits (22, 41) suitable to connect with the outside respectively a path zone between the second and the third sealing assemblies (27, 28) and a path zone between the first and the second sealing assemblies (26, 27).

Classes IPC  ?

• H02K 13/02 - Connexions entre les bagues collectrices et les enroulements
• H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection

Abrégé

A device (11) for driving an electric motor (18), comprising: an inverter circuit (14), configured for converting a d.c. supply signal (VAL) into an a.c. supply signal (Va, Vb, Vc); and a control block (13), connected to the inverter circuit (14) and configured for controlling the inverter circuit (14) by means of a pulse-width modulation (PWM), having a given cycle- period value. The driving device further comprises a first random-number generator (15), connected to the control block (13) and configured for supplying to the control block (13) pseudo-random or random cycle-period values (TVAR).

Classes IPC  ?

• H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
• H02M 7/5395 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie par modulation de largeur d'impulsions

Abrégé

SETINT) if the frequency error (eF) is beyond a first frequency range (B1), and proportional control means (20), which are deactivated when the frequency error (eF) is beyond a first frequency range (B1).

Classes IPC  ?

• F02C 9/28 - Systèmes de régulation sensibles aux paramètres ambiants ou à ceux de l'ensemble fonctionnel, p. ex. à la température, à la pression, à la vitesse du rotor

Abrégé

A turbine blade extends along a longitudinal axis (A) and is provided with: an anchoring portion (4) provided with a base face (11); a platform (5) integrally coupled to the anchoring portion (4); a main elongated body (6) which extends from the platform (5) on the opposite side with respect to the anchoring portion (4); a cooling circuit (9), which comprises a first cooling line (19) provided with a first inlet opening (23) arranged on the base face (11) of the anchoring portion (4) of the blade (1); and a metering plate (7) coupled to the base face (11) at the first inlet opening (23) and comprising a first portion (26a) and a second portion (26b) couplable to each other and shaped in such a way to define, together, an opening (27) having a variable section.

Classes IPC  ?

• F01D 5/08 - Dispositifs de chauffage, de protection contre l'échauffement ou de refroidissement
• F01D 5/18 - Aubes creusesDispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes

Abrégé

A vector control method for electric motors, characterized in that it comprises the steps of : supplying a reference vector (VoutMAX); supplying a required vector (Vf), preferably represented by means of a real vector component (Vq) and an imaginary vector component (Vd); comparing the magnitude (VMAX) of said reference vector (VoutMAX) with the magnitude of said required vector (Vf), generating at least one result (V6, index_clip) that expresses the relationship existing between said magnitudes; generating a reduction value (J) as a function of the result (V6, index_clip); and generating a clipped value (VfCLIP) by limiting the magnitude of the required vector (Vf) as a function of the reduction value (J) and maintaining the phase of the clipped value (VfCLIP) unaltered with respect to the phase of the required vector.

Classes IPC  ?

• H02P 21/06 - Commande basée sur le flux rotorique impliquant l’utilisation de détecteurs de position ou de vitesse du rotor
• H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions

Abrégé

A cooling system for a high density power motor, in particular an axial- flux electric motor, wherein a pump (3) is directly fitted in an axial position on the output shaft (5) of the electric motor and feeds at outlet a flow of liquid coolant directed towards a first heat exchanger (6) coupled to a power electronic supply circuit (7) of said motor; the first heat exchanger (6) having at least one outlet from which the liquid coolant is fed to a second heat exchanger (8) coupled to the windings of the electric motor for cooling the electric motor itself; the cooling system carrying out in succession removal of the heat from the power electronic supply circuit (7) and then from the electromagnetic part of the motor.

Classes IPC  ?

• F04D 5/00 - Pompes avec flux circonférentiel ou transversal
• H02K 1/32 - Parties tournantes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
• H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection

Abrégé

A method for pouring resin in a stator (2) of an electric machine, in particular an axial flux machine, in which a plurality of coils (5) is supported by a magnetic core (4) contained in a container (12), in which resin is poured in order to fill the spaces existing between the various components contained in the container (12). The method comprises the steps of heating a resin (20) until it reaches a pre-set temperature T1, corresponding to which is a target value of fluidity; supplying in a controlled way an electric current Istat to the coils (5) so that the current will flow in the coils (5), which behave as resistors, thus obtaining a heating by the Joule effect of the coils (5) which reach a temperature T2 that is higher than the temperature T1 of the resin; mixing the resin with a catalyst and pouring the mixture of resin and catalyst into the container (12) so that the resin fills said spaces; and obtaining complete hardening of the poured resin.

Classes IPC  ?

• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines
• H02K 9/22 - Dispositions de refroidissement ou de ventilation par un matériau solide conducteur de la chaleur s'encastrant dans, ou mis en contact avec, le stator ou le rotor, p. ex. des ponts de chaleur

Abrégé

A stage of a steam turbine, having a rotor extending along a longitudinal axis, has a fixed stage and a movable stage arranged successively along a flow channel for feeding steam in a direction substantially parallel to the longitudinal axis; the fixed stage has an inner ring coaxial with the longitudinal axis, and a number of stator blades arranged radially about the inner ring; each stator blade is fixed to an annular top portion of the inner ring, which has a top surface facing the flow channel and crosswise to the longitudinal axis; and the movable stage has a number of rotor blades arranged radially about the rotor and fixed to the rotor.

Classes IPC  ?

• F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs

Abrégé

A method for supplying a gas turbine plant includes the steps of : supplying a gas to premix nozzles (31) of a combustion chamber of the gas turbine; supplying a liquid fuel to the premix nozzles (31) of the gas turbine (11) through a premix supply line; and switching between the step of supplying a gas and the step of supplying a liquid fuel; before supplying the liquid fuel, a water flow rate (QA) is supplied to the premix nozzles (31) through the premix supply line for a cooling time (Ic) in absence of the liquid fuel, before supplying the liquid fuel. A liquid fuel flow rate (Qc) is added to the water flow rate (QA), at least a portion of which is removed while the liquid fuel flow rate (QC) continues to be supplied.

Classes IPC  ?

• F23K 5/18 - Dispositifs de nettoyage ou de purge, p. ex. filtres
• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible
• F23D 11/38 - AjutagesDispositifs de nettoyage des ajutages
• F23D 17/00 - Brûleurs pour la combustion simultanée ou alternative de combustibles gazeux, liquides ou pulvérulents
• F02C 9/40 - Commande de l'alimentation en combustible spécialement adaptée à l'utilisation d'un combustible particulier ou de plusieurs combustibles

Abrégé

A gasifier is provided with a hollow main body (2) apt to be supplied with the fuel and with at least one infrared- radiation source (20) for ignition of the fuel.

Classes IPC  ?

• C10J 3/18 - Procédés en continu au moyen de l'électricité
• H05B 3/26 - Éléments chauffants ayant une surface s'étendant essentiellement dans deux dimensions, p. ex. plaques chauffantes non flexibles le conducteur chauffant monté sur une base isolante

Abrégé

A stator of a turbo generator for the generation of electrical energy is provided with: a cylindrical core, which extends along a longitudinal axis and presents a plurality of axial cavities and two opposite headers; connection terminals of the turbo generator; a plurality of electrical windings, which are split into groups and which extend along paths defined in part in the axial cavities and in part at the headers; the electrical windings of each group being isopotential and connected in parallel between a pair of terminals; and a plurality of connection devices, each of which is adapted to define, at least at one of the headers, a segment of path in common with the isopotential electrical windings.

Classes IPC  ?

• H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection

Abrégé

A method for controlling a combined-cycle plant envisages regulating a high-pressure steam flowrate (QHP) fed to a high-pressure section (12) of a steam turbine (3). An output flowrate (Qo) from the high-pressure section (12) and a superheated steam flowrate (QS), supplied by a steam generator (7) through a regulation valve (30), are mixed to obtain an intermediate-pressure steam flowrate (QIP) to be supplied to an intermediate- pressure section (13) of the steam turbine (3). The high-pressure steam flowrate (QHP) is increased in response to detection of a subfrequency transient of an electrical network (36) connected to the plant (1). The regulation valve (30) is normally maintained at a partial opening degree. The opening degree of the regulation valve (30) is increased in response to a subfrequency transient so as to compensate for an increase in pressure at output from the high-pressure section (12) with a decrease of a head loss associated to the regulation valve (30) and prevent a reduction in the superheated steam flowrate (QS).

Classes IPC  ?

• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
• H02P 9/04 - Commande s'exerçant sur un moteur primaire non électrique et dépendant de la valeur d'une caractéristique électrique à la sortie de la génératrice

Abrégé

Alloy composition for the manufacture of protective coatings, comprising cobalt, nickel, chromium, aluminium, yttrium and iridium in amounts so as to obtain the phases α, β and σ, in particular for coating a super-alloy article. Preferably, such super-alloy article is a turbine component.

Classes IPC  ?

• C23C 4/08 - Matériaux métalliques ne contenant que des éléments métalliques
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
• C23C 30/00 - Revêtement avec des matériaux métalliques, caractérisé uniquement par la composition du matériau métallique, c.-à-d. non caractérisé par le procédé de revêtement

Abrégé

A gas turbine has a rotor (2), which is provided with a shaft (3) extending along a longitudinal axis (A) and having at least one annular groove (5), a bearing assembly (10) which may be accommodated into the groove (5) and is provided with a sliding bearing (11) and a cylindrical supporting body (12) arranged about the sliding bearing (11); the sliding bearing (11) axially protrudes with respect to the supporting body (12) in the contact area between the supporting body (12) and the sliding bearing (11).

Classes IPC  ?

• F01D 25/16 - Aménagement des paliersSupport ou montage des paliers dans les stators
• F01D 3/04 - "Machines" ou machines motrices avec équilibrage des poussées axiales effectué par le fluide énergétique la poussée axiale étant équilibrée par la poussée d'un piston d'équilibrage ou d'un organe analogue
• F16C 17/22 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge avec des dispositions pour compenser la dilatation thermique
• F16C 33/10 - Structures relatives à la lubrification
• F16C 17/10 - Paliers à contact lisse pour mouvement de rotation exclusivement à la fois pour charges radiales et axiales
• F16C 25/02 - Paliers à contact lisse

Abrégé

A binding element for the anchorage of a stator bar (6) of an electric machine. (1) is provided with a plurality of glass filaments (21) wound to form at least one strand (22), and a composition (23) impregnating the plurality of filaments (21), which comprises a resin modified with a nanoclay.

Classes IPC  ?

• H02K 3/50 - Fixation des têtes de bobines, des connexions équipotentielles ou des connexions s'y raccordant
• D07B 5/00 - Fabrication de cordes ou câbles avec des matériaux spéciaux ou de forme particulière

Abrégé

A stator bar for an electrical machine (1), having two opposed ends (7), is provided with a main body (10) defined by: a plurality of substantially parallel elongated conductive elements (15) stacked on columns (16) that are set alongside one another, in which each elongated conductive element (15) extends along a path having a plurality of transpositions (20) from one column (16) to the other; and a filling element (18) adapted for filling empty spaces of the main body (10) generated by the transpositions (20); the stator bar (6) is moreover provided with at least one lamina (12) made of conductive material having one end (24) electrically connected to an elongated conductive element (15) of the main body (10).

Classes IPC  ?

• H02K 3/14 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre disposés dans des encoches avec des conducteurs transposés, p. ex. des conducteurs torsadés

Abrégé

A ventilated rotor of a high-power turbogenerator for the production of electricity has a shaft extending along an axis; a plurality of axial slots obtained in the shaft; a plurality of conductor bars arranged at least partly in the slots; a plurality of axial channels suitable for ventilating the conductor bars; a plurality of subslots, each of which is arranged below a slot to distribute a ventilating gas; a plurality of axial portions traveled over by respective flows of ventilating gas along each axial channel; and at least one radial channel, which is intended to convey directly the ventilating gas from the subslot to the outer surface of the rotor via the conductor bars and is arranged between two consecutive and adjacent axial portions of an axial channel.

Classes IPC  ?

• H02K 1/32 - Parties tournantes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 9/00 - Dispositions de refroidissement ou de ventilation
• H02K 9/06 - Dispositions de refroidissement ou de ventilation par l'air ambiant s'écoulant à travers la machine comportant des moyens pour établir la circulation d'un agent de refroidissement avec des ventilateurs ou des dispositifs d'entraînement mûs par l'arbre de la machine

Abrégé

A gas turbine plant control device has control means for selectively controlling an exhaust gas temperature (TS) of the turbine (11) on the basis of at least two distinct reference values (TSRIFV0, TSRIFVI, TSRIFV2... TSRIFVn) related to a power output value (P) of the plant (1).

Classes IPC  ?

• F23N 1/02 - Régulation de l'alimentation en combustible conjointement au réglage de l'amenée d'air
• F23R 3/26 - Commande du flux d'air
• F02C 9/54 - Commande de l'alimentation en combustible combinée avec une autre commande de l'ensemble fonctionnel avec la commande du flux du fluide de travail par étranglement du passage du fluide de travail, par réglage des aubes

Abrégé

A method for designing turbo-machine blades includes: determining primary fluid-dynamic data (FDS) related to a plurality of first blade sections (S1, S2,..., SK); determining structural data (SDS); and correlating fluid-dynamic data (FDS) to corresponding structural data (SDS). Furthermore, correlating fluid- dynamic data (FDS) to corresponding structural data (SDS) includes: determining interpolated fluid-dynamic data (FDS' ), related to a plurality of second blade sections (SINTH) interposed between corresponding first blade sections (S1, S2,..., Sϰ), starting from primary fluid-dynamic data (FDS); defining a modified fluid- dynamic data set (FDS'), including both primary fluid- dynamic data (FDS) and interpolated fluid-dynamic data (FDS' ); and associating modified fluid-dynamic data (FDS') to corresponding structural data (SDS).

Classes IPC  ?

• G06F 17/50 - Conception assistée par ordinateur
• F01D 5/14 - Forme ou structure

Abrégé

A stage of a steam turbine (1), having a rotor (2) extending along a longitudinal axis (A), has a fixed stage (8) and a movable stage (9) arranged successively along a flow channel (4) for feeding steam in a direction (D) substantially parallel to the longitudinal axis (A); the fixed stage (8) has an inner ring (20) coaxial with the longitudinal axis (A), and a number of stator blades (22) arranged radially about the inner ring (20); each stator blade (22) is fixed to an annular top portion (27) of the inner ring (20), which has a top surface (30) facing the flow channel (4) and crosswise to the longitudinal axis (A); and the movable stage (9) has a number of rotor blades (15) arranged radially about the rotor (2) and fixed to the rotor (2).

Classes IPC  ?

• F01D 5/14 - Forme ou structure
• F01D 9/04 - InjecteursLogement des injecteursAubes de statorTuyères de guidage formant une couronne ou un secteur

Abrégé

A control device of a gas turbine electric energy production plant (1), which delivers a power (P) at a frequency (fI) presents power control means (15), for controlling the power (P) delivered by the plant (1) by means of a first control signal (UΔP) which determines the supply of fuel to a portion (11) of the plant (1) according to a reference power value (PSETNEW), and frequency control means (16), for determining correction values (PFSET) of the reference power value (PSETNEW) according to a frequency error (eF), given by the difference between the plant frequency (fI) and a nominal frequency (fN) which comprise step control means (22) configured to adjust the supply of fuel to the portion (11) of the plant (1) by means of a second control signal (USTEP) concurrent with the first control signal (UΔP), when the derivative of the frequency (fI) of the plant (1) assumes values higher than a threshold value (S).

Classes IPC  ?

• H02P 9/04 - Commande s'exerçant sur un moteur primaire non électrique et dépendant de la valeur d'une caractéristique électrique à la sortie de la génératrice

Abrégé

A control device of a gas turbine electric energy production plant (1), which delivers a power (P) at a frequency (f I) presents power control means (15) for controlling the power (P) delivered by the plant according to a reference power value (PSETNEW), and frequency control means (16), for determining correction values (PFSETPR; PFSETINT) of the reference power value (PSETNEW) according to a frequency error (eF), given by the difference between the plant frequency (fI) and a nominal frequency (fN), which comprise integral control means (22) configured to calculate the correction values (PFSETINT) and selectively activatable when the frequency error (eF) is beyond a first frequency range (B1).

Classes IPC  ?

• H02P 9/00 - Dispositions pour la commande de génératrices électriques de façon à obtenir les caractéristiques désirées à la sortie

Abrégé

A maintenance method of a gas turbine unit (1), having a first stator element (6) provided with first connecting holes (10) contemplates replacing a second stator element (8), provided with second connecting holes (11) and connected to the first stator element (6) by means of coupling pins insertable into the first and the second connecting holes (10, 11), with a third spare stator element (35) provided with third connecting holes (36); and coupling the first stator element (6) to the third spare stator element (35) by means of eccentric coupling pins (22a) and eccentric bushes (24), each of which is selectively insertable in the first and the third connecting holes (10, 36).

Classes IPC  ?

• F16B 19/02 - Chevilles ou manchons pour positionner les parties de machines, p. ex. goupilles coniques à encoche, goupilles de montage, manchons, bagues excentriques d'ajustement
• F01D 25/24 - Carcasses d'enveloppeÉléments de la carcasse, p. ex. diaphragmes, fixations
• F01D 9/02 - InjecteursLogement des injecteursAubes de statorTuyères de guidage
• F16B 12/20 - Jointure des meubles ou objets similaires, p. ex. masquée de l'extérieur par chevilles, boulons, tenons, brides, clips ou dispositifs similaires pour éléments de meubles non métalliques, p. ex. en bois, en matériau plastique utilisant des brides, clips, coins, boulons coulissants ou dispositifs similaires

Abrégé

An air intake (1) for a compressor (2) has an inlet portion (11) for drawing in outside air, the inlet portion (11) extending along a first axis (B); an outlet portion (13) for feeding the aspirated air to the compressor (2), the outlet portion (13) extending along a second axis (C) not aligned with the first axis (B); and a connecting portion (12) connecting the inlet portion (11) to the outlet portion (13); the air intake (1) also has at least a first baffle (17; 18) housed inside the air intake (1) to divert airflow from the inlet portion (11) to the outlet portion (13).

Classes IPC  ?

• F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
• F04D 29/54 - Moyens de guidage du fluide, p. ex. diffuseurs
• F04D 29/70 - Grilles d'aspirationFiltresSéparateurs de poussièreNettoyage
• F02C 7/045 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction comportant des dispositifs destinés à supprimer le bruit

Abrégé

A combination-cycle electric power plant has a gas turbine unit (2); a steam turbine unit (3); a steam circuit (17) extending through a number of heat exchange modules (15, 24, 30, 33, 34, 35, 37, 38, 40, 41, 42, 43, 44) arranged in line; and a post-firing, heat-recovery steam generator (16), which transfers the residual energy of the exhaust gases from the gas turbine unit (2) to the steam, and is equipped with a power-adjustable first burner (20) for heating the number of heat exchange modules (15, 24, 30, 33, 34, 35, 37, 38, 40, 41, 42, 43, 44), and with a power-adjustable second burner (21) arranged to only heat some of the heat exchange modules in the number of heat exchange modules (15, 24, 30, 33, 34, 35, 37, 38, 40, 41, 42, 43, 44).

Classes IPC  ?

• F01K 23/10 - Ensembles fonctionnels caractérisés par plus d'une machine motrice fournissant de l'énergie à l'extérieur de l'ensemble, ces machines motrices étant entraînées par des fluides différents les cycles de ces machines motrices étant couplés thermiquement la chaleur de combustion provenant de l'un des cycles chauffant le fluide dans un autre cycle le fluide à la sortie de l'un des cycles chauffant le fluide dans un autre cycle
• F22B 1/18 - Méthodes de production de vapeur caractérisées par le genre de chauffage par exploitation de l'énergie thermique contenue dans une source chaude la source chaude étant un gaz chaud, p. ex. des gaz d'évacuation tels que les gaz d'échappement de moteurs à combustion interne
• F23C 6/04 - Appareils à combustion caractérisés par la combinaison d'au moins deux chambres de combustion disposées en série
• G05D 23/00 - Commande de la température

Abrégé

A turbogas system multistage compressor (1) extends along a longitudinal axis (A), and has an inlet (4), and an outlet diffuser (5), between which are located in succession a first stage (10), a number of intermediate stages (11), and a final stage (12); the final stage (12) has an array of fixed blades (15a) on which an airflow impinges; and the fixed blades are substantially equally spaced about the axis (A) of the compressor (1), and are designed to produce a deflection, substantially ranging between approximately 15° and 30°, of the airflow impinging on the fixed blades (15a).

Classes IPC  ?

• F04D 29/54 - Moyens de guidage du fluide, p. ex. diffuseurs

Abrégé

A method for the ultrasonic inspection of metal components provides: alternatively emitting ultrasonic inspection signals (SI) towards the inside of a metal component (1) and receiving return signals (SR) in each of a plurality of detection positions (ϑI, ϑI+J) of a scanning path of the metal component (1); sampling the return signals (SR), to form first vectors (A-SCANI, A- SCANI+J) including respective series of temporally sorted elements (A-SCANI+J(K) ); defining a synthetic array (SAI) including a plurality of first vectors (A-SCANI, A- SCANI+J) corresponding to respective adjacent detection positions (ϑI, ϑI+J); and focusing the first vectors (A- SCANI, A-SCANI+J) of the synthetic array (SAI). The focusing step comprises applying phase translations (K' ) to the elements (A-SCANI+J(K) ) of the first vectors (A- SCANI, A-SCANI+J) of the synthetic array (SAI). Furthermore, the phase translation (K' ) respectively applied to each element (A-SCANI+J(K) ) is correlated to a position (K) of the element (A-SCANI+J(K) ) itself in the series of elements forming the respective first vector (A-SCANI, A-SCANI+J) of the synthetic array (SAI).

Classes IPC  ?

• G01N 29/24 - Sondes
• G01N 29/44 - Traitement du signal de réponse détecté

Abrégé

A gas turbine blade (1) has: a main hollow body (2) substantially extending along a longitudinal axis (A) and having a leading edge (6), a trailing edge (7), opposite to the leading edge (6), a suction side (8), and a pressure side (9), both comprised between the leading edge (6) and the trailing edge (7); a hollow cooling element (3) extending along the axis (A), which is equipped with a plurality of cooling holes (17) and is set within the main body (2) so as to define a gap (14) between the main body (2) and the cooling element (3); and a rib (4), which is set within the gap (14) for connecting the main body (2) with the cooling element (3) on the suction side, in an area of the main body (2) without holes for communication between the gap (14) and the outside of the blade (1).

Classes IPC  ?

• F01D 5/18 - Aubes creusesDispositifs de chauffage, de protection contre l'échauffement ou de refroidissement des aubes

Abrégé

A gas-turbine burner is provided with a first duct (18), in which fuel gas with low calorific value is supplied in use, and with a second duct (17), in which combustion air is supplied in use; the first and the second ducts (17, 18) are concentric with respect to a longitudinal axis (2); the burner (4) then has a swirler (6), set at the outlet of said second duct (17), and a converging nozzle (50) at the outlet of the first duct (18); the converging nozzle (50) is set downstream of a plate (58), which has a plurality of holes with a calibrated section of passage.

Classes IPC  ?

• F23R 3/28 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux caractérisées par l'alimentation en combustible
• F23R 3/36 - Alimentation en combustibles différents
• F23N 1/00 - Régulation de l'alimentation en combustible