Patent application number | Description | Published |
20090158747 | METHOD FOR THE CONTROLLED PURGING OF THE FUEL FEEDING SYSTEM IN THE COMBUSTOR OF A GAS TURBINE - A method is described for the controlled purging of the fuel feeding system in the combustor of a gas turbine comprising at least one compressor, capable of compressing the air introduced into it through an inlet duct, at least one combustor, in which said compressed air is mixed and combusted with a gaseous fuel coming from a feeding duct, and at least one turbine, capable of transforming the energy of the combusted gas coming from said combustion chamber into work energy which can be exploited for activating one or more operating machines. The combustor is equipped with one or more burners, each equipped with at least one pilot injector and one or more main injectors for the adduction of the gaseous fuel inside the burner. The method comprises purging at least part of the main injectors and relative manifolds with a stream of gaseous fuel when the turbine is in diffusive flame functioning mode. | 06-25-2009 |
20120027623 | METHOD AND DEVICE FOR CONTROLLING A HOT RESTART OF A CENTRIFUGAL COMPRESSOR - Methods, devices and systems capable of performing a hot restart of a compressor driven by a turbine are provided. The turbine has a high speed shaft and a low speed shaft connected to the compressor. A base slow roll speed at which a speed of the low speed shaft is in a slow roll range is maintained at the high speed shaft for a predetermined time. Then, when a vibration amplitude of the compressor is larger than a vibration limit, the maintaining is repeated. Otherwise, a set speed of the high speed shaft is increased, until a current speed of the low speed shaft reaches a minimum operating speed. If, while increasing the set speed, the vibration amplitude becomes larger than the vibration limit, the maintaining is repeated. | 02-02-2012 |
20140318144 | DEVICE AND METHOD FOR SLOW TURNING OF AN AERODERIVATIVE GAS TURBINE - An aeroderivative gas turbine, including a gas generator, a gas generator rotor, a power turbine section, and a slow turning device, wherein said slow turning device is designed and arranged to keep said rotor in rotary motion after turbine shut-down. | 10-30-2014 |
Patent application number | Description | Published |
20090158702 | METHOD FOR CONTROLLING THE LOAD VARIATIONS IN A GAS TURBINE - A method is described for controlling load variations in a gas turbine. The method comprises reducing the flow of gaseous fuel entering the combustor to a predefined minimum value, if an increase is observed in the rotation regime of said turbine above a predefined maximum value and a total reduction in the load, activating a selective feeding sequence of the burners if the turbine is operating in normal functioning or premixed flame mode, modifying the angulation of the adjustable stator vanes, in order to reduce the speed rate of the compressor, and opening one or more anti-surge valves and one or more overboard bleeds, in order to reduce the air flow at the inlet of the combustor. | 06-25-2009 |
20150040578 | DEVICE AND METHOD FOR GAS TURBINE UNLOCKING - An aeroderivative gas turbine including an air intake plenum; a compressor with a compressor air intake in fluid communication with the air intake plenum; a combustor; a high pressure turbine; a power turbine. A forced air-stream generator is arranged in fluid communication with the air intake plenum. A shutter arrangement is provided in a combustion-air flow path, arranged and controlled to close the combustion-air flow path for pressurizing said air intake plenum by means of the forced air-stream generator to a pressure sufficient to cause pressurized air to flow through the aeroderivative air turbine. | 02-12-2015 |
20150044022 | METHOD AND DEVICE FOR CONTROLLING A HOT RESTART OF A CENTRIFUGAL COMPRESSOR - Methods, devices and systems capable of performing a hot restart of a compressor driven by a turbine are provided. The turbine has a high speed shaft and a low speed shaft connected to the compressor. A base slow roll speed at which a speed of the low speed shaft is in a slow roll range is maintained at the high speed shaft for a predetermined time. Then, when a vibration amplitude of the compressor is larger than a vibration limit, the maintaining is repeated. Otherwise, a set speed of the high speed shaft is increased, until a current speed of the low speed shaft reaches a minimum operating speed. If, while increasing the set speed, the vibration amplitude becomes larger than the vibration limit, the maintaining is repeated. | 02-12-2015 |
Patent application number | Description | Published |
20100330193 | METHODS OF TREATING TERM AND NEAR-TERM NEONATES HAVING HYPOXIC RESPIRATORY FAILURE ASSOCIATED WITH CLINICAL OR ECHOCARDIOGRAPHIC EVIDENCE OF PULMONARY HYPERTENSION - The invention relates methods of reducing the risk or preventing the occurrence of an adverse event (AE) or a serious adverse event (SAE) associated with a medical treatment comprising inhalation of nitric oxide. | 12-30-2010 |
20100330206 | METHODS OF TREATING TERM AND NEAR-TERM NEONATES HAVING HYPOXIC RESPIRATORY FAILURE ASSOCIATED WITH CLINICAL OR ECHOCARDIOGRAPHIC EVIDENCE OF PULMONARY HYPERTENSION - The invention relates methods of reducing the risk or preventing the occurrence of an adverse event (AE) or a serious adverse event (SAE) associated with a medical treatment comprising inhalation of nitric oxide. | 12-30-2010 |
20100330207 | METHODS OF TREATING TERM AND NEAR-TERM NEONATES HAVING HYPOXIC RESPIRATORY FAILURE ASSOCIATED WITH CLINICAL OR ECHOCARDIOGRAPHIC EVIDENCE OF PULMONARY HYPERTENSION - The invention relates methods of reducing the risk or preventing the occurrence of an adverse event (AE) or a serious adverse event (SAE) associated with a medical treatment comprising inhalation of nitric oxide. | 12-30-2010 |
20100331405 | Methods of Treating Term and Near-Term Neonates Having Hypoxic Respiratory Failure Associated with Clinical or Echocardiographic Evidence of Pulmonary Hypertension - The invention relates methods of reducing the risk or preventing the occurrence of an adverse event (AE) or a serious adverse event (SAE) associated with a medical treatment comprising inhalation of nitric oxide. | 12-30-2010 |
20130040000 | Methods of reducing the risk of occurrence of pulmonary edema associated with inhalation of nitric oxide gas - Disclosed are methods of reducing the risk of occurrence of pulmonary edema associated with a medical treatment comprising inhalation of nitric oxide gas. | 02-14-2013 |
20130068223 | METHODS OF DISTRIBUTING A PHARMACEUTICAL PRODUCT COMPRISING NITRIC OXIDE GAS FOR INHALATION - Disclosed are methods of distributing a pharmaceutical product comprising nitric oxide gas for inhalation. | 03-21-2013 |
20130074839 | SYSTEM FOR USE IN ADMINISTERING INHALED NITRIC OXIDE GAS - Disclosed are systems for use in administering inhaled nitric oxide gas as a therapeutic treatment, where the systems reduce the risk of inducing an increase in pulmonary capillary wedge pressure leading to pulmonary edema in neonatal patients who have hypoxic respiratory failure and are candidates for inhaled nitric oxide treatment, the system comprising a source of pharmaceutically acceptable nitric oxide gas for inhalation, a delivery device suitable for delivering nitric oxide gas from the source to a term or near-term neonate patient, and instructions for use in operating the system. | 03-28-2013 |
20130078321 | METHODS FOR TREATING PATIENTS WHO ARE CANDIDATES FOR INHALED NITRIC OXIDE TREATMENT - Disclosed are methods of reducing the risk that a medical treatment comprising inhalation of nitric oxide gas will induce an increase in pulmonary capillary wedge pressure in the patient, leading to pulmonary edema. | 03-28-2013 |
20140338665 | Methods for improving the safety of treating patients who are candidates for inhaled nitric oxide treatment - Disclosed are methods of reducing the risk that a medical treatment comprising inhalation of nitric oxide gas will induce an increase in pulmonary capillary wedge pressure in pediatric patients, leading to pulmonary edema. The methods include avoiding or discontinuing administration of inhaled nitric oxide to a pediatric patient determined to have pre-existing left ventricular dysfunction but who otherwise is a candidate for inhaled nitric oxide treatment (e.g., for pulmonary hypertension), and administering inhaled nitric oxide to pediatric patients who are candidates for such treatment and who are determined not to have pre-existing left ventricular dysfunction. | 11-20-2014 |
20140348955 | Methods for improving the safety of treating pediatric patients who are candidates for inhaled nitric oxide treatment - Disclosed are methods of reducing the risk that a medical treatment comprising inhalation of nitric oxide gas will induce an increase in pulmonary capillary wedge pressure in pediatric patients, leading to pulmonary edema. The methods include avoiding or discontinuing administration of inhaled nitric oxide to a pediatric patient determined to have pre-existing left ventricular dysfunction but who otherwise is a candidate for inhaled nitric oxide treatment (e.g., for pulmonary hypertension), and administering inhaled nitric oxide to pediatric patients who are candidates for such treatment and who are determined not to have pre-existing left ventricular dysfunction. | 11-27-2014 |
20140377378 | METHODS OF DISTRIBUTING A PHARMACEUTICAL PRODUCT COMPRISING NITRIC OXIDE GAS FOR INHALATION - Disclosed are methods of distributing a pharmaceutical product comprising nitric oxide gas for inhalation. The methods include, for example, obtaining a cylinder containing nitric oxide gas and supplying the cylinder to a medical provider along with instructions regarding how to administer the gas safely to pediatric patients, the instructions including information that patients who have pre-existing left ventricular dysfunction and are administered inhaled nitric oxide may experience pulmonary edema. | 12-25-2014 |
Patent application number | Description | Published |
20100072706 | MECHANICAL SEALING SYSTEM AND METHOD FOR ROTARY MACHINES - A rotary machine includes a machine rotor, a machine stator, and a fluid seal disposed between the machine rotor and the machine stator. The fluid seal includes a fluid seal stator, a fluid seal rotor, and an active gap control mechanism coupled to the fluid seal stator. The fluid seal is configured to control a gap between the fluid seal stator and the fluid seal rotor. | 03-25-2010 |
20120027623 | METHOD AND DEVICE FOR CONTROLLING A HOT RESTART OF A CENTRIFUGAL COMPRESSOR - Methods, devices and systems capable of performing a hot restart of a compressor driven by a turbine are provided. The turbine has a high speed shaft and a low speed shaft connected to the compressor. A base slow roll speed at which a speed of the low speed shaft is in a slow roll range is maintained at the high speed shaft for a predetermined time. Then, when a vibration amplitude of the compressor is larger than a vibration limit, the maintaining is repeated. Otherwise, a set speed of the high speed shaft is increased, until a current speed of the low speed shaft reaches a minimum operating speed. If, while increasing the set speed, the vibration amplitude becomes larger than the vibration limit, the maintaining is repeated. | 02-02-2012 |
20150044022 | METHOD AND DEVICE FOR CONTROLLING A HOT RESTART OF A CENTRIFUGAL COMPRESSOR - Methods, devices and systems capable of performing a hot restart of a compressor driven by a turbine are provided. The turbine has a high speed shaft and a low speed shaft connected to the compressor. A base slow roll speed at which a speed of the low speed shaft is in a slow roll range is maintained at the high speed shaft for a predetermined time. Then, when a vibration amplitude of the compressor is larger than a vibration limit, the maintaining is repeated. Otherwise, a set speed of the high speed shaft is increased, until a current speed of the low speed shaft reaches a minimum operating speed. If, while increasing the set speed, the vibration amplitude becomes larger than the vibration limit, the maintaining is repeated. | 02-12-2015 |