Patents by Inventor Jeffrey James Andritz
Jeffrey James Andritz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8838398Abstract: A hydrogen cooled generator having a system for diagnosing problems associated with a seal oil system. Included is a shaft having a turbine end and a collector end; a first shaft seal located about the shaft at the turbine end; a second shaft seal located about the shaft at the collector end; a first set of sensors for measuring seal oil pressure differentials across both shaft seals; a second set of sensors for measuring seal oil temperature differentials across both shaft seals; a third sensor for measuring a hydrogen side seal oil flow rate; and a system for analyzing data collected from at least two sensors to diagnose the shaft seals.Type: GrantFiled: March 17, 2010Date of Patent: September 16, 2014Assignee: General Electric CompanyInventors: Jeffrey James Andritz, James Daniel Antalek, Daniel James Fitzmorris, Anthony James George, Abby Marie Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata
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Patent number: 8768112Abstract: A system includes an electrical generator comprising a stator, a rotor, and a gas coolant path through an interior of the electrical generator and at least one fiber optic purity sensor configured to sense a gas purity of a flow of a gas coolant through the gas coolant path.Type: GrantFiled: October 22, 2010Date of Patent: July 1, 2014Assignee: General Electric CompanyInventors: Matthew Robert Martin, Anthony James George, Jeffrey James Andritz, James Daniel Antalek, James Thomas Clark
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Patent number: 8564237Abstract: In an embodiment, a system includes: a casing for surrounding at least a portion of a rotor, and enclosing a volume of a cooling gas thereabout, the casing including a plurality of static seals; an end housing at each end of the casing, each end housing including a seal system through which the rotor extends, wherein a portion of cooling gas escapes from the casing to at least one seal area; and a source of cooling gas fluidly coupled to the casing by a cooling gas regulator. The system may further include: a scavenging system coupled to each end housing for removing a gas mixture therefrom including a portion of escaping cooling gas; a sensor for determining a purity of the cooling gas in the casing; and a static seal leak detector that generates an alarm indicative of a leak in at least one of the plurality of static seals.Type: GrantFiled: January 5, 2011Date of Patent: October 22, 2013Assignee: General Electric CompanyInventors: Vinodh Kumar Bandaru, Jeffrey James Andritz, James Daniel Antalek, Krishna Swamy Cherukuri, Daniel James Fitzmorris, Anthony James George, Nicola Piccirillo, Sudhanshu Rai
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Patent number: 8467977Abstract: A carbon dioxide (CO2) purity sensor package includes a fiber core, a periodic refractive index modulated fiber grating structure within the fiber core and a fiber cladding. A thermally conductive sensing layer is positioned about a portion of the fiber cladding surrounding the periodic refractive index modulated fiber grating structure. A gas chamber encloses the fiber cladding with the thermally conductive sensing layer.Type: GrantFiled: July 29, 2010Date of Patent: June 18, 2013Assignee: General Electric CompanyInventors: Hua Xia, Anthony James George, Renato Guida, James Daniel Antalek, James Thomas Clark, Jeffrey James Andritz, Michael James Palleschi, Dennis Anthony Pasquarella, Aniceto Domingo Bantug, IV
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Patent number: 8344676Abstract: Detection of, among other things, seal leakage(s) and/or seal oil contamination for a gas cooled generator are provided. Detectors according to some embodiments of the invention provide mechanisms of early detection of cooling gas, e.g., hydrogen, leakage through leakage sources as well as low purity and high cooling gas consumption problems in a gas cooled generator.Type: GrantFiled: June 17, 2010Date of Patent: January 1, 2013Assignee: General Electric CompanyInventors: Vinodh Kumar Bandaru, Jeffrey James Andritz, James Daniel Antalek, Krishna Swamy Cherukuri, Daniel James Fitzmorris, Anthony James George, Nicola Piccirillo, Sudhanshu Rai
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Publication number: 20120098360Abstract: A system includes an electrical generator comprising a stator, a rotor, and a gas coolant path through an interior of the electrical generator and at least one fiber optic purity sensor configured to sense a gas purity of a flow of a gas coolant through the gas coolant path.Type: ApplicationFiled: October 22, 2010Publication date: April 26, 2012Applicant: General Electric CompanyInventors: Matthew Robert Martin, Anthony James George, Jeffrey James Andritz, James Daniel Antalek, James Thomas Clark
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Patent number: 8128875Abstract: Systems for controlling hydrogen purity in a power plant system are disclosed. In one embodiment, a hydrogen control system for a generator housing includes: a mass flow control system fluidly connected to the generator housing, the mass flow control system being configured to measure a flow rate of a gas mixture extracted from the generator housing and modify the flow rate of the gas mixture across a range of flow rates; and a vent conduit fluidly connected to the mass flow control system, the vent conduit for receiving a portion of the gas mixture from the mass flow control system and feeding the portion of the gas mixture to an outlet.Type: GrantFiled: February 26, 2010Date of Patent: March 6, 2012Assignee: General Electric CompanyInventors: James Daniel Antalek, Jeffrey James Andritz, Anthony James George, Hans Milton Knuijt, Abby Marie Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata
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Publication number: 20120029835Abstract: A carbon dioxide (CO2) purity sensor package includes a fiber core, a periodic refractive index modulated fiber grating structure within the fiber core and a fiber cladding. A thermally conductive sensing layer is positioned about a portion of the fiber cladding surrounding the periodic refractive index modulated fiber grating structure. A gas chamber encloses the fiber cladding with the thermally conductive sensing layer.Type: ApplicationFiled: July 29, 2010Publication date: February 2, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Hua Xia, Anthony James George, Renato Guida, James Daniel Antalek, James Thomas Clark, Jeffrey James Andritz, Michael James Palleschi, Dennis Anthony Pasquarella, Aniceto Domingo Bantug, IV
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Publication number: 20110309780Abstract: Detection of, among other things, seal leakage(s) and/or seal oil contamination for a gas cooled generator are provided. Detectors according to some embodiments of the invention provide mechanisms of early detection of cooling gas, e.g., hydrogen, leakage through leakage sources as well as low purity and high cooling gas consumption problems in a gas cooled generator.Type: ApplicationFiled: June 17, 2010Publication date: December 22, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Vinodh Kumar Bandaru, Jeffrey James Andritz, James Daniel Antalek, Krishna Swamy Cherukuri, Daniel James Fitzmorris, Anthony James George, Nicola Piccirillo, Sudhanshu Rai
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Publication number: 20110308300Abstract: In an embodiment, a system includes: a casing for surrounding at least a portion of a rotor, and enclosing a volume of a cooling gas thereabout, the casing including a plurality of static seals; an end housing at each end of the casing, each end housing including a seal system through which the rotor extends, wherein a portion of cooling gas escapes from the casing to at least one seal area; and a source of cooling gas fluidly coupled to the casing by a cooling gas regulator. The system may further include: a scavenging system coupled to each end housing for removing a gas mixture therefrom including a portion of escaping cooling gas; a sensor for determining a purity of the cooling gas in the casing; and a static seal leak detector that generates an alarm indicative of a leak in at least one of the plurality of static seals.Type: ApplicationFiled: January 5, 2011Publication date: December 22, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Vinodh Kumar Bandaru, Jeffrey James Andritz, James Daniel Antalek, Krishna Swamy Cherukuri, Daniel James Fitzmorris, Anthony James George, Nicola Piccirillo, Sudhanshu Rai
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Patent number: 8051953Abstract: A hydrogen cooled generator includes a lubricant drain system. The lubricant drain system includes a hydrogen detraining tank having a hollow interior portion. A sensor is operatively mounted in the hydrogen detraining tank. The sensor is configured and disposed to detect an interface zone between an amount of lubricant and an amount of hydrogen gas in the hollow interior portion. A drain line is fluidly coupled to the hydrogen detraining tank. The drain line includes a first end portion that is exposed in the hollow interior portion and a second end portion. A valve is mounted in the drain line. A controller is operatively connected to the sensor and the valve. The controller is configured to selectively open the valve allowing a portion of the amount of lubricant to flow from the hollow interior portion when the interface zone is above the first end portion of the drain line.Type: GrantFiled: January 4, 2010Date of Patent: November 8, 2011Assignee: General Electric CompanyInventors: James Daniel Antalek, Jeffrey James Andritz, Anthony James George, Hans Knuijt, Abby Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata
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Publication number: 20110231111Abstract: A hydrogen cooled generator having a system for diagnosing problems associated with a seal oil system. Included is a shaft having a turbine end and a collector end; a first shaft seal located about the shaft at the turbine end; a second shaft seal located about the shaft at the collector end; a first set of sensors for measuring seal oil pressure differentials across both shaft seals; a second set of sensors for measuring seal oil temperature differentials across both shaft seals; a third sensor for measuring a hydrogen side seal oil flow rate; and a system for analyzing data collected from at least two sensors to diagnose the shaft seals.Type: ApplicationFiled: March 17, 2010Publication date: September 22, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Jeffrey James Andritz, James Daniel Antalek, Daniel James Fitzmorris, Anthony James George, Abby Marie Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata
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Publication number: 20110210628Abstract: Systems for controlling hydrogen purity in a power plant system are disclosed. In one embodiment, a hydrogen control system for a generator housing includes: a mass flow control system fluidly connected to the generator housing, the mass flow control system being configured to measure a flow rate of a gas mixture extracted from the generator housing and modify the flow rate of the gas mixture across a range of flow rates; and a vent conduit fluidly connected to the mass flow control system, the vent conduit for receiving a portion of the gas mixture from the mass flow control system and feeding the portion of the gas mixture to an outlet.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: James Daniel Antalek, Jeffrey James Andritz, Anthony James George, Hans Milton Knuijt, Abby Marie Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata
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Publication number: 20110163018Abstract: A hydrogen cooled generator includes a lubricant drain system. The lubricant drain system includes a hydrogen detraining tank having a hollow interior portion. A sensor is operatively mounted in the hydrogen detraining tank. The sensor is configured and disposed to detect an interface zone between an amount of lubricant and an amount of hydrogen gas in the hollow interior portion. A drain line is fluidly coupled to the hydrogen detraining tank. The drain line includes a first end portion that is exposed in the hollow interior portion and a second end portion. A valve is mounted in the drain line. A controller is operatively connected to the sensor and the valve. The controller is configured to selectively open the valve allowing a portion of the amount of lubricant to flow from the hollow interior portion when the interface zone is above the first end portion of the drain line.Type: ApplicationFiled: January 4, 2010Publication date: July 7, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: James Daniel Antalek, Jeffrey James Andritz, Anthony James George, Hans Knuijt, Abby Magro, Kevin Jon O'Dell, Fotios Raftelis, Steven Paul Scarlata