Patents by Inventor Roy Paul Swintek
Roy Paul Swintek 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: 8894372Abstract: Systems, methods and devices adapted to ease installation of turbine bucket assemblies about a rotor and to reduce related stress concentrations in the rotor are disclosed. In one embodiment, an insert includes: a base portion adapted to complement an entry slot in a rotor of a turbine; and a neck portion extending radially outboard from the base portion, the neck portion adapted to complement a post of the rotor to form a substantially continuous dovetail about the rotor.Type: GrantFiled: December 21, 2011Date of Patent: November 25, 2014Assignee: General Electric CompanyInventors: Fred Thomas Willett, Jr., Laurence Scott Duclos, Michael Dennis Mack, Timothy Scott McMurray, Roy Paul Swintek
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Publication number: 20130164138Abstract: Systems, methods and devices adapted to ease installation of turbine bucket assemblies about a rotor and to reduce related stress concentrations in the rotor are disclosed. In one embodiment, an insert includes: a base portion adapted to complement an entry slot in a rotor of a turbine; and a neck portion extending radially outboard from the base portion, the neck portion adapted to complement a post of the rotor to form a substantially continuous dovetail about the rotor.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Fred Thomas Willett, JR., Laurence Scott Duclos, Michael Dennis Mack, Timothy Scott McMurray, Roy Paul Swintek
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Publication number: 20130064665Abstract: A low pressure steam turbine is disclosed including a rotor having: a rotor body; and a plurality of bucket stages disposed axially along the rotor body, the plurality of bucket stages including a last bucket stage; and a nozzle assembly at least partially surrounding the rotor, the nozzle assembly including a plurality of nozzle stages corresponding to the plurality of bucket stages, wherein a nozzle in a nozzle stage axially upstream of the last bucket stage is adjustable to modify a fluid flow within the last bucket stage during operation of the low pressure steam turbine.Type: ApplicationFiled: September 13, 2011Publication date: March 14, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Roy Paul Swintek, Asif Iqbal Ansari, Joshy John, Moorthi Subramaniyan, Lakshmanan Valliappan
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Patent number: 8251643Abstract: A steam turbine and a rotor are disclosed having steam extending internally along at least part of the rotor. The rotor includes an interface and a steam passage system formed in the rotor, the passage system including a first inlet flow passage to the interface, the first inlet flow passage configured to receive steam from a first region of an outer surface of the rotor, a first outlet flow passage from the interface, the first outlet flow passage configured to pass steam to a second region of the rotor, a second inlet flow passage to the interface, the second inlet flow passage configured to receive steam from a third region of the outer surface of the rotor, a second outlet flow passage from the interface, the second outlet flow passage configured to pass steam to a fourth region of the rotor.Type: GrantFiled: September 23, 2009Date of Patent: August 28, 2012Assignee: General Electric CompanyInventors: Xiaoqing Zheng, Michael John Bowman, Roy Paul Swintek
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Patent number: 8240913Abstract: A device includes a stationary, rotary component, and a fiber optic sensing system. The fiber optic sensing system includes a cable having one or more fiber optic sensors disposed on the stationary component, the rotary component, or combinations thereof. The fiber optic sensing system is configured to detect one or more first parameters including temperature, strain, pressure, vibration, torque; or combinations thereof related to the stationary component, the rotary component, or combinations thereof. The one or more first parameters is used to determine one or more second parameters including thermal expansion, clearance, fluid flow rate variation, condensation, fluid leakage, thermal loss, life, thermal stress, or combinations thereof related to the stationary component, the rotary component, or combinations thereof.Type: GrantFiled: September 24, 2008Date of Patent: August 14, 2012Assignee: General Electric CompanyInventors: Danian Zheng, Norman Arnold Turnquist, Peter John Eisenzopf, Kevin Thomas McCarthy, Hua Xia, Roy Paul Swintek
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Publication number: 20120201489Abstract: A method includes transmitting light through at least one transmission optical fiber towards a target, receiving light reflected from the target through at least one signal optical fiber, filtering the received light at least two different wavelengths, and using the filtered light to detect a clearance variation. An optical fiber probe includes a plurality of optical fibers, a moisture-resistant enclosure enclosing the optical fibers, a hydrophobic layer situated over an end of the optical fiber probe for preventing moisture from reaching the optical fibers, and a broadband transmission layer between ends of the optical fibers and the hydrophobic layer.Type: ApplicationFiled: August 2, 2011Publication date: August 9, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Danian Zheng, Peter John Eisenzopf, Kevin Thomas McCarthy, Roy Paul Swintek, Norman Arnold Turnquist, Hua Xia
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Patent number: 8009939Abstract: A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fiber and at least one of the optical fibers comprising a signal fiber; a light source for providing light through the transmission fiber towards a target; filters for receiving light from the signal fibers, at least two of the filters for filtering different wavelengths; and at least one photodetector for receiving filtered light from the filters.Type: GrantFiled: September 30, 2008Date of Patent: August 30, 2011Assignee: General Electric CompanyInventors: Danian Zheng, Peter John Eisenzopf, Kevin Thomas McCarthy, Roy Paul Swintek, Norman Arnold Turnquist, Hua Xia
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Publication number: 20110070069Abstract: A steam turbine and a rotor are disclosed having steam extending internally along at least part of the rotor. The rotor includes an interface and a steam passage system formed in the rotor, the passage system including a first inlet flow passage to the interface, the first inlet flow passage configured to receive steam from a first region of an outer surface of the rotor, a first outlet flow passage from the interface, the first outlet flow passage configured to pass steam to a second region of the rotor, a second inlet flow passage to the interface, the second inlet flow passage configured to receive steam from a third region of the outer surface of the rotor, a second outlet flow passage from the interface, the second outlet flow passage configured to pass steam to a fourth region of the rotor.Type: ApplicationFiled: September 23, 2009Publication date: March 24, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Xiaoqing Zheng, Michael John Bowman, Roy Paul Swintek
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Publication number: 20100310356Abstract: Solutions for clutching steam turbine low pressure sections are disclosed. In one embodiment, a system includes: a first low pressure steam turbine including a first shaft; a second low pressure steam turbine including a second shaft; a clutch for coupling and uncoupling the first shaft and the second shaft; a conduit for delivering a working fluid to the first low pressure steam turbine and the second low pressure steam turbine; a valve within the conduit, the valve having an open position and a closed position, the closed position preventing flow of the working fluid to the second low pressure steam turbine; and a controller for operating the clutch and the valve, the controller uncoupling the second shaft from the first shaft and closing the valve in response to the first and second low pressure steam turbine attaining a predetermined low part load.Type: ApplicationFiled: June 4, 2009Publication date: December 9, 2010Applicant: GENERAL ELECTRIC COMPANYInventor: Roy Paul Swintek
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Publication number: 20100080500Abstract: A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fiber and at least one of the optical fibers comprising a signal fiber; a light source for providing light through the transmission fiber towards a target; filters for receiving light from the signal fibers, at least two of the filters for filtering different wavelengths; and at least one photodetector for receiving filtered light from the filters.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Danian Zheng, Peter John Eisenzopf, Kevin Thomas McCarthy, Roy Paul Swintek, Norman Arnold Turnquist, Hua Xia
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Publication number: 20100074572Abstract: A device includes a stationary, rotary component, and a fiber optic sensing system. The fiber optic sensing system includes a cable having one or more fiber optic sensors disposed on the stationary component, the rotary component, or combinations thereof. The fiber optic sensing system is configured to detect one or more first parameters including temperature, strain, pressure, vibration, torque; or combinations thereof related to the stationary component, the rotary component, or combinations thereof. The one or more first parameters is used to determine one or more second parameters including thermal expansion, clearance, fluid flow rate variation, condensation, fluid leakage, thermal loss, life, thermal stress, or combinations thereof related to the stationary component, the rotary component, or combinations thereof.Type: ApplicationFiled: September 24, 2008Publication date: March 25, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Danian Zheng, Norman Arnold Turnquist, Peter John Eisenzopf, Kevin Thomas McCarthy, Hua Xia, Roy Paul Swintek
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Publication number: 20100047058Abstract: A method for measuring temperature of a rotating body such as a steam turbine is provided. The method includes striking a light beam onto the rotating body onto the rotating body and measuring a reflectance of the light beam from the rotating body. The method further includes obtaining a temperature of the rotating body based upon the measured reflectance.Type: ApplicationFiled: August 25, 2008Publication date: February 25, 2010Applicant: General Electric Company, a New York CorporationInventors: Chayan Mitra, Ayan Banerjee, Norman Arnold Turnquist, Danian Zheng, Sandip Maity, Roy Paul Swintek