Patents by Inventor Norman Arnold Turnquist

Norman Arnold Turnquist 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).

  • Publication number: 20170342967
    Abstract: In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing. The first pitch bearing and the and at least one additional pitch bearing are coupled to opposed surfaces of a static shaft. The at least one additional pitch bearing is disposed radially a distance LR and axially a distance LA from the first pitch bearing along the static shaft. The dual pitch bearing is disposed radially within a blade root of the rotor blade. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed.
    Type: Application
    Filed: May 27, 2016
    Publication date: November 30, 2017
    Inventors: Michael Colan Moscinski, Norman Arnold Turnquist, Daniel Jason Erno, Fulton Jose Lopez
  • Publication number: 20170321662
    Abstract: In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing disposed axially a distance LB from the first pitch bearing. The dual pitch bearing configuration further including one or more spacers disposed between the first pitch bearing and the at least one additional pitch bearing and extending the distance LB. The dual pitch bearing disposed radially within one of a blade root of the rotor blade, a hub extension or a bearing housing and coupled thereto. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 9, 2017
    Inventors: Adam Daniel Minadeo, Norman Arnold Turnquist, Daniel Jason Erno, Fulton Jose Lopez, Bugra Han Ertas, Michael Colan Moscinski
  • Patent number: 9765603
    Abstract: A gas lift valve assembly includes a housing and a check valve. The housing defines an inlet port and an outlet port, and includes an inner casing having a radial outer surface and a radial inner surface at least partially defining a main flow passage. The check valve includes a sealing mechanism disposed around the radial outer surface of the inner casing, and a valve member including an outwardly extending sealing segment. The valve member is moveable between an open position and a closed position in which the sealing segment sealingly engages the sealing mechanism.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: September 19, 2017
    Assignee: General Electric Company
    Inventors: Xuele Qi, Norman Arnold Turnquist, Roderick Mark Lusted, Omprakash Samudrala, Shourya Prakash Otta, Ricardo Lopez, Jifeng Wang, Vic Arthur Randazzo
  • Patent number: 9689241
    Abstract: A gas lift valve assembly includes a housing, a check valve, and a fluid flow barrier. The housing defines an inlet port, an outlet port, and a main flow passage providing fluid communication between the inlet port and the outlet port. The main flow passage has an upstream end and a downstream end. The check valve includes a sealing element disposed at the downstream end of the main flow passage, and a valve member configured to sealingly engage the sealing element. The valve member is movable between an open position in which fluid flow is permitted in a downstream direction, and a closed position in which the valve member inhibits fluid flow in an upstream direction. The fluid flow barrier is disposed within the main flow passage, and is configured to direct fluid flow away from the sealing element when the valve member is in the open position.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: June 27, 2017
    Assignee: General Electric Company
    Inventors: Shourya Prakash Otta, Norman Arnold Turnquist, Roderick Mark Lusted, Xuele Qi
  • Patent number: 9593589
    Abstract: An actuation system to control clearance in a turbomachine including a shaft bearing including at least one axially displaceable thrust bearing. The axially displaceable thrust bearing configured to axially displace a rotating component relative to a stationary component to control the clearance therebetween. The system further including a plurality of actuators coupled to the at least one axially displaceable thrust bearing and configured to actuate the at least one axially displaceable thrust bearing to control the clearance. The plurality of actuators is configured to deactivate a diametrically opposed actuator in the event of an actuator failure to maintain zero moment. In a topography network, each diametrically opposed actuator pair is coupled to a single control line. In an alternate topography network, alternating actuators are coupled to a single control line. In addition, a method of actuating a thrust bearing to control clearance in a turbomachine is disclosed.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: March 14, 2017
    Assignee: General Electric Company
    Inventors: Deepak Trivedi, Norman Arnold Turnquist, Xiaoqing Zheng, Murat Inalpolat
  • Publication number: 20160177762
    Abstract: A method and system including a circumferential seal assembly for sealing between components within a turbine is provided. A circumferential seal assembly is disposed in a slot extending circumferentially about an inner barrel. The seal assembly includes a first shim layer and at least one additional shim layer configured in an overlapping stacked configuration so as to stagger the end portions of each of the shim segments defined by the shim layers, relative to one another and circumferentially about the seal assembly. One or more cloth layers are configured wrapping about the first shim layer and the at least one additional shim layer to define a sealing member having a first sealing surface and a second sealing surface. The assembly further including a base plate, wherein the sealing member is disposed on an upper surface of the base plate to provide for sealing engagement between the components of the turbine.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 23, 2016
    Inventors: Neelesh Nandkumar Sarawate, Norman Arnold Turnquist, Christopher Edward Wolfe
  • Publication number: 20160145982
    Abstract: A gas lift valve assembly includes a housing, a check valve, and a fluid flow barrier. The housing defines an inlet port, an outlet port, and a main flow passage providing fluid communication between the inlet port and the outlet port. The main flow passage has an upstream end and a downstream end. The check valve includes a sealing element disposed at the downstream end of the main flow passage, and a valve member configured to sealingly engage the sealing element. The valve member is movable between an open position in which fluid flow is permitted in a downstream direction, and a closed position in which the valve member inhibits fluid flow in an upstream direction. The fluid flow barrier is disposed within the main flow passage, and is configured to direct fluid flow away from the sealing element when the valve member is in the open position.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 26, 2016
    Inventors: Shourya Prakash Otta, Norman Arnold Turnquist, Roderick Mark Lusted, Xuele Qi
  • Publication number: 20160145981
    Abstract: A gas lift valve assembly includes a housing and a check valve. The housing defines an inlet port and an outlet port, and includes an inner casing having a radial outer surface and a radial inner surface at least partially defining a main flow passage. The check valve includes a sealing mechanism disposed around the radial outer surface of the inner casing, and a valve member including an outwardly extending sealing segment. The valve member is moveable between an open position and a closed position in which the sealing segment sealingly engages the sealing mechanism.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 26, 2016
    Inventors: Xuele Qi, Norman Arnold Turnquist, Roderick Mark Lusted, Omprakash Samudrala, Shourya Prakash Otta, Ricardo Lopez, Jifeng Wang, Vic Arthur Randazzo
  • Patent number: 9291067
    Abstract: An aspirating face seal for use with a rotary machine includes a rotating seal ring including a radially outer surface that includes an oblique portion. A stationary seal ring is coupled proximate the rotating seal ring such that a first gap is defined therebetween. The stationary seal ring is movable along a centerline axis of the rotary machine between an open position and a sealed position, and includes an extension member that extends across the first gap. An auxiliary seal includes at least one seal tooth that includes a seal tooth tip. The at least one seal tooth extends radially inward from the extension member such that a second gap is defined between the seal tooth tip and the oblique portion.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: March 22, 2016
    Assignee: General Electric Company
    Inventors: Xiaoqing Zheng, Norman Arnold Turnquist, Michael Dennis Mack, Rahul Anil Bidkar, Azam Mihir Thatte
  • Publication number: 20150326074
    Abstract: An electric machine is presented. The electric machine includes a hollow rotor; and a stator disposed within the hollow rotor, the stator defining a flow channel. The hollow rotor includes a first end portion defining a fluid inlet, a second end portion defining a fluid outlet; the fluid inlet, the fluid outlet, and the flow channel of the stator being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel; and wherein the hollow rotor is characterized by a largest cross-sectional area of hollow rotor, and wherein the flow channel is characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least about 25% of the largest cross-sectional area of the hollow rotor. An electric fluid pump and a power generation system are also presented.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Jeremy Daniel Van Dam, Norman Arnold Turnquist, Tsarafidy Raminosoa, Manoj Ramprasad Shah, Xiaochun Shen
  • Patent number: 9145865
    Abstract: An electric machine is presented. The electric machine includes a hollow rotor; and a stator disposed within the hollow rotor, the stator defining a flow channel. The hollow rotor includes a first end portion defining a fluid inlet, a second end portion defining a fluid outlet; the fluid inlet, the fluid outlet, and the flow channel of the stator being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel; and wherein the hollow rotor is characterized by a largest cross-sectional area of hollow rotor, and wherein the flow channel is characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least about 25% of the largest cross-sectional area of the hollow rotor. An electric fluid pump and a power generation system are also presented.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: September 29, 2015
    Assignee: General Electric Company
    Inventors: Jeremy Daniel Van Dam, Norman Arnold Turnquist, Tsarafidy Raminosoa, Manoj Ramprasad Shah, Xiaochun Shen
  • Publication number: 20150247415
    Abstract: An actuation system to control clearance in a turbomachine including a shaft bearing including at least one axially displaceable thrust bearing. The axially displaceable thrust bearing configured to axially displace a rotating component relative to a stationary component to control the clearance therebetween. The system further including a plurality of actuators coupled to the at least one axially displaceable thrust bearing and configured to actuate the at least one axially displaceable thrust bearing to control the clearance. The plurality of actuators is configured to deactivate a diametrically opposed actuator in the event of an actuator failure to maintain zero moment. In a topography network, each diametrically opposed actuator pair is coupled to a single control line. In an alternate topography network, alternating actuators are coupled to a single control line. In addition, a method of actuating a thrust bearing to control clearance in a turbomachine is disclosed.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 3, 2015
    Applicant: General Electric Company
    Inventors: Deepak Trivedi, Norman Arnold Turnquist, Xiaoqing Zheng, Murat Inalpolat
  • Publication number: 20150169811
    Abstract: A method implemented using at least one processor includes receiving a plurality of measured operational parameters of a turbo machine having a rotor and a stator. The plurality of measured operational parameters includes a plurality of real-time operational parameters and a plurality of stored operational parameters. The method further includes generating a finite element model of the turbo machine and generating a plurality of snapshots based on the finite element model and the plurality of stored operational parameters. The method further includes generating a reduced order model based on the plurality of snapshots. The method also includes determining an estimated clearance between the rotor and the stator during operation of the turbo machine, based on the reduced order model and the plurality of real-time operational parameters.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 18, 2015
    Applicant: General Electric Company
    Inventors: Norman Arnold Turnquist, Changjie Sun, Deepak Trivedi, Jaydeep Roy, Emad Andarawis Andarawis, Murat Inalpolat, Arun Karthi Subramaniyan, Fernando Javier D'Amato, Emrah Biyik
  • Publication number: 20150130138
    Abstract: An aspirating face seal for use with a rotary machine includes a rotating seal ring including a radially outer surface that includes an oblique portion. A stationary seal ring is coupled proximate the rotating seal ring such that a first gap is defined therebetween. The stationary seal ring is movable along a centerline axis of the rotary machine between an open position and a sealed position, and includes an extension member that extends across the first gap. An auxiliary seal includes at least one seal tooth that includes a seal tooth tip. The at least one seal tooth extends radially inward from the extension member such that a second gap is defined between the seal tooth tip and the oblique portion.
    Type: Application
    Filed: November 11, 2013
    Publication date: May 14, 2015
    Applicant: General Electric Company
    Inventors: Xiaoqing Zheng, Norman Arnold Turnquist, Michael Dennis Mack, Rahul Anil Bidkar, Azam Mihir Thatte
  • Patent number: 8794631
    Abstract: A compliant plate seal manufacturing method is provided. The method includes assembling a plurality of compliant plates and a plurality of spacer shims into a weld fixture, thereby forming a leaf pack having a front and rear end and sides and a curvature, welding the sides of the leaf pack to hook plates on the weld fixture, removing a portion of the weld fixture, removing a portion of the hook plates and applying a radial flow plate to the leaf pack.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: August 5, 2014
    Assignee: General Electric Company
    Inventors: Michael Dennis Mack, William Edward Adis, Hrishikesh Vishvas Deo, Daniel Frederick Purdy, Norman Arnold Turnquist
  • Patent number: 8777563
    Abstract: A brush seal assembly for turbomachinery having a rotor can include a stationary seal component, a floating seal component coupled to the stationary seal component and circumferentially angled bristles arranged in a bristle pack, disposed in the floating seal component and extended axially with respect to the rotor.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: July 15, 2014
    Assignee: General Electric Company
    Inventors: Neelesh Nandkumar Sarawate, Norman Arnold Turnquist, William Edward Adis, Robert Gerard Baran, Rodrigo Rodriguez Erdmenger, Robbert Christiaan Pannekeet, Keith Michael Parker, Xiaoqing Zheng
  • Publication number: 20140152155
    Abstract: An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4?-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film.
    Type: Application
    Filed: June 25, 2013
    Publication date: June 5, 2014
    Inventors: Edward John Flett, Weijun Yin, Manoj Ramprasad Shah, Norman Arnold Turnquist, Jeremy Daniel Van Dam, Enis Tuncer
  • Publication number: 20140154113
    Abstract: An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4?-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 5, 2014
    Applicant: GE OIL & GAS ESP, INC.
    Inventors: Weijun Yin, Manoj Ramprasad Shah, Norman Arnold Turnquist, Jeremy Daniel Van Dam, Enis Tuncer, Edward John Flett
  • Patent number: 8740224
    Abstract: A seal assembly for a turbomachine includes a seal ring rotatable between a first position and a second position and having a plurality of tunnels. Also included is a back ring located adjacent the seal ring and having a plurality of apertures that align with more of the plurality of tunnels of the seal ring when at the second position than at the first position. Further included is a retention piece operably connecting the seal ring and the back ring.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: June 3, 2014
    Assignee: General Electric Company
    Inventors: Xiaoqing Zheng, Nathaniel Carmello Glinbizzi, Rodrigo Rodriguez Erdmenger, Norman Arnold Turnquist
  • Publication number: 20140119881
    Abstract: A turbomachine for use with a high-temperature and high-pressure working fluid is provided. The turbomachine includes a rotatable shaft and a casing enclosing the rotatable shaft, which defines at least a first and second compartment fluidly coupled together. The first compartment at least partially encloses one of a compressor and an expander. The second compartment at least partially encloses a generator. Attached to opposite ends of the rotatable shaft is a compressor for compressing the working fluid and an expansion turbine for expanding the working fluid. A motor-generator is attached to the rotatable shaft between the compressor and expansion turbine. The turbomachine includes at least one sealing system positioned between the first and second compartments that includes a number of seals for regulating the flow rate of the working fluid between the first and second compartments and for suppressing the heat and pressure transfer between the first and second compartments.
    Type: Application
    Filed: October 31, 2012
    Publication date: May 1, 2014
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Chiranjeev Singh Kalra, Douglas Carl Hofer, Norman Arnold Turnquist