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).

  • Patent number: 10598159
    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: Grant
    Filed: May 6, 2016
    Date of Patent: March 24, 2020
    Assignee: General Electric Company
    Inventors: Adam Daniel Minadeo, Norman Arnold Turnquist, Daniel Jason Erno, Fulton Jose Lopez, Bugra Han Ertas, Michael Colan Moscinski
  • Patent number: 10502194
    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: Grant
    Filed: May 27, 2016
    Date of Patent: December 10, 2019
    Assignee: General Electric Company
    Inventors: Michael Colan Moscinski, Norman Arnold Turnquist, Daniel Jason Erno, Fulton Jose Lopez
  • Publication number: 20190292803
    Abstract: A multi-material tower section for a tower mast. The tower mast comprised of at least one multi-material tower section and a method for manufacturing the section. The section comprises at least one additively manufactured wall structure comprised of at least one first material and a plurality of additively manufactured internal reinforcement structures comprised of at least one additional material and disposed therewith the at least one additively manufactured wall structure.
    Type: Application
    Filed: March 26, 2018
    Publication date: September 26, 2019
    Inventors: Pascal Meyer, Peter Joseph Rock, JR., Ken Ivcar Salas Nobrega, Matteo Bellucci, Biao Fang, Gregory Edward Cooper, Norman Arnold Turnquist
  • Publication number: 20190234096
    Abstract: A wind turbine system includes a wind turbine generator having a rotor and a nacelle mounted atop a tower structure. The tower structure is mounted to a foundation structure and includes a plurality of tower sections, each including one or more tower section flanges. The wind turbine system further includes one or more connector rings. Each of the one or more connector rings is disposed proximate two adjacent tower section flanges and includes a plurality of pad eye adaptors each having an opening formed therein. The wind turbine system further includes a plurality of tensioned cables, with each coupled to one of the pad eye adaptors at a first end and the foundation structure at a second end. The plurality of tensioned cables are coupled to the tower structure at different or multiple connector ring heights based on site conditions to yield the desired lateral stability.
    Type: Application
    Filed: January 26, 2018
    Publication date: August 1, 2019
    Inventors: Biao Fang, Srikrishna Mantravadi, Nikolina Kourteva Kristeva, Ingo Paura, Norman Arnold Turnquist, Todd DarVel Andersen, Pascal Meyer, Gregory Edward Cooper, James Henry Madge
  • Publication number: 20190153994
    Abstract: A method for manufacturing a rotor blade panel of a wind turbine includes placing one or more fiber-reinforced outer skins into a mold of the rotor blade panel. The method also includes printing and depositing, via a computer numeric control (CNC) device, a plurality of rib members that form at least one three-dimensional (3-D) reinforcement grid structure onto an inner surface of the one or more fiber-reinforced outer skins. Further, the grid structure bonds to the one or more fiber-reinforced outer skins as the grid structure is deposited. Moreover, the method includes printing at least one additional feature into the grid structure.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 23, 2019
    Inventors: James Robert Tobin, Norman Arnold Turnquist, Stephen Bertram Johnson, Don Conrad Johnson, Thomas Merzhaeuser, Peggy Lynn Baehmann, Stefan Herr, Murray Fisher, Andrew McCalip, Alan M. Walker, Todd Anderson
  • Patent number: 10280777
    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: Grant
    Filed: December 19, 2014
    Date of Patent: May 7, 2019
    Assignee: General Electric Company
    Inventors: Neelesh Nandkumar Sarawate, Norman Arnold Turnquist, Christopher Edward Wolfe
  • Patent number: 10024296
    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: July 21, 2015
    Date of Patent: July 17, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Jeremy Daniel Van Dam, Norman Arnold Turnquist, Tsarafidy Raminosoa, Manoj Ramprasad Shah, Xiaochun Shen
  • Publication number: 20180135596
    Abstract: A wind turbine blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the blade segments having a pressure side shell member, a suction side shell member. The blade further including a coupling component extending spanwise and structurally connecting the first blade segment and the second blade segment. A thermal actuation component is coupled to the coupling component and passively actuated in response to a change in thermal conditions so as to provide for aeroelastic tailoring and pitch control to the wind turbine blade.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 17, 2018
    Inventors: Andreas Herrig, Dominic Alexander von Terzi, Shivaram AC, Vidyashankar Ramasastry Buravalla, Norman Arnold Turnquist
  • 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