Patents by Inventor Fred E. Hunstable

Fred E. Hunstable 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: 12272998
    Abstract: There are presented various embodiments disclosed in this application, including methods and systems of arranging permanent magnets to switch from a first configuration designed for a first torque output to a second configuration designed for a second torque output.
    Type: Grant
    Filed: September 5, 2023
    Date of Patent: April 8, 2025
    Assignee: Linear Labs, Inc.
    Inventor: Fred E. Hunstable
  • Publication number: 20240380256
    Abstract: Disclosed are various embodiments for electric machines with fractional concentrated winding having a coil winding assembly with at least a first and a second laminated stator pole segment, each of the laminated stator pole segments having the shape of a tapered H and mechanically joined together to form a ring-like stator core with a plurality of circumferentially distributed stator poles and slots for coils, the first and second stator pole segments comprising a plurality of laminated stator pole segment pieces oriented in a radial direction and coupled together to form a unified stator pole segment with a 3D flux path, and wherein the laminations of each of the laminated stator pole segment pieces has the shape of a U.
    Type: Application
    Filed: April 5, 2024
    Publication date: November 14, 2024
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov, Amir Parsapour
  • Publication number: 20240364172
    Abstract: Disclosed are various embodiments for an electric machine where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel.
    Type: Application
    Filed: May 1, 2024
    Publication date: October 31, 2024
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Publication number: 20240235295
    Abstract: Disclosed are various embodiments for a new and improved multi-tunnel motor and controller for an electric motor, where the motor controller is able to dynamically modify the number of phases and pole count of the electric machine in order to reduce the torque output and increase speed.
    Type: Application
    Filed: March 19, 2024
    Publication date: July 11, 2024
    Inventor: Fred E. Hunstable
  • Patent number: 12009717
    Abstract: Disclosed are various embodiments for an electric machine where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: June 11, 2024
    Assignee: Linear Labs, Inc.
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Patent number: 11967866
    Abstract: Disclosed are various embodiments for a new and improved multi-tunnel motor and controller for an electric motor, where the motor controller is able to dynamically modify the number of phases and pole count of the electric machine in order to reduce the torque output and increase speed.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: April 23, 2024
    Assignee: Linear Labs, Inc.
    Inventor: Fred E. Hunstable
  • Publication number: 20230421033
    Abstract: There are presented various embodiments disclosed in this application, including methods and systems of arranging permanent magnets to switch from a first configuration designed for a first torque output to a second configuration designed for a second torque output.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 28, 2023
    Inventor: Fred E. Hunstable
  • Publication number: 20230412023
    Abstract: Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel includes magnets having a NNSS or SSNN pole configuration.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventor: Fred E. Hunstable
  • Publication number: 20230412027
    Abstract: Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Patent number: 11784546
    Abstract: There are presented various embodiments disclosed in this application, including methods and systems of arranging permanent magnets to switch from a first configuration designed for a first torque output to a second configuration designed for a second torque output.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: October 10, 2023
    Assignee: Linear Labs, Inc.
    Inventor: Fred E. Hunstable
  • Patent number: 11784529
    Abstract: Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: October 10, 2023
    Assignee: Linear Labs, Inc.
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Patent number: 11784523
    Abstract: Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel, and where the magnetic toroidal cylindrical tunnel comprises magnets having a NNSS or SSNN pole configuration.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: October 10, 2023
    Assignee: Linear Labs, Inc.
    Inventor: Fred E. Hunstable
  • Patent number: 11777386
    Abstract: Disclosed are various embodiments for a new and improved electric motor/generator including a toroidal magnetic cylinder centered on the longitudinal axis, and a coil assembly including a first coil assembly support positioned within the toroidal magnetic cylinder, and a second coil assembly support positioned within the toroidal magnetic cylinder.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: October 3, 2023
    Assignee: Linear Labs, Inc.
    Inventor: Fred E. Hunstable
  • Publication number: 20230216370
    Abstract: Embodiments of the present invention may include a method of producing mechanical power by moving a coil coupled to a shaft partially into a magnetic cylinder having a magnetic end cap containing a plurality of stacked magnetic forces, changing the magnetic polarity of the shaft, moving the coil out of the magnetic cylinder. In other embodiments, there is an electric motor apparatus comprising a magnetic cylinder, a coil coupled to a shaft, and a means for reversing the magnetic polarity of the shaft.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 6, 2023
    Inventor: Fred E. Hunstable
  • Patent number: 11692616
    Abstract: There is presented various embodiments disclosed in this application, including an improved crankshaft system using a load connecting member which provides a greater maximum torque angle than a conventional system, thereby improving efficiency and power.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: July 4, 2023
    Inventor: Fred E. Hunstable
  • Publication number: 20230179057
    Abstract: Disclosed are various embodiments for an electric machine where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel.
    Type: Application
    Filed: October 7, 2022
    Publication date: June 8, 2023
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Publication number: 20230054909
    Abstract: Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.
    Type: Application
    Filed: November 2, 2022
    Publication date: February 23, 2023
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov
  • Publication number: 20230006484
    Abstract: Disclosed are various embodiments for an improved generator/motor and a method of generating current, the method comprising providing a circular rotation path, generating a concentrated magnetic field around a portion of the circular rotation path; rotating a coil along the circular path and through the concentrated magnetic field; generating current within the coil as a result of the rotating, and extracting the current from the coil.
    Type: Application
    Filed: June 13, 2022
    Publication date: January 5, 2023
    Inventor: Fred E. Hunstable
  • Publication number: 20230006523
    Abstract: Disclosed are various embodiments for a new and improved electric motor/generator including a toroidal magnetic cylinder centered on the longitudinal axis, and a coil assembly including a first coil assembly support positioned within the toroidal magnetic cylinder, and a second coil assembly support positioned within the toroidal magnetic cylinder.
    Type: Application
    Filed: February 23, 2022
    Publication date: January 5, 2023
    Inventor: Fred E. Hunstable
  • Patent number: 11532963
    Abstract: Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: December 20, 2022
    Assignee: Linear Labs, Inc.
    Inventors: Fred E. Hunstable, Michael Van Steenburg, Andrei V. Popov