Patents Assigned to Duxion Motors, Inc.
  • Split electric machine for retrofit hybrid propulsion systems
    Patent number: 11916435
    Abstract: A device includes a first rotor segment and a second rotor segment, wherein the first rotor segment and the second rotor segment are configured to be directly coupled together about a shaft to form at least a portion of a unitary rotor. The device also includes a first stator segment and a second stator segment, wherein the first stator segment and the second stator segment are configured to be directly coupled together to form at least a portion of a unitary stator.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: February 27, 2024
    Assignee: Duxion Motors, Inc.
    Inventors: Rick Ralph Pilgrim, Sheikh Fazle Rabbi, Jason Aspin, Dipesh Maharjan, Richard Robert Roper
  • Electric aircraft propulsion system
    Patent number: 11655043
    Abstract: An electric propulsion system for an aircraft includes a nacelle and an electric machine. The electric machine includes a stator positioned in the nacelle, and a rotor and fan assembly positioned in a primary flow path through the nacelle. The rotor and fan assembly includes a cylindrical fan shroud, a plurality of rotor magnets positioned on an outer surface of the fan shroud, and a fan hub mounted on a central support shaft via one or more bearings. A plurality of fan blades extend between an inner surface of the fan shroud and an outer surface of the fan hub. The rotor magnets may be loaded in compression in a radial direction when the rotor and fan assembly is at rest. The fan blades may be pre-stressed in a radial direction when the rotor and fan assembly is at rest.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: May 23, 2023
    Assignee: DUXION MOTORS, INC.
    Inventors: Sheikh Fazle Rabbi, Rick Ralph Pilgrim, Kyle Reuben Genge, Trevor Forward, Adam Keating, Richard Robert Roper, Bryan Gabin Lobo
  • Split electric machine for retrofit hybrid propulsion systems
    Patent number: 11394255
    Abstract: A device includes a first rotor segment and a second rotor segment, wherein the first rotor segment and the second rotor segment are configured to be directly coupled together about a shaft to form at least a portion of a unitary rotor. The device also includes a first stator segment and a second stator segment, wherein the first stator segment and the second stator segment are configured to be directly coupled together to form at least a portion of a unitary stator.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: July 19, 2022
    Assignee: Duxion Motors, Inc.
    Inventors: Rick Ralph Pilgrim, Sheikh Fazle Rabbi, Jason Aspin, Dipesh Maharjan, Richard Robert Roper
  • Electric aircraft propulsion system
    Patent number: 11059599
    Abstract: An electric propulsion system for an aircraft includes a nacelle and an electric machine. The electric machine includes a stator positioned in the nacelle, and a rotor and fan assembly positioned in a primary flow path through the nacelle. The rotor and fan assembly includes a cylindrical fan shroud, a plurality of rotor magnets positioned on an outer surface of the fan shroud, and a fan hub mounted on a central support shaft via one or more bearings. A plurality of fan blades extend between an inner surface of the fan shroud and an outer surface of the fan hub. The rotor magnets may be loaded in compression in a radial direction when the rotor and fan assembly is at rest. The fan blades may be pre-stressed in a radial direction when the rotor and fan assembly is at rest.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: July 13, 2021
    Assignee: Duxion Motors, Inc.
    Inventors: Sheikh Fazle Rabbi, Rick Ralph Pilgrim, Kyle Reuben Genge, Trevor Forward, Adam Keating, Richard Robert Roper