Patents Assigned to Carnegie Mellon University, CTTEC
  • Spherical induction motor
    Patent number: 9853528
    Abstract: Systems and methods are provided for an induction motor. An induction motor includes a spherical rotor and a plurality of curved inductors positioned around the spherical rotor. The plurality of curved inductors are configured to rotate the spherical rotor continuously through arbitrarily large angles among any combination of three independent axes.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: December 26, 2017
    Assignee: Carnegie Mellon University, CTTEC
    Inventors: Ralph L. Hollis, Jr., Masaaki Kumagai
  • Series elastic actuators for robots and robotic devices
    Patent number: 9796082
    Abstract: An example actuator is provided to be used in robots and robotic devices. The actuator includes: a first plate, a second plate, and an elastic element disposed between the first plate and the second plate and including a center portion and an edge portion, the center portion corresponding to a first thickness and the edge portion corresponding to a second thickness larger than the first thickness, a first shear stress associated with the center portion being approximately equal to a second shear stress associated with the edge portion.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: October 24, 2017
    Assignee: Carnegie Mellon University, CTTEC
    Inventors: Howie Choset, David Rollinson, Steven Ford, H. Ben Brown
  • Systems and methods for modular units in electro-mechanical systems
    Patent number: 9597796
    Abstract: Systems and methods are provided for an electro-mechanical system. A system includes a plurality of connected modules. A first module of the modules includes an actuator for imparting motion on the electro-mechanical system and a data processor configured to sense a state of the first module and to command the actuator to modify the state of the first module.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: March 21, 2017
    Assignee: Carnegie Mellon University, CTTEC
    Inventors: David Rollinson, Florian Enner, Matthew Tesch, Howie Choset, Frederic Curtis Layton
  • Spherical Induction Motor
    Publication number: 20140191626
    Abstract: Systems and methods are provided for an induction motor. An induction motor includes a spherical rotor and a plurality of curved inductors positioned around the spherical rotor. The plurality of curved inductors are configured to rotate the spherical rotor continuously through arbitrarily large angles among any combination of three independent axes.
    Type: Application
    Filed: February 11, 2014
    Publication date: July 10, 2014
    Applicant: Carnegie Mellon University, CTTEC
    Inventors: Ralph L. Hollis, JR., Masaaki Kumagai