Now showing items 1-12 of 12

    • Electric machine having a high-torque switched reluctance motor 

      Holtzapple, Mark T.; Rabroker, George A.; Fahimi, Babak; Ehsani, Mehrdad (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2010-02-16)
      According to one embodiment of the present invention, an electric machine comprises a stator and a rotor. The stator has at least one stator pole with a first leg and a second leg. The rotor has at least one rotor pole. ...
    • Electric machine having rotor and stator configurations 

      Holtzapple, Mark T.; Rabroker, George A.; Fahimi, Babak; Ehsani, Mehrdad (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2011-09-20)
      According to one embodiment of the present invention, an electric machine comprises a stator and a rotor. The stator has at least one stator pole with a first leg and a second leg. The rotor has at least one rotor pole. ...
    • Gerotor apparatus for a quasi-isothermal brayton cycle engine 

      Holtzapple, Mark T.; Rabroker, George A.; Beck, Thomas J.; Ehsani, Mark; Whiteacre, Matthew M.; Ross, Michael Kyle; Noyes, Gary P. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2006-03-07)
      According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
    • Gerotor apparatus for a quasi-isothermal Brayton cycle Engine 

      Holtzapple, Mark T.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2007-03-06)
      According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
    • Gerotor apparatus for a quasi-isothermal Brayton cycle engine 

      Holtzapple, Mark T.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2016-07-05)
      According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
    • Gerotor apparatus for a quasi-isothermal Brayton cycle engine 

      Holtzapple, Mark T.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2014-09-02)
      According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
    • Gerotor apparatus for a quasi-isothermal Brayton cycle engine 

      Holtzapple, Mark T.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2010-06-01)
      According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
    • Gerotor apparatus having outer gerotor with strengthening members 

      Ross, Michael K.; Holtzapple, Mark T.; Rabroker, George A.; Ross, Michael K. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2017-06-06)
      According to one embodiment of the invention, a gerotor apparatus includes a first gerotor, a second gerotor, and a synchronizing system operable to synchronize a rotation of the first gerotor with a rotation of the second ...
    • Jet ejector system and method 

      Holtzapple, Mark T.; Noyes, Gary P.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2011-05-31)
      According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that ...
    • Jet ejector system and method 

      Holtzapple, Mark T.; Noyes, Gary P.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2008-02-12)
      According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that ...
    • Sealing system for gerotor apparatus 

      Holtzapple, Mark T.; Rabroker, George A.; Ross, Michael K. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2014-06-17)
      According to one embodiment of the invention, a gerotor apparatus includes a first gerotor, a second gerotor, and a synchronizing system operable to synchronize a rotation of the first gerotor with a rotation of the second ...
    • Vapor-compression evaporation system and method 

      Holtzapple, Mark T.; Noyes, Gary P.; Rabroker, George A. (United States. Patent and Trademark OfficeTexas A&M University. Libraries, 2010-05-04)
      According to one embodiment of the invention, a vapor-compression evaporation system includes a plurality of vessels in series each containing a feed having a nonvolatile component, a mechanical compressor coupled to the ...