Patents by Inventor JIMMY M. CHANG

JIMMY M. CHANG 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: 9337558
    Abstract: An electrical system includes an alternating current (AC) connector rod assembly and a polyphase electric machine. The electric machine has a plurality of phase leads each electrically connected to the AC connector rod assembly. The assembly includes spaced AC connector rods each having a center axis. The assembly also includes insulating housings and a carrier plate defining through holes that receive and space the AC connector rods. The carrier plate defines features that engage mating features of the insulating housings while allowing each of the rods to rotate about its respective center axis within the carrier plate. A vehicle includes a direct current (DC) battery pack, a DC bus, an AC bus, a PIM that is electrically connected on a first side to the DC bus and on a second side to the AC bus, the AC connector rod assembly, a traction motor, and a transmission.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: May 10, 2016
    Assignee: GM Global Technology Operations LLC
    Inventors: Young M Doo, Jimmy M Chang, Anthony P. Tata, Mark D. Korich, Robert T. Dawsey
  • Publication number: 20140103758
    Abstract: An electrical system includes an alternating current (AC) connector rod assembly and a polyphase electric machine. The electric machine has a plurality of phase leads each electrically connected to the AC connector rod assembly. The assembly includes spaced AC connector rods each having a center axis. The assembly also includes insulating housings and a carrier plate defining through holes that receive and space the AC connector rods. The carrier plate defines features that engage mating features of the insulating housings while allowing each of the rods to rotate about its respective center axis within the carrier plate. A vehicle includes a direct current (DC) battery pack, a DC bus, an AC bus, a PIM that is electrically connected on a first side to the DC bus and on a second side to the AC bus, the AC connector rod assembly, a traction motor, and a transmission.
    Type: Application
    Filed: October 15, 2012
    Publication date: April 17, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Young M Doo, Jimmy M Chang, Anthony P. Tata, Mark D. Korich, Robert T. Dawsey
  • Patent number: 8598455
    Abstract: Methods and assemblies are provided for protecting a terminal of a conductor assembly with an open face and a closed face. The protection assembly includes a housing configured to at least partially cover the open face; and a strap coupled to the housing and configured to extend around the closed face such that the housing is detachably secured to the terminal device.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: December 3, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Stephen G. Heien, Jimmy M. Chang
  • Patent number: 8523576
    Abstract: A connector is provided for coupling an electric motor of a vehicle to a power source. The connector comprises electrode and a connector housing receiving at least a portion of the electrode. The connector housing is configured to snap-fit into a powertrain housing of the vehicle via compliant flanges. In this way, the connector may be coupled to the vehicle powertrain housing without other fasteners.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: September 3, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Stephen G. Heien, Jimmy M. Chang
  • Publication number: 20130099562
    Abstract: A connector is provided for coupling an electric motor of a vehicle to a power source. The connector comprises electrode and a connector housing receiving at least a portion of the electrode. The connector housing is configured to snap-fit into a powertrain housing of the vehicle via compliant flanges. In this way, the connector may be coupled to the vehicle powertrain housing without other fasteners.
    Type: Application
    Filed: October 24, 2011
    Publication date: April 25, 2013
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: STEPHEN G. HEIEN, JIMMY M. CHANG
  • Publication number: 20110114354
    Abstract: Methods and assemblies are provided for protecting a terminal of a conductor assembly with an open face and a closed face. The protection assembly includes a housing configured to at least partially cover the open face; and a strap coupled to the housing and configured to extend around the closed face such that the housing is detachably secured to the terminal device.
    Type: Application
    Filed: February 9, 2010
    Publication date: May 19, 2011
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: STEPHEN G. HEIEN, JIMMY M. CHANG