Patents by Inventor August B. Schrab

August B. Schrab 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).

  • Modular motor drive communication system and method
    Patent number: 9722526
    Abstract: A motor drive system includes a control module and a power module for generating control signals and power signals, respectively, for driving an electric motor. An add-on module or subassembly is physically positionable between the control and power modules, and communicates with the control module to allow for communication with external devices.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: August 1, 2017
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: James B. Vitrano, August B. Schrab, Daniel J. Middlestetter, John James Jenks, Kurt R. Hohensee, Jimmy See Yong Koh, Teck Siang Tan
  • Enhanced motor drive communication system and method
    Patent number: 9722937
    Abstract: In some embodiments, a motor drive system includes a communication subassembly electrically coupled to a control subassembly for providing communication between the control subassembly and at least one external device. The control subassembly and the communication subassembly transmit and receive control data independently of messaging data, greatly enhancing performance and reducing the workload of processors on the control subassembly and communication subassembly. Additionally, the control subassembly and the communication subassembly transmit message data via sequence count based messaging. Communications between the communication subassembly and the control subassembly may include a series of timeout periods and retries, increasing reliability.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: August 1, 2017
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: James B. Vitrano, August B. Schrab, Daniel J. Middlestetter, John James Jenks, Kurt R. Hohensee
  • Enhanced Motor Drive Communication System and Method
    Publication number: 20150249612
    Abstract: In some embodiments, a motor drive system includes a communication subassembly electrically coupled to a control subassembly for providing communication between the control subassembly and at least one external device. The control subassembly and the communication subassembly transmit and receive control data independently of messaging data, greatly enhancing performance and reducing the workload of processors on the control subassembly and communication subassembly. Additionally, the control subassembly and the communication subassembly transmit message data via sequence count based messaging. Communications between the communication subassembly and the control subassembly may include a series of timeout periods and retries, increasing reliability.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Inventors: James B. Vitrano, August B. Schrab, Daniel J. Middlestetter, John James Jenks, Kurt R. Hohensee
  • Modular Motor Drive Communication System and Method
    Publication number: 20150249420
    Abstract: A motor drive system includes a control module and a power module for generating control signals and power signals, respectively, for driving an electric motor. An add-on module or subassembly is physically positionable between the control and power modules, and communicates with the control module to allow for communication with external devices.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Inventors: James B. Vitrano, August B. Schrab, Daniel J. Middlestetter, John James Jenks, Kurt R. Hohensee, Jimmy See Yong Koh, Teck Siang Tan