Patents by Inventor Nicholas Daniel LIESER

Nicholas Daniel LIESER 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: 9866089
    Abstract: A system of providing a mechanical soft start of a load driven by an electrical motor is provided. The system includes, in addition to the rotor driven by the electric motor during normal operation, a drive belt coupled to both the electric motor and the rotor for communicating mechanical power from the electric motor to the rotor. The system further includes a secondary motor, and a primary roller coupled to the secondary motor, wherein the roller is selectively engaged with the drive belt during a mechanical soft-start to communicate mechanical power from the secondary motor to the rotor without requiring mechanical power from primary motor.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: January 9, 2018
    Assignee: Rotochopper, Inc.
    Inventors: James Othmar Brick, Nicholas Daniel Lieser
  • Publication number: 20150372562
    Abstract: A system of providing a mechanical soft start of a load driven by an electrical motor is provided. The system includes, in addition to the rotor driven by the electric motor during normal operation, a drive belt coupled to both the electric motor and the rotor for communicating mechanical power from the electric motor to the rotor. The system further includes a secondary motor, and a primary roller coupled to the secondary motor, wherein the roller is selectively engaged with the drive belt during a mechanical soft-start to communicate mechanical power from the secondary motor to the rotor without requiring mechanical power from primary motor.
    Type: Application
    Filed: June 22, 2015
    Publication date: December 24, 2015
    Inventors: James Othmar BRICK, Nicholas Daniel LIESER