Patents Assigned to Premco, Inc.
  • Regenerative electrical power supply for elevators
    Patent number: 10294070
    Abstract: An energy storage system is provided including: an elevator; an elevator motor; a power system coupled to the elevator motor. The power system including at least one capacitor operable to store energy received form the elevator motor and to supply stored energy to the elevator motor; and at least one flywheel operable to store energy received from the elevator motor and to supply stored energy to the elevator motor.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 21, 2019
    Assignee: Premco, Inc.
    Inventors: Harold L. Jacobs, Lewis M. Kwit, Kevin P. Lynch