Patent ID: 11873801
Assignee: HARI DHARAN, LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  H | IPC F  H

Claim 18:
19. A flywheel system comprising a flywheel device and a controller, the flywheel device comprising:
a sealed housing section;
a rotor located in the sealed housing section, the rotor held in a vertical position by a magnetic system;
a controller coupled to the magnetic system, the controller performing operations to:
provide control signals to provide first power to the magnetic system to hold the rotor in the vertical position; and
provide second control signals to provide second power to the magnetic system to lower the rotor; and

a braking annular ring mounted to the sealed housing section below the rotor, wherein the rotor contacts the braking annular ring when the rotor is lowered from the vertical position.