Patents by Inventor Woosoon Yim

Woosoon Yim 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).

  • Publication number: 20160023751
    Abstract: An electric powered gyroplane or gyrocopter includes an airframe, a rotor assembly, an electric generator, a battery charger, one or more rechargeable batteries, a propulsion motor, a propulsion motor controller and a propeller. The rotor assembly is mounted to the airframe and includes a drive shaft mechanically coupled to a rotor hub, and two or more rotor blades extending radially outward from the rotor hub. The electric generator is mechanically coupled to the rotor assembly. The battery charger is electrically connected to the electric generator. The one or more rechargeable batteries are electrically connected to the battery charger. The propulsion motor controller is electrically connected to the one or more rechargeable batteries. The propulsion motor is connected to the propulsion motor controller. The propeller is mounted to the airframe and mechanically coupled to the propulsion motor.
    Type: Application
    Filed: July 28, 2015
    Publication date: January 28, 2016
    Inventors: Joon Soo Lee, Woosoon Yim