Patents by Inventor Chol-Seung Cho

Chol-Seung Cho 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).

  • Phev (pneumatic hybrid electric vehicle)
    Patent number: 7028482
    Abstract: A pneumatic hybrid electric engine includes an electric source, an air supply part for compressing air and storing the compressed air, a pneumatic engine part for generating power using air supplied from the air supply part, an electric engine part for generating power using electric power applied from the electric source, a power transmission part for transmitting the power generated by the pneumatic engine part and the electric engine part, and a control part for selectively operating the pneumatic engine part and the electric engine part so that the pneumatic and electric engines parts can be switched on the basis of a predetermined torque range.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: April 18, 2006
    Assignee: Energine Corporation
    Inventors: Chol-Seung Cho, Dae-Sik Ko
  • Phev (pneumatic hybrid electric vehicle)
    Publication number: 20040237517
    Abstract: A pneumatic hybrid electric engine includes an electric source, an air supply part for compressing air and storing the compressed air, a pneumatic engine part for generating power using air supplied from the air supply part, an electric engine part for generating power using electric power applied from the electric source, a power transmission part for transmitting the power generated by the pneumatic engine part and the electric engine part, and a control part for selectively operating the pneumatic engine part and the electric engine part so that the pneumatic and electric engines parts can be switched on the basis of a predetermined torque range.
    Type: Application
    Filed: July 12, 2004
    Publication date: December 2, 2004
    Inventors: Chol-Seung Cho, Dae-Sik Ko