Patents by Inventor Jeseol LEE

Jeseol LEE 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: 20240075442
    Abstract: The present invention relates to a hydrogen generator, and the purpose of the present invention is to provide a hydrogen generator wherein thermal efficiency is maximized, structural changes according to amounts of production are easily implemented, and DME is used as the main source material.
    Type: Application
    Filed: March 18, 2022
    Publication date: March 7, 2024
    Inventors: Wonjun CHO, Jeseol LEE, Youngsoo LEE, Wonaje CHO, Hyejin YU, Junwoo LEE, Jeongil LEE
  • Patent number: 11767810
    Abstract: The purpose of the present invention is to provide a trigeneration system using dimethyl ether (DME), wherein the system produces electricity, controls heating and cooling, and supplies carbon dioxide as a fertilizer by driving a DME engine by using, as a raw material, DME which is clean fuel. A trigeneration system using DME according to the present invention may comprise: a DME tank in which DME fuel is stored; a DME engine driven by means of the DME fuel as a raw material; a DME fuel supply unit for supplying the DME fuel stored in the DME tank to the DME engine; a treatment unit connected to an exhaust line for discharging exhaust gas from the DME engine, so as to treat harmful components of the exhaust gas; a power generation unit for producing electricity by means of a driving force of the DME engine; and a cooling and heating unit for supplying or collecting heat by means of the driving force of the DME engine.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: September 26, 2023
    Assignee: BIO FRIENDS INC.
    Inventors: Wonjun Cho, Hyejin Yu, Youngsoo Lee, Jeseol Lee, Wonjae Cho, Myungkyu Jin, Junwoo Lee
  • Publication number: 20220290636
    Abstract: The purpose of the present invention is to provide a trigeneration system using dimethyl ether (DME), wherein the system produces electricity, controls heating and cooling, and supplies carbon dioxide as a fertilizer by driving a DME engine by using, as a raw material, DME which is clean fuel. A trigeneration system using DME according to the present invention may comprise: a DME tank in which DME fuel is stored; a DME engine driven by means of the DME fuel as a raw material; a DME fuel supply unit for supplying the DME fuel stored in the DME tank to the DME engine; a treatment unit connected to an exhaust line for discharging exhaust gas from the DME engine, so as to treat harmful components of the exhaust gas; a power generation unit for producing electricity by means of a driving force of the DME engine; and a cooling and heating unit for supplying or collecting heat by means of the driving force of the DME engine.
    Type: Application
    Filed: August 29, 2019
    Publication date: September 15, 2022
    Inventors: Wonjun CHO, Hyejin YU, Youngsoo LEE, Jeseol LEE, Wonjae CHO, Myungkyu JIN, Junwoo LEE