Patents by Inventor Dowan Shun

Dowan Shun 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).

  • Patent number: 8764890
    Abstract: Disclosed is a dry CO2 capturing device using multi sorbents so as to maintain the sorption rate for exhaust gas containing CO2. The dry carbon dioxide (CO2) capturing device comprises at least two dry carbon dioxide (CO2) capturing parts comprising: a first and second recovery reactors 104 and 105 to recover CO2 by contacting a solid sorbent with exhaust gas; a first and second recovery cyclones 106 and 122 connected to the recovery reactors; a first and second regenerators 110 and 126 connected to the recovery cyclones; and a first and second pre-treatment reactors 116 and 132 connected to the regenerators through sorbent supply lines.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: July 1, 2014
    Assignee: Korea Institute of Energy Research
    Inventors: Chang-Keun Yi, Young Cheol Park, Sung-Ho Jo, Gyoung Tae Jin, Dowan Shun, Dal-Hee Bae, Jaehyeon Park, Ho-Jung Ryu, Seung-Yong Lee, Jong-Ho Moon, Dong-Ho Lee