Patents Assigned to Ryozo Echigo
  • Patent number: 4479535
    Abstract: A radiant tube to be heated by high-temperature gases supplied from its one end. The tube supplys a heat radiation by being thus heated. The gases used for the heating are discharged from the other end of the tube. Inside the tube a heat exchanger is provided in the proximity of the gas outlet of the tube so as to recover thermal energy from the used gases before they come out from the outlet.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: October 30, 1984
    Assignees: Daidotokushuko Kabushikikaisha, Ryozo Echigo
    Inventors: Ryozo Echigo, Takaaki Noda, Koichiro Kinto, Kenjiro Sato