Patents by Inventor Mamoru Yagi

Mamoru Yagi 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).

  • Heating apparatus including plurality of regenerative burner units and operating method
    Patent number: 5520534
    Abstract: A heating apparatus includes at least a pair of regenerative burner units having a fuel injection nozzle and a heat regenerator provided for a combustion air supply path. One regenerative burner unit is supplied with fuel through a fuel shut-off valve and a fuel change-over valve, and supplied with combustion air through a supply and exhaust change-over valve to perform combustion operation. The other regenerative burner unit performs heat regenerating operation by passing a combustion waste gas. Operations of the fuel shut-off valve, the fuel change-over valve and the supply and exhaust change-over valve are controlled depending upon an operation parameter of the heating apparatus.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: May 28, 1996
    Assignees: Kawasaki Seitetsu Kabushiki Kaisha, Otto Corporation
    Inventors: Tsuguhiko Nakagawa, Yoshiyuki Nakanishi, Motohiro Hirata, Koushi Kuramoto, Masamitsu Obashi, Yoshio Abe, Toshiyasu Yuri, Kazuhiro Kojima, Mamoru Yagi, Shoshichiro Tajima