Patents by Inventor Yoshihiko Ueda

Yoshihiko Ueda 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: 3947238
    Abstract: A method and apparatus for thoroughly dispersing powdered material in a combustion chamber of a furnace in combination with a suspension preheater and a kiln to improve combustion efficiency. The material is introduced as a free falling stream in the upper zone of the combustion chamber and is contacted in the upper zone with recycled gases from a cooler and a second gas introduced at a higher velocity than said recycled gases, whereby the powdered material is thoroughly dispersed throughout said combustion chamber and heat exchange between the material and gases is enhanced.
    Type: Grant
    Filed: October 25, 1974
    Date of Patent: March 30, 1976
    Assignee: Onoda Cement Co., Ltd.
    Inventors: Yoshiharu Fukuda, Yoshihiko Ueda