Patents by Inventor Yoshizumi Matsueda

Yoshizumi Matsueda 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).

  • Eccentric rotary feeder and pressurized pneumatic conveying system
    Patent number: 4906144
    Abstract: A rotary feeder having a cylindrical casing having an upper inlet port and a lower outlet port in the vertical direction and a rotor disposed within said cylindrical casing and having a center axis being made eccentric with respect to a horizontal rotor driving shaft supported pivotally on the cylindrical casing, the rotor having further a plurality of blades provided in such that each tip of said blades is able to be in contact with the inner peripheral surface of the cylindrical casing in the vicinity of said upper inlet port or lower outlet port by pressure differential between an upstream passage and a downstream passage.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: March 6, 1990
    Assignee: Sanko Air Plant, Ltd.
    Inventor: Yoshizumi Matsueda