Patents by Inventor Katsumi Kawashima

Katsumi Kawashima 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: 4541572
    Abstract: Disclosed is a pulverizing, drying and transporting system for a pulverized fuel of a blast furnace of the type having at least one hot stove for supplying hot blast air, said hot stove also providing hot stove exhaust gas. The system includes a pulverizing and drying unit for pulverizing lamp raw fuel and drying the pulverized fuel. The hot stove gas is supplied to the pulverizing and drying unit. The hot stove exhaust gas dries the pulverized fuel and conveys it to a pulverized fuel collecting and separating device which separates the gas from the pulverized fuel. The line supplying the hot stove gas to the pulverizing and drying unit includes a heating device for selectively supplying additional heat to the hot stove exhaust gas. Moreover, the line for supplying the hot stove gas to the pulverizing and drying unit can include at least one of a temperature stabilizing device and a cooling device.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: September 17, 1985
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Setsuo Tamura, Kenjiro Motonaga, Takumi Mizokawa, Kozo Tanaka, Katsumi Kawashima, Takaaki Hiwatashi, Takayuki Sugahara
  • Patent number: 4437078
    Abstract: A polarized electromagnetic device is disclosed having a generally I-shaped magnetic core member, a coil which is wound on the center portion of the core member, a pair of permanent magnets which are arranged in parallel with and outside of the respective end portions of the core member, and mutually confronting first and second armature plate members which are joined together through the pair of permanent magnets, with each magnet at the opposite end portions of the armature plate members in order to provide a spacing for accommodating the core member between the armature plate members, and consequently leaving a gap for relative movement therein. The core member and armature plate members are supported to be swingable relative to each other for movement about a center transverse axis of the center portion of the core member.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: March 13, 1984
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Yoshihide Bando, Toshiki Tanaka, Sueaki Honda, Yoshihiko Takahashi, Kenichi Tsuruyoshi, Katsumi Kawashima, Syuichi Kishimoto