Patents by Inventor Tsuyoshi OUE

Tsuyoshi OUE 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: 9415678
    Abstract: Provided is a haulage vehicle having an air cleaner that is realistic from the viewpoints of fabrication steps and cost aspect. An air cleaner (24) arranged in a haulage vehicle is provided with a swirling flow generator (26), a separator (27) and an outer cylindrical casing (25). The swirling flow generator has a fixed shaft (28) and a plurality of guide blades (29) arranged and shifted from one another over a predetermined angle in a direction in which the guide blades rotate about the fixed shaft, and by the plurality of guide blades, a swirling flow of cooling air is generated. The separator has a flange (32) attached on and along an inner peripheral wall of the outer cylindrical casing (25), an inner cylindrical member (30) arranged on an outer edge of a center bore of the flange, and a collection pocket (31).
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: August 16, 2016
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tsuyoshi Oue, Naokazu Oda
  • Publication number: 20150321546
    Abstract: Provided is a haulage vehicle having an air cleaner that is realistic from the viewpoints of fabrication steps and cost aspect. An air cleaner (24) arranged in a haulage vehicle is provided with a swirling flow generator (26), a separator (27) and an outer cylindrical casing (25). The swirling flow generator has a fixed shaft (28) and a plurality of guide blades (29) arranged and shifted from one another over a predetermined angle in a direction in which the guide blades rotate about the fixed shaft, and by the plurality of guide blades, a swirling flow of cooling air is generated. The separator has a flange (32) attached on and along an inner peripheral wall of the outer cylindrical casing (25), an inner cylindrical member (30) arranged on an outer edge of a center bore of the flange, and a collection pocket (31).
    Type: Application
    Filed: November 20, 2012
    Publication date: November 12, 2015
    Applicant: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tsuyoshi OUE, Naokazu ODA