Patents by Inventor Tadahiro Nomura

Tadahiro Nomura 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).

  • Centrifugal air blower
    Patent number: 6881031
    Abstract: A centrifugal air blower includes a fan having a plurality of blades spaced circumferentially therearound for generating an air flow. The fan is disposed in a main case which defines a first discharge passage for the air to flow therethrough. An extended case defining therein a second discharge passage, which has a cross-sectional area progressively greater toward an outlet thereof, is combined with the main case. An air guide means having an arcuately shaped surface for guiding air extends from the first and second discharge passages, in the main case and the extended case toward an outlet of the second discharge passage.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: April 19, 2005
    Assignee: Keihin Corporation
    Inventor: Tadahiro Nomura
  • Centrifugal air blower
    Publication number: 20040062646
    Abstract: A centrifugal air blower includes a fan having a plurality of blades spaced circumferentially therearound for generating an air flow. The fan is disposed in a main case which defines a first discharge passage for the air to flow therethrough. An extended case defining therein a second discharge passage, which has a cross-sectional area progressively greater toward an outlet thereof, is combined with the main case. An air guide means having an arcuately shaped surface for guiding air extends from the first and second discharge passages, in the main case and the extended case toward an outlet of the second discharge passage.
    Type: Application
    Filed: June 26, 2003
    Publication date: April 1, 2004
    Inventor: Tadahiro Nomura