Patents by Inventor Tatsuya Nakagami

Tatsuya Nakagami 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).

  • Work vehicle
    Patent number: 10384532
    Abstract: A work vehicle includes an engine, a cooling device, a cooling fan unit, and a regulating member. The cooling device includes a radiator core. The cooling device is disposed facing the engine. The cooling fan unit includes a cooling fan and is disposed between the engine and the cooling device. The regulating member is disposed above the cooling fan unit and regulates the movement of the cooling fan unit in the horizontal direction.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: August 20, 2019
    Assignee: KOMATSU LTD.
    Inventors: Takashi Kawakami, Tatsuya Nakagami, Kengo Aoki
  • WORK VEHICLE
    Publication number: 20190047402
    Abstract: A work vehicle includes an engine, a cooling device, a cooling fan unit, and a regulating member. The cooling device includes a radiator core. The cooling device is disposed facing the engine. The cooling fan unit includes a cooling fan and is disposed between the engine and the cooling device. The regulating member is disposed above the cooling fan unit and regulates the movement of the cooling fan unit in the horizontal direction.
    Type: Application
    Filed: April 4, 2017
    Publication date: February 14, 2019
    Inventors: Takashi KAWAKAMI, Tatsuya NAKAGAMI, Kengo AOKI
  • Hydraulic excavator
    Patent number: 8919486
    Abstract: A hydraulic excavator includes an engine, an engine room accommodating the engine, a fan configured to generate cooling wind in the engine room, an exhaust treatment apparatus and an engine hood. The exhaust treatment apparatus treats exhaust from the engine. The exhaust treatment apparatus is at least partially positioned above the engine. The engine hood is arranged above the engine room. An upper surface of the engine hood has a first planar section arranged above the engine, a second planar section including ventilation holes, and an inclined section arranged between the first planar section and the second planar section. The second planar section is arranged above the exhaust treatment apparatus at a position higher than the first planar section. The inclined section extends to be inclined from the first planar section to the second planar section.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: December 30, 2014
    Assignee: Komatsu Ltd.
    Inventor: Tatsuya Nakagami
  • HYDRAULIC EXCAVATOR
    Publication number: 20140299401
    Abstract: A hydraulic excavator includes an engine, an engine room accommodating the engine, a fan configured to generate cooling wind in the engine room, an exhaust treatment apparatus and an engine hood. The exhaust treatment apparatus treats exhaust from the engine. The exhaust treatment apparatus is at least partially positioned above the engine. The engine hood is arranged above the engine room. An upper surface of the engine hood has a first planar section arranged above the engine, a second planar section including ventilation holes, and an inclined section arranged between the first planar section and the second planar section. The second planar section is arranged above the exhaust treatment apparatus at a position higher than the first planar section. The inclined section extends to be inclined from the first planar section to the second planar section.
    Type: Application
    Filed: February 15, 2013
    Publication date: October 9, 2014
    Inventor: Tatsuya Nakagami