Patents by Inventor Akihiro ISHIYAMA

Akihiro ISHIYAMA 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).

  • Publication number: 20240026847
    Abstract: A starting device for a general-purpose engine according to one embodiment includes: a starter motor; a pinion gear mounted on an output shaft of the starter motor; a camshaft gear mounted on a camshaft; a crankshaft gear mounted on a crankshaft and meshing with the camshaft gear; and a gear assembly configured to transmit a driving force of the starter motor via the pinion gear to the camshaft gear and configured not to transmit a driving force of the camshaft gear to the pinion gear. The pinion gear, the camshaft gear, the crankshaft gear, and the gear assembly are disposed in a crankcase in a state where the pinion gear meshes with a gear included in the gear assembly.
    Type: Application
    Filed: December 15, 2021
    Publication date: January 25, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES MEIKI ENGINES CO., LTD.
    Inventors: Akihiro ISHIYAMA, Takuya ENDO
  • Patent number: 10247159
    Abstract: A recoil starter (103) includes a pull rope reel (22), a ratchet wheel (31), a pulley (32), a ratchet pawl (33), and an outer wall (32e). The ratchet pawl (33) is capable of swinging between an engaged position where the ratchet pawl engages with a protruding part (31a) and a disengaged position where the ratchet pawl does not engage with the protruding part, and is always urged toward the engaged position. A support surface (32d) of the outer wall (32e) supports the base end portion of the ratchet pawl (33) when the ratchet pawl (33) is in the engaged position. The internal space of the pulley (32) and the external space of the pulley (32) are communicate with each other through the foreign matter discharge portion (32f) of the outer wall (32e).
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Mitsubishi Heavy Industries Meiki Engines Co., Ltd.
    Inventors: Akihiro Ishiyama, Manabu Sekimukai, Yasunaga Ooiwa
  • Publication number: 20180252194
    Abstract: A recoil starter (103) includes a pull rope reel (22), a ratchet wheel (31), a pulley (32), a ratchet pawl (33), and an outer wall (32e). The ratchet pawl (33) is capable of swinging between an engaged position where the ratchet pawl engages with a protruding part (31a) and a disengaged position where the ratchet pawl does not engage with the protruding part, and is always urged toward the engaged position. A support surface (32d) of the outer wall (32e) supports the base end portion of the ratchet pawl (33) when the ratchet pawl (33) is in the engaged position. The internal space of the pulley (32) and the external space of the pulley (32) are communicate with each other through the foreign matter discharge portion (32f) of the outer wall (32e).
    Type: Application
    Filed: August 23, 2016
    Publication date: September 6, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES MEIKI ENGINES CO., LTD .
    Inventors: Akihiro ISHIYAMA, Manabu SEKIMUKAI, Yasunaga OOIWA