Patents by Inventor Yousuke Imura

Yousuke Imura 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).

  • Internal combustion engine and vehicle having the internal combustion engine
    Patent number: 7913587
    Abstract: An engine (internal combustion engine), in accordance with an embodiment, includes: a crankcase; a crankshaft accommodated in the crankcase; a first crank gear and a second crank gear disposed inside the crankcase to rotate about the crankshaft; a balancer gear meshed with the first crank gear to rotate as the first crank gear rotates; and a water pump part having a water pump gear. The water pump gear is meshed with the second crank gear to rotate as the second crank gear rotates. The balancer gear and the water pump gear are disposed to overlap each other as viewed from an end of the crankshaft.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: March 29, 2011
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Yousuke Imura
  • Vehicle
    Patent number: 7828103
    Abstract: A motorcycle has an engine, a main frame passing above the engine and extending rearward, and a down tube passing below the engine and extending rearward. An upper part of the engine is overlapped with the main frame without projecting above the main frame, and a lower part of the engine is overlapped with the down tube.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: November 9, 2010
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventor: Yousuke Imura
  • INTERNAL COMBUSTION ENGINE AND VEHICLE HAVING THE INTERNAL COMBUSTION ENGINE
    Publication number: 20080227578
    Abstract: An engine (internal combustion engine), in accordance with an embodiment, includes: a crankcase; a crankshaft accommodated in the crankcase; a first crank gear and a second crank gear disposed inside the crankcase to rotate about the crankshaft; a balancer gear meshed with the first crank gear to rotate as the first crank gear rotates; and a water pump part having a water pump gear. The water pump gear is meshed with the second crank gear to rotate as the second crank gear rotates. The balancer gear and the water pump gear are disposed to overlap each other as viewed from an end of the crankshaft.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 18, 2008
    Inventor: Yousuke Imura
  • Vehicle
    Publication number: 20080223647
    Abstract: A motorcycle has an engine, a main frame passing above the engine and extending rearward, and a down tube passing below the engine and extending rearward. An upper part of the engine is overlapped with the main frame without projecting above the main frame, and a lower part of the engine is overlapped with the down tube.
    Type: Application
    Filed: March 12, 2008
    Publication date: September 18, 2008
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Yousuke IMURA