Patents by Inventor Hiroaki TAMASHIRO

Hiroaki TAMASHIRO 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).

  • Balancer device for internal combustion engine
    Patent number: 10731551
    Abstract: Provided is a balancer device for an internal combustion engine capable of effectively decreasing gear rattle between gears of a drive mechanism. A balancer drive gear and a balancer driven gear are arranged on a second end side of a drive-side balancer shaft and a second end side of a driven-side balancer shaft, respectively, and an oil pump is arranged on a first end side of the driven-side balancer shaft via the drive mechanism.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: August 4, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroaki Tamashiro, Hidenori Tasaka
  • BALANCER DEVICE FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20180030888
    Abstract: Provided is a balancer device for an internal combustion engine capable of effectively decreasing gear rattle between gears of a drive mechanism. A balancer drive gear and a balancer driven gear are arranged on a second end side of a drive-side balancer shaft and a second end side of a driven-side balancer shaft, respectively, and an oil pump is arranged on a first end side of the driven-side balancer shaft via the drive mechanism.
    Type: Application
    Filed: February 9, 2016
    Publication date: February 1, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroaki TAMASHIRO, Hidenori TASAKA