Patents by Inventor Yuya SHIRAI

Yuya SHIRAI 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).

  • Spindle apparatus for machine tool
    Patent number: 9895784
    Abstract: A cooling medium accumulation part is integrally formed with a spindle housing and an attaching section between the spindle housing and the attaching section so that at least a width of the cooling medium accumulation part in a direction perpendicular to the spindle is wider than a width of the motor accommodation section in a virtual projection plane obtained by projecting the cooling medium accumulation part in a direction from the spindle housing to the attaching section. A straight oil supply through-holes communicating the cooling medium accumulation part and the cooling passages are formed in a side wall part of the spindle housing.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: February 20, 2018
    Assignee: DMG MORI SEIKI CO., LTD.
    Inventors: Yuya Shirai, Tatsuhiko Kuriya
  • SPINDLE APPARATUS FOR MACHINE TOOL
    Publication number: 20150273643
    Abstract: A cooling medium accumulation part is integrally formed with a spindle housing and an attaching section between the spindle housing and the attaching section so that at least a width of the cooling medium accumulation part in a direction perpendicular to the spindle is wider than a width of the motor accommodation section in a virtual projection plane obtained by projecting the cooling medium accumulation part in a direction from the spindle housing to the attaching section. A straight oil supply through-holes communicating the cooling medium accumulation part and the cooling passages are formed in a side wall part of the spindle housing.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 1, 2015
    Applicant: DMG MORI SEIKI CO., LTD.
    Inventors: Yuya SHIRAI, Tatsuhiko KURIYA