Patents by Inventor Benkai LI

Benkai LI 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).

  • Patent number: 10568642
    Abstract: A bone surgery grinding experimental device capable of cooling and electrostatic atomization film formation, including a linear three-axis platform capable of moving front, back, left, right, up and down, an electric spindle and a workpiece fixing device, wherein linear three-axis platform includes an X axis structure capable of carrying out left and right movement, Y axis structure capable of carrying out front and back movement and Z axis structure capable of carrying out up and down movement, the workpiece fixing device is fixed on the Y axis structure, and electric spindle is fixed on the Z axis structure and is installed at workpiece fixing device's upper end; a grinding head is installed at the electric spindle's lower end, a grinding cooling device is arranged inside a grinding head handle or on the grinding head's surrounding, and an electrostatic atomization film formation device is arranged on the grinding head's surrounding.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: February 25, 2020
    Assignee: QINGDAO TECHNOLOGICAL UNIVERSITY
    Inventors: Changhe Li, Min Yang, Yanbin Zhang, Runze Li, Jun Wang, Yali Hou, Yaogang Wang, Benkai Li, Guotao Liu
  • Patent number: 9925638
    Abstract: A minimal quantity lubrication grinding device including: heat pipe grinding wheel covered with electrocaloric film material on both side surfaces, wherein external electric field is applied to outside of the electrocaloric film material; and electrostatic atomization combined nozzle provided with high-voltage DC electrostatic generator and magnetic field forming device at the outside and in an electrocaloric refrigeration and magnetically enhanced electric field; electrostatic atomization combined nozzle is respectively connected with nanoparticle liquid and gas supply system; and nanofluid is electrostatically atomized by electrostatic atomization combined nozzle and is jet to grinding area to absorb heat of grinding area; electrocaloric film material absorbs heat in grinding area through electrocaloric effect and disperses absorbed heat through heat pipe grinding wheel after leaving grinding area to form a Carnot cycle.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 27, 2018
    Assignee: QINGDAO TECHNOLOGICAL UNIVERSITY
    Inventors: Changhe Li, Benkai Li, Yaogang Wang, Min Yang, Yanbin Zhang
  • Publication number: 20170333053
    Abstract: A bone surgery grinding experimental device capable of cooling and electrostatic atomization film formation, including a linear three-axis platform capable of moving front, back, left, right, up and down, an electric spindle and a workpiece fixing device, wherein linear three-axis platform includes an X axis structure capable of carrying out left and right movement, Y axis structure capable of carrying out front and back movement and Z axis structure capable of carrying out up and down movement, the workpiece fixing device is fixed on the Y axis structure, and electric spindle is fixed on the Z axis structure and is installed at workpiece fixing device's upper end; a grinding head is installed at the electric spindle's lower end, a grinding cooling device is arranged inside a grinding head handle or on the grinding head's surrounding, and an electrostatic atomization film formation device is arranged on the grinding head's surrounding.
    Type: Application
    Filed: December 1, 2015
    Publication date: November 23, 2017
    Applicant: QINGDAO TECHNOLOGY UNIVERSITY
    Inventors: Changhe LI, Min YANG, Yanbin ZHANG, Runze LI, Jun WANG, Yali HOU, Yaogang WANG, Benkai LI, Guotao LIU
  • Publication number: 20170120419
    Abstract: A minimal quantity lubrication grinding device including: heat pipe grinding wheel covered with electrocaloric film material on both side surfaces, wherein external electric field is applied to outside of the electrocaloric film material; and electrostatic atomization combined nozzle provided with high-voltage DC electrostatic generator and magnetic field forming device at the outside and in an electrocaloric refrigeration and magnetically enhanced electric field; electrostatic atomization combined nozzle is respectively connected with nanoparticle liquid and gas supply system; and nanofluid is electrostatically atomized by electrostatic atomization combined nozzle and is jet to grinding area to absorb heat of grinding area; electrocaloric film material absorbs heat in grinding area through electrocaloric effect and disperses absorbed heat through heat pipe grinding wheel after leaving grinding area to form a Carnot cycle.
    Type: Application
    Filed: December 1, 2015
    Publication date: May 4, 2017
    Applicant: QINGDAO TECHNOLOGICAL UNIVERSITY
    Inventors: Changhe LI, Benkai LI, Yaogang WANG, Min YANG, Yanbin ZHANG