Patents by Inventor Yan-Cherng Lin

Yan-Cherng Lin 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: 8038510
    Abstract: An apparatus and method for spiral polishing with electromagnetic abrasive has adopted the principle of electromagnetic and magnetic abrasive along with a lead screw to polish the inner or outer surface of a precise screw or a complicated part. The apparatus includes a clamp, a lead screw, a first electromagnet, and a second electromagnet assembled in an airtight space, wherein the airtight space is filled with magnetic abrasive which is driven by the rotation of the lead screw and the electromagnetic function to polish a processed part in a regular shape or in an irregular shape.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 18, 2011
    Assignee: Southern Taiwan University
    Inventors: Hsinn-Jyh Tzeng, Ming-Li Wu, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su, Chia-Tsung Chang
  • Patent number: 7938716
    Abstract: An apparatus and method for spiral polishing with electromagnetic abrasive has adopted the principle of electromagnetic and magnetic abrasive along with a lead screw to polish the inner or outer surface of a precise screw or a complicated part. The apparatus includes a clamp, a lead screw, a first electromagnet, and a second electromagnet assembled in an airtight space, wherein the airtight space is filled with magnetic abrasive which is driven by the rotation of the lead screw and the electromagnetic function to polish a processed part in a regular shape or in an irregular shape.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: May 10, 2011
    Assignee: Southern Taiwan University
    Inventors: Hsinn-Jyh Tzeng, Ming-Li Wu, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su, Chia-Tsung Chang
  • Publication number: 20110070809
    Abstract: An apparatus and method for spiral polishing with electromagnetic abrasive has adopted the principle of electromagnetic and magnetic abrasive along with a lead screw to polish the inner or outer surface of a precise screw or a complicated part. The apparatus includes a clamp, a lead screw, a first electromagnet, and a second electromagnet assembled in an airtight space, wherein the airtight space is filled with magnetic abrasive which is driven by the rotation of the lead screw and the electromagnetic function to polish a processed part in a regular shape or in an irregular shape.
    Type: Application
    Filed: November 19, 2010
    Publication date: March 24, 2011
    Applicant: SOUTHERN TAIWAN UNIVERSITY
    Inventors: HSINN-JYH TZENG, MING-LI WU, JEN-CHOU HSIUNG, YAN-CHERNG LIN, SHUN-FUA SU, CHIA-TSUNG CHANG
  • Publication number: 20100105298
    Abstract: An apparatus and method for spiral polishing with electromagnetic abrasive has adopted the principle of electromagnetic and magnetic abrasive along with a lead screw to polish the inner or outer surface of a precise screw or a complicated part. The apparatus includes a clamp, a lead screw, a first electromagnet, and a second electromagnet assembled in an airtight space, wherein the airtight space is filled with magnetic abrasive which is driven by the rotation of the lead screw and the electromagnetic function to polish a processed part in a regular shape or in an irregular shape.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 29, 2010
    Applicant: SOUTHERN TAIWAN UNIVERSITY
    Inventors: HSINN-JYH TZENG, MING-LI WU, JEN-CHOU HSIUNG, YAN-CHERNG LIN, SHUN-FUA SU, CHIA-TSUNG CHANG