Patents by Inventor Yu-Du Hsu

Yu-Du Hsu 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).

  • Method and apparatus for forming zinc oxide
    Patent number: 8142743
    Abstract: Provided is a method for forming zinc oxide which includes introducing a zinc vapor and a water vapor to a reactor; providing a zinc particulate to the reactor to promote the reaction between the zinc vapor and water vapor, thereby forming zinc oxide and hydrogen. An apparatus for forming zinc oxide is also provided.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: March 27, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Min Chien, Yu-Du Hsu
  • METHOD AND APPARATUS FOR FORMING ZINC OXIDE
    Publication number: 20100329973
    Abstract: Provided is a method for forming zinc oxide which includes introducing a zinc vapor and a water vapor to a reactor; providing a zinc particulate to the reactor to promote the reaction between the zinc vapor and water vapor, thereby forming zinc oxide and hydrogen. An apparatus for forming zinc oxide is also provided.
    Type: Application
    Filed: December 11, 2009
    Publication date: December 30, 2010
    Applicant: Industrial Technology Research Institute
    Inventors: Hung-Min CHIEN, Yu-Du Hsu
  • Method of collecting nanoparticles by using a cyclone and method of designing the cyclone
    Patent number: 6969420
    Abstract: A cyclone is used to collect nanoparticles and is formed of a chamber, and a guide wing located in the chamber such that the guide wing and the chamber form a passage. A flow entraining the nanoparticles is moved through the passage in such a way that the flow is caused to spin rapidly, and that the nanoparticles, acted on by a centrifugal force, are thereby resulting in collision with the chamber wall. The cyclone has a nanoparticle cut-off aerodynamic diameter, which is reduced by virtue of the phenomena that the particle inertia increases in a low pressure environment, and that the particle slipping correction factor increases under low pressure, and that the rebound of the particle in the cyclone chamber tends to alleviate under low pressure. The cyclone is used to remove nanoparticles from industrial exhaust fumes.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: November 29, 2005
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Min Chien, Yu-Du Hsu, Chuen Jinn Tsai
  • Method of collecting nanoparticles by using a cyclone and method of designing the cyclone
    Publication number: 20050120880
    Abstract: A cyclone is used to collect nanoparticles and is formed of a chamber, and a guide wing located in the chamber such that the guide wing and the chamber form a passage. A flow entraining the nanoparticles is moved through the passage in such a way that the flow is caused to spin rapidly, and that the nanoparticles, acted on by a centrifugal force, are thereby resulting in collision with the chamber wall. The cyclone has a nanoparticle cut-off aerodynamic diameter, which is reduced by virtue of the phenomena that the particle inertia increases in a low pressure environment, and that the particle slipping correction factor increases under low pressure, and that the rebound of the particle in the cyclone chamber tends to alleviate under low pressure. The cyclone is used to remove nanoparticles from industrial exhaust fumes.
    Type: Application
    Filed: December 4, 2003
    Publication date: June 9, 2005
    Applicant: Industrial Technology Research Institute
    Inventors: Hung-Min Chien, Yu-Du Hsu, Chuen Tsai