Patents by Inventor Ya-Yu Chao

Ya-Yu Chao 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).

  • Heat-dissipating fan device
    Patent number: 7061758
    Abstract: A fan impeller of a heat-dissipating fan device is mounted in a receiving space of a fan housing, and includes coupling ribs that extend radially and outwardly from an outer surrounding surface of a hub cap and that are spaced apart angularly from each other, a smaller-diameter first connecting ring disposed coaxially around an intermediate portion of the hub cap and connected to the coupling ribs, a larger-diameter second connecting ring disposed coaxially around a lower portion of the hub cap, and fan blades that are spaced apart angularly from each other. Each fan blade has a first blade body connected to and disposed uprightly on the first connecting ring, and a second blade body connected to and extending radially from the first blade body and having a bottom end connected to the second connecting ring.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: June 13, 2006
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Hung-Sheng Liu, Ya-Yu Chao
  • Heat-dissipating fan device
    Publication number: 20050122695
    Abstract: A fan impeller of a heat-dissipating fan device is mounted in a receiving space of a fan housing, and includes coupling ribs that extend radially and outwardly from an outer surrounding surface of a hub cap and that are spaced apart angularly from each other, a smaller-diameter first connecting ring disposed coaxially around an intermediate portion of the hub cap and connected to the coupling ribs, a larger-diameter second connecting ring disposed coaxially around a lower portion of the hub cap, and fan blades that are spaced apart angularly from each other. Each fan blade has a first blade body connected to and disposed uprightly on the first connecting ring, and a second blade body connected to and extending radially from the first blade body and having a bottom end connected to the second connecting ring.
    Type: Application
    Filed: November 20, 2003
    Publication date: June 9, 2005
    Applicant: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Hung-Sheng Liu, Ya-Yu Chao