Patents by Inventor Chieh-Lung Ho

Chieh-Lung Ho 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).

  • Fan and impeller
    Patent number: 8202055
    Abstract: A fan includes a housing, an impeller and a motor. The impeller includes a hub, a ring and a plurality of flat blades. The ring surrounds the hub without substantial contact therewith and is connected to the hub by at least one connecting arm. The flat blades are disposed on the ring and the active surface of each flat blade has an imaginary extending lines which is which is tangent to a rim of the hub.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: June 19, 2012
    Assignee: Delta Electronics, Inc.
    Inventors: Hsiu-Wei Wu, Yi-Ling Chen, Chieh-Lung Ho
  • FAN AND IMPELLER
    Publication number: 20090175730
    Abstract: A fan includes a housing, an impeller and a motor. The impeller includes a hub, a ring and a plurality of flat blades. The ring surrounds the hub without substantial contact therewith and is connected to the hub by at least one connecting arm.
    Type: Application
    Filed: March 17, 2009
    Publication date: July 9, 2009
    Applicant: DELTA ELECTRONICS INC.
    Inventors: Hsiu-Wei WU, Yi-Ling Chen, Chieh-Lung Ho
  • Fan housing
    Publication number: 20060257276
    Abstract: A fan housing for surrounding the rotor of a fan. The fan housing has a first frame and a second frame. The first frame includes at least one extending part with a first engaging member. The second frame includes a guide slot and a second engaging member corresponding to the first engaging member to enable the first and second frames to be detachably assembled together.
    Type: Application
    Filed: December 5, 2005
    Publication date: November 16, 2006
    Inventors: Wen-Tsao Lee, Chieh-Lung Ho, Shang-Yen Tsai, Hsiu-Wei Wu
  • Fan blade
    Patent number: 7118345
    Abstract: An impeller is applied to a centrifugal fan and includes fan blades and a hub. Each fan blade includes a first portion and a second portion. The first portion is located relatively close to the hub and the first portion is coupled to the second portion. The first portion has a windward side and a leeward side, and the windward side is parallel to the leeward side. The second portion is located relatively far away from the hub. The second portion has a windward side and a leeward side, and the windward side and the leeward side are two curved surfaces with different specific curvatures.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: October 10, 2006
    Assignee: Delta Electronics, Inc.
    Inventors: Hsiu-Wei Wu, Heng-Yi Chen, Chin-Fu Lee, Wen-Tsao Lee, Wen-Shi Huang, Kuo-Chen Huang, Chieh-Lung Ho
  • Fan
    Publication number: 20050249604
    Abstract: Fans. A fan comprises a hub, a ring and a plurality of flat blades. The ring surrounds the hub without substantial contact therewith and is connected to the hub by at least one connecting arm. The flat blades are disposed on the ring and comprise active surface which extending lines of the active surfaces are tangent to a circle.
    Type: Application
    Filed: May 6, 2005
    Publication date: November 10, 2005
    Inventors: Hsiu-Wei Wu, Yi-Ling Chen, Kuo-Chen Huang, Shang-Yen Tsai, Chieh-Lung Ho
  • Fan blade
    Publication number: 20050002793
    Abstract: An impeller is applied to a centrifugal fan and includes fan blades and a hub. Each fan blade includes a first portion and a second portion. The first portion is located relatively close to the hub and the first portion is coupled to the second portion. The first portion has a windward side and a leeward side, and the windward side is parallel to the leeward side. The second portion is located relatively far away from the hub. The second portion has a windward side and a leeward side, and the windward side and the leeward side are two curved surfaces with different specific curvatures.
    Type: Application
    Filed: June 17, 2004
    Publication date: January 6, 2005
    Inventors: Hsiu-Wei Wu, Heng-Yi Chen, Chin-Fu Lee, Wen-Tsao Lee, Wen-Shi Huang, Kuo-Chen Huang, Chieh-Lung Ho