Patents by Inventor Feng-Kun Cheng

Feng-Kun Cheng 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).

  • Publication number: 20140115828
    Abstract: A hinge structure includes a base, a rotating member and a resilient member. The base includes a cylinder and a piston slidably mounted in the cylinder. Both the resilient member and increasing air pressure in the cylinder below the piston act as a cushioning module to make the rotating member move more and more slowly to the end of the closed position, to cushion the closing of the rotating member and any object it carries.
    Type: Application
    Filed: June 10, 2013
    Publication date: May 1, 2014
    Inventors: FENG-KUN CHENG, CHIH-CHUNG CHAN
  • Patent number: 8347884
    Abstract: A brushless fan motor includes a case, a tubular part disposed in the case and fixed at a bottom of the case, at least a bearing disposed in the tubular part, a toric coil surrounding the tubular part, and a rotating assembly. The rotating assembly includes a turntable, a rotating shaft, a loading ring, a permeability metal element and a toric radial magnet. The turntable has a top surface and fan blades disposed on the top surface. The rotating shaft is disposed through the bearing and connected to the turntable. The loading ring connected to the turntable surrounds the toric coil. The permeability metal element includes an annular part fixed at an inner wall of the loading ring. The toric radial magnet is fixed at an inner wall of the annular part. A positive airway pressure breathing apparatus using the brushless fan motor is also provided.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: January 8, 2013
    Assignee: Lead Data Inc.
    Inventors: Feng-Kun Cheng, Chih-Yang Hsiao
  • Publication number: 20120180792
    Abstract: A brushless fan motor includes a case, a tubular part disposed in the case and fixed at a bottom of the case, at least a bearing disposed in the tubular part, a toric coil surrounding the tubular part, and a rotating assembly. The rotating assembly includes a turntable, a rotating shaft, a loading ring, a permeability metal element and a toric radial magnet. The turntable has a top surface and fan blades disposed on the top surface. The rotating shaft is disposed through the bearing and connected to the turntable. The loading ring connected to the turntable surrounds the toric coil. The permeability metal element includes an annular part fixed at an inner wall of the loading ring. The toric radial magnet is fixed at an inner wall of the annular part. A positive airway pressure breathing apparatus using the brushless fan motor is also provided.
    Type: Application
    Filed: May 3, 2011
    Publication date: July 19, 2012
    Applicant: LEAD DATA INC.
    Inventors: Feng-Kun CHENG, Chih-Yang Hsiao