Patents by Inventor Wang Chaohai

Wang Chaohai 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).

  • Water-resistant electric motor
    Patent number: 7492071
    Abstract: A water-resistant electric motor includes a housing for receiving an electric motor armature therein and an end cap for closing an open end of the housing. The housing includes a drive shaft aperture within a cylindrical recess that receives a journal bearing and a ring seal. The end cap includes a wire access hole for receiving power supply wires. Surrounding the wire access hole is a ridge with cut-outs. A wire cover plate is seated on top of the ridge and includes cut-outs that correspond to the cut-outs in the ridge so that the power supply wires are accommodated therein when the cover plate is secured to the ridge. The wire access hole includes a grommet to seal the hole.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: February 17, 2009
    Inventors: Wang Chaohai, Jan Bos, Danny R. Minor
  • Water-resistant electric motor
    Publication number: 20080284265
    Abstract: A water-resistant electric motor includes a housing for receiving an electric motor armature therein and an end cap for closing an open end of the housing. The housing includes a drive shaft aperture within a cylindrical recess that receives a journal bearing and a ring seal. The end cap includes a wire access hole for receiving power supply wires. Surrounding the wire access hole is a ridge with cut-outs. A wire cover plate is seated on top of the ridge and includes cut-outs that correspond to the cut-outs in the ridge so that the power supply wires are accommodated therein when the cover plate is secured to the ridge. The wire access hole includes a grommet to seal the hole.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 20, 2008
    Applicant: Vision Global Trading, Inc.
    Inventors: Wang Chaohai, Jan Bos, Danny R. Minor