Patents by Inventor Yongkang Zeng

Yongkang Zeng 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).

  • Patent number: 7870621
    Abstract: A temperature difference swimming pool comprises a plurality of spaced apart water curtain controlling devices arranged at a bottom of the pool, and a temperature regulating system. Each of the water curtain controlling devices includes two juxtaposed pipes, a series of intermittent holes is formed in a top surface of the pipes, the pipes each has a closed end, and another end of the pipes is connected to a pump. Water is suctioned by the pump into one pipe and is then spurted out of the other pipe, thus making the water circulate and forming a water curtain. Since the water curtain stops the convection of the water, and the temperature regulating system is used to heat the water in one end of the swimming pool while cooling the water in the other end, thus forming a cold water region and a warm water region in one swimming pool.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: January 18, 2011
    Inventor: Yongkang Zeng
  • Publication number: 20080086807
    Abstract: A temperature difference swimming pool comprises a pool filled with water, a plurality of water curtain controlling devices, and a temperature regulating system. The water curtain controlling devices are spaced apart and arranged at a bottom of the pool, each of the water curtain controlling devices includes two juxtaposed pipes, a series of intermittent holes is formed in a top surface of the pipes and located along the length thereof and is vertical to the water surface of the pool, the pipes each has a close end, and another end of the pipes is connected to a pump. Water is suctioned by the pump into one pipe via the holes thereof, and is then spurted out of the other pipe via the holes thereof, thus making the water circulates and forming a water curtain in the swimming pool.
    Type: Application
    Filed: January 19, 2005
    Publication date: April 17, 2008
    Inventor: Yongkang Zeng