Patents by Inventor Madhan Rajachandran

Madhan Rajachandran 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).

  • Apparatus for disinfection of sea water/ship's ballast water and a method thereof
    Patent number: 7815810
    Abstract: The invention disclosed provides an apparatus and method for disinfection of ship's ballast water, such as sea water, based on hydrodynamic cavitation. The apparatus comprises a cavitating chamber of cross section such as circular or non circular shape housing a single or multiple cavitating element(s) in the form of plates of metallic, ceramic, plastic materials of varying thicknesses placed perpendicular to the direction of flow of liquid and positioned at uniform or non-uniform spacing. The cavitating elements are provided with single or multiple orifices of different cross sections, circular or non-circular, with or without sharp edges and with a fraction of cross-sectional open area of the passage. The disinfected water may be re-circulated through the system for additional disinfection or released from the tank into the surrounding waterways.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: October 19, 2010
    Assignees: Council of Scientific and Industrial Research, Mumbai University Institute of Chemical Technology
    Inventors: Pandit A. Bhalchandra, Ranade V. Vinayak, Anil A. Chandrashekar, Sawant S. Shivram, Ilangovan Dandayudapani, Madhan Rajachandran, Pilarisetty V. Krishnamurthy
  • Apparatus for disinfection of sea water/ship's ballast water and a method thereof
    Publication number: 20070102371
    Abstract: The invention disclosed provides an apparatus and method for disinfection of ship's ballast water, such as sea water, based on hydrodynamic cavitation. The apparatus comprises a cavitating chamber of cross section such as circular or non circular shape housing a single or multiple cavitating element(s) in the form of plates of metallic, ceramic, plastic materials of varying thicknesses placed perpendicular to the direction of flow of liquid and positioned at uniform or non-uniform spacing. The cavitating elements are provided with single or multiple orifices of different cross sections, circular or non-circular, with or without sharp edges and with a fraction of cross-sectional open area of the passage. The disinfected water may be re-circulated through the system for additional disinfection or released from the tank into the surrounding waterways.
    Type: Application
    Filed: March 15, 2006
    Publication date: May 10, 2007
    Inventors: Pandit Bhalchandra, Ranade Vinayak, Anil Chandrashekar, Sawant Shivram, Ilangovan Dandayudapani, Madhan Rajachandran, Pilarisetty Krishnamurthy