Patents by Inventor Nagapatnam Sundararajan

Nagapatnam Sundararajan 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: 20090294105
    Abstract: An improved heat exchange device adaptable for cooling electronic components mounted over at least one external surface of the device, comprising a base plate; a cover plate; a clad plate interposed between the base plate and the cover plate, the base plate and the cover plate, with the clad sheet being rigidly jointed to form a single integrated plate; at least one inlet port and at least one outlet port atone end and/or at the opposite ends of the formed plate for entry and exit of a cooling medium, wherein the base plate is configured to have a plurality of flow-passages each comprising several machined grooves having varied dimensions predetermined in registration with respective thermal footprint of the electronic components thereby optimizing the heat transfer rate, and in that a plurality of interconnections being designed between the grooves constituting one of a series and parallel flow-paths.
    Type: Application
    Filed: August 10, 2005
    Publication date: December 3, 2009
    Applicant: BHARAT HEAVY ELECTRICALS LIMITED
    Inventors: Nagapatnam Sundararajan, Konala Lakshmana Reddy, Upperla Narasimha Rao, Shanmugan Veeramani
  • Patent number: 7610952
    Abstract: A compact two-pass steam condenser with at least one improved tube nest configuration, having, a steam inlet through which steam is received; at least one tube nest in two distinct bundles, the top and the bottom bundle each have a plurality of cooling tubes arranged in two distinct bundles and separated by a pass-partition for condensing the steam received through the steam inlet; and at least one non-condensable gas extracting tube through which non-condensable gas contained in the steam is extracted; a condensate outlet through which condensate condensed by the cooling tubes is discharged; and a vessel surrounding the tube nest.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: November 3, 2009
    Assignee: Bharat Heavy Electricals Limited
    Inventors: Konala Lakshmana Reddy, Nagapatnam Sundararajan, Guddanti Ramamohana Rao, Vinod Kumar Saxena
  • Publication number: 20090126912
    Abstract: A compact two-pass steam condenser with at least one improved tube nest configuration, having, a steam inlet through which steam is received; at least one tube nest in two distinct bundles, the top and the bottom bundle each have a plurality of cooling tubes arranged in two distinct bundles and separated by a pass-partition for condensing the steam received through the steam inlet; and at least one non-condensable gas extracting tube through which non-condensable gas contained in the steam is extracted; a condensate outlet through which condensate condensed by the cooling tubes is discharged; and a vessel surrounding the tube nest.
    Type: Application
    Filed: August 4, 2006
    Publication date: May 21, 2009
    Applicant: BHARAT HEAVY ELECTRICALS LIMITED
    Inventors: Konala Lakshmana Reddy, Nagapatnam Sundararajan, Guddanti Ramamohana Rao, Vinod Kumar Saxena