Patents by Inventor Sundar Doraiswamy

Sundar Doraiswamy 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).

  • Method and apparatus for control of a variable speed compressor
    Publication number: 20060130504
    Abstract: A vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a variable speed compressor, a first heat exchanger, an expansion device and a second heat exchanger. A first blower device is associated with the first heat exchanger. A speed of the first blower device is dependent upon a speed of the compressor. A second blower device is associated with the second heat exchanger. A speed of the second blower device is dependent upon the speed of the compressor.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 22, 2006
    Inventors: Nityanand Agrawal, Suresh Akella, Kotresh Shivakavi, Sundar Doraiswamy, T. Raghavendra