Patents by Inventor Baburao Keshwatkar

Baburao Keshwatkar 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).

  • Compact dry transformer
    Patent number: 7907039
    Abstract: An compact dry transformer (1A) comprising a magnetic material core (2) and a coil assembly (3) assembled onto the core. The core comprises heat dissipating covers (4) with cooling fins (5) snug fitted over the core. The coil assembly is mounted on the core over a heat dissipating shifted inner jacket (9) made of non-magnetic material in close contact with the inner jacket. At least one first heat pipe (11) provided with cooling fins is located between the core and inner jacket in close contact therewith. The coil assembly further comprises a heat dissipating shifted outer jacket (13) made of non-magnetic material snug fitted over the high voltage winding. At least one second heat pipe (15) protruding out of bushings provided with cooling fins is located against the outer jacket in close contact therewith.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: March 15, 2011
    Assignee: Crompton Greaves Limited
    Inventors: Arun Dattatraya Yargole, Baburao Keshwatkar, Ramdas Shridhar Kirjat
  • IMPROVED COMPACT DRY TRANSFORMER
    Publication number: 20100328002
    Abstract: An compact dry transformer (1A) comprising a magnetic material core (2) and a coil assembly (3) assembled onto the core. The core comprises heat dissipating covers (4) with cooling fins (5) snug fitted over the core. The coil assembly is mounted on the core over a heat dissipating shifted inner jacket (9) made of non-magnetic material in close contact with the inner jacket. At least one first heat pipe (11) provided with cooling fins is located between the core and inner jacket in close contact therewith. The coil assembly further comprises a heat dissipating shifted outer jacket (13) made of non-magnetic material snug fitted over the high voltage winding. At least one second heat pipe (15) protruding out of bushings provided with cooling fins is located against the outer jacket in close contact therewith.
    Type: Application
    Filed: February 22, 2008
    Publication date: December 30, 2010
    Inventors: Arun Dattatraya Yargole, Baburao Keshwatkar, Ramdas Shridhar Kirjat