Patents by Inventor Nikhil NACHAPPA

Nikhil NACHAPPA 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).

  • Magnetic pulse welding of engine components
    Patent number: 10265798
    Abstract: A composite engine component comprises a body having an outer circumferential surface and an inner circumferential surface. The body of the engine component is of unitary, integral, one-piece construction and comprises a radially inner section and a radially outer section having different material compositions. The radially inner section and the radially outer section of the body are welded together using a magnetic pulse welding process in which a metallurgical bond is formed along a bonding interface between the inner and outer sections of the body.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: April 23, 2019
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Nikhil Nachappa, Searle Frei, Steven J. Sytsma
  • Magnetic Pulse Welding of Engine Components
    Publication number: 20180119634
    Abstract: A composite engine component comprises a body having an outer circumferential surface and an inner circumferential surface. The body of the engine component is of unitary, integral, one-piece construction and comprises a radially inner section and a radially outer section having different material compositions. The radially inner section and the radially outer section of the body are welded together using a magnetic pulse welding process in which a metallurgical bond is formed along a bonding interface between the inner and outer sections of the body.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 3, 2018
    Inventors: Nikhil Nachappa, Searle Frei, Steven J. Sytsma
  • Piston with anti-carbon coating and method for applying an anti-carbon coating on a piston
    Patent number: 9903310
    Abstract: A piston having a piston crown with a combustion chamber, and a circumferential ring belt extending from the piston crown and having a plurality of ring grooves separated by piston lands. At least one of the piston lands, ring grooves or top surface of the crown is provided with a coating comprising hexagonal boron nitride. The coating can be made solely of hexagonal boron nitride, or can additionally include a resin. The coating can be a single layer coating or a multiple layer coating.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: February 27, 2018
    Assignee: MAHLE International GmbH
    Inventors: Jason Bieneman, Nikhil Nachappa
  • PISTON WITH ANTI-CARBON COATING AND METHOD FOR APPLYING AN ANTI-CARBON COATING ON A PISTON
    Publication number: 20170321627
    Abstract: A piston having a piston crown with a combustion chamber, and a circumferential ring belt extending from the piston crown and having a plurality of ring grooves separated by piston lands. At least one of the piston lands, ring grooves or top surface of the crown is provided with a coating comprising hexagonal boron nitride. The coating can be made solely of hexagonal boron nitride, or can additionally include a resin. The coating can be a single layer coating or a multiple layer coating.
    Type: Application
    Filed: May 5, 2016
    Publication date: November 9, 2017
    Inventors: Jason BIENEMAN, Nikhil NACHAPPA