Patents by Inventor ROHAN SWAR

ROHAN SWAR 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).

  • Nozzled turbine
    Patent number: 9157396
    Abstract: A turbine includes a turbine housing having two gas passages of substantially the same flow area. A nozzle ring is disposed in the housing and around the turbine wheel. The nozzle ring includes first and second outer rings, and an inner ring disposed between the first and second outer rings. First and second pluralities of vanes are disposed between the rings. The second outer ring has a thicker cross section than the first outer ring such that a larger flow area is created between the first outer ring and the inner ring than a flow area created between the second outer ring and the inner ring.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: October 13, 2015
    Assignee: Caterpillar Inc.
    Inventors: Christopher Lusardi, Richard W. Kruiswyk, Kerry A. Delvecchio, Matthew T. Wolk, Rohan Swar, Carl-Anders Hergart
  • Mixing system for engine with exhaust gas recirculation
    Patent number: 8915235
    Abstract: An air exhaust mixer assembly includes an upstream intake section with an upstream elbow and a downstream elbow. A mixing tube is configured to introduce exhaust gas into the upstream intake section at a location upstream of the downstream elbow. An internal combustion engine utilizing the air exhaust mixer assembly is also provided.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: December 23, 2014
    Assignee: Caterpillar Inc.
    Inventors: Aaron Luft, Jeremy Byrd, Rohan Swar, Catalin Tiru, Prasad Chodavarapu
  • Nozzled Turbine
    Publication number: 20140338328
    Abstract: A turbine includes a turbine housing having two gas passages of substantially the same flow area. A nozzle ring is disposed in the housing and around the turbine wheel. The nozzle ring includes first and second outer rings, and an inner ring disposed between the first and second outer rings. First and second pluralities of vanes are disposed between the rings. The second outer ring has a thicker cross section than the first outer ring such that a larger flow area is created between the first outer ring and the inner ring than a flow area created between the second outer ring and the inner ring.
    Type: Application
    Filed: May 17, 2013
    Publication date: November 20, 2014
    Applicant: Caterpillar Inc.
    Inventors: Christopher Lusardi, Richard W. Kruiswyk, Kerry A. Delvecchio, Matthew T. Wolk, Rohan Swar, Carl-Anders Hergart
  • MIXING SYSTEM FOR ENGINE WITH EXHAUST GAS RECIRCULATION
    Publication number: 20130000617
    Abstract: An air exhaust mixer assembly includes an upstream intake section with an upstream elbow and a downstream elbow. A mixing tube is configured to introduce exhaust gas into the upstream intake section at a location upstream of the downstream elbow. An internal combustion engine utilizing the air exhaust mixer assembly is also provided.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Applicant: CATERPILLAR INC.
    Inventors: AARON LUFT, JEREMY BYRD, ROHAN SWAR, CATALIN TIRU, PRASAD CHODAVARAPU