Patents by Inventor Sudhanshu Talwar

Sudhanshu Talwar 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).

  • Exhaust gas recirculation and control with twin scroll turbines
    Patent number: 11015553
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: May 25, 2021
    Assignee: Cummins Inc.
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • EXHAUST GAS RECIRCULATION AND CONTROL WITH TWIN SCROLL TURBINES
    Publication number: 20190145360
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • Exhaust gas recirculation and control with twin scroll turbines
    Patent number: 10197018
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: February 5, 2019
    Assignee: Cummins Inc.
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • Systems and methods for controlling EGR flow during transients
    Patent number: 10119501
    Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine configured to control an EGR fraction in the charge flow to the cylinders in response to an EGR fraction overshoot condition, an exhaust pressure change in the EGR loop, and/or a transient operating condition.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 6, 2018
    Assignee: Cummins Inc.
    Inventors: Marten H. Dane, Sudhanshu Talwar
  • Mixer for dedicated exhaust gas recirculation systems
    Patent number: 10082110
    Abstract: Systems, methods and techniques for exhaust gas recirculation are provided. The system includes mixing exhaust flow from at least one cylinder of an engine with air in an air intake system prior to combustion. The exhaust flow from the at least one cylinder is accumulated prior to mixing and distributed into the intake air system in a controlled manner.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: September 25, 2018
    Assignee: Cummins Inc.
    Inventors: Rajkumar Subramanian, Madhuri Gandikota, Marten H. Dane, Samuel C. Geckler, Sudhanshu Talwar
  • SYSTEMS AND METHODS FOR CONTROLLING EGR FLOW DURING TRANSIENTS
    Publication number: 20160252054
    Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine configured to control an EGR fraction in the charge flow to the cylinders in response to an EGR fraction overshoot condition, an exhaust pressure change in the EGR loop, and/or a transient operating condition.
    Type: Application
    Filed: April 26, 2016
    Publication date: September 1, 2016
    Inventors: Marten H. Dane, Sudhanshu Talwar
  • EXHAUST GAS RECIRCULATION AND CONTROL WITH TWIN SCROLL TURBINES
    Publication number: 20160123281
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Application
    Filed: January 12, 2016
    Publication date: May 5, 2016
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • Exhaust gas recirculation and control with twin scroll turbines
    Patent number: 9249761
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: February 2, 2016
    Assignee: Cummins Inc.
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • MIXER FOR DEDICATED EXHAUST GAS RECIRCULATION SYSTEMS
    Publication number: 20150292445
    Abstract: Systems, methods and techniques for exhaust gas recirculation are provided. The system includes mixing exhaust flow from at least one cylinder of an engine with air in an air intake system prior to combustion. The exhaust flow from the at least one cylinder is accumulated prior to mixing and distributed into the intake air system in a controlled manner.
    Type: Application
    Filed: April 15, 2015
    Publication date: October 15, 2015
    Inventors: Rajkumar Subramanian, Madhuri Gandikota, Marten H. Dane, Samuel C. Geckler, Sudhanshu Talwar
  • Systems and methods for dedicated exhaust gas recirculation and control
    Patent number: 9032940
    Abstract: Systems and methods for exhaust gas recirculation are provided. The system includes a dedicated exhaust gas recirculation loop for recirculating exhaust gas flow from at least one dedicated cylinder of an engine into an intake system prior to combustion. The system further includes a low pressure exhaust gas recirculation loop for increasing the exhaust gas recirculation amount above that provided by the dedicated exhaust gas recirculation loop.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: May 19, 2015
    Assignee: Cummins Inc.
    Inventors: Marten H. Dane, Samuel C. Geckler, Sudhanshu Talwar
  • EXHAUST GAS RECIRCULATION AND CONTROL WITH TWIN SCROLL TURBINES
    Publication number: 20140366532
    Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
    Type: Application
    Filed: June 13, 2013
    Publication date: December 18, 2014
    Inventors: Sudhanshu Talwar, Samuel C. Geckler, Marten H. Dane
  • SYSTEMS AND METHODS FOR DEDICATED EXHAUST GAS RECIRCULATION AND CONTROL
    Publication number: 20140202433
    Abstract: Systems and methods for exhaust gas recirculation are provided. The system includes a dedicated exhaust gas recirculation loop for recirculating exhaust gas flow from at least one dedicated cylinder of an engine into an intake system prior to combustion. The system further includes a low pressure exhaust gas recirculation loop for increasing the exhaust gas recirculation amount above that provided by the dedicated exhaust gas recirculation loop.
    Type: Application
    Filed: January 18, 2013
    Publication date: July 24, 2014
    Applicant: Cummins Inc.
    Inventors: Marten H. Dane, Samuel C. Geckler, Sudhanshu Talwar
  • MIXER FOR DEDICATED EXHAUST GAS RECIRCULATION SYSTEMS
    Publication number: 20140020382
    Abstract: Systems, methods and techniques for exhaust gas recirculation are provided. The system includes mixing exhaust flow from at least one cylinder of an engine with air in an air intake system prior to combustion. The exhaust flow from the at least one cylinder is accumulated prior to mixing and distributed into the intake air system in a controlled manner.
    Type: Application
    Filed: July 23, 2012
    Publication date: January 23, 2014
    Inventors: Rajkumar Subramanian, Madhuri Gandikota, Marten H. Dane, Samuel C. Geckler, Sudhanshu Talwar