Patents by Inventor Hemant Sindkar

Hemant Sindkar 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).

  • Systems and methods for controlling piston pumps
    Patent number: 10927742
    Abstract: A controller configured to be operatively coupled to a reductant insertion assembly comprising a first pump for inserting a reductant into a selective catalytic reduction system, is programmed to set an insertion interval timer for the first insertion interval in response to receiving a first insertion command. The controller starts the insertion interval timer, records an elapsed time period from the start of the insertion interval timer, and activates the first pump when the timer starts. The controller receives a second insertion command comprising information for activating the first pump for a second duty cycle for second insertion intervals different than the first insertion interval. If the second insertion interval is smaller than the recorded elapsed time period, the insertion interval timer is set for the second insertion interval, the insertion interval timer is started, and if not already activated, the first pump is activated for the second duty cycle.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 23, 2021
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Kern Lik Tan, Joe V. Hill, Deepu Chandy, Vikram Sundararajan, Vinayak Mandavkar, Hemant Sindkar
  • SYSTEMS AND METHODS FOR CONTROLLING PISTON PUMPS
    Publication number: 20210010404
    Abstract: A controller configured to be operatively coupled to a reductant insertion assembly comprising a first pump for inserting a reductant into a selective catalytic reduction system, is programmed to set an insertion interval timer for the first insertion interval in response to receiving a firs insertion command. The controller starts the insertion interval timer, records an elapsed time period from the start of the insertion interval timer, and activates the first pump when the timer starts. The controller receives a second insertion command comprising information for activating the first pump for a second duty cycle for second insertion intervals different than the first insertion interval. If the second insertion interval is smaller than the recorded elapsed time period, the insertion interval timer is set for the second insertion interval, the insertion interval timer is started, and if not already activated, the first pump is activated for the second duty cycle.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 14, 2021
    Applicant: Cummins Emission Solutions Inc.
    Inventors: Kern Lik Tan, Joe V. Hill, Deepu Chandy, Vikram Sundararajan, Vinayak Mandavkar, Hemant Sindkar