Patents by Inventor Jonathan Rohed

Jonathan Rohed 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).

  • Pump testing for predicting lifetime and wear conditions
    Patent number: 9765789
    Abstract: System and method for testing a pump. The testing of the pump includes determining a Mechanical Power Index (MPI) for the pump. The MPI is determined by operating the pump at operating speed for a minimum operating interval. When the pump is stopped under normal operation by the application, the pump speed is continuously monitored. The time when the pump speed decreases to an initial speed close to the operating speed is read as an initial time. When the pump speed decreases to a final pump speed close to the critical speed, the end time is read and the elapsed time is determined as ?t=end time?initial time. The MPI is calculated to be the initial pump speed minus the final pump speed divided by ?t. The MPI can be used during the lifetime of the pump to determine when the pump is deteriorating.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 19, 2017
    Assignee: Agilent Technologies, Inc.
    Inventors: Follo Alessandro, Flavio Cometti, Gianluca Buccheri, Jonathan Rohed
  • Pump Testing for Predicting Lifetime and Wear Conditions
    Publication number: 20140271106
    Abstract: System and method for testing a pump. The testing of the pump includes determining a Mechanical Power Index (MPI) for the pump. The MPI is determined by operating the pump at operating speed for a minimum operating interval. When the pump is stopped under normal operation by the application, the pump speed is continuously monitored. The time when the pump speed decreases to an initial speed close to the operating speed is read as an initial time. When the pump speed decreases to a final pump speed close to the critical speed, the end time is read and the elapsed time is determined as ?t=end time?initial time. The MPI is calculated to be the initial pump speed minus the final pump speed divided by ?t. The MPI can be used during the lifetime of the pump to determine when the pump is deteriorating.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventors: Follo Alessandro, Flavio Cometti, Gianluca Buccheri, Jonathan Rohed