Patents by Inventor Mary Louise Kesse

Mary Louise Kesse 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 system providing in situ sensor calibration
    Patent number: 7721529
    Abstract: An exhaust system for a combustion source is disclosed. The exhaust system may have a passageway connected to receive an exhaust flow from the combustion source, and a sensor disposed within the passageway. The sensor may generate a signal indicative of the concentration of a constituent in the exhaust flow. The exhaust system may also have a controller in communication with the sensor to receive the signal. The controller may be configured to selectively communicate a flow of calibration gas with the sensor during operation of the combustion source, and compare the signal received during the selective communication with a reference value. The controller may be further configured to adjust the sensor output in response to the comparison.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: May 25, 2010
    Assignee: Caterpillar Inc.
    Inventors: Mary Louise Kesse, Paul Adam Gamble, James Joshua Driscoll, Michael Paul Withrow
  • Exhaust system providing in situ sensor calibration
    Publication number: 20080127633
    Abstract: An exhaust system for a combustion source is disclosed. The exhaust system may have a passageway connected to receive an exhaust flow from the combustion source, and a sensor disposed within the passageway. The sensor may generate a signal indicative of the concentration of a constituent in the exhaust flow. The exhaust system may also have a controller in communication with the sensor to receive the signal. The controller may be configured to selectively communicate a flow of calibration gas with the sensor during operation of the combustion source, and compare the signal received during the selective communication with a reference value. The controller may be further configured to adjust the sensor output in response to the comparison.
    Type: Application
    Filed: November 30, 2006
    Publication date: June 5, 2008
    Inventors: Mary Louise Kesse, Paul Adam Gamble, James Joshua Driscoll, Michael Paul Withrow