Patents by Inventor Daniel Robert Wentzel

Daniel Robert Wentzel 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).

  • Aftertreatment system having dynamic independent injector control
    Patent number: 9624805
    Abstract: An aftertreatment system is provided for an engine. The aftertreatment system may have at least one exhaust passage and a plurality of reductant injectors that are controllable to dose reductant into the at least one exhaust passage. The aftertreatment system may also have at least one sensor configured to generate a signal indicative of an exhaust parameter and a controller in communication with each of the plurality of reductant injectors and the sensor. The controller may be configured to dynamically adjust the dosing of the plurality of injectors, wherein adjusting the dosing includes adjusting at least one of an injector timing, an injector sequence, and a grouping of the plurality of injectors that are simultaneously injecting based on the signal.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: April 18, 2017
    Assignee: Caterpillar Inc.
    Inventors: Daniel Robert Wentzel, Brian Michael Cole
  • AFTERTREATMENT SYSTEM HAVING DYNAMIC INDEPENDENT INJECTOR CONTROL
    Publication number: 20160061079
    Abstract: An aftertreatment system is provided for an engine. The aftertreatment system may have at least one exhaust passage and a plurality of reductant injectors that are controllable to dose reductant into the at least one exhaust passage. The aftertreatment system may also have at least one sensor configured to generate a signal indicative of an exhaust parameter and a controller in communication with each of the plurality of reductant injectors and the sensor. The controller may be configured to dynamically adjust the dosing of the plurality of injectors, wherein adjusting the dosing includes adjusting at least one of an injector timing, an injector sequence, and a grouping of the plurality of injectors that are simultaneously injecting based on the signal.
    Type: Application
    Filed: August 26, 2014
    Publication date: March 3, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Daniel Robert Wentzel, Brian Michael Cole