Patents by Inventor Peter J. Mattei

Peter J. Mattei 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).

  • Mixer assembly for exhaust aftertreatment system
    Patent number: 9534525
    Abstract: An exhaust aftertreatment system may include an injector, an aftertreatment device and a mixer assembly. The injector may be configured to inject a fluid into an exhaust passageway that receives exhaust gas from a combustion engine. The aftertreatment device may be disposed in the exhaust passageway downstream of the injector. The mixer assembly may be disposed in the exhaust passageway upstream of the aftertreatment device and may include a first stage having a plurality of parallel plates and a second stage connected to the first stage and disposed downstream of the first stage. The second stage may include an auger blade. The mixer assembly may divide an exhaust stream into at least two flow paths.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: January 3, 2017
    Assignee: Tenneco Automotive Operating Company Inc.
    Inventors: Lawrence Dalimonte, Peter J. Mattei, Michael Golin
  • Mixer Assembly For Exhaust Aftertreatment System
    Publication number: 20160348557
    Abstract: An exhaust aftertreatment system may include an injector, an aftertreatment device and a mixer assembly. The injector may be configured to inject a fluid into an exhaust passageway that receives exhaust gas from a combustion engine. The aftertreatment device may be disposed in the exhaust passageway downstream of the injector. The mixer assembly may be disposed in the exhaust passageway upstream of the aftertreatment device and may include a first stage having a plurality of parallel plates and a second stage connected to the first stage and disposed downstream of the first stage. The second stage may include an auger blade. The mixer assembly may divide an exhaust stream into at least two flow paths.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 1, 2016
    Inventors: Lawrence Dalimonte, Peter J. Mattei, Michael Golin