Patents by Inventor Eric SPAETH

Eric SPAETH 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 module having replaceable catalyst housing
    Patent number: 9976470
    Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: May 22, 2018
    Assignee: Caterpillar Inc.
    Inventors: Raymond U. Isada, Kurtis E. Chenoweth, Eric Spaeth, Ping Xiang, Yung T. Bui
  • AFTERTREATMENT MODULE HAVING REPLACEABLE CATALYST HOUSING
    Publication number: 20170241322
    Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 24, 2017
    Inventors: Raymond U. Isada, Kurtis E. Chenoweth, Eric Spaeth, Ping Xiang, Yung T. Bui
  • Aftertreatment module having replaceable catalyst housing
    Patent number: 9677447
    Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: June 13, 2017
    Assignee: Caterpillar Inc.
    Inventors: Raymond Upano Isada, Kurtis Edward Chenoweth, Eric Spaeth, Ping Xiang, Yung T. Bui
  • AFTERTREATMENT MODULE HAVING REPLACEABLE CATALYST HOUSING
    Publication number: 20160160727
    Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 9, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Raymond Upano ISADA, Kurtis Edward CHENOWETH, Eric SPAETH, Ping XIANG, Yung T. BUI