Patents by Inventor Tom Troberg

Tom Troberg 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).

  • Pressure control in the common rail system of a combustion engine
    Patent number: 8744725
    Abstract: The apparatus and method according to the invention comprise a controller (7) to form a control signal, which controller is arranged to receive pressure data on the CR system, and into which controller pressure reference data is set. In addition, the apparatus also comprises a module (9) to form an internal pressure reference value to replace the set pressure reference value when forming the control signal.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: June 3, 2014
    Assignee: Wartsila Finland Oy
    Inventors: Tom Troberg, Tom Kaas
  • Apparatus and method for controlling the speed of an internal combustion engine
    Patent number: 8494755
    Abstract: The apparatus according to the invention comprises a controller for forming a speed signal arranged to receive speed measurement data of the internal combustion engine as well as speed reference data. The apparatus additionally comprises a module for forming the internal speed reference value instead of the speed reference value set to be used when forming the control signal.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: July 23, 2013
    Assignee: Wartsila Finland Oy
    Inventors: Tom Kaas, Tom Troberg, Johan Pensar
  • PRESSURE CONTROL IN THE COMMON RAIL SYSTEM OF A COMBUSTION ENGINE
    Publication number: 20110257868
    Abstract: The apparatus and method according to the invention comprise a controller (7) to form a control signal, which controller is arranged to receive pressure data on the CR system, and into which controller pressure reference data is set. In addition, the apparatus also comprises a module (9) to form an internal pressure reference value to replace the set pressure reference value when forming the control signal.
    Type: Application
    Filed: December 15, 2009
    Publication date: October 20, 2011
    Inventors: Tom Troberg, Tom Kaas
  • APPARATUS AND METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE
    Publication number: 20110247588
    Abstract: The apparatus according to the invention comprises a controller for forming a speed signal arranged to receive speed measurement data of the internal combustion engine as well as speed reference data. The apparatus additionally comprises a module for forming the internal speed reference value instead of the speed reference value set to be used when forming the control signal.
    Type: Application
    Filed: December 15, 2009
    Publication date: October 13, 2011
    Inventors: Tom Kaas, Tom Troberg, Johan Pensar