Patents Assigned to Keyou GmbH
  • Patent number: 11649778
    Abstract: The invention relates to a method for operating an internal combustion engine comprising: determining a first set point value of a volume of air to be taken into the combustion chamber of the internal combustion engine within one working cycle thereof by retrieving the first set point value from a first characteristic map stored in a memory device of an electronic computing device as a function of a current engine speed of the internal combustion engine and as a function of a torque to be provided by the internal combustion engine; and determining a second set point value by retrieving the second set point value from a second characteristic map stored in the memory device of the electronic computing device as a function of a current engine speed of the internal combustion engine and as a function of a current volume of air supplied to the combustion chamber.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 16, 2023
    Assignee: KEYOU GMBH
    Inventors: Franz Werner Prümm, Daniel Thomas Koch
  • Patent number: 11268460
    Abstract: The invention relates to a method for operating a gas engine having at least one combustion chamber, in particular for a motor vehicle, wherein a gaseous fuel is injected directly into the combustion chamber in order to operate the gas engine, the gaseous fuel being injected directly into the combustion chamber within a working cycle of the gas engine during at least two phases spaced apart from each other in time, the at least two phases beginning and ending before the first ignition occurring within the working cycle.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: March 8, 2022
    Assignee: Keyou GmbH
    Inventor: Franz Werner Prümm