Patents by Inventor Kay Schwerdtfeger

Kay Schwerdtfeger 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).

  • Method for starting a gaseous fuel combustion engine
    Patent number: 10801426
    Abstract: A method for starting a gaseous fuel internal combustion engine is disclosed. According to the disclosed method, the engine is rotated using a start device until a first speed threshold is reached. After reaching the first speed threshold, pilot fuel is supplied to a plurality of cylinders of the engine to combust the same. After performing an ignition health check, gaseous fuel is supplied to all or a relatively large number of cylinders to start accelerating the engine up to a second speed threshold.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 13, 2020
    Assignee: Caterpillar Motoren GmbH & Co. KG
    Inventors: Eike Sixel, Kay Schwerdtfeger, Daniel Wester, Andre Schmidt
  • Method For Starting A Gaseous Fuel Combustion Engine
    Publication number: 20190195149
    Abstract: A method for starting a gaseous fuel internal combustion engine is disclosed. According to the disclosed method, the engine is rotated using a start device until a first speed threshold is reached. After reaching the first speed threshold, pilot fuel is supplied to a plurality of cylinders of the engine to combust the same. After performing an ignition health check, gaseous fuel is supplied to all or a relatively large number of cylinders to start accelerating the engine up to a second speed threshold.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Applicants: CATERPILLAR MOTOREN GMBH & CO. KG, CATERPILLAR MOTOREN ROSTOCK GMBH
    Inventors: Eike Sixel, Kay Schwerdtfeger, Daniel Wester, Andre Schmidt