Patents by Inventor Dirk Deja

Dirk Deja 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).

  • Device, method and assembly for cleaning the core engine of a jet engine
    Patent number: 11555414
    Abstract: A device cleans a core engine of a jet engine. The device has: a nozzle installation which is configured for introducing a cleaning medium into the core engine; a connector configured to connect the device in a rotationally fixed manner to a shaft of a fan of the jet engine; and a line connection configured to supply the cleaning medium, which is connected to the nozzle installation by a rotary coupling. The nozzle installation comprises nozzles, comprising at least one flat jet nozzle, and at least one full cone nozzle or hollow cone nozzle.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: January 17, 2023
    Assignee: LUFTHANSA TECHNIK AG
    Inventors: Dirk Deja, Christian Lutz, Sina Glasse
  • Device and assembly for cleaning the core engine of a jet engine
    Patent number: 11536156
    Abstract: A device cleans a core engine of a jet engine. The device has: a nozzle installation configured to introduce a cleaning medium into the core engine; a connector configured to connect the device in a rotationally fixed manner to a shaft of a fan of the jet engine; and a line connection configured to supply the cleaning medium, the line connection being connected to the nozzle installation by a rotary coupling. The nozzle installation has first contact faces configured to bear axially on fan blades of the fan, the first contact faces being configured for defined positioning of the nozzle installation relative to the jet engine.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 27, 2022
    Assignee: LUFTHANSA TECHNIK AG
    Inventors: Dirk Deja, Christian Lutz, Marc Hacker
  • Method and device for cleaning a jet engine
    Patent number: 11215071
    Abstract: A method for cleaning a jet engine includes introducing a cleaning medium having solid materials into the engine by way of at least one discharging device, wherein the cleaning medium exits from the discharging device at an exit speed of 80 m/s or less.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: January 4, 2022
    Assignee: LUFTHANSA TECHNIK AG
    Inventors: Sebastian Giljohann, Holger Stefan Appel, Dirk Deja
  • DEVICE, METHOD AND ASSEMBLY FOR CLEANING THE CORE ENGINE OF A JET ENGINE
    Publication number: 20210317752
    Abstract: A device cleans a core engine of a jet engine. The device has: a nozzle installation which is configured for introducing a cleaning medium into the core engine; a connector configured to connect the device in a rotationally fixed manner to a shaft of a fan of the jet engine; and a line connection configured to supply the cleaning medium, which is connected to the nozzle installation by a rotary coupling. The nozzle installation comprises nozzles, comprising at least one flat jet nozzle, and at least one full cone nozzle or hollow cone nozzle.
    Type: Application
    Filed: August 1, 2019
    Publication date: October 14, 2021
    Inventors: Dirk Deja, Christian Lutz, Sina Glasse
  • DEVICE AND ASSEMBLY FOR CLEANING THE CORE ENGINE OF A JET ENGINE
    Publication number: 20210164360
    Abstract: A device cleans a core engine of a jet engine. The device has: a nozzle installation configured to introduce a cleaning medium into the core engine; a connector configured to connect the device in a rotationally fixed manner to a shaft of a fan of the jet engine; and a line connection configured to supply the cleaning medium, the line connection being connected to the nozzle installation by a rotary coupling. The nozzle installation has first contact faces configured to bear axially on fan blades of the fan, the first contact faces being configured for defined positioning of the nozzle installation relative to the jet engine.
    Type: Application
    Filed: August 1, 2019
    Publication date: June 3, 2021
    Inventors: Dirk Deja, Christian Lutz, Marc Hacker
  • METHOD AND DEVICE FOR CLEANING A JET ENGINE
    Publication number: 20180306055
    Abstract: A method for cleaning a jet engine includes introducing a cleaning medium having solid materials into the engine by way of at least one discharging device, wherein the cleaning medium exits from the discharging device at an exit speed of 80 m/s or less.
    Type: Application
    Filed: May 26, 2016
    Publication date: October 25, 2018
    Inventors: Sebastian Giljohann, Holger Stefan Appel, Dirk Deja