Patents by Inventor Sergej RAJKOWSKI

Sergej RAJKOWSKI 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).

  • Leading edge structure for a flow control system of an aircraft
    Patent number: 12291323
    Abstract: A leading edge structure (11) for a flow control system of an aircraft (1), including a leading edge panel (13) surrounding a plenum (17) and having a first side portion (21), a second side portion (27), an inner surface (33) facing the plenum (17) and an outer surface (37) in contact with an ambient flow (39), wherein the leading edge panel (13) includes micro pores (45), wherein a first port device (49) is arranged in the first side portion (21) fluidly connected to the plenum (17) via a duct (53) defined by a duct structure (105), and wherein the first port device (49) comprises a first door (55) pivotable by a first hinge (57) about a first hinge axis (59).
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 6, 2025
    Assignee: AIRBUS OPERATIONS GMBH
    Inventors: Frank Nielsen, Martin Obermaier, Michael Höft, Ivano Bertolini, Jeff Wee Hong Yap, Sergej Rajkowski
  • Leading edge structure for a flow control system of an aircraft
    Patent number: 12006025
    Abstract: A leading edge structure (11) for a flow control system of an aircraft (1), including a leading edge panel (13) that surrounds a plenum (17), wherein the leading edge panel (13) has a first side portion (21), a second side portion (27), an inner surface (33) and an outer surface (37), wherein the leading edge panel (13) having micro pores (45) forming a fluid connection between the plenum (17) and the ambient flow (39), wherein a first air inlet/outlet device (49) is arranged in the first side portion (21) and a second air inlet outlet/device (51) is arranged in the second side portion (27), fluidly connected to the plenum (17), and wherein the first air inlet/outlet device (49) comprises a pivotable first door (55) and the second air inlet outlet/device (51) comprises a pivotable second door (61).
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: June 11, 2024
    Assignee: AIRBUS OPERATIONS GMBH
    Inventors: Ivano Bertolini, Martin Obermaier, Michael Höft, Frank Nielsen, Sergej Rajkowski, Jeff Wee Hong Yap
  • A LEADING EDGE STRUCTURE FOR A FLOW CONTROL SYSTEM OF AN AIRCRAFT
    Publication number: 20230294820
    Abstract: A leading edge structure (11) for a flow control system of an aircraft (1), including a leading edge panel (13) that surrounds a plenum (17), wherein the leading edge panel (13) has a first side portion (21), a second side portion (27), an inner surface (33) and an outer surface (37), wherein the leading edge panel (13) having micro pores (45) forming a fluid connection between the plenum (17) and the ambient flow (39), wherein a first air inlet/outlet device (49) is arranged in the first side portion (21) and a second air inlet outlet/device (51) is arranged in the second side portion (27), fluidly connected to the plenum (17), and wherein the first air inlet/outlet device (49) comprises a pivotable first door (55) and the second air inlet outlet/device (51) comprises a pivotable second door (61).
    Type: Application
    Filed: January 27, 2021
    Publication date: September 21, 2023
    Inventors: Ivano BERTOLINI, Martin OBERMAIER, Michael HÖFT, Frank NIELSEN, Sergej RAJKOWSKI, Jeff Wee Hong YAP
  • A LEADING EDGE STRUCTURE FOR A FLOW CONTROL SYSTEM OF AN AIRCRAFT
    Publication number: 20230294819
    Abstract: A leading edge structure (11) for a flow control system of an aircraft (1), including a leading edge panel (13) surrounding a plenum (17) and having a first side portion (21), a second side portion (27), an inner surface (33) facing the plenum (17) and an outer surface (37) in contact with an ambient flow (39), wherein the leading edge panel (13) includes micro pores (45), wherein a first port device (49) is arranged in the first side portion (21) fluidly connected to the plenum (17) via a duct (53) defined by a duct structure (105), and wherein the first port device (49) comprises a first door (55) pivotable by a first hinge (57) about a first hinge axis (59).
    Type: Application
    Filed: January 27, 2021
    Publication date: September 21, 2023
    Inventors: Frank NIELSEN, Martin OBERMAIER, Michael HÖFT, Ivano BERTOLINI, Jeff Wee Hong YAP, Sergej RAJKOWSKI