20240018883. NACELLE INLET ASSEMBLY WITH COMPOSITE LIPSKIN simplified abstract (The Boeing Company)

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NACELLE INLET ASSEMBLY WITH COMPOSITE LIPSKIN

Organization Name

The Boeing Company

Inventor(s)

Charles William Rust of Seattle WA (US)

John Alfred Weidler, Iii of Lynnwood WA (US)

John Henry Moselage, Iii of Seattle WA (US)

Timothy James Wheeler of London (GB)

NACELLE INLET ASSEMBLY WITH COMPOSITE LIPSKIN - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240018883 titled 'NACELLE INLET ASSEMBLY WITH COMPOSITE LIPSKIN

Simplified Explanation

The abstract describes an inlet assembly for a nacelle, which includes an inlet cowl. The inlet cowl has a lipskin that forms the leading edge of the inlet cowl. The front section of the lipskin is made of a composite panel with a metallic coating on its exterior surface to protect it from damage. The lipskin also has perforations that go through the composite panel and the metallic coating, allowing liquid to flow through and onto the exterior surface of the inlet cowl.

  • The invention is an inlet assembly for a nacelle, specifically the inlet cowl.
  • The inlet cowl has a lipskin that forms the leading edge of the inlet cowl.
  • The front section of the lipskin is made of a composite panel.
  • The composite panel is protected from damage by a metallic coating on its exterior surface.
  • The lipskin has perforations that allow liquid to flow through and onto the exterior surface of the inlet cowl.

Potential applications of this technology:

  • Aerospace industry: The inlet assembly can be used in aircraft nacelles to improve aerodynamic performance and protect the composite panel from damage caused by external elements.
  • Gas turbines: The technology can be applied to gas turbine engines to enhance their efficiency and durability.

Problems solved by this technology:

  • Damage protection: The metallic coating on the composite panel helps protect it from damage caused by external factors such as impact or erosion.
  • Liquid conveyance: The perforations in the lipskin allow liquid to flow through and onto the exterior surface of the inlet cowl, facilitating cooling or other fluid-related processes.

Benefits of this technology:

  • Improved durability: The metallic coating provides an additional layer of protection to the composite panel, increasing its lifespan and reducing maintenance requirements.
  • Enhanced performance: The design of the lipskin and perforations allows for efficient liquid conveyance, which can improve cooling or other fluid-related processes in the inlet assembly.
  • Cost-effective: The use of composite materials and the protective metallic coating can offer a cost-effective solution compared to traditional materials or methods.


Original Abstract Submitted

an inlet assembly of a nacelle includes an inlet cowl. the inlet cowl includes a lipskin that has a front section which defines the leading edge of the inlet cowl. the front section includes a composite panel and a metallic coating disposed along an exterior surface of the composite panel to protect the composite panel from damage. the lipskin defines perforations that penetrate through the composite panel and the metallic coating at the front section to convey a liquid through a thickness of the lipskin onto an exterior surface of the inlet cowl.

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