20240035386. TURBINE BLADE SQUEALER TIP WALL WITH CHAMFERED SURFACE simplified abstract (Siemens Energy Global GmbH & Co. KG)

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TURBINE BLADE SQUEALER TIP WALL WITH CHAMFERED SURFACE

Organization Name

Siemens Energy Global GmbH & Co. KG

Inventor(s)

Nan Jiang of Charlotte NC (US)

Shantanu P. Mhetras of Charlotte NC (US)

Stephen Williamson of McAdenville NC (US)

John Harrington of Orlando FL (US)

TURBINE BLADE SQUEALER TIP WALL WITH CHAMFERED SURFACE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240035386 titled 'TURBINE BLADE SQUEALER TIP WALL WITH CHAMFERED SURFACE

Simplified Explanation

The abstract describes a turbine blade design that includes a blade platform and a blade airfoil extending towards the blade tip. The blade airfoil has a pressure side wall and a suction side wall joined at a leading edge and a trailing edge. A tip cap surface is defined at the end of the blade airfoil facing the blade tip. A squealer tip wall extends along a portion of the pressure side wall and suction side wall from the tip cap surface to the blade tip and from the leading edge towards the trailing edge. A chamfered surface is formed as part of the squealer tip wall adjacent to the blade trailing edge.

  • The turbine blade design includes a blade platform and a blade airfoil.
  • The blade airfoil has a pressure side wall and a suction side wall joined at a leading edge and a trailing edge.
  • A tip cap surface is defined at the end of the blade airfoil facing the blade tip.
  • A squealer tip wall extends along a portion of the pressure side wall and suction side wall from the tip cap surface to the blade tip.
  • The squealer tip wall also extends from the leading edge towards the trailing edge.
  • A chamfered surface is formed as part of the squealer tip wall adjacent to the blade trailing edge.

Potential applications of this technology:

  • Gas turbine engines
  • Wind turbines
  • Steam turbines

Problems solved by this technology:

  • Improved aerodynamic performance
  • Reduced leakage of fluid through the blade tip
  • Enhanced efficiency of turbine blades

Benefits of this technology:

  • Increased power output
  • Improved fuel efficiency
  • Extended lifespan of turbine blades
  • Reduced maintenance and downtime


Original Abstract Submitted

a turbine blade includes a blade platform, a blade airfoil that extends from the blade platform toward a blade tip, the blade airfoil having a pressure side wall and a suction side wall joined at a blade leading edge and a blade trailing edge, a tip cap surface defined at an end of the blade airfoil facing the blade tip, a squealer tip wall that extends along a portion of the pressure side wall and a portion of the suction side wall from the tip cap surface to the blade tip and from the blade leading edge toward the blade trailing edge, and a chamfered surface formed as a part of the squealer tip wall at a region that is adjacent to the blade trailing edge.

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