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Hot gas component of a turbomachine including an embedded channel

  • US 8,210,815 B2
  • Filed: 12/02/2009
  • Issued: 07/03/2012
  • Est. Priority Date: 12/24/2004
  • Status: Expired due to Fees
First Claim
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1. A hot gas component of a turbomachine, the component comprising:

  • a monocrystalline basic body including an outer wall;

    a component outer surface;

    at least one passage embedded in the outer wall and extending parallel to the component outer surface, which at least one passage is configured and arranged to conduct a cooling medium;

    at least one coating on the outer wall of the basic body, the at least one passage formed by a cavity in the basic body closed off towards the outer surface by the at least one coating; and

    wherein the at least one coating is formed of a material having a monocrystalline structure which is epitaxially connected to the monocrystalline basic body.

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