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Shell tile thermal protection system

  • US 4,456,208 A
  • Filed: 10/20/1982
  • Issued: 06/26/1984
  • Est. Priority Date: 10/20/1982
  • Status: Expired due to Fees
First Claim
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1. A shell tile adapted for use as a component part of a reusable, externally applied thermal protection system on the skin of aerospace vehicles and the like comprising:

  • upper and lower metallic shells for assuming structural loads,each of said upper and said lower shell having a base and side portions,said metallic shells being constructed from materials able to withstand temperatures of up to approximately 2300°

    F., said upper shell base being exposed directly to the high temperature environment during vehicle flight;

    at least one dimpled, lightweight metallic sheet being attached interiorly within said upper shell adjacent the base thereof, thereby adding stiffness and strength to said upper shell;

    each of said upper and said lower shell having a base and side portions,said lower shell base being attached to the vehicle skin and said upper shell being disposed opposite and joined at the side portion thereof to said lower shell, defining an interior cavity therebetween;

    insulating means interposed in said interior cavity; and

    said insulation means including at least one layer of lightweight high temperature insulation inserted into said upper shell and at least one layer of lightweight intermediate temperature insulation inserted into said lower shell.

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