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US 7,100,358 B2Granted
Turbine exhaust case and method of making
AssigneePratt & Whitney Canada Corp.
InventorsEugene Gekht, Mike Fontaine, Martin Jutras
Life of this patent
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Abstract
A structural turbine exhaust case of a gas turbine engine, comprises inner and outer case portions; a bearing housing connected to the inner case portion for supporting a main spool of the gas turbine engine; and a plurality of airfoils extending between the inner and outer case portions, airfoils structurally connecting the inner case portion to the outer case portion.
Claims7
A turbine exhaust case of a gas turbine engine, comprising:
- inner and outer case portions defining an annual gas path therebetween, the inner case portion including a bearing housing portion adapted to support a main spool bearing of the gas turbine engine, the outer case including a connection apparatus for supportably connecting the turbine exhaust case to the gas turbine engine;
- and
- a plurality of sheet metal airfoils extending between the inner and outer case portions, the sheet metal airfoils structurally connecting the inner case portion to the outer case portion and supporting inner case relative to outer case.
A turbine exhaust case of a gas turbine engine, comprising:
- inner and outer case portions;
- a bearing housing connected to and supported by the inner case portion for supporting a main spool of the gas turbine engine;
- a plurality of airfoils extending between the inner and outer case portions, the airfoils structurally connecting and supporting the inner case portion to the outer case portion;
- and
- wherein the inner case portions are sheet metal.
2 more elements
Dependencies are inferred from the claim text.