ONE PIECE INLET LIP SKIN DESIGN
First Claim
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1. An aircraft engine inlet comprising:
- a lip skin havinga skin web;
a plurality of stiffeners integrally extending from the skin web;
an aft edge land integrally extending from the skin web at an outer rim;
an inner edge land integrally extending from the skin web at an inner rim; and
,a central land integrally extending from the skin web, said plurality of stiffeners extending between said aft edge land and said central land.
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Abstract
An aircraft engine inlet incorporates a lip skin having a skin web with a plurality of stiffeners integrally extending from the skin web. An aft edge land integrally extends from the skin web at an outer rim and an inner edge land integrally extends from the skin web at an inner rim. A central land integrally extends from the skin web with the plurality of stiffeners extending between said aft edge land and the central land.
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Citations
20 Claims
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1. An aircraft engine inlet comprising:
a lip skin having a skin web; a plurality of stiffeners integrally extending from the skin web; an aft edge land integrally extending from the skin web at an outer rim; an inner edge land integrally extending from the skin web at an inner rim; and
,a central land integrally extending from the skin web, said plurality of stiffeners extending between said aft edge land and said central land. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for fabricating an engine inlet comprising:
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forming a lip skin by spin forming with a thickness at least as thick as a thickest land or stiffener; determining a pattern of lands and stiffeners to meet structural requirements for aerodynamic, sonic and step loads; forming a plurality of lands and stiffeners integrally in the lip skin pursuant to the determined pattern. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification