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US 10,370,111 B2Granted
Hidden thrust reverser blocker door link arm fitting
AssigneeUnited Technologies Corporation
InventorsNigel David Sawyers-Abbott, Matthew Exner
Life of this patent
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Abstract
A linkage system for a nacelle may comprise a pivot configured to extend through a second aperture disposed in a link arm, a base member, and a retaining member at least partially defining a first aperture and a cavity. The pivot is configured to extend at least partially into the first aperture. The cavity is configured to accommodate a portion of the link arm.
Claims20
A linkage system for a nacelle comprising:
- a pivot configured to extend through a second aperture disposed in a link arm;
- a base member;
- and
- a retaining member at least partially defining a first aperture and a cavity,
- wherein the pivot is configured to extend at least partially into the first aperture,
- wherein the cavity is configured to accommodate a portion of the link arm, and
- wherein the retaining member defines a first portion of the first aperture and the base member defines a second portion of the first aperture.
4 more elements
A nacelle for a gas turbine engine comprising:
- an inner fixed structure (IFS) comprising a proximal layer and a distal layer;
- a link arm having a first end and a second end, wherein a second aperture is disposed in the link arm at the first end, the link arm configured to rotate about the second aperture;
- and
- a fitting arrangement for the link arm comprising:
- a pivot extending through the second aperture;
- a base member attached to the proximal layer;
- and
- a retaining member at least partially defining a first aperture and a cavity,
- wherein the pivot is located at least partially within the first aperture, at least a portion of the pivot extends through the second aperture of the link arm,
- wherein the first end of the link arm is located at least partially within the cavity,
- wherein the retaining member is substantially flush with the distal layer, and
- wherein the retaining member defines a first portion of the first aperture and the base member defines a second portion of the first aperture.
9 more elements
A method of installing a linkage system to a nacelle comprising:
- attaching a base member to an inner fixed structure (IFS);
- placing a pivot at least partially into a second aperture disposed in a link arm;
- placing the pivot at least partially into a first aperture disposed in a fitting arrangement;
- positioning the second aperture and the first aperture in concentric alignment;
- and
- attaching a retaining member to the base member, the retaining member defining a first portion of the first aperture and defining at least a portion of a cavity, the base member defining a second portion of the first aperture, and at least a portion of the link arm being located within the cavity.
3 more elements
Dependencies are inferred from the claim text.