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US 12,179,919 B2Granted
Slat movement system for aircraft
AssigneeThe Boeing Company
InventorsEmily Georgia Rayner, Kevin Raylin Tsai, Ramón Augustin Burin, Bret Alan Bowers
Life of this patent
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Abstract
The illustrative examples provide a slat movement system for use in an aircraft. An aircraft comprises a wing having a fixed edge and a wing front spar, and a moveable slat connected to the wing by a four bar linkage and a slat arm, the slat arm movable along a track comprising a slot terminating prior to the wing front spar.
Claims22
An aircraft that comprises:
- a wing that comprises a fixed edge and a wing front spar;
- and
- a slat moveably connected to the wing by a linkage and a slat arm, the slat arm movably connected within a track that comprises a slot that terminates prior to the wing front spar, wherein the linkage comprises:
- a coupler connected to the slat;
- a rocker rotationally connected to the coupler and to a set of ribs;
- and
- a crank rotationally connected to the coupler and to the set of ribs, wherein the rocker is longer than the crank.
4 more elements
A slat movement system for a wing of an aircraft, wherein the slat movement system comprises:
- a linkage connected to a slat and to a set of ribs, wherein the linkage comprises:
- a coupler connected to the slat;
- a rocker rotationally connected to the coupler and to the set of ribs;
- and
- a crank rotationally connected to the coupler and to the set of ribs, wherein the rocker is longer than the crank;
- a track that comprises a slot contained between a fixed edge of the wing and a wing front spar in the wing;
- and
- a slat arm movably connected to the track by a roller within the slot.
5 more elements
A wing of an aircraft that comprises:
- a fixed edge;
- a frame of the wing comprising a number of ribs and a wing front spar;
- a slat movable relative to the fixed edge;
- a plurality of linkages connecting the slat to the frame of the wing, wherein each of the plurality of linkages comprises:
- a coupler connected to the slat;
- a rocker rotationally connected to the coupler and to a respective set of ribs of the frame of the wing;
- and
- a crank rotationally connected to the coupler and to the respective set of ribs, wherein the rocker is longer than the crank;
- and
- a plurality of slat arms connected to the slat, each of the plurality of slat arms attached by a roller to a respective track that comprises a shape that comprises curves, each track connected to the frame, each track terminating prior to the wing front spar.
7 more elements
Dependencies are inferred from the claim text.