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US 5,979,828 AGranted
Apparatus for eliminating gaps in an aircraft
AssigneeMcDonnell Douglas Corporation
InventorsCynthia Ann Gruensfelder, Micael Watson Geiger, Jack Howard Jacobs, Robert Henry Wille
Life of this patent
Estimating the term…
Abstract
An apparatus (30) for eliminating gaps (20) in a door of an airplane has an elastaueric bladder (32) bonding along an edge (24) of a door gap (20). The elastomeric bladder (32) includes a port providing for access to an interior cavity (34). A pneumatic actuator is coupled to the port.
Claims11
An apparatus for eliminating gaps in a door of an airplane comprising:
- an elastomeric bladder bonding along an edge of a door gap;
- a metal coated woven cloth covering the elastomneric bladder;
- a port providing access to an interior cavity of the elastomeric bladder;
- a pneumatic actuator coupled to the port;
- and
- a plurality of shape memory alloy ribs in the elastomeric bladder.
3 more elements
An apparatus for sealing a door gap on an aircraft, comprising:
- an elastomeric bladder;
- a base inside the elastomeric bladder;
- a rigid member inside the elastomeric bladder, the rigid member having a slat;
- and
- a shape memory alloy spring attached to the base and sliding along the slat of the rigid member.
2 more elements
An apparatus for closing a gap in an airplane, comprising:
- a hollow elastomeric strip connect to an edge of the gap;
- an elastic environmental coating covering an exterior surface of the hollow elastomeric strip;
- and
- a plurality of shape memory alloy ribs extending along the length and inside of the hollow elastomeric strip.
1 more element
An apparatus for eliminating gaps, comprising:
- a structural block;
- an elastomer panel attach to an edge of the structural block;
- a plurality of reinforcing members attached to the structural block and extending through the elastomer panel;
- a plurality of shape memory alloy ribs connected to the structural block;
- and
- a second structural block attached to the elastomer panel and attached to the plurality of shape memory alloy ribs.
3 more elements
Dependencies are inferred from the claim text.