Abstract: A slide for an evacuation system may comprise an inflatable slide rail structure. An aspirator may be fluidly coupled to the inflatable slide rail structure. An aspirator retention strap may be coupled between the aspirator and the inflatable slide rail structure. The aspirator retention strap may comprise an elastic material. The aspirator retention strap may be configured to stretch when a predetermined internal pressure threshold of the inflatable slide rail structure is exceeded.

Abstract: A secondary release arrangement for a releasable restraint may comprise a flexible member in operable communication with a strap attached to the releasable restraint configured to release the strap from the releasable restraint in response to a tensile force in the flexible member exceeding a selected threshold. In various embodiments, the secondary release arrangement may be configured to allow deployment of an evacuation system in the event of the releasable restraint failing to release.

Abstract: An aspirator includes an aspirator body having at least one flapper door designed to allow intake of a gas from an environment of the aspirator. The aspirator also includes an aspirator barrel having an end tip, a compressible spring, and a fabric positioned about the compressible spring, and designed to extend in response to receiving the gas and to transfer the gas from the aspirator body to the inflatable flotation device. The aspirator also includes a gas valve designed to receive a fluid from a compressed fluid source. The aspirator also includes a nozzle positioned within the aspirator body, coupled to the gas valve, and designed to receive the fluid via the gas valve and to direct at least a portion of the fluid towards the aspirator barrel such that the at least one flapper door allows the gas to flow from the environment into the aspirator barrel.

Abstract: A venting valve may comprise a valve core sleeve, a valve core piston extending through the valve core sleeve, a spring member coupled between the valve core sleeve and the valve core piston, and a gasket coupled to the valve core piston, wherein the spring member biases the venting valve towards an open position. A compressed fluid may act against the bias of the spring member to move the venting valve to a closed position during an inflation event.

Abstract: An aspirator may comprise an aspirator body defining an air channel, an aspirator inlet disposed in the aspirator body whereby the air channel receives a compressed fluid, a venting aperture disposed in the aspirator body in fluid communication with the air channel, and a venting valve disposed in the venting aperture. The venting valve is in an open position and the venting valve moves to a closed position in response to the compressed fluid being received by the aspirator.

Abstract: An aspirator may comprise an aspirator body defining an air channel and an inlet. A flow straightener may be disposed at the inlet. The flow straightener may be configured to produce a laminar flow through the air channel. An aspirator barrel may be coupled to the aspirator body and may define an outlet. A static airfoil assembly may be disposed at the outlet. The static airfoil assembly may be configured to produce a vortex flow exiting the aspirator barrel.

Abstract: A sea anchor includes a textile tube and a resiliently flexible support. The textile tube may include a first end and a second end. The first end may have a rim defining a mouth and the second end may be closed. In various embodiments, the resiliently flexible support is coupled to the first end of the textile tube. The resiliently flexible support, in response to the sea anchor being deployed, may be configured to expand the mouth and retain the mouth open. In various embodiments, the textile tube has a conical shape, with the mouth of the first end being a base of the conical shape and the second end being a point of the conical shape. The resiliently flexible support is a ring coupled to the rim of the first end of the textile tube, according to various embodiments.

Abstract: A restraint arrangement for an inflatable slide may comprise a releasable restraint and a yoke coupled to the releasable restraint. The yoke may comprise a first strap and a second strap. A first dampener may be coupled to the first strap. A second dampener may be coupled to the second strap. The first dampener and the second dampener may deform in response to a tensile load.

Abstract: An inflatable evacuation slide is disclosed. The inflatable evacuation slide includes an inflatable tube having a first end and a second end spaced from the first end and an anti-kiting device disposed proximate the second end of the inflatable tube, wherein the anti-kiting device may include a suction surface panel having a first side portion attached to an outer surface of the inflatable tube and a second side portion attached to the outer surface of the inflatable tube.

Abstract: Systems and methods are disclosed herein for an inflation pouch. The inflation pouch may include a border on a first end and a nozzle on a second end, wherein the border defines an interior volume of the inflation pouch, and the interior volume is in fluid communication with the nozzle. The border further comprises a zipping fastener or a hook and loop fastener. The nozzle may couple with an inflation valve of an inflatable structure. The interior volume of the inflation pouch is in fluid communication with an interior volume of the inflatable structure.

Abstract: An evacuation slide assembly for an aircraft may comprise a main body configured to extend from a sill of the aircraft toward a surface within a range of angles relative to vertical when deployed so as to allow persons to safely slide down the main body to the surface. The main body may include a head end configured to attached to the sill of the aircraft, and a toe end opposite the head end. A first extendable portion may be coupled to the head end of the main body and may be in operable communication with a height sensor. The first extendable portion may be configured to deploy to adjust for a variation in a positional relationship between the surface and the sill to maintain the main body within the range of angles.

Abstract: A sea anchor includes a textile tube and a resiliently flexible support. The textile tube may include a first end and a second end. The first end may have a rim defining a mouth and the second end may be closed. In various embodiments, the resiliently flexible support is coupled to the first end of the textile tube. The resiliently flexible support, in response to the sea anchor being deployed, may be configured to expand the mouth and retain the mouth open. In various embodiments, the textile tube has a conical shape, with the mouth of the first end being a base of the conical shape and the second end being a point of the conical shape. The resiliently flexible support is a ring coupled to the rim of the first end of the textile tube, according to various embodiments.

Abstract: The present disclosure provides a self-orienting raft system. The self-orienting raft system may comprise a base comprising a first side and a second side opposite the first side, a first tube wall coupled to the first side of the base, a charged cylinder coupled to a second side of the base, and an anchor coupled to a second side of the base. The charged cylinder and the anchor may be coupled to the second side of the base proximate to a geometric center of the base when the self-orienting raft system is in an inflated configuration.

Abstract: A restraint may include a longitudinal body having a first end and a second end. The restraint may also include a plurality of engagement features distributed between the first end and the second end. A dimension of at least one of the longitudinal body and the plurality of engagement features may vary along at least a portion of a length of the longitudinal body. The restraint may further include a head disposed at the first end of the longitudinal body. The head may define an aperture and may include a pawl that configured to individually engage the plurality of engagement features. The dimension may vary incrementally or continuously along at least the portion of the length of the longitudinal body from the first end to the second end.

Abstract: A releasable restraint for an evacuation system may comprise a first female fastener, a second female fastener, and a center member coupled between the first female fastener and the second female fastener, wherein the center member is configured to separate in response to a predetermined tensile force. The releasable restraint may further comprise a first tape extending from the first female fastener and a second tape extending from the second female fastener.

Abstract: A releasable restraint for an inflatable slide is disclosed, in accordance with various embodiments. The releasable restraint may comprise a first mating portion having a receptacle. The releasable restraint may comprise a second mating portion having a protrusion. The protrusion may be configured to fit within the receptacle. An adjustment fastener may be coupled to the receptacle and configured to adjust a coupling strength of the releasable restraint.

Abstract: A life raft may include a base having a first side and a second side. The life raft may also include a first canopy coupled to the first side of the base and configured to extend across the first side of the base to form a first chamber defined between the first side of the base and the first canopy. The life raft may further include a second canopy coupled to the second side of the base and configured to extend across the second side of the base to form a second chamber defined between the second side of the base and the second canopy. At least one of the first canopy and the second canopy may define a first plurality of fill ports. The at least one of the first canopy and the second canopy is a bottom canopy configured to extend below the life raft.

Abstract: A softcover for an evacuation system may comprise a fabric panel. The fabric panel may define a plurality of apertures located proximate a first end of the first fabric panel. A plurality of straps may extend from a second end of the fabric panel. The straps may be configured to secure the fabric panel to a housing configured to receive an inflatable slide.

Abstract: A restraint may include a longitudinal body having a first end and a second end. The restraint may also include a plurality of engagement features distributed between the first end and the second end. A dimension of at least one of the longitudinal body and the plurality of engagement features may vary along at least a portion of a length of the longitudinal body. The restraint may further include a head disposed at the first end of the longitudinal body. The head may define an aperture and may include a pawl that configured to individually engage the plurality of engagement features. The dimension may vary incrementally or continuously along at least the portion of the length of the longitudinal body from the first end to the second end.

Abstract: An inflatable flotation device includes a main body having a distal end and a proximal end configured to be positioned nearer to the aircraft than the distal end, the main body configured to inflate to provide an evacuation route. The inflatable flotation device further includes an extendable portion coupled to the proximal end of the main body and having a plurality of segments coupled together. The inflatable flotation device further includes a weighted object coupled to the extendable portion and configured to cause the extendable portion to extend in response to a distance from the proximal end of the main body being equal to or greater than a threshold distance.