An inflation system for an inflatable includes a readiness indicator module; a stretch sensor configured for mounting to the inflatable and to provide a real-time stretch data of an elastic deformation of the inflatable; and a controller configured to receive the real-time stretch data and to transmit a control signal to the readiness indicator module to indicate a deployed status of the inflatable.

An inflation system for an inflatable includes a readiness indicator module; a stretch sensor configured for mounting to the inflatable and to provide a real-time stretch data of an elastic deformation of the inflatable; and a controller configured to receive the real-time stretch data and to transmit a control signal to the readiness indicator module to indicate a deployed status of the inflatable.

A self-powered, wireless lighting system for an aircraft evacuation system. The lighting system includes a piezoelectric sensor configured to generate electrical energy under an aircraft evacuation event when the aircraft evacuation system is deployed, and a first light source disposed on the aircraft evacuation system, the first light source configured to provide illumination to the aircraft evacuation system. The piezoelectric sensor is operably connected to the first light source and configured to supply electrical energy to the light source based on vibrations in the evacuation system during deployment of the evacuation system and during use of the evacuation system as passengers evacuate the aircraft.

A self-powered, wireless lighting system for an aircraft evacuation system. The lighting system includes a piezoelectric sensor configured to generate electrical energy under an aircraft evacuation event when the aircraft evacuation system is deployed, and a first light source disposed on the aircraft evacuation system, the first light source configured to provide illumination to the aircraft evacuation system. The piezoelectric sensor is operably connected to the first light source and configured to supply electrical energy to the light source based on vibrations in the evacuation system during deployment of the evacuation system and during use of the evacuation system as passengers evacuate the aircraft.

Disclosed is a throttle including: an upstream and downstream flanges; a flexible sheath that extends therebetween; a plurality of sets of shape memory alloy wires, extending between the flanges, that are (i) circumferentially aligned about the flanges; and (ii) exterior to the flexible sheath; and (iii) configured to contact an outer boundary of the flexible sheath, wherein: a first set of the plurality of sets of shape memory alloy wires form a first profile when exposed to a first temperature, causing the flexible sheath to form the first profile having a first internal diameter; and a second set of the plurality of sets of shape memory alloy wires form a second profile when exposed to a second temperature that is lower than the first temperature, causing the flexible sheath to form the second profile having a second internal diameter that is smaller than the first internal diameter.

Disclosed is a throttle including: an upstream and downstream flanges; a flexible sheath that extends therebetween; a plurality of sets of shape memory alloy wires, extending between the flanges, that are (i) circumferentially aligned about the flanges; and (ii) exterior to the flexible sheath; and (iii) configured to contact an outer boundary of the flexible sheath, wherein: a first set of the plurality of sets of shape memory alloy wires form a first profile when exposed to a first temperature, causing the flexible sheath to form the first profile having a first internal diameter; and a second set of the plurality of sets of shape memory alloy wires form a second profile when exposed to a second temperature that is lower than the first temperature, causing the flexible sheath to form the second profile having a second internal diameter that is smaller than the first internal diameter.

An inflation control system for an inflatable may comprise a compressed fluid source, a valve module, a temperature sensor, and a controller. The valve module is connected to the compressed fluid source and configured to control a flow of gas to the inflatable. The temperature sensor measures an ambient temperature and outputs the ambient temperature measurement. The controller is operably coupled to the valve module and configured to receive the ambient temperature measurement and determine an open-valve time based on the ambient temperature measurement, the open-valve time being a duration of time the valve module is in an open position.

An inflation control system for an inflatable may comprise a compressed fluid source, a valve module, a temperature sensor, and a controller. The valve module is connected to the compressed fluid source and configured to control a flow of gas to the inflatable. The temperature sensor measures an ambient temperature and outputs the ambient temperature measurement. The controller is operably coupled to the valve module and configured to receive the ambient temperature measurement and determine an open-valve time based on the ambient temperature measurement, the open-valve time being a duration of time the valve module is in an open position.

An inflatable slide may comprise a ramp portion and a slide portion extending from the ramp portion. A multipurpose indicator tube may be fluidly coupled to the slide portion. A releasable restraint may be disposed between the multipurpose indicator tube and the slide portion. The releasable restraint may comprise a first restraint portion coupled to an end of the multipurpose indicator tube and a second restraint portion coupled to a toe end of the slide portion. The first restraint portion may be releasably coupled to the second restraint portion. A detachable restraint may be coupled to the slide portion and configured to detachably couple to the end of the multipurpose indicator tube.

An inflatable slide may comprise a ramp portion and a slide portion extending from the ramp portion. A multipurpose indicator tube may be fluidly coupled to the slide portion. A releasable restraint may be disposed between the multipurpose indicator tube and the slide portion. The releasable restraint may comprise a first restraint portion coupled to an end of the multipurpose indicator tube and a second restraint portion coupled to a toe end of the slide portion. The first restraint portion may be releasably coupled to the second restraint portion. A detachable restraint may be coupled to the slide portion and configured to detachably couple to the end of the multipurpose indicator tube.