Abstract: The inflatable component includes, according to various embodiments, a first inflatable bladder defining a first fluid chamber and a second inflatable bladder defining a second fluid chamber. The second inflatable bladder may circumscribe the first inflatable bladder such that the first inflatable bladder is disposed in the second fluid chamber. The inflatable component also includes, according to various embodiments, an inlet valve coupled to the first inflatable bladder and the second inflatable bladder, wherein the inlet valve is configured to deliver fluid to the first fluid chamber. In various embodiments, the inflatable component also includes a pressure relief valve coupled to the first inflatable bladder, wherein fluid communication between the first fluid chamber and the second fluid chamber is via the pressure relief valve.

Abstract: Disclosed is an emergency slide system comprising a slide having a telescoping structural support, and a slide surface. The emergency slide system further comprises a gas deployment device comprising a gas generator, compressed gas cylinder, or both. The gas deployment device may further include an aspirator, according to various embodiments. The telescoping structural support provides a more compact and quickly deployable system.

Abstract: A light assembly for an aircraft evacuation system may comprise a first casing including a weighted portion. A light source may be disposed within the first casing. A second casing may be coupled to the first casing by a bearing. The first casing may be configured to rotate with respect to the second casing about an axis. A center of mass of the first casing may be offset from the axis.

Abstract: An inflatable evacuation device for an aircraft may include at least one chamber and at least one canopy support in fluid communication with the at least one chamber. A retention device may be configured to restrict inflation of the at least one canopy support during inflation of the at least one chamber.

Abstract: An evacuation system is provided. The system may comprise a door sill, a girt coupled to the door sill, a slide coupled to the girt, and a measurement device coupled the girt and/or the slide. The measurement device may further comprise a line having a predetermined length and a weight coupled to the line, and the measurement device may be configured to adjust a length of the slide in response to a position of the weight. A method is also provided. The method includes opening a door to expose a door sill, inflating the emergency slide with the emergency slide coupled to the door sill, and deploying a measurement device configured to measure a height of the door sill from a surface. The measurement device may comprise a line coupled to the door sill and a buoyant weight coupled to the line, and wherein the line has a predetermined length.

Abstract: An evacuation system is provided. The system may comprise a girt coupled to a door sill and an evacuation slide. The evacuation slide may comprise a head end coupled to the girt, an extension, a hinge portion coupled between the head end and the extension, and a lane diverter coupled to the evacuation slide. A method is also provided. The method may include opening a door to expose a door sill, inflating the evacuation slide with the evacuation slide coupled to the door sill, bending a hinge portion of the slide in response to a door sill height being less than or equal to a predetermined height, and redirecting a slide lane to a side exit.

Abstract: A retention unit for securing a charged gas cylinder to a body of an aircraft includes a container having an opening and configured to cover the charged gas cylinder. The retention unit also includes a plurality of flaps coupled to the container and configured to be attached to the body of the aircraft using a contact adhesive. The retention unit also includes a drawstring disposed around the opening of the container and configured to provide a closure of the container around a neck of the charged gas cylinder inside the container.

Abstract: An aspirator system for inflating an inflatable evacuation device includes an aspirator body having a plurality of flapper doors configured to open to allow intake of atmospheric gas. The aspirator system also includes an aspirator barrel connecting the aspirator body to the inflatable evacuation device, having connected inflation chambers wrapping around a circumference of the aspirator barrel and arranged along a length of the aspirator barrel, and being configured to provide an aspirator barrel chamber for guiding the atmospheric gas to the inflatable evacuation device when the aspirator barrel is inflated. The aspirator system also includes a showerhead nozzle connected to the connected inflation chambers, configured to direct high-pressure gas to inflate the aspirator barrel and compel intake of atmospheric gas through the plurality of flapper doors, to inflate the inflatable evacuation device.

Abstract: A retention unit for securing a charged gas cylinder to a body of an aircraft includes a container having an opening and configured to cover the charged gas cylinder. The retention unit also includes a plurality of flaps coupled to the container and configured to be attached to the body of the aircraft using a contact adhesive. The retention unit also includes a drawstring disposed around the opening of the container and configured to provide a closure of the container around a neck of the charged gas cylinder inside the container.

Abstract: According to various embodiments, disclosed is a beam structure comprising a four-point cross section for an inflatable article comprising an inflatable slide. The beam structure has greater beam strength and provides greater structural support than an inflatable beam having a traditional circular cross section.

Abstract: An evacuation system is provided. The system may comprise a girt coupled to a door sill and an evacuation slide. The evacuation slide may comprise a head end coupled to the girt, an extension, a hinge portion coupled between the head end and the extension, and a lane diverter coupled to the evacuation slide. A method is also provided. The method may include opening a door to expose a door sill, inflating the evacuation slide with the evacuation slide coupled to the door sill, bending a hinge portion of the slide in response to a door sill height being less than or equal to a predetermined height, and redirecting a slide lane to a side exit.

Abstract: An evacuation system is provided. The system may comprise a door sill, a girt coupled to the door sill, a slide coupled to the girt, and a measurement device coupled the girt and/or the slide. The measurement device may further comprise a line having a predetermined length and a weight coupled to the line, and the measurement device may be configured to adjust a length of the slide in response to a position of the weight. A method is also provided. The method includes opening a door to expose a door sill, inflating the emergency slide with the emergency slide coupled to the door sill, and deploying a measurement device configured to measure a height of the door sill from a surface. The measurement device may comprise a line coupled to the door sill and a buoyant weight coupled to the line, and wherein the line has a predetermined length.

Abstract: An inflatable evacuation slide is provided. The slide may comprise a slide surface with a tubular member coupled to the slide surface. The tubular member may comprise a translucent material defining a chamber internal to the tubular member. A light source may be directed into the chamber and configured to illuminate the tubular member from within the chamber.

Abstract: Disclosed is an emergency slide system comprising a slide having a telescoping structural support, and a slide surface. The emergency slide system further comprises a gas deployment device comprising a gas generator, compressed gas cylinder, or both. The gas deployment device may further include an aspirator, according to various embodiments. The telescoping structural support provides a more compact and quickly deployable system.