Abstract: A divan for installation in an aircraft cabin in relation to an emergency exit. In embodiments, the divan includes at least two seats wherein one seat is positioned directly in front of the emergency exit and includes a lower frame assembly and an upper frame assembly. The upper frame assembly includes a seat pan subassembly configured to raise and lower relative to the lower frame assembly, and a backrest subassembly rotatably attached to the seat pan subassembly. In use, the backrest rotates to a position overlaying the seat pan subassembly and the seat pan subassembly lowers toward the floor to achieve a step-up height of not more than 20 inches to comply with the step-up height requirements for a Type-III emergency exit.

Abstract: A latching mechanism for an aircraft galley, the aircraft galley comprising a door and a frame, the latching mechanism comprising: a latch bolt movable between a retracted position and an extended position; and an actuator configured to maintain the latch bolt in the retracted position, the actuator configured to move the latch bolt to the extended position on closing the door in the frame, wherein the latch bolt is receivable by a latch striker to latch the aircraft galley door when the door is closed and the latch bolt is in the extended position.

Abstract: A trolley retainer for an aircraft galley, the aircraft galley comprising an aircraft galley structure and a trolley, the trolley retainer comprising: a retainer connector configured to connect the trolley retainer to the aircraft galley structure; a front portion configured to extend across a front of the trolley to retain the trolley in the aircraft galley when the trolley retainer is in a retaining position; and a side portion configured to extend from the retainer connector to the front portion across a side of the trolley when the trolley retainer is in the retaining position.

Abstract: A panel for use in the construction of a galley of an aircraft is disclosed. The panel comprises a frame, at least one insulation panel, and a cover panel. The frame comprises first and second opposing faces and one or more edge faces, and each edge face extends between the first and second faces. The cover panel has first and second opposing faces and each insulation panel has first and second opposing faces. One or more of the edge faces of the frame define a housing aperture and the frame is fixed to the cover panel with the first face of the frame adjacent to the second face of the cover panel.

Abstract: A panel for use in the construction of a galley of an aircraft is disclosed. The panel comprises a décor panel and at least one insulation panel. The décor panel has first and second opposing faces, and a housing aperture extends through the décor panel between the first and second faces. The housing aperture is of substantially the same configuration as the insulation panel or the insulation panels collectively when arranged side by side or when stacked. The housing aperture is configured to receive the at least one insulation panel, and the or each insulation panel is located in the housing aperture.

Abstract: A redundant rail and carriage assembly is disclosed. The assembly may include a primary sub-assembly including a primary rail and a primary carriage. The assembly may include a secondary sub-assembly including a secondary rail and a secondary carriage, the secondary rail being different than the primary rail, the secondary carriage being different than the secondary carriage. The assembly may be configured to couple to an actuatable door configured to actuate between a stowed door position and a deployed door position via at least one intermediate door position using one of the primary sub-assembly or the secondary sub-assembly, the secondary sub-assembly being configured to actuate the actuatable door via the secondary rail and the secondary carriage if one of the primary rail or the primary carriage of the primary sub-assembly fails.

Abstract: A system for contactless operation of an aircraft lavatory door comprises a controller operatively connected to control an actuator for opening and closing a lavatory door. A gesture sensing system is operatively connected to the controller for sending gesture data to the controller indicative of a user gesturing for the actuator to actuate. A mmWave radar sensing system is operatively connected to the controller to indicate user presence. The controller includes machine readable instructions configured to verify gesture input from the gesture sensing system using input from the mmWave radar sensing system before controlling the actuator to open or close the lavatory door.

Abstract: A system comprises an environmental control system (ECS) having a plurality of ducts configured to convey a flow of air into an interior space through the plurality of ducts. A plurality of valves are disposed in the plurality of ducts to control the flow of air through a respective duct into the interior space. A plurality of sensors are disposed in the interior space configured to sense a passenger condition.

Abstract: A time-of-flight controlled touchless device is disclosed. The time-of-flight controlled touchless device includes a time-of-flight sensor and a microcontroller in operable communication with the time-of-flight sensor. The microcontroller is configured to command the time-of-flight sensor to emit a photon in a predefined direction, command the time-of-flight sensor to receive the photon reflected off a surface, determine a target object's distance based on a time-of-flight between emitting the photon and receiving the photon, compare the target object's distance to a predefined range, and, responsive to the target object's distance being within the predefined range, command an actuator on a dispensing valve to activate to dispense a liquid.

Abstract: A fan structure for the interior of an aircraft. The fan structure includes: a structure of an aircraft interior defining an aperture, a spindle configured to be rotatably driven about its axis by a motor, a central hub mounted on the spindle and a plurality of blades extending outwardly from the central hub. The base of each of the plurality of blades is connected to the central hub and the tip of each of the plurality of blades is connected to an adjacent blade or the central hub, such that each of the plurality of blades forms a closed surface with an adjacent blade or the central hub. The plurality of blades are located in the aperture of the structure of an aircraft interior. The fan structure is configured to move a gas from a first side of the aperture to a second side of the aperture.

Abstract: A system for cooling an aircraft galley trolley. The system includes a trolley cooling compartment for stowing an aircraft galley trolley; and a heat exchanger to provide cold air to the trolley cooling compartment. The trolley cooling compartment defines an inlet proximal to the base of the trolley cooling compartment for receiving the cold air. The trolley cooling compartment cools the aircraft galley trolley through the transfer of heat to the cold air. The transfer of heat to the cold air heats the cold air to produce warmer air.

Abstract: A method may comprise: commanding, by a processor, a lighting system to generate a first desired effect in accordance with a first spectral weighting mode; determining, by the processor, a first optimized predetermined variable within a first predetermined domain to generate the desired effect based on the first spectral weighting mode; commanding, by the processor, the lighting system to transition from the first desired effect to a second desired effect, the second desired effect in accordance with a second spectral weighting mode; and determining by the processor, a second optimized predetermined variable within a second predetermined domain to generate the second desired effect based on the second spectral weighting mode, the first optimized predetermined variable being different from the second optimized predetermined variable.

Abstract: An initiator for opening a pressurized gas cylinder is disclosed herein. The initiator includes a housing having a first end and a second end, a lance disposed within the housing, the lance configured to slide from the first end of the housing to the second end of the housing and out through the second end of the housing, a spring disposed within the housing between the first end of the housing and the lance, and a wire coupled to the first end of the housing and to the lance, the wire configured to hold the spring in a compressed state, the wire further configured to break in response to an electric current.

Abstract: A galley for an aircraft is described comprising a first section, the first section having an upper surface, and wherein the upper surface is configured to be extendable along a first axis and in a first direction to form a bed. The first section may comprise a first hollow compartment, the first compartment comprising a U-shaped compartment frame that has two opposing, vertically extending side portions and an upper, top portion that extends horizontally between the first and second vertical side portions. A sleeping module may be provided within the first hollow compartment and may comprise a stowable bedframe stored within the first hollow compartment. The stowable bedframe may be configured to be pulled out from the cavity of the first compartment to form a bed.

Abstract: A rotatable armrest includes a shaft to allow the arm pad to rotate and a locking mechanism defining a set of stopping positions. The profile of the arm pad is defined to clearly delineate portions of the expanded arm pad for each passenger. The rotatable armrest may also include a cam driven divider that extends from the arm pad as the arm pad is rotated to further define delineate portions of the expanded arm pad for each passenger.

Abstract: A vertical seat blocking/divider device includes a seat back connector and a seat cushion connector. The vertical seat blocking/divider device is disposed on the center of an aircraft seat to block occupancy of the aircraft seat and establish a barrier between neighboring seats. In a further aspect, the vertical seat blocking/divider device includes a spring element to apply a force to the fabric of the seat blocking/divider device. In a further aspect, the vertical seat blocking/divider device may include armrest connectors on opposing surfaces so that the vertical seat blocking/divider device can be disposed between occupied seats to create a barrier between passengers.

Abstract: A hand drying system for an aircraft lavatory includes a hand blower tap with an inlet configured to connect to an aircraft environmental control system (ECS) to receive a flow of conditioned air from the ECS. A valve is operatively connected to the inlet to selectively block flow from the ECS and allow flow from the ECS through the hand blower tap.

Abstract: A system comprises an overhead bin including a door configured to open and close an opening of the overhead bin for access to and securing of an interior space of the overhead bin. A latch mechanism operatively connects the opening of the overhead bin to the door of the overhead bin to secure the door to the opening in a closed position, and to release the door from the opening for access to the interior space. A touchless input sensor can be operatively connected to the latch mechanism and a controller can be operatively connected to the latch mechanism and the touchless input sensor.

Abstract: An expandable lavatory and an aircraft cabin configuration including the same. First, second and third walls form the lavatory interior and the third wall is repositionable to expand the lavatory interior footprint to accommodate a wheelchair. The third wall carries a door deployable when the third wall is in the expanded configuration such that the wheelchair can access the lavatory interior via an exit pathway. A first door positioned in the second wall provides access to the lavatory interior via a longitudinal aisle. In some embodiments, a wheelchair securement area is positioned longitudinally aligned with the second door, when the second door is deployed, such that wheelchair access to the lavatory is provided through second door when the lavatory is in the expanded configuration.

Abstract: A system for an aircraft application using channel state information (CSI) is disclosed. The system includes a CSI generation device, a controllable device, and a controller. The controller is configured to receive CSI data from the CSI generation device, identify one or more classification states from the CSI data associated with one or more of a human presence, a posture, or a gesture, identify an operation to be executed based on the classification state, and, responsive to identifying the operation, send a first command to the controllable device to perform the operation.