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 cover for a rod end of an actuator comprises a mounting collar for surrounding and mounting to a portion of the rod end. The collar is deformable such that it may be mounted over a rod eye mounted to the rod end. The cover further comprises a shield extending from the collar and shaped such that when attached to the rod end the shield shields a portion of rod end to prevent fluid or foreign object ingress to the rod end.

Abstract: A method includes conveying baggage through a baggage claim system, receiving a code from a first passenger in a queue, and scanning codes on the baggage in the baggage claim system for a baggage item that matches with the code received from the first passenger. The method includes detecting the bagging item that matches with the code received from the first passenger and diverting the baggage item from the baggage conveyed through the baggage claim system for retrieval by the first passenger. This can be performed without the first passenger touching any of the baggage in the baggage claim system other than the baggage item that matches with the code received from the passenger, and without any other passengers touching the baggage item.

Abstract: A system includes a passenger seat. A biometric sensor is configured to monitor at least one biometric of a passenger seated in the passenger seat. A controller is operatively connected to control the biometric sensor and to provide output indicative of a health condition of the passenger based on the biometric.

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 engine mounted to an aircraft wing by a plurality of clevis pins, a respective strain sensor mounted in at least one of the clevis pins, and a monitoring system operatively connected to each respective strain sensor to monitor stress in each of the clevis pins having a respective strain sensor.

Abstract: A method of operating an uplocking system includes contacting with a latchable member a first surface of an opening of a hook biased in a first rotational direction relative to a body, rotating the hook in a second rotational direction with the contacting, moving the hook out of a first position relative to the body, rotating the hook in the first rotational direction after release of the contacting with the latchable member, moving the hook into a second position relative to the body, the first position and the second position being stable when the hook is biased in the first rotational direction without contact being made against the first surface, and retaining the latchable member with a second surface of the hook when the hook is in the second position.

Abstract: Provided are embodiments for power supply monitoring with variable thresholds for variable voltage vails. An example method includes determining a proportionality factor based on a reference voltage value of a reference voltage and a rail voltage value of a rail voltage. The method further includes monitoring the rail voltage by a power supply monitoring circuit comprising a first resistor, a second resistor, and a third resistor, wherein the power supply monitoring circuit monitors the rail voltage based on the reference voltage to determine, by the power supply monitoring circuit, whether one of an under voltage condition or an over voltage condition occurs. The method further includes, responsive to a processor commanding a change in the rail voltage value of the rail voltage, causing, by the processor, a new reference voltage value to be generated based on the proportionality factor to adjust an under voltage threshold and an over voltage threshold.

Abstract: A hybrid composite tube includes a metallic tube, a first silica fiber layer positioned radially of the metallic tube, a fiber reinforced polymer layer positioned radially of the first silica fiber layer, and a second silica fiber layer positioned radially of the fiber reinforced polymer layer, wherein the first silica fiber layer thermally insulates the fiber reinforced polymer layer and the second silica fiber layer thermally insulates the fiber reinforced polymer layer.

Abstract: A flexible heated hose assembly for an aircraft is provided. The flexible heated hose assembly including: an inner fluid tube enclosing a fluid passageway, the inner fluid tube having tubular shape; a first silicone liner located radially outward from the inner fluid tube; and a printed positive temperature co-efficient (PTC) heater located radially outward from the first silicone liner.

Abstract: Disclosed herein is a cover for a rod end of an actuator. The cover comprises a mounting collar for surrounding and mounting to a portion of the rod end. The collar is deformable such that it may be mounted over a rod eye mounted to the rod end. The cover further comprises a shield extending from the collar and shaped such that when attached to the rod end the shield shields a portion of rod end to prevent fluid or foreign object ingress to the rod end. Also disclosed is a rod end assembly comprising a rod end and a cover mounted thereto and a method of assembling and retro-fitting a rod end and cover.

Abstract: An actuator system comprising a rotatable lock mechanism defining a path for an actuator pin as the actuator is expanded and retracted, wherein the lock mechanism defines an entry passage through which the pin enters as the actuator extends, a guide surface along which the pin travels from the entry passage as the actuator retracts, a locking recess into which the pin is guided by the guide surface, and an exit passage into which the pin is guided as it is caused to leave the lock recess by extension of the actuator and subsequent retraction; whereby a detent surface is provided to prevent the pin returning back into the lock recess when the actuator is extended to cause the pin to leave the lock recess; and whereby the lock mechanism provides a sloping engagement surface for the pin, either side of the entry passage.

Abstract: A hybrid composite tube includes a metallic tube, a first silica fiber layer positioned radially of the metallic tube, a fiber reinforced polymer layer positioned radially of the first silica fiber layer, and a second silica fiber layer positioned radially of the fiber reinforced polymer layer, wherein the first silica fiber layer thermally insulates the fiber reinforced polymer layer and the second silica fiber layer thermally insulates the fiber reinforced polymer layer

Abstract: A strake for a turbine engine nacelle may comprise a forward portion coupled to a turbine engine nacelle inlet, and an aft portion coupled to a turbine engine nacelle fan cowl, wherein the aft portion is configured to move between a first position and a second position, and the aft portion engages the forward portion in response to the aft portion moving to the second position to secure the fan cowl with respect to the inlet.

Abstract: A control system for aircraft anti-icing is disclosed including a conduit coupled at a first end to a source of hot high-pressure bleed air, a control valve in fluid communication with the conduit and an injector head, wherein the control valve is in electronic communication with a controller and configured to regulate the flow of bleed air between the conduit and the injector head, and a first sensor in electronic communication with the controller and configured to report a first data. The system may initialize a control valve to an initial regulated pressure. The system may determine a control temperature and control the control valve based on the control temperature, the first data, and a set value.

Abstract: Embodiments herein relate to a permanent magnet (PM) motor driven hoist with a motor based electromagnetic brake. The hoist includes a direct current (DC) power source, a PM motor having stator coils and a PM rotor operably coupled to a cable drum with a cable wrapped thereon. The hoist also includes a controller operably connected to the direct current power source and the PM motor, wherein the controller is configured to control the PM motor employing a method to brake the PM motor. The method includes generating control signals in the controller based on a position of the PM motor, applying a braking command signal to the PM motor to magnetically lock the PM rotor of the PM motor for a selected duration, removing the braking command signals for a second selected duration, and repeating the generating, applying, and removing until the PM motor has stopped.

Abstract: A packaged inflatable life raft includes a non-inflated life raft and an enclosure around the non-inflated life raft. The enclosure includes a film with a first layer that is innermost toward the non-inflated life raft, a second layer outer from the first layer, a third layer outer from the second layer, and a fourth layer that is outermost from the non-inflated life raft. Additionally, the first layer includes a heat-sealable polymer selected from polyethylene, polypropylene, or a halogenated polymer. At least one of the second and third layers includes a metal foil or a polymer vapor barrier. At least one of the second, third, and fourth layers includes a polyester or polyamide. At least one of the first, second, third, and fourth layers includes a halogenated polymer, or a polymer composition comprising a halogenated or non-halogenated polymer and a fire retardant.

Abstract: An actuator system comprising a rotatable lock mechanism defining a path for an actuator pin as the actuator is expanded and retracted, wherein the lock mechanism defines an entry passage through which the pin enters as the actuator extends, a guide surface along which the pin travels from the entry passage as the actuator retracts, a locking recess into which the pin is guided by the guide surface, and an exit passage into which the pin is guided as it is caused to leave the lock recess by extension of the actuator and subsequent retraction; whereby a detent surface is provided to prevent the pin returning back into the lock recess when the actuator is extended to cause the pin to leave the lock recess.

Abstract: A method of operating an uplocking system includes contacting with a latchable member a first surface of an opening of a hook biased in a first rotational direction relative to a body, rotating the hook in a second rotational direction with the contacting, moving the hook out of a first position relative to the body, rotating the hook in the first rotational direction after release of the contacting with the latchable member, moving the hook into a second position relative to the body, the first position and the second position being stable when the hook is biased in the first rotational direction without contact being made against the first surface, and retaining the latchable member with a second surface of the hook when the hook is in the second position.

Abstract: A windshield wiper assembly for a dual sweep angle and indexable wiper system is provided. The system includes a wiper motor and a wiper arm for sweeping a surface of a windshield coupled to a first eccentric, the first eccentric comprising a primary eccentric and an indexable eccentric plate, wherein the indexable eccentric plate determines an eccentric offset of the wiper arm coupled to the first eccentric. The system further includes an output wiper shaft coupled to the wiper arm, a second eccentric coupled to a cam shaft, and a link coupled to the first eccentric and the second eccentric, the link having a first effective link arm length between the first eccentric and the second eccentric for driving the first eccentric to operate the wiper arm when operated in a first direction.