Abstract: The present invention provides a device which can uniformize heat distribution by using an existing heater mat for repairing or joining members. A heat dispersion device includes a bag with a fluid sealed inside, and is disposed on a second surface of a heater mat which has a first surface to be directed toward an object to be heated and the second surface opposite to the first surface. The fluid inside the bag is preferably heated with a heat source.

Abstract: An aircraft duct structure includes a first duct through which exhaust air from a front-side equipment compartment flows, and a second duct through which exhaust air from a rear-side equipment compartment flows. The first duct has a terminal end part where the exhaust air inside the second duct flows into the exhaust air inside the first duct at a substantially right angle, and a flow straightening plate located inside the terminal end part. The terminal end part has a jet opening which faces, across a clearance, an air pressure regulating port where an air pressure regulating valve is disposed. The inside of the terminal end part is divided by the flow straightening plate into an upper region and a lower region. The exhaust air inside the first duct and the exhaust air inside the second duct merge together in the upper region.

Abstract: A safety analysis system for wiring, including: a storage unit that stores electric wire-terminal connector correlation information in which each of a plurality of electric wires and a pair of connectors are correlated with each other, terminal connector-function correlation information in which the pair of connectors located at terminals and a function of a device to which the connectors are connected are correlated with each other, and function determination information including a combination of a plurality of functions that are not allowed to be lost at the same time; and a processing unit that matches the electric wire-terminal connector correlation information and the terminal connector-function correlation information when the wire harness is identified, and generates electric wire-function correlation information in which each of the plurality of electric wires and the function of the device are correlated with each other.

Abstract: The present invention provides a pipe structure including: a pipe through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere flows; a cover that covers an outer peripheral portion of the pipe, and defines a plurality of vents from which the gaseous body leaking from the pipe flows out; and a guide member that guides the gaseous body flowing out from the vent toward a line-shaped sensor that passes a position corresponding to each of the plurality of vents, and is sensitive to a temperature or a concentration of a gaseous body outside the cover.

Abstract: There is provided a safety device for aircraft, that prevents an explosion of a fuel tank storing aviation fuel, the safety device including: a flame arrester that is arranged near an end of a ventilation passage on an aircraft outer side, as a part of the ventilation passage allowing the inside of the fuel tank and an outside of the aircraft to communicate with each other, to prevent a flame propagation into the fuel tank from the outside of the aircraft through the ventilation passage; and a heat transfer reducing part that is arranged closer to the outside of the aircraft than the flame arrester to prevent heat transfer to the fuel in the fuel tank from the flame.

Abstract: The present invention provides a method for locating a machining position in a repair material that is arranged on a member including a machined portion formed by predetermined machining, the method including: a step of arranging a marker including a portion having a different propagation characteristic of an ultrasonic wave from that of a peripheral portion in the machined portion existing in the member before the repair material is arranged on the member; and a step of applying the ultrasonic wave to the member covered with the repair material and locating the machining position at a position of the marker captured by the ultrasonic wave after the repair material is arranged on the member.

Abstract: A fire extinguishing system of an aircraft including a nozzle device that is provided on an installation member forming a compartment of the aircraft, wherein the nozzle device includes: a nozzle that is passed into an insertion hole formed in a nozzle installation section provided on the installation member, and discharges a fire extinguishing agent supplied from a supply source into the aircraft compartment; and a lid member that closes a gap between the nozzle and the nozzle installation section.

Abstract: The method of forming reinforced fiber base material is provided with: arranging, on the mold having a projection with a upper surface, a platform that is adjacent to the projection and has a flat upper surface at the same height as the upper surface of the projection; forming the laminate by placing reinforced fiber base material in layers on the upper surface of the projection; placing an end of the laminate in the width direction extending out of the upper surface of the projection, on the upper surface of the platform, with the end of the laminate in the width direction sandwiched in a vertical direction by a pair of the films of which outer ends in the width direction are fixed to each other; and removing the platform and pulling out the pair of the films while shaping the laminate along the projection.

Abstract: A method for determining a wiring risk is a method for determining a first risk that electric wires connected to a plurality of terminal devices are bundled into a single harness, and a second risk that harnesses fail at the same time, wherein the first risk is determined by identifying the number of connectors to which a target harness identified from the plurality of harnesses is indirectly connected, and the second risk is determined by matching location information of the target harness to an influenced area by a hazard source, and identifying whether the target harness passes through the influenced area.

Abstract: The present invention has an objective to provide a leading-edge structure for an aircraft that is capable of, in the case of a collision with an airborne object, effectively absorbing the energy of the collision with the airborne object, with no increase in its weight. A leading-edge structure (10) for an aircraft according to the present invention includes a spar (11) extending in a predetermined direction, a plurality of ribs (13) provided in the predetermined direction of the spar (11) at intervals, and a skin (17) supported by the plurality of ribs (13). The ribs (13) includes first ribs 14 and a plurality of second ribs 15 that are disposed between the pair of first ribs (14). The second ribs (15) do not support the skin in the vicinity of their front ends.

Abstract: A device 100 for molding a fiber-reinforced plastic structure is a device for manufacturing a fiber-reinforced plastic structure 200 integrating a stringer 2, which is a fiber-reinforced plastic member having a longer dimension in a longitudinal direction D than in a direction perpendicular to the longitudinal direction D, with a skin 1, which is a fiber-reinforced plastic member. The skin 1 is provided with a positioning plate 3, which is disposed along the skin 1 and engages with a bottom surface 201 of an end part 21 of a mandrel 20 for molding the stringer 2. The positioning plate 3 positions the stringer 2 relative to the skin 1, at least in the direction intersecting the longitudinal direction D.

Abstract: A fire extinguishing system of an aircraft, including: a fire extinguishing nozzle device that is provided on an installation member forming a compartment of the aircraft; and a fire extinguishing pipe that is provided on a support structure supporting the installation member from a back side, and supplies a fire extinguishing agent to the fire extinguishing nozzle device. The fire extinguishing pipe is restrained to the support structure at a plurality of restraint positions. A holding device that holds the fire extinguishing pipe and is provided on the support structure is used at at least one of the plurality of restraint positions. The holding device includes a holding section that holds an outer periphery of the fire extinguishing pipe, and a disengaging section that enables disengagement of the fire extinguishing pipe.

Abstract: The present invention provides a method for repairing a lightning protection material that is made of a metal material and is provided along a surface of a member formed by using a fiber reinforced resin includes: bonding a repair material made of a metal material over a lost region of the member where the lightning protection material is lost by using a liquid adhesive and a sheet-shaped holder that contains and holds the adhesive and is arranged at the lost region.

Abstract: An actuator device includes a first and second actuators. The actuator device comprises a control system that is configured to switch the first actuator to a standby state and switch the second actuator to an active state in response to a first condition set wherein a hydraulic value in a first hydraulic system is equal to or less than a predetermined first threshold value and a second hydraulic value in a second hydraulic system is equal to or more than the predetermined second threshold value; and in response to a second condition set wherein the first hydraulic value is equal to or less than the predetermined first threshold value, the second hydraulic value is less than the predetermined second threshold value, and a difference between a current position and target position of a cylinder of the first actuator is equal to or more than a predetermined third threshold value.

Abstract: The present invention provides a pipe structure including a pipe that is disposed along an approximately horizontal direction, and has a plurality of ducts through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere continuously flows, and a plurality of couplings each connecting the ducts together; and a cover covering an outer periphery of the pipe. The cover defines a plurality of vents from which the gaseous body leaking from the pipe flows out of the cover at an interval in a length direction of the pipe. As the plurality of vents, the cover includes at least first vents located corresponding to the couplings. Respective positions of the first vents are substantially set within a range from a two o'clock position to a ten o'clock position through a six o'clock position in a cross sectional surface of the cover.

Abstract: The present invention provides a wire harness manufacturing support system including: a worktable on which a plurality of electric wires constituting a wire harness are wired; and a database that holds wiring route data corresponding to each wire of the plurality of electric wires. The wire harness manufacturing support system is configured so that wiring routes are sequentially displayed on the worktable based on the plurality of wiring route data held in the database.