Abstract: The invention relates to an aircraft oxygen emergency device comprising a chemical oxygen generator, an oxygen supply line including a first line section connecting said chemical oxygen generator with a flow regulator unit and a second line section connecting said flow regulator unit with at least one oxygen mask for supplying oxygen to mouth and/or nose of a person at a breathing pressure. According to the invention, said second line section comprises an upstream second line section connecting said flow regulator unit with a throttle unit and a downstream second line section connecting said throttle unit with the oxygen mask, wherein oxygen flowing from the chemical oxygen generator to the oxygen mask via said oxygen supply line passes through said throttle unit and said throttle unit has a cross section which is small enough to increase the pressure within the chemical oxygen generator.

Abstract: The invention relates to a method for activating and maintaining a plurality of separate and distanced functional units in an aircraft cabin. According to the invention, a wireless network comprising a plurality of nodes is initialized, wherein each node is associated with a device wherein said initializing comprises associating each node a sending time slot within a time frame using a TDMA synchronization scheme, wherein each node is active to send signals during its sending time slot and is active to receive signals during a first set of time slots comprising a number of time slots of said frame, wherein the sending time slot of a node is different from the sending time slots of at least a plurality of its neighbored nodes.

Abstract: Embodiments of the invention relate to a chemical oxygen generator for an emergency oxygen device, comprising an outer housing defining an interior space and comprising an outlet opening, a solid oxygen source within said interior space containing a material which is able to produce oxygen in a chemical reaction. According to embodiments of the invention, a hollow tube within said interior space is embedded in said solid oxygen source.

Abstract: The invention relates to a passenger service unit (PSU) for use in an aircraft, comprising a reading light having a light source and a reflector partially enclosing the light source, and an emergency oxygen supply device comprising an oxygen source, a starter unit for releasing oxygen flow from said oxygen source to an oxygen mask, a control unit for controlling oxygen flow rate from said oxygen source to said oxygen mask and an electrical energy storage device like a rechargeable battery pack or a condensator, for providing electrical energy to said control unit and/or said starter unit. According to the invention, the PSU comprises an energy harvesting unit adjacent to or integrated into said reflector of said reading light wherein said energy harvesting unit is electrically connected to said electrical energy storage device.

Abstract: Oxygen regulator (1) to deliver breathing gas in a cabin (10) of an aircraft comprising a first inlet (12) for pressurized breathing oxygen, a second inlet (14) for diluter gas, an outlet (16) to provide a breathing mixture to a user, and a regulation device adjusting the concentration of breathing oxygen in the breathing mixture. The regulation device comprises a emergency device (30) that adjusts the concentration of breathing oxygen in the breathing mixture as a function of a variation speed of the cabin altitude.

Abstract: Oxygen breathing masks, as well as methods of providing oxygen to persons, are detailed. The devices may include mechanisms for supplying either oxygen or ambient air to a person depending on inspiration pressure applied by the person to a first volume to which the person's mouth and/or nose is connected.

Abstract: An oxygen emergency supply device for an aircraft includes an oxygen pressure vessel, which is in fluid connection with at least one oxygen mask. Means for closing and opening the oxygen pressure vessel, means for pressure reduction, a pressure regulation device, and a flow throttle are provided in the conduit connection between the oxygen pressure vessel and the oxygen mask. The oxygen emergency supply device further includes a control device. A controllable shut-off valve forms the means for closing and opening the oxygen pressure vessel, the means for pressure reduction and a part of the pressure regulation device.

Abstract: The invention relates to an arrangement of a plurality of oxygen breathing devices, in particular for providing oxygen to passenger or crew of an aircraft, each oxygen breathing device comprising an oxygen source, wherein oxygen is stored, in particular in chemically bound form or compressed form, an oxygen guiding device for guiding oxygen from the oxygen source to a person. According to the invention, an arrangement of a plurality of oxygen breathing devices is provided, wherein a first one of said plurality of oxygen breathing devices further comprises an integrated transmitter comprising a sender adapted for wireless communication with a receiver of a second one of said oxygen breathing devices and a receiver adapted for wireless communication with a sender of said second oxygen breathing device.

Abstract: The invention relates to a passenger service unit, in particular for an aircraft passenger cabin, comprising at least one passenger service panel with fastening elements for fastening the panel to an interior component or framework of the aircraft, at least one electric component for passenger entertainment or information mechanically attached to the passenger service panel, at least one electrical connecting terminal for electrical connection of said at least one electric component and an electrical connection for supplying electrical energy and/or transmitting information to said at least one electric component. A further aspect of the invention is a method of producing a passenger service panel. Furthermore the invention relates to method for providing information or entertainment to passengers of an aircraft. A further aspect of the invention is an aircraft, in particular an aircraft passenger cabin, comprising a passenger service unit.

Abstract: The invention is related to a container for a supply unit, in particular an oxygen supply unit and/or a passenger supply unit (PSU), having a container well at least, wherein a container door can be pivotably joint at a container well's edge, in particular pivotable about a hinge at the container well's edge, wherein the container well at least consists of a sheet moulded compound material moulded from a composite of thermoset sheet material based on fiber-reinforced polymer matrices mainly.

Abstract: A regulation valve for a life support system for use in an aircraft cabin comprising: a gas inlet for breathable gas, an air mask supply outlet connected to the gas inlet and adapted to direct breathable gas to an air mask, a pressure vest branch interconnected between the gas inlet and an opening for connecting to a pressure vest and adapted to direct breathable gas to and from the pressure vest, a decompression valve adapted to inhibit gas flow from the pressure vest branch to the air mask supply outlet if pressure in the aircraft cabin decreases below a predetermined value, a one-way valve adapted to inhibit gas flow from the pressure vest branch to the air mask supply outlet at a predetermined pressure difference between the pressure vest branch and the gas inlet and a one-way dump valve adapted to direct gas from the pressure vest branch to the environment at a predetermined pressure difference between the pressure vest branch and the gas inlet.

Abstract: Passenger seat for a system of passenger seats of an aircraft cabin, comprising: a seat body, an energy harvesting system for providing electrical energy, in particular for use in the passenger seat electrical net and/or aircraft electrical net, wherein an energy harvesting device of the energy harvesting system is provided to the seat body, wherein the energy harvesting device is adapted for capturing from the seat body ambient energy.

Abstract: A cockpit oxygen mask includes a mask body, an oxygen inhalation valve, a mixed air inhalation valve, an exhalation valve as well as a control device. At least the oxygen inhalation valve is signal-connected to the control device. The oxygen inhalation valve is designed as an electromagnetically actuatable valve, and includes at least one throughflow path which may be closed by a magnetically movable valve body, wherein the throughflow path is limited by a magnetizable wall, and wherein the wall includes at least one discontinuous location which deforms a magnetic field produced in the wall.

Abstract: A cockpit oxygen mask includes a mask body, an oxygen inhalation valve, a mixed air inhalation valve, an exhalation valve as well as a control device. At least the oxygen inhalation valve is signal-connected to the control device. The oxygen inhalation valve is designed as an electromagnetically actuatable valve, and includes at least one through flow path which may be closed by a magnetically movable valve body, wherein the through flow path is limited by a magnetizable wall, and wherein the wall includes at least one discontinuous location which deforms a magnetic field produced in the wall.

Abstract: The passenger oxygen mask is provided for emergency situations on board an aircraft. The mask body is designed collapsible at least in sections. An axial overall height of the mask body is reduced by way of the one or more mask sections. This simplifies the accommodation of the oxygen mask or even permits a smaller constructional size of the preparation device.

Abstract: The invention relates to an arrangement of a plurality of oxygen breathing devices, in particular for providing oxygen to passenger or crew of an aircraft, each oxygen breathing device comprising an oxygen source, wherein oxygen is stored, in particular in chemically bound form or compressed form, an oxygen guiding device for guiding oxygen from the oxygen source to a person.

Abstract: The Invention relates to a passenger cabin emergency oxygen device for an aircraft, comprising at least one electrically driven activation device for activating the emergency oxygen device, at least one energy storage device and a source of electrical energy. Said source of electrical energy and said energy storage device are coupled together for substantially constant energy transmission from the source of electrical energy to the energy storage device at a first energy level, an activation device and a controller are coupled together for signal transmission from the controller to the activation device, said activation device and said energy storage device are coupled together for energy transmission from the energy storage device to the activation device at a second energy level which is higher than the first energy level.

Abstract: The invention relates to a passenger service unit for an aircraft, comprising at least one light source and at least one passenger air supply device. According to the invention the passenger air supply device is adapted for applying a flow of air to the light source. Furthermore it relates to a method for providing light and fresh air to passenger of an aircraft by providing an air flow from an air supply device and light from a light source to the passenger. The method comprises applying an air flow from said passenger air supply device to said light source for cooling the light source by means of convection. Furthermore the invention relates to a method for assembling a passenger service unit and to an aircraft.

Abstract: A method is provided for emergency supply of oxygen in an aircraft. First, stored oxygen is led to the oxygen masks of the aircraft occupants, and simultaneously a part of the stored oxygen is used for flushing molecular sieve beds of an air decomposition device, at the beginning of the emergency supply. Subsequently, the air decomposition device assumes the oxygen supply to the aircraft occupants.

Abstract: The invention relates to a light emitting diode (LED) which is electrically connected to an anode and a source. According to the invention one of the anode and the source is thermally coupled to a first heat conductor, the heat conductor being thermally coupled to a first Peltier element to convert thermal energy transmitted from and generated in the light emitting crystal when the light emitting crystal is provided with electrical energy into electrical energy.