Abstract: A fastening system is provided for fastening an object in a vehicle, in particular in an aircraft. The system includes at least one fastening element arranged between the object to be fastened and the vehicle. The fastening element has at least one cavity, which may be changed in shape by fluid impingement, such that the fastening element fixes the object in the vehicle by shape change.

Abstract: A pressurized gas container is provided with a rigid inner container and with a projectile-proof casing. The projectile-proof casing surrounds the inner container on the outside and is of an elastic material having a high tensile strength in the peripheral direction.

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: An emergency oxygen supply system, particularly in an aircraft, has an oxygen supply conduit with a conduit junction. This conduit junction is formed by a valve, which forms a flow path from an oxygen inlet to two oxygen outlets, wherein the valve is designed in a manner such that one of the oxygen outlets may be selectively closed.

Abstract: A pressure regulation device is provided, in particular for an oxygen emergency supply system in an aircraft. The device includes at least two parallel conduits in each of which at least two controllable valves are arranged in series. Further, a pressure sensor is arranged on the exit side of the valve arrangement, for the detection of the actual pressure value, and a controller is provided, which is signal-connected to the pressure sensor and controls the valves.

Abstract: A cockpit oxygen mask comprises a mask body, an oxygen inhalation valve, a mixed air inhalation valve, an exhalation valve as well as with 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 comprises 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 comprises at least one discontinuous location which deforms a magnetic field produced in the wall.

Abstract: A fastening system (4, 4?,4?) is provided for fastening an object (2, 2?) in a vehicle, in particular in an aircraft. The system includes at least one fastening element (14, 14?,14?) arranged between the object (2, 2?) to be fastened and the vehicle. The fastening element (14, 14?, 14?) has at least one cavity, which may be changed in shape by fluid impingement, such that the fastening elements fixes the object (2, 2?) in the vehicle by shape change.

Abstract: An oxygen supply unit, particularly for use in aircraft, is provided which is arranged in a portable transport container (16) having at least one oxygen storage device (2, 2?, 2?) and a breathing requirement regulator (14, 14?14?) in fluid connection to the storage devices via a flexible tubing conduit (12, 12?, 12?), to which an oxygen mask (36, 36?, 36?) may be connected at an exit side of the conduit.

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: A device for enriching air with oxygen in an aircraft, and a method for operating the device provides product gas enrichment with oxygen with minimum requirements. An oxygen measurement apparatus analyzing the product gas flow as well as a throughput sensor are provided in combination with a change-over device. A flow connection to an outlet channel is created in a first switch position, and a flow connection to a consumer conduit exists in a second switch position. A device for producing a change-over signal from the first switch position to the second switch position is provided if the determined oxygen output as a product of the product gas flow and the oxygen concentration has reached or exceeded a predefined threshold value.

Abstract: A reducer valve for pressurized gas includes a piston (2) displaceably mounted in a valve housing (3) against the force of a pressure spring (8). At one end, the piston (2) is subjected to pressure by the back pressure via a control pressure line (20) whereby the gas, which flows in from a pressurized gas source via a gas inlet (17), is throttled. The reducer valve is improved so that a specific gas volume remains in the connected pressurized gas source below a minimum pressure. A directional valve (24, 25) is provided in the control pressure line (20) and opens above a predetermined limit pressure.

Abstract: A safety device is provided for a gas distribution system in an airplane, containing at least one pressure regulator (5) between a pressurized gas source (2) and a supply line. Reliability of operation is improved with the provision of a pressure-limiting device (4) with two lines (41, 42) arranged in parallel with two pressure-limiting valves (43, 44, 45, 46) each arranged in the same direction in series. The pressure-limiting device (4) is arranged upstream of the pressure regulator (5).

Abstract: A device for enriching air with oxygen by pressure swing adsorption in a molecular sieve bed provides for the separation of water from the air to be enriched with oxygen. The water separator is arranged directly upstream of the molecular sieve bed (8). The water separator is designed as a cyclone type water separator (5).

Abstract: A gas distribution system in an airplane has improved reliability of operation with a first supply line (7) and a second supply line (9) for pressurized gas connected to a pressurized gas source (2) via a branching site (6) with a second shut-off valve (10). The pressure in the supply lines (7, 9) is determined with a pressure-measuring means (24). An evaluating device (24) for the measured pressure signal is provided for sending a closing signal to the shut-off valve (8, 10) of the supply line (7, 9) in which a pressure drop of consequence occurs.

Abstract: An apparatus for supplying respiratory gas to a parachute jumper includes a mask which can be worn by the parachute jumper and a first respiratory gas reservoir includes a pressurized-gas vessel containing respiratory gas. The pressurized-gas vessel has an adjustable metering valve for metering respiratory gas contained in the pressurized vessel. A breathing hose connects the metering valve to the mask for conducting the respiratory gas to the mask. A second respiratory-gas reservoir contains a solid-state oxygen generator and has a manually-actuable starting device for the solid-state oxygen generator. The second respiratory-gas reservoir is connected to the breathing hose.

Abstract: A modular oxygen supply system is provided comprising at least one module skeleton with a baseplate with frames arranged in parallel to one another. The system includes supply lines for ambient air with air connections for taking off the air, first gas lines for oxygen with first gas connections for taking up the oxygen and second gas lines for outgoing air with second gas connections for taking up outgoing air. Rack guides with data lines are provided. At least one individual module can be pushed into the module skeleton. Each individual module has at least one molecular sieve container fastened on a baseplate with the gas connections and with an electric contact. Each individual module has a gas treatment unit for the ambient air fed in. A pressure reducer and a multiple-way valve as well as an oxygen reservoir are arranged downstream of the molecular sieve container or containers connected in parallel.

Abstract: A safety helmet combined with a visor (3) in a detachable connection, which is formed by holding structure located on both sides at the safety helmet shell (2). Wear properties are improved by the holding structure having rigid coupling hooks (10), which are connected to the visor (3), catch openings (11) receiving the coupling hooks (10), and hinges. A visor structure (13) that can be pivoted over the visor (3) is fastened to the hinges (12); and the detachable connection is designed such that the visor structure (13) is connected to the visor (3) in one assembly unit with it when the visor (3) is removed from the safety helmet (1).

Abstract: A hinge connection at a breathing gas supply unit between a container lower part (3) and a container door (4), which is fastened, pivotably around an axis, at a rear container edge (1) of the container lower part (3). The connection is provided such that dimensional differences of the container lower part can have only a limited effect on the positioning of the container door in relation to adjacent components of the breathing gas supply unit. The axis of the hinge is designed as projections (15) located at a spaced location from hinge pins (14) of a rail section (2) in the manner of a pin.

Abstract: The invention is directed to an emergency hood to be worn by a person in an environment where there is fire or contamination. The hood closes off the head of the person to the ambient and has an elastic, gas-impermeable ruff extending down to the neck and shoulder region of the wearer. The hood has an interior space for accommodating the head of the wearer and is made of a fire resistant gas-impermeable material and has a transparent visor in the region of the eyes or face of the person and the visor likewise is made of fire resistant, gas-impermeable material. An oxygen supply unit supplies oxygen to the hood for use by the person and a water and carbon dioxide absorbing flexible areal absorber unit is mounted in the interior space.

Abstract: A control device for admitting compressed air into anti-g pilot pants to reduce the effects of forces of acceleration on the pilot. Flight maneuvers with rapid change from negative to positive acceleration shall be made possible by the present invention over a broader range than before. To achieve this, the control device is provided with control means (5-10, 13, 14) for detecting changes in acceleration from negative to positive values, which bring about an additional admission of pressure over a limited period of time with a profile decreasing over time at rates of acceleration change above a predetermined value.