An de-icing system comprising a shield that is configured to deform in a pre-determined way that de-bonds accreted ice. In some embodiments, the shield has a variable (non-uniform) stiffness across its width and/or length such that it undergoes a twist-like or other suitable deformation when subjected to a force. In some embodiments, the system includes a plurality of electro- mechanical actuators configured to generate the force applied to the shield.
B64D 15/16 - Dégivrage ou antigivre des surfaces externes des aéronefs par dispositifs mécaniques, p. ex. des gaines ou des bourrelets fixés ou incorporés à la surface et soumis à des pulsations
2.
OXYGEN BREATHING DEVICE WITH ELONGATED SUPPLY TIME
The invention relates to an aircraft oxygen emergency device comprising a chemical oxygen generator (10), an oxygen supply line including a first line section (21) connecting said chemical oxygen generator with a flow regulator unit (20) and a second line section (31) connecting said flow regulator unit with at least one oxygen mask (50 a, b, c) for supplying oxygen to mouth and/or nose of a person at a breathing pressure. According to the invention, said second line section (31) comprises an upstream second line section (41 a, b, c) connecting said flow regulator unit (20) with a throttle unit (40 a, b, c) and a downstream second line section (51 a, b, c) 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, the first line section, the flow regulator unit and the upstream second line section to an elevated pressure above said breathing pressure.
B64D 13/00 - Aménagements ou adaptations des appareils de conditionnement d'air pour équipages d'aéronefs, passagers ou pour emplacements réservés au fret
A62B 7/08 - Appareils respiratoires contenant des compositions chimiques dégageant de l'oxygène
The invention relates to a method for activating and maintaining a plurality of separate and distanced functional units in an aircraft cabin, in particular an aircraft. A separate and distanced functional unit may in particular be a remotely operable device used inside 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, in particular a remotely operable 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, preferably all neighbored nodes, wherein a neighbored node of a node is defined to be within a predetermined distance to said node, sending an activation signal from one of the nodes to at least the plurality of nodes in a predetermined neighborhood distance to said node, wherein each node after having received said activation signal transmits said activation signal during the sending time slot associated to said node to at least one neighbored node.
Embodiments of the invention relate to a chemical oxygen generator for an emergency oxygen device, comprising an outer housing (10) defining an interior space and comprising an outlet opening (30), a solid oxygen source (50) 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 (40) within said interior space is embedded in said solid oxygen source.
The invention relates to a passenger service unit (PSU) (1) for use in an aircraft, comprising a reading light (20) having a light source (21) and a reflector (22) partially enclosing the light source (21), and an emergency oxygen supply device comprising an oxygen source (51), a starter unit (52) for releasing oxygen flow from said oxygen source to an oxygen mask, a control unit (53) for controlling oxygen flow rate from said oxygen source (51) to said oxygen mask and an electrical energy storage device like a rechargeable battery pack (55) or a condensator, for providing electrical energy to said control unit (53) and/or said starter unit (52). According to the invention, the PSU comprises an energy harvesting unit (60) adjacent to or integrated into said reflector (22) of said reading light (20) wherein said energy harvesting unit (60) is electrically connected to said electrical energy storage device (55).
The invention relates to a Cockpit emergency device for a crew member of an aircraft incorporating an oxygen mask with a supply housing for supplying oxygen to mouth and/or nose of the crew member and attachment means for attaching said supply housing to the head of the crew member in a position covering mouth and/or nose, respectively, further comprising a see-through-display mounted to said oxygen mask such that said see-through-display is positioned in front of one or both eyes of the crew member and a visual user interface adapted to provide visual information to the crew member via said see-through-display.
Disclosed are various embodiments for a cabin management system that increases data throughput and decreases transmission delay via at least two dual channel time-triggered bus. In one embodiment, the cabin management system comprises a cabin management controller for controlling the cabin management system and interfacing with a plurality of avionics of an aircraft. The cabin management system further comprises a plurality of equipment controllers for generically interfacing with the cabin equipment of the aircraft. Additionally, the dual channel time-triggered data buses transmit data between the cabin management controller and the cabin equipment controllers based on a time triggered protocol.
Method for protecting aircraft occupant comprising the steps of: − providing a user (7) with a breathing mask (4) for aircraft occupant, − providing a respiratory gas (62) including a mixture of breathable gas and dilution gas to the user (7), − sensing partial pressure or rate of oxygen or carbon dioxide in exhalation gas (64) generated by the user (7), − adjusting (60) the rate of oxygen in the respiratory gas (62).
A demand regulator (1 ) for aircraft breathing device (100) comprising: - a respiratory chamber (9) supplied with respiratory gas comprising breathable gas and dilution gas, - a breathable gas supply line (12, 13), - a dilution gas supply line (14, 15), - a first adjusting device (50, 60) of non-electrical type adjusting the pressure in the respiratory chamber (9), and - a second adjusting device (22, 24, 40, 41 -49) adjusting the rate of dilution gas in the respiratory gas supplied to the respiratory chamber (9), the second adjusting device comprising a dilution valve (24) disposed in the dilution gas supply line (14, 15), a sensor (41 -49) and an electrical control unit (40) adjusting the rate of dilution gas in the respiratory gas by controlling the dilution valve (24).
A breathing assembly (1 ) for aircraft comprising a storage unit (10), a breathing mask (50) and a releasable securing device (60). The storage unit (10,) has a guiding surface (13) extending perpendicularly to an elevation direction (Z) and a maintaining element (21, 22). The breathing mask (50) comprises a rigid support (40) having a sliding surface (39) adapted to slide in contact with the guiding surface (13) of the storage unit (10), along a sliding direction (X), between a storage position and an exit position. The support (40) further has a maintaining element (41, 42). In the storage position, the sliding surface (39) of the support (40) is prevented from moving away from the guiding surface (13) of the storage unit (10) along the elevation direction (Z) at the distal end (40b) by engagement of the maintaining element (41, 42) of the support (40) with the maintaining element (21, 22) of the storage unit (10).
A respiratory equipment (1 ) comprising: a respiratory mask (10) adapted to be applied in a use position around a nose and a mouth to a user, an inflatable harness (20), a gas supply tube (2) connected to the respiratory mask at a downstream end (2b), a storage element (30) comprising a housing (32) adapted to store the respiratory mask (10) in a storage position, and a retaining device (40) including a leash (46) and a releasably holding portion (42, 44) connected to the leash (46), the leash having a connecting portion (47) connected to the harness (20) and a securing portion (45) connected to the storage element (30).
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.
A tube (23) for inflatable harness (1) of a breathing mask (3), the tube (23) is gas impermeable, supple and has an inner surface (22) and an outer surface (24), wherein the inner surface (22) of the tube (23) includes a plurality of protrusions (30).
A62B 18/08 - Parties constitutives des casques ou masques à gaz, p. ex. fenêtres, sangles, transmetteurs de voix, dispositifs de signalisation
F16L 11/12 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec agencements pour usages particuliers, p. ex. spécialement profilés, avec couche protectrice, chauffés, conducteurs d'électricité
The valve actuator (1) includes a housing (2), a motor (4) coupled to the valve, wherein rotation of the motor (4) changes the position of the valve from a first position in which fluid flow may occur along at least one path and a second position in which fluid flow is either blocked or may occur along at least one second path, said motor (4) being normally supplied with electrical power from a main source of electrical power, at least one sensor (24,132) configured to detect the position of the valve and/or the valve speed, a switch (16) controlling the delivery of electrical power to the motor (4), and a power circuitry (19) connected to the switch (16). The valve actuator further includes a controller (20) connected to the at least one sensor (24,132) and to the power circuitry (19), said controller (20) collecting in real time data relative to the position and/or the speed of the valve and data relative to the power setting, calculating the position and/or speed correction in pro rata to errors between the collected data relative to the position and/or the speed of the valve and collected data relative to the power setting, and sending a new power setting to the power circuitry (19), wherein the power circuitry (19) amplifies the controller signal.
F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
15.
REFUELLING EQUIPMENT AND METHOD FOR REFUELLING AN AIRCRAFT TANK SYSTEM
The aircraft refuelling equipment (20) of an aircraft comprises a pipework (22) in which a fuel supply line (13) is connected to a plurality of tank supply lines, fuel tanks connected to tank supply lines of the pipework, first valves (24, 25,26) allowing each fuel tank to be disconnected from the fuel supply line, and at least one captor (30) that provides a signal indicative of a pressure or a flow rate. For each of said first valves, a first valve flow parameter can be estimated, using said captor. The equipment further comprises: - at least one actuator associated with each of said first valves, the actuator allowing adjustment of the opening of the associated first valve; and an electronic control unit (ECU) connected to the respective actuator-first valve assemblies and adapted to regulate an opening of the first valves, using respective first valve flow parameter data.
A method for determining a characteristic such as partial pressure or percentage of a gaseous constituent in a first gas mixture flow (32) in a flow chamber (30) where flows alternatively said first gas mixture flow (32) and a second gas mixture flow (34) comprising the following steps: a) introducing the first gas mixture flow (32) into a sensing chamber (40) when the first gas mixture flow (32) flows in the flow chamber (30), b) preventing introduction of gas from the flow chamber (30) into the sensing chamber (40) at least when the second gas mixture flow (34) flows in the flow chamber (30), c) sensing said characteristic of the first gas mixture flow (32) in the sensing chamber (40).
A breathing assembly (1) for aircraft comprising: - a breathing mask (2) to be connected to a source of breathing gas, - a stowage box (10) forming a receptacle for receiving the breathing mask (2) in a stowage position, and - a valve assembly (20) comprising a valve (32) having an open position in which the valve (32) allows the feed of breathing gas to the breathing mask (2) and a closed position in which the valve (32) prevents the feed of breathing gas to the breathing mask (2), the valve assembly (20) being supported by the breathing mask (2), and - a retaining element (14) connected to the stowage box (10) and cooperating with the valve assembly (20) to maintain the valve (32) in the closed position when the breathing mask (2) is in the stowage position.
Hygienic mask (1) for aircraft crewmember comprising a first area (3) made of an air filtering tissue and a second area (5) made of a flexible material, said second area (5) surrounding the first area (3) and being attached to the edge of said first area (3). The hygienic mask (1) comprises an air filter (43) including the second area (5) and a retaining element (70) including the first area (3), and the air filter (43) is removably fixed directly to the retaining element (70).
The invention concerns an hygienic mask for aircraft crewmember comprising: • a first area (3) made of an air filtering tissue; and • a second area (5) made of a flexible material, the second area surrounding the first area and being attached to the edge of the first area; wherein, when the hygienic mask is worn by the crewmember, the first area has a shape adapted to cover at least the nose and the mouth of the crewmember and to fit into a face piece of an aircraft respiratory protection mask (1 1 ) and the second area has a shape to be disposed between the crewmember skin and a seal face element of the aircraft respiratory protection mask, when the aircraft respiratory protection mask is donned by the crewmember on top of the hygienic mask.
An elastic tubular device comprising - an inner tube (23) made of an elastic and gas imperméable material; and, - an sheath (21) surrounding the inner tube and made of a woven cloth of flame résistant meta-aramid yarns, wherein the tubular device has a longitudinal extension of at least approximately 1,4 when inflated by a gas having a pressure of at least approximately 0.5 bar.
A device for delivering a breathing gas to an on-demand breathing mask (23) comprises - an Onboard Oxygen Generator (1 ) comprising an oxygen-rich gas outlet end; - compressor means (7) comprising inlet means (6) and outlet means (12), said inlet means being connected to oxygen-rich gas outlet end of said Onboard Oxygen Generator (1 ) for receiving said gas, said compressor means being operable to increase the pressure of said gas for delivery from said outlet means to the on-demand breathing mask. The device further comprises a connecting means (17) to connect said compressor outlet means (12) to said compressor inlet means (6) so that oxygen-rich gas in excess at the outlet means is redirected to the inlet means.
A62B 7/14 - Appareils respiratoires pour vol à haute altitude
B64D 13/02 - Aménagements ou adaptations des appareils de conditionnement d'air pour équipages d'aéronefs, passagers ou pour emplacements réservés au fret l'air étant pressurisé
The invention relates to an oxygen breathing device, in particular for providing oxygen to passengers or crew of an aircraft, the 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, and a control unit for controlling pressure and/or flow rate of the oxygen flowing through the guiding device. According to the invention, an improved oxygen breathing device is provided having an energy conversion and supply device which is adapted to convert energy stored or produced within the oxygen breathing device into an energy required by the control unit, and to provide said energy required by the control unit to the control unit.
A device for oxygen supply of a user in an aircraft comprising a breathing mask (20), a stowage box (1 ) for the breathing mask and an oxygen supply hose (22) having one end connected to the stowage box and the other end connected to the breathing mask, wherein the device further comprises means (3) to fix the stowage box in a ceiling of the aircraft, an aperture on the bottom side of the stowage box closed by a door (7) and a leash (28) connected to the stowage box by one end and to the breathing mask by the other end so that, when the door is open, the mask falls and is kept hovered by the oxygen supply hose and the leash.
A breathing mask for aircraft crewmember comprising an on-demand regulator, said regulator comprising an inlet connected to a source of breathing gas and an outlet to exhaust the breathing gas, said outlet having an aperture controlled by a movable valve (18) having an open position when the crewmember breathes out and a closed position when the crewmember breathes in, wherein said breathing mask comprises latch means (30) operable by said crewmember to latch said valve in the open position, said latch means comprising an unlocking means (42, 46, 48) to release said valve when the cabin pressure is below a predetermined value.
A stowage box for a breathing mask comprising: • a frame (3) forming a receptacle for the mask, said frame having an open face for inserting and extracting the mask, and • a pneumatic assembly (19) to control the feed of a breathing gas under pressure to the breathing mask, wherein the pneumatic assembly is adapted to close the feed of breathing gas when the mask is inserted into the frame and to open the feed of breathing gas when the mask is extracted from the frame.
According to the invention, the method comprises exposing a surface (3) sensitive to relative wind and monitoring the thermal flow variations between the surface (3) and the aerodynamic flow, said variations resulting from that of the forced-convection thermal exchange coefficient between the surface (3) and the aerodynamic flow depending on the rime or ice build-up, using the temperature sensor (12) under the surface (3), considering that stripping occurs by the flow of an ice layer formed on the surface (3) if it is detected, preferably after heating by at least one heater (4), that there is a brisk rise of the flow at a temperature close to 0°C, and supplying after the detection of ice stripping, a signal indicating the presence of rime or rime conditions. A cooler (5) may cool the surface (3) for anticipating the formation of ice with a heating process. The invention can be used for detecting rime and/or rime conditions on a flying aircraft.
A head protective equipment comprises: - a breathing mask (2) connectable to a breathing-gas source and adapted to be applied, in a use position, around an user's nose and mouth, for supplying said user with breathing gas; - a shield (6) adapted to be applied around the user's eyes; and - first and second lock elements (28, 30, 38, 40), respectively located on said mask and on said shield, and adapted to cooperate with each other in order to secure said shield to said mask when said mask is in said use position around said user's nose and mouth, said first and second elements being adapted to create a snap- together connection, - said shield and said mask being adapted to be locked together by a two-step movement, the first step consisting in approaching the shield to the mask until said shield reaches said mask, and the second step being a substantially linear movement until locking.
A breathing mask adapted to be placed over a wearer's face, comprises a mask body including a gas inlet port to be disposed in flow communication with the wearer's breathing passage for flow of a gas in a predetermined flow stream there through upon inhalation by the wearer; a communications microphone (30) mounted to said mask body to capture the voice of the wearer, said communications microphone generating sound signals; an attenuation device (34) for attenuating said sound signals; a sound monitor (36) for monitoring the intensity of sound near the communications microphone in a predetermined frequency range, connected to a controller device (38) for activating the attenuation device when the sound intensity monitored by the sound monitor is in a predetermined level range.
The invention relates to a respiratory gas supply circuit for an aircraft carrying passengers and/or crewmembers (1) in a cabin, comprising a source of breathable gas (R1 , R2), at least one supply line (20) connected to said source, a first actuating device (60, 12) provided on said supply line to open at least partially or close the supply of breathable gas, a respiratory device (50) adapted to be worn on one passenger or crewmember's face, said respiratory device being connected to said supply line, and further comprising an ambient air inlet (40), said respiratory device providing to said one passenger or crewmember a respiratory gas to be inhaled corresponding to ambient air and/or breathable gas, wherein said ambient air inlet further comprises a econd actuating device (4, 11) to open at least partially or close said ambient air inlet; and, both said first and second actuating devices are operated so that at least one of said first and second actuating devices is closed at each instant of time.
The invention relates to a storage box (13) in which is received a protective mask (4) adapted to be applied on the face of an aircraft crewmember, said storage box further comprising signaling means (19) activable upon occurrence in the aircraft of a triggering event to help said aircraft crewmember distinguish said stora e box from its environment.
A breathing mask (1) for aircraft crewmember or passenger comprises a rigid portion (3) to be fit against the face of an user, said rigid portion comprising elements to bring a breathable gas to the user. The breathing mask further comprises an extensible harness (4) having end portions (5) connected to said rigid portion and including an inflatable element (6) connected to a source (7) of pressurized gas through a manually operable valve which delivers the pressurized gas to the inflatable element for extending the harness when actuated, and which reduces the pressure in said inflatable element to retract the harness and to cause the rigid portion to engage the face of the user when released. The source of pressurized gas is an autonomous container (6) rigidly fixed to the rigid portion and containing the pressurized gas.
The invention relates to a respiratory gas supply circuit (1) for an aircraft carrying passengers and crewmembers (30), comprising a source of breathable gas (R1 , R2), at least one supply line (2) connected to said pressurized source, a regulating device (12) provided on said supply line for controlling the supply of breathable gas, a mixing device (9) provided on said supply line, said mixing device further comprising an ambient air inlet (10) for mixing said ambient air with said breathable gas to provide to at least one passenger or crewmember a respiratory gas corresponding to a mixture of said breathable gas and ambient air, wherein said regulating device is driven by a control signal (F1O2R) function at least of the breathable gas content (F1O2) in said respiratory gas.
The invention relates to a respiratory gas supply circuit (1) for an aircraft carrying passengers and crewmembers (30), comprising a source of breathable gas (R1, R2), at least one supply line (2) connected to said pressurized source, a regulating device (12) provided on said supply line for controlling the supply of breathable gas, a mixing device (9) provided on said supply line, said mixing device further comprising an ambient air inlet (10) for mixing said ambient air with said breathable gas to provide to at least one passenger or crewmember a respiratory gas corresponding to a mixture of said breathable gas and ambient air, wherein said regulating device is driven by a control signal (FIO2R) function at least of the arterial blood oxygen saturation (SaO2) measured on said at least one passenger or crewmember.
brevets