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Zodiac Aerotechnics patents

Recent patent applications related to Zodiac Aerotechnics. Zodiac Aerotechnics is listed as an Agent/Assignee. Note: Zodiac Aerotechnics may have other listings under different names/spellings. We're not affiliated with Zodiac Aerotechnics, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Z" | Zodiac Aerotechnics-related inventors

Method for controlling the purity/flow rate relationship of an inert gas injected into a fuel tank, an inerting system for carrying out the method

An inerting system of a fuel tank of an aircraft includes an air separation module supplied at the inlet with air at a certain pressure to generate at the outlet an inert gas to be injected into the fuel tank comprising a certain flow rate and a certain oxygen concentration. A control method includes, at a given instant and at a constant air temperature and atmospheric pressure, (1) reducing the inert gas flow rate to a determined value, and (2) reducing the air pressure in order to cause an increase in the oxygen concentration from an initial value to a determined value. ... Zodiac Aerotechnics

Autonomous aircraft fuel cell system

Embodiments of the present disclosure relate generally to systems and methods for providing improved aircraft fuel cell systems. In one embodiment, the system provides separate zones, maintaining various equipment components in separate controlled hydrogen concentration zones. ... Zodiac Aerotechnics

Method for determining the water content in the atmosphere, method for detecting icing conditions and computer programs

A method for determining the water content in the atmosphere by image processing comprises: determining the number of particles contained in a size range; measuring the mass of particles having a size in the size range from the determined number of particles; determining the number of particles having a size equal to a threshold size; evaluating the number of particles outside of the given size range from the determined number of particles and from the threshold size; estimating the mass of particles outside of the size range from the evaluated number of particles; and determining the water content by addition of the estimated mass and the measured mass.. . ... Zodiac Aerotechnics

Method for controlling a fuel tank inerting system and an inerting system for carrying out the method

A method for controlling an inerting system designed to inject a flow of inert gas into a fuel tank of an aircraft during a mission. The method includes: determining a value of a parameter of the mission of the aircraft at a given moment; determining the ratio between the determined value of the mission parameter and a value at the given moment of an equivalent parameter of a standard mission profile, and deducing a weight coefficient therefrom; using the weight coefficient to weight a value of the inert gas flow rate recommended by the standard mission profile for the value of the equivalent parameter at the given moment so that an appropriate inert gas flow rate to be injected is determined for the needs of the mission at the given moment; and commanding the inerting system to inject the inert gas flow rate determined at the given moment.. ... Zodiac Aerotechnics

Method for operating an undulating diaphragm pump and an undulating diaphragm pump operating system

The present invention relates to a method for operating an undulating diaphragm pump comprising an undulating diaphragm and actuating means of the undulating diaphragm electrically powered according to a given frequency or voltage to make the undulating diaphragm oscillate and undulate. According to the invention, the method consists in modifying the electrical supply frequency and/or voltage of the actuating means according to at least one operating parameter, determined in advance, of the undulating diaphragm pump.. ... Zodiac Aerotechnics

Method and system for inerting a fuel tank

A method for the inerting of at least one fuel tank of an aircraft, by means of at least one inert gas generation system, remarkable in that the inert gas generation system is started when at least one oxygen sensor within the tank measures an oxygen level that is above a high threshold.. . ... Zodiac Aerotechnics

Anti-overpressure fuel tank

The invention relates to a tank for receiving fuel, said tank comprising a venting system comprising a flap for closing an opening made in the tank, said flap being subjected to a float and mounted in a hinged manner in the tank so as to adopt a closed position, pushed by the float when the level of fuel in the tank reaches a certain threshold, and an open, venting position, driven by the float when the level of fuel is below said threshold. According to the invention, the flap comprises a valve controlled by means that can open the valve when the flap is in a closed position and the level of fuel is below said threshold.. ... Zodiac Aerotechnics

Aircraft fuel cell heat usages

Embodiments of the present disclosure relate generally to the use of the fuel cell systems on board aircraft and other passenger transportation vehicles and to methods of using heat, air, and water generated by such fuel cell systems. The heat may be used to address condensation within the aircraft. ... Zodiac Aerotechnics

Fuel cell devices for fire prevention on-board aircraft

Described are inerting systems that may be used on board an aircraft or other passenger transportation vehicle to reduce a risk of fire due to electronic components or to other elements in a compartment and to assist in preventing or extinguishing any fire or hazardous condition that may occur. The systems include a source of inert gas such as oxygen depleted air generated from a fuel cell on board the aircraft. ... Zodiac Aerotechnics

A stowage device of emergency equipment for aircraft crewmember

A stowage device of emergency equipment for aircraft crewmember, the stowage device comprising a housing, the housing extends along a longitudinal direction and has side walls, a back wall and an opening opposite to the back wall, the side walls and the back wall define an internal space adapted to stow a respiratory mask in a stowage position, the side walls extend along the longitudinal direction up to a front edge delimiting the opening. One of the side walls is an adjustable wall. ... Zodiac Aerotechnics

Method and system for the circulation of fuel in an aircraft

A method for the circulation of fuel in an aircraft uses at least one diaphragm pump having an undulating diaphragm that can undulate between two flanges, under the action of an actuator, for circulating the fuel between an admission line of the pump and an exhaust line of the pump.. . ... Zodiac Aerotechnics

Method of manufacturing a strainer, a strainer, and an ejector comprising such a strainer

A method for manufacturing a strainer, such as a strainer of an ejector used to transfer fuel between two tanks of an aircraft or to supply fuel to an engine is provided. The strainer includes a conduit whereof a first end is intended to be connected to an inlet of the ejector, and whereof a second end is located within a housing including an open face for the passage of fuel, the open face being closed off by a grate acting as a filter. ... Zodiac Aerotechnics

Advanced aircraft fuel tank and water detection device

An aircraft fuel tank, which includes a water sensor, arranged at the bottom of the tank and connected to a calculation and processing mechanism in order to receive a presence of water signal sent by the sensor, and to return information regarding the need, or not, to perform a fuel tank drainage operation.. . ... Zodiac Aerotechnics

Inert gas generation system, and an aircraft fuel tank inerting system implementing said inert gas generation system

An inert gas generation system from a flow of air, notably for an inerting system for at least one aircraft fuel tank. The generation system includes an air circuit having an air inlet, an inert gas outlet, and a first and a second air separation module arranged in series on the air circuit to deplete oxygen within the air and to generate a nitrogen-enriched inert gas.. ... Zodiac Aerotechnics

06/08/17 / #20170160251

Aircraft fuel tank inerting system adapted to compute the quantity of oxygen present in an inerting gas injected into said tank

An inerting system for inerting a fuel tank of an aircraft. The system includes: a sensor including a phosphorescent material, arranged in a distribution mechanism for distributing an inerting gas and in contact with the inerting gas; a light source illuminating the phosphorescent material; a measurement mechanism for measuring the phosphorescence of the phosphorescent material; and a computation mechanism for computing the quantity of oxygen present in the inerting gas as a function of the attenuation of the phosphorescence as measured that is directly related to the quantity of oxygen in the inerting gas.. ... Zodiac Aerotechnics

05/18/17 / #20170136269

Breathing system and seat for aircraft crew member or passenger

A breathing system for an aircraft crew member or passenger comprises a face-fitting device (11), storage means added to a seat headrest (100) for retaining the face-fitting device in a storage position apart from the head, and a back portion (13) for retaining the face-fitting device on the user's head when the breathing system is used. The back portion is retained on the headrest by removable fixing means (21-24) when the face-fitting device is in the storage position, and said removable fixing means are released upon tightening the face-fitting device on the user's head.. ... Zodiac Aerotechnics

04/27/17 / #20170113801

Cabin monitoring system and cabin of aircraft or spacecraft

A monitoring system to be installed in a cabin (100a-100c) of an aircraft (100) or spacecraft for passenger transportation comprises at least one imaging device and at least one output device. Information displayed by the output device comprises indication of whether a passenger seat (110) in the cabin is occupied or empty. ... Zodiac Aerotechnics

01/12/17 / #20170007859

Gas pressure reducer with electrically-powered master system

A gas pressure reducer (100) comprises a mobile element (2) arranged for driving a pressure regulating valve (5) according to a pressure force, a biasing element (3) for pushing the mobile element toward a rest position, and an electrically-powered master system which acts on the biasing element for varying a return force of said biasing element. The master system allows varying a reference pressure value for the regulation of the pressure existing at a low pressure gas outlet (1 lp). ... Zodiac Aerotechnics

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