Abstract: A method for manufacturing a part of SiC/SiC composite material includes the production of a fibrous preform from silicon carbide fibers; the deposition of an interphase on the fibers of the fibrous preform; a first densification including the formation of a first matrix phase by chemical vapor infiltration with a first matrix precursor including methyltrichlorosilane (MTS); a second densification including the formation of a second matrix phase by chemical vapor infiltration with a second SiC precursor different from the first precursor, the second precursor forming an SiC deposit comprising residual hydrogen and free silicon; and a third densification including the impregnation of the fibrous preform with an impregnation composition containing at least silicon so as to obtain a part made of SiC/SiC composite material.

Abstract: A method of consolidation includes placing a fibrous preform in the shaping recess of a shaping tool, and supplying the shaping tool with a gas phase to obtain a deposit in the fibrous preform, the shaping tool for the vapor phase chemical infiltration including first and second portions, having respectively first and second shaping zones surrounded by a first and second edge zones, the first and the second shaping zone defining a shaping recess to receive the fibrous preform. A gas injection port is present at least partially in the first or second edge zone and a gas outlet port is present at least partially in the first or second edge zone, the gas injection port and the gas outlet port placing the shaping recess in fluid communication with the outside of the shaping tool. Outer faces of the first and second portion are impermeable to gas.

Abstract: The present invention comprises at least one server system in communication with client systems either installed in computer systems of respective cars or installed in smart phones with GPS transceivers carried by drivers of respective cars, wherein the at least one server system is configured to detect possible traffic congestions by early detection of consistent changes in car distances.

Abstract: A roadside unit and client system thereof provide a geographically segmented communication system between client systems associated with users of the system. The communication is based on allocating visual symbols representing Roadside units in a computer-coded map served by at least one roadside server, wherein the client system is configured to communicate with a specific roadside unit when the client system is approaching the geographical position allocated to a specific Roadside unit.

Abstract: A method for manufacturing a structure by an additive manufacturing technique implementing a chemical vapor deposition assisted by focused energy radiation, includes the formation of a reinforcement which comprises a plurality of interconnected reinforcing elements made of ceramic or carbon, which define therebetween an interstitial volume having a tortuous shape along the deposition axis.

Abstract: Fire fighting system with a first feed platform arranged for feeding a pipe system having extinguishing nozzles with extinguishing fluid comprising a first sub-system with a first extinguishing fluid reservoir, at least two first propellant gas reservoirs, and a first control circuit, wherein the first propellant gas reservoirs each have a valve for pneumatically coupling the respective first propellant gas reservoir to the extinguishing fluid reservoir and the respective valves can be pneumatically activated in each case via an outlet of the respective other valve, a second sub-system having a second extinguishing fluid reservoir, at least two second propellant gas reservoirs and a second control circuit, the second propellant gas reservoirs each having a valve for pneumatically coupling the respective second propellant gas reservoir to the extinguishing fluid reservoir, and the respective valves being activatable pneumatically in each case via an outlet of the respective other valve, characterized in that t

Abstract: A method of consolidation includes placing a fibrous preform in the shaping recess of a shaping tool, and supplying the shaping tool with a gas phase to obtain a deposit in the fibrous preform, the shaping tool for the vapor phase chemical infiltration including first and second portions, having respectively first and second shaping zones surrounded by a first and second edge zones, the first and the second shaping zone defining a shaping recess to receive the fibrous preform. A gas injection port is present at least partially in the first or second edge zone and a gas outlet port is present at least partially in the first or second edge zone, the gas injection port and the gas outlet port placing the shaping recess in fluid communication with the outside of the shaping tool. Outer faces of the first and second portion are impermeable to gas.

Abstract: A method for treating an aromatic mineral oil or a mixture of aromatic mineral oil and naphthenic mineral oil, the oil or the mixture of oils being loaded with polycyclic aromatic hydrocarbons, the method including a—optional removal of polycyclic aromatic hydrocarbon s having a molecular weight greater than or equal to 200 from the aromatic mineral oil or the mixture of aromatic mineral oil and naphthenic mineral oil loaded with polycyclic aromatic hydrocarbons; b—extraction, at a pressure lower than atmospheric pressure, of polycyclic aromatic hydrocarbons having a molecular weight lower than 200 solubilised in the oil or the mixture of oils obtained in step (a); and c—recovery of the oil or the mixture of oils depleted in polycyclic aromatic hydrocarbons.

Abstract: A method for densifying one or more porous substrates with pyrolytic carbon by chemical vapour infiltration, includes admitting, at the inlet of the densification furnace, a reactive gaseous phase including at least one pyrolytic carbon precursor; reacting at least a fraction of the reactive gaseous phase with the porous substrate or substrates; extracting, at the outlet of the densification furnace, gaseous effluents originating from the reactive gaseous phase; reintroducing, with the reactive gaseous phase admitted at the inlet of the densification furnace, at least a fraction of the gaseous effluents extracted at the outlet of the furnace, wherein the fraction of the gaseous effluents introduced with the reactive gaseous phase includes at least one polyaromatic hydrocarbon compound.

Abstract: A method for densifying one or more porous substrates with pyrolytic carbon by chemical vapour infiltration, includes admitting, at the inlet of the densification furnace, a reactive gaseous phase including at least one pyrolytic carbon precursor; reacting at least a fraction of the reactive gaseous phase with the porous substrate or substrates; extracting, at the outlet of the densification furnace, gaseous effluents originating from the reactive gaseous phase; reintroducing, with the reactive gaseous phase admitted at the inlet of the densification furnace, at least a fraction of the gaseous effluents extracted at the outlet of the furnace, wherein the fraction of the gaseous effluents introduced with the reactive gaseous phase includes at least one polyaromatic hydrocarbon compound.

Abstract: A road tunnel security system includes a road security server system in communication with respective tunnel security client systems arranged and associated with respective cars. A specific tunnel security client system is configured to download a computer coded road map from the road security server system, including at least one tunnel. A first virtual gate is located in front of a first tunnel opening, and a second virtual gate is located In front of a second tunnel opening. When a car enters the tunnel, the first virtual gate submits the license number plate to the road security system, and when the car leaves the tunnel the registered license number plate is deleted on request from the second virtual gate. In this manner the road security server keep track of all cars and their license plate numbers that are inside the tunnel at any time.

Abstract: A method for densifying porous annular substrates by chemical vapor infiltration, includes providing a plurality of unit modules including a support tray on which substrates are stacked, the support tray including a gas intake opening extended by an injection tube disposed in an internal volume formed by the central passages of the stacked substrates, the injection tube including gas injection orifices opening into the internal volume, forming stacks of unit modules in the enclosure of a densification furnace and injecting, into the stacks of unit modules, a gas phase including a gas precursor of a matrix material to be deposited within the porosity of the substrates.

Abstract: A method for treating an aromatic mineral oil or a mixture of aromatic mineral oil and naphthenic mineral oil, the oil or the mixture of oils being loaded with polycyclic aromatic hydrocarbons, the method including a—optional removal of polycyclic aromatic hydrocarbon s having a molecular weight greater than or equal to 200 from the aromatic mineral oil or the mixture of aromatic mineral oil and naphthenic mineral oil loaded with polycyclic aromatic hydrocarbons; b—extraction, at a pressure lower than atmospheric pressure, of polycyclic aromatic hydrocarbons having a molecular weight lower than 200 solubilised in the oil or the mixture of oils obtained in step (a); and c—recovery of the oil or the mixture of oils depleted in polycyclic aromatic hydrocarbons.

Abstract: Fire fighting system with a first feed platform arranged for feeding a pipe system having extinguishing nozzles with extinguishing fluid comprising a first sub-system with a first extinguishing fluid reservoir, at least two first propellant gas reservoirs, and a first control circuit, wherein the first propellant gas reservoirs each have a valve for pneumatically coupling the respective first propellant gas reservoir to the extinguishing fluid reservoir and the respective valves can be pneumatically activated in each case via an outlet of the respective other valve, a second sub-system having a second extinguishing fluid reservoir, at least two second propellant gas reservoirs and a second control circuit, the second propellant gas reservoirs each having a valve for pneumatically coupling the respective second propellant gas reservoir to the extinguishing fluid reservoir, and the respective valves being activatable pneumatically in each case via an outlet of the respective other valve, characterized in that t

Abstract: A traffic navigation system includes a plurality of navigation terminals located in associated vehicles, which plurality of navigation terminals is in communication with a navigation server system. The traffic navigation system is especially related to a traffic navigation system providing dynamic traffic routing based on traffic related information received from a plurality of Road Side Units (RSUs).

Abstract: A service system includes a service provider server-system in wireless communication over a network with at least one service requesting application, wherein the requesting application is executing in a smartphone. The requesting application includes a computer coded map. The requesting application is configured, on a request by a user of the application, to request a service by transmitting a map information layer including a visual symbol located on the geographical position (GPS) of the smartphone together with an indication of the requested service to the service provider server-system.

Abstract: A tire with a sensor attachment reservoir is provided. The tire includes a pair of bead areas, a sidewall extending from each respective bead area to a tread, a carcass extending toroidally between each of the bead areas, and an innerliner disposed inwardly of the carcass. A compound ring is secured to the innerliner, and the compound ring defines a reservoir upon being secured to the innerliner. A sensor adhesive is disposed in the reservoir and a sensor is secured to the tire innerliner by the sensor adhesive. A corresponding method of attaching a sensor to a tire is also provided.

Abstract: A service system includes a service provider server-system in wireless communication over a network with at least one service requesting application, wherein the requesting application is executing in a smartphone. The requesting application includes a computer coded map. The requesting application is configured, on a request by a user of the application, to request a service by transmitting a map information layer including a visual symbol located on the geographical position (GPS) of the smartphone together with an indication of the requested service to the service provider server-system.

Abstract: A method for densifying porous annular substrates by chemical vapor infiltration, includes providing a plurality of unit modules including a support tray on which substrates are stacked, the support tray including a gas intake opening extended by an injection tube disposed in an internal volume formed by the central passages of the stacked substrates, the injection tube including gas injection orifices opening into the internal volume, forming stacks of unit modules in the enclosure of a densification furnace and injecting, into the stacks of unit modules, a gas phase including a gas precursor of a matrix material to be deposited within the porosity of the substrates.

Abstract: A road tunnel security system includes a road security server system in communication with respective tunnel security client systems arranged and associated with respective cars. A specific tunnel security client system is configured to download a computer coded road map from the road security server system, including at least one tunnel. A first virtual gate is located in front of a first tunnel opening, and a second virtual gate is located In front of a second tunnel opening. When a car enters the tunnel, the first virtual gate submits the license number plate to the road security system, and when the car leaves the tunnel the registered license number plate is deleted on request from the second virtual gate. In this manner the road security server keep track of all cars and their license plate numbers that are inside the tunnel at any time.