Abstract: An aircraft propelled by at least one turbojet engine on which power can be bled or injected via a high-pressure and/or low-pressure turbine shaft and including at least one gas turbine to provide power transients, having a system for converting and transporting electrical energy wherein each of the high-pressure and/or low-pressure turbine shafts is connected to a first doubly-fed asynchronous machine delivering, a first three-phase AC voltage over an AC distribution grid and a second polyphase AC voltage for a first AC/DC bidirectional converter supplying a DC voltage over a DC distribution grid, at least one second DC/AC bidirectional converter connected to the DC distribution grid converting this DC voltage into a third polyphase AC voltage supplying at least one second doubly-fed asynchronous machine engaged with a rotation shaft of the gas turbine, the second doubly-fed asynchronous machine further delivering a fourth polyphase AC voltage over the AC distribution grid.

Abstract: Series hybrid propulsion unit including a gas turbine driving a mechanical shaft of an electric generator having n output phases and supplying an AC busbar, and a system for monitoring the speed of the gas turbine, the AC busbar supplying a plurality of AC distribution channels each composed of an electric rectifier and a battery sharing the power required to supply a DC bus, the DC bus in turn supplying a plurality of propulsion sub-channels composed of electric inverters supplying, under the monitoring of a control module, motors driving thrusters, further including a battery charger for charging the battery from the DC bus, a power management module delivering a power reference for the electric generator, and a hybridization rate management module monitoring the voltage of the DC bus, the battery being directly connected on the DC bus via a passive component and the electric rectifier being a passive converter.

Abstract: A method may comprise attaching a spool support frame to a forward bogie and an aft bogie, lifting the cargo, supported by a spool support frame with a forward hydraulic arm and an aft hydraulic arm. A transportation system may comprise a forward bogie, an aft bogie, and a spool support frame. The forward bogie may include a plurality of axel groups configured to operate independently of each other, a forward arm attached to the forward bogie through a swivel connection, and a forward hydraulic arm attached to the forward arm through a rod. The aft bogie may include a plurality of aft axel groups configured to operate independently of each other, an aft arm attached to the aft bogie through an aft swivel connection, and an aft hydraulic arm attached to the aft arm through an aft rod.

Abstract: Electrical power generation system for an aircraft, including: a gas turbine having a high-pressure shaft and outputting a gas flow to actuate a free turbine, a polyphase permanent magnet generator coupled to the gas turbine and able to output a first alternating voltage for supplying through first conversion means a primary power supply network of the aircraft, the free turbine and the permanent magnet generator being mounted on the same drive shaft concentric with the high-pressure shaft of the gas turbine, a starter mounted on the high-pressure shaft able to ensure the starting of the gas turbine, the starter being a permanent magnet starter/generator able to output a second alternating voltage for supplying a secondary power supply network of the aircraft and auxiliary equipment of the gas turbine and the first conversion means include two first AC/DC converters controlled from a management unit.

Abstract: A system for supplying electrical energy to at least one electrical load of an aircraft, this system including a main source of electrical energy connected to at least one electrical load through an electrical network, the system including a control device connected to the main source of electrical energy and configured to deliver a variable voltage level on the electrical network based on a predetermined voltage variation law depending on at least one parameter characterizing the altitude of the aircraft and according to the Paschen law with a predefined margin.

Abstract: An aircraft propelled by at least one turbojet engine on which power can be bled or injected via a high-pressure and/or low-pressure turbine shaft and including at least one gas turbine to provide power transients, having a system for converting and transporting electrical energy wherein each of the high-pressure and/or low-pressure turbine shafts is connected to a first doubly-fed asynchronous machine delivering, a first three-phase AC voltage over an AC distribution grid and a second polyphase AC voltage for a first AC/DC bidirectional converter supplying a DC voltage over a DC distribution grid, at least one second DC/AC bidirectional converter connected to the DC distribution grid converting this DC voltage into a third polyphase AC voltage supplying at least one second doubly-fed asynchronous machine engaged with a rotation shaft of the gas turbine, the second doubly-fed asynchronous machine further delivering a fourth polyphase AC voltage over the AC distribution grid.

Abstract: A system for supplying electrical energy to at least one electrical load of an aircraft, this system including a main source of electrical energy connected to at least one electrical load through an electrical network, the system including a control device connected to the main source of electrical energy and configured to deliver a variable voltage level on the electrical network based on a predetermined voltage variation law depending on at least one parameter characterizing the altitude of the aircraft and according to the Paschen law with a predefined margin.

Abstract: Series hybrid propulsion unit including a gas turbine driving a mechanical shaft of an electric generator having n output phases and supplying an AC busbar, and a system for monitoring the speed of the gas turbine, the AC busbar supplying a plurality of AC distribution channels each composed of an electric rectifier and a battery sharing the power required to supply a DC bus, the DC bus in turn supplying a plurality of propulsion sub-channels composed of electric inverters supplying, under the monitoring of a control module, motors driving thrusters, further including a battery charger for charging the battery from the DC bus, a power management module delivering a power reference for the electric generator, and a hybridization rate management module monitoring the voltage of the DC bus, the battery being directly connected on the DC bus via a passive component and the electric rectifier being a passive converter.

Abstract: Electrical power generation system for an aircraft, including: a gas turbine having a high-pressure shaft and outputting a gas flow to actuate a free turbine, a polyphase permanent magnet generator coupled to the gas turbine and able to output a first alternating voltage for supplying through first conversion means a primary power supply network of the aircraft, the free turbine and the permanent magnet generator being mounted on the same drive shaft concentric with the high-pressure shaft of the gas turbine, a starter mounted on the high-pressure shaft able to ensure the starting of the gas turbine, the starter being a permanent magnet starter/generator able to output a second alternating voltage for supplying a secondary power supply network of the aircraft and auxiliary equipment of the gas turbine and the first conversion means include two first AC/DC converters controlled from a management unit.

Abstract: A method may comprise attaching a spool support frame to a forward bogie and an aft bogie, lifting the cargo, supported by a spool support frame with a forward hydraulic arm and an aft hydraulic arm. A transportation system may comprise a forward bogie, an aft bogie, and a spool support frame. The forward bogie may include a plurality of axel groups configured to operate independently of each other, a forward arm attached to the forward bogie through a swivel connection, and a forward hydraulic arm attached to the forward arm through a rod. The aft bogie may include a plurality of aft axel groups configured to operate independently of each other, an aft arm attached to the aft bogie through an aft swivel connection, and an aft hydraulic arm attached to the aft arm through an aft rod.

Abstract: A pot for use with system for controlling soil moisture in a plurality of potted plants to perform water deficit experiments includes a body portion having an open top end and a bottom end, and a flange coupled to the body portion adjacent the top end. The flange is configured to engage a platform to hold the body portion within an opening of the platform. The pot also includes a fluid reservoir having a bottom portion located adjacent the bottom end of the body portion, a plurality of vertically extending fluid channels extending upwardly toward the top end of the body portion, a fill opening located at the bottom end of the body portion in communication with the bottom portion of the fluid reservoir, and a check valve coupled to the fill opening to permit fluid to be supplied to the fluid reservoir from the bottom end of the body portion through fill opening and the check valve.

Abstract: A method for controlling soil moisture to perform water deficit experiments on a plurality of plants located in soil contained within a plurality of pots supported in a plurality of openings of a stationary platform includes lifting the plurality of pots with a plurality of load cell modules and weighing each of the plurality of pots with the load cell modules. The method also includes determining whether each pot needs to be watered based on the weight of the pot and the water deficit experiment, watering the pots through the load cell modules, if necessary, and lowering the plurality of load cell modules so that the plurality of pots are supported by the platform.

Abstract: A device for transmitting energy comprises: a wall separating two media; and at least one conductive element passing through the wall, the conductive element comprising an energetically conductive material extending in a longitudinal direction. The conductive element is joined to the wall and comprises a hole passing through the wall and extending in a direction substantially parallel to the longitudinal direction on either side of the surfaces of the wall, over respective lengths that are larger than or equal to the largest dimension of a cross section of the conductive element considered level with the wall, the maximum ratio of the area of the cross section of the conductive element with the hole to the area of the cross section of the conductive element without the hole level with the wall being higher than or equal to a threshold comprised between 0.85 and 0.95.

Abstract: A device for transmitting energy comprises: a wall separating two media; and at least one conductive element passing through the wall, the conductive element comprising an energetically conductive material extending in a longitudinal direction. The conductive element is joined to the wall and comprises a hole passing through the wall and extending in a direction substantially parallel to the longitudinal direction on either side of the surfaces of the wall, over respective lengths that are larger than or equal to the largest dimension of a cross section of the conductive element considered level with the wall, the maximum ratio of the area of the cross section of the conductive element with the hole to the area of the cross section of the conductive element without the hole level with the wall being higher than or equal to a threshold comprised between 0.85 and 0.95.

Abstract: A method for controlling soil moisture to perform water deficit experiments on a plurality of plants located in soil contained within a plurality of pots supported in a plurality of openings of a stationary platform includes lifting the plurality of pots with a plurality of load cell modules and weighing each of the plurality of pots with the load cell modules. The method also includes determining whether each pot needs to be watered based on the weight of the pot and the water deficit experiment, watering the pots through the load cell modules, if necessary, and lowering the plurality of load cell modules so that the plurality of pots are supported by the platform.

Abstract: A pot for use with system for controlling soil moisture in a plurality of potted plants to perform water deficit experiments includes a body portion having an open top end and a bottom end, and a flange coupled to the body portion adjacent the top end. The flange is configured to engage a platform to hold the body portion within an opening of the platform. The pot also includes a fluid reservoir having a bottom portion located adjacent the bottom end of the body portion, a plurality of vertically extending fluid channels extending upwardly toward the top end of the body portion, a fill opening located at the bottom end of the body portion in communication with the bottom portion of the fluid reservoir, and a check valve coupled to the fill opening to permit fluid to be supplied to the fluid reservoir from the bottom end of the body portion through fill opening and the check valve.

Abstract: An automated gravimetric screening system and method controls soil moisture in a plurality of potted plants to perform water deficit experiments in a greenhouse using a stationary support platform and pot design that maintains the plants in a static location during the testing. By weighing and re-watering the pots from beneath the platform, the present system and method permits an upper gantry to capture high resolution images, temperature data, or other sensor data to quantify the plant stress level or plant canopy characteristics during the experiment.

Abstract: An automated gravimetric screening system and method controls soil moisture in a plurality of potted plants to perform water deficit experiments in a greenhouse using a stationary support platform and pot design that maintains the plants in a static location during the testing. By weighing and re-watering the pots from beneath the platform, the present system and method permits an upper gantry to capture high resolution images, temperature data, or other sensor data to quantify the plant stress level or plant canopy characteristics during the experiment.

Abstract: A communication technique includes broadcasting a signal that indicates at least a plurality of protocols supported by the device that broadcasts the signal. In a disclosed example, the device that broadcasts the signal is also capable of receiving broadcast signals from other devices. In one example, the broadcasting device is a mobile station while in another example the broadcasting device is a base station. Devices that receive the broadcast signal can then establish a communication connection using one of the indicated protocols when desired. Disclosed examples include broadcast signals indicating available protocols for mobile station-to-mobile station communications, base station-to-base station communications and communications between mobile stations and base stations.

Abstract: A sealable sterilising material for packaging medical devices requiring sterilization, has an average burst strength not less than 200 kPa measured according to ISO 2758 standard, an average tear strength not less than 300 mN measured according to the European standard 21974, an average impact strength not less than 0.4 J measured according to the ASTM standard and a bacterial filtering efficiency (BFE) not less than 85%, with a basic weight ranging between 40 and 250 g/m2, preferably between 90 and 250 g/m2, measured according to the ISO 536 standard and includes at least two sterilising packaging sheets (F1) and (F2), one of them at least being sealable directly or after being coated with a sealing product. The sheets are bound irreversibly together by one of their surfaces. The invention also concerns a package made from the material.