Abstract: An aeronautical thruster having a longitudinal axis and having a hub and at least two annular rows of unducted blades including an upstream annular row and a downstream annular row which are spaced apart from one another along the longitudinal axis, the upstream annular row being rotatable around the longitudinal axis, and the downstream annular row comprising a series of blades including a first blade and a second blade each extending in a radial direction from the hub to define a radial dimension between the hub and a radially outer end of the corresponding blade, wherein the radial dimension of the first blade is greater than the radial dimension of the second blade.

Abstract: A protective hood for surgical use, apt to be worn, in sterile form, by an operator over an instrumented helmet, is provided. The hood includes a front vision lens and an enveloping main body fixed to the vision lens, configured to cover wholly the operator's head and neck and an upper part of the chest. The enveloping main body has a front portion and a rear portion connected and made integral by means of two opposite side portions, wherein the rear portion has a pair of lateral strings arranged on opposite sides with respect to a sagittal plane of the operator and which extend, in use, laterally outside, which strings are grasped by the operator during wearing in order to ease unwinding the hood.

Abstract: A protection circuit for a simulated battery cell having an output comprising an output voltage includes: at least one MOSFET connected to the output of the simulated battery cell for short-circuiting the output of the simulated battery cell; a capacitor connected to a gate electrode of the at least one MOSFET; an overvoltage detection device configured to charge the capacitor with the output voltage based on an overvoltage limit of the output voltage being exceeded; and a threshold voltage detection device configured to release the gate electrode based on a threshold value of a voltage at the capacitor not being reached.

Abstract: A battery simulator comprising a first electrical circuit for providing a first cell voltage for simulating the electrical voltage of a first battery cell and a second electrical circuit for providing a second cell voltage for simulating the electrical voltage of a second battery cell. The first cell voltage is connected to a local circuit ground and the second cell voltage is connected to the same local circuit ground and connected in series to the first cell voltage in such a way that the local circuit ground forms a pole of the first cell voltage and the second cell voltage. A control electronics is set up to regulate the first cell voltage and the second cell voltage. A saving in components results from the control of two cell voltages by a single control electronics.

Abstract: A method for inputting and/or outputting signals having a selectable sample rate in a time-synchronized manner on a group of input and/or output channels of an electronic circuit includes: configuring each channel of the group at a standard sample period; synchronously initiating all the channels of the group at the standard sample period; detecting an entry for a modified sample period TPeriod of a first channel of the group; detecting a current counter value TCounter; configuring the first channel at the modified sample period; establishing a waiting time of TWaiting clocks in accordance with TWaiting=TPeriod?mod(TCounter, TPeriod), where mod (TCounter, TPeriod) denotes the division remainder from the current counter value TCounter and the modified sample period TPeriod; and initiating the first channel after the waiting time TWaiting.

Abstract: An electronic circuit for uniform distribution of a current includes: a first MOSFET and a second MOSFET, wherein the first MOSFET and the second MOSFET are connected in parallel in order to distribute a current applied to an input terminal, the current flowing towards an output terminal of the electronic circuit, wherein the input terminal is respectively connected to a drain terminal of the first MOSFET and to a drain terminal of the second MOSFET; and a terminal for a control voltage, wherein the control voltage is applied to a gate terminal of the first MOSFET and to a gate terminal of the second MOSFET. The first MOSFET comprises a first resistor at the gate terminal of the first MOSFET, and the second MOSFET comprises a second resistor at the gate terminal of the second MOSFET.

Abstract: An aeronautical thruster having a longitudinal axis and having a hub and at least two annular rows of unducted blades including an upstream annular row and a downstream annular row which are spaced apart from one another along the longitudinal axis, the upstream annular row being rotatable around the longitudinal axis, and the downstream annular row comprising a series of blades including a first blade and a second blade each extending in a radial direction from the hub to define a radial dimension between the hub and a radially outer end of the corresponding blade, wherein the radial dimension of the first blade is greater than the radial dimension of the second blade.

Abstract: An airflow profile structure having a leading and/or trailing edge profiled with a serrated profile having a succession of teeth and depressions. Along the leading and/or trailing edge, from a first location to a second location, the teeth of the serrated profile are individually inclined towards the second location.

Abstract: An airflow profiled structure having a profiled leading edge. The profiled leading edge having, along a leading edge line, a serrated profile line with a succession of teeth and depressions. The airflow profiled structure also includes a porous acoustically absorbent region located towards the bottom of the depressions.

Abstract: A variable pitch bladed disc including a plurality of blades, each being of variable pitch about a blade axis of rotation and having a root, the plurality of blades including at least one first blade and at least one second blade, a plurality of rotor connecting shafts, each shaft having a root and a tip, the root of each blade being mounted on the tip of a corresponding rotor connecting shaft via a pivot so as to allow each blade to be rotated about the blade axis of rotation, the first blade having a first rotation axis inclination such that the rotation axis thereof is inclined in a fixed manner with respect to a radial axis passing through the root of the corresponding shaft, and the second blade has a second rotation axis inclination different from the first rotation axis inclination.

Abstract: A turbomachine includes a rotor and a stator, the stator having a plurality of profiled structures, each profiled structure being elongated in a direction of elongation in which the profiled structure has a length exposed to an airflow, and having a leading edge and/or a trailing edge, at least one of which is profiled and has, in said direction of elongation, serrations defined by a succession of peaks and troughs and having a geometric pattern transformed, over at least a part of said length exposed to the airflow, by successive scaling, via multiplicative factors, in the direction of elongation and/or transverse to the direction of elongation. The geometric pattern, as defined with reference to a radial distribution of the integral scale of the turbulence, evolves in a non-periodic manner.

Abstract: An airflow profile structure having a leading and/or trailing edge profiled with a serrated profile having a succession of teeth and depressions. Along the leading and/or trailing edge, from a first location to a second location, the teeth of the serrated profile are individually inclined towards the second location.

Abstract: An electronic circuit for uniform distribution of a current includes: a first MOSFET and a second MOSFET, wherein the first MOSFET and the second MOSFET are connected in parallel in order to distribute a current applied to an input terminal, the current flowing towards an output terminal of the electronic circuit, wherein the input terminal is respectively connected to a drain terminal of the first MOSFET and to a drain terminal of the second MOSFET; and a terminal for a control voltage, wherein the control voltage is applied to a gate terminal of the first MOSFET and to a gate terminal of the second MOSFET. The first MOSFET comprises a first resistor at the gate terminal of the first MOSFET, and the second MOSFET comprises a second resistor at the gate terminal of the second MOSFET.

Abstract: A protection circuit for a simulated battery cell having an output comprising an output voltage includes: at least one MOSFET connected to the output of the simulated battery cell for short-circuiting the output of the simulated battery cell; a capacitor connected to a gate electrode of the at least one MOSFET; an overvoltage detection device configured to charge the capacitor with the output voltage based on an overvoltage limit of the output voltage being exceeded; and a threshold voltage detection device configured to release the gate electrode based on a threshold value of a voltage at the capacitor not being reached.

Abstract: A profiled structure for an aircraft or turbomachine is elongated in a direction in which the structure has a length exposed to an airflow and includes serrations defined by successive teeth and depressions. The serrations may be transverse to a leading edge and/or a trailing edge of the profiled structure and in the direction of elongation. Along the profiled leading edge and/or profiled trailing edge, the successive teeth and depressions may extend only over a part of the length exposed to the flow. The amplitude and/or spacing of the teeth may vary monotonically except for the few teeth nearest each end of the part, with a remaining part of the length being smooth.

Abstract: A method for inputting and/or outputting signals having a selectable sample rate in a time-synchronized manner on a group of input and/or output channels of an electronic circuit includes: configuring each channel of the group at a standard sample period; synchronously initiating all the channels of the group at the standard sample period; detecting an entry for a modified sample period TPeriod of a first channel of the group; detecting a current counter value TCounter; configuring the first channel at the modified sample period; establishing a waiting time of TWaiting clocks in accordance with TWaiting=TPeriod?mod(TCounter, TPeriod), where mod(TCounter, TPeriod) denotes the division remainder from the current counter value TCounter and the modified sample period TPeriod; and initiating the first channel after the waiting time TWaiting.

Abstract: A turbomachine includes a rotor and a stator, the stator having a plurality of profiled structures, each profiled structure being elongated in a direction of elongation in which the profiled structure has a length exposed to an airflow, and having a leading edge and/or a trailing edge, at least one of which is profiled and has, in said direction of elongation, serrations defined by a succession of peaks and troughs and having a geometric pattern transformed, over at least a part of said length exposed to the airflow, by successive scaling, via multiplicative factors, in the direction of elongation and/or transverse to the direction of elongation. The geometric pattern, as defined with reference to a radial distribution of the integral scale of the turbulence, evolves in a non-periodic manner.

Abstract: An airflow profile structure having a leading and/or trailing edge profiled with a serrated profile. The serrated profile has a succession of teeth and depressions, characterized in that, along the leading and/or trailing edge, from a first location to a second location, the teeth of the serrated profile are individually inclined towards the second location.

Abstract: A variable-pitch bladed disc including a plurality of blades, each at a variable pitch in relation to a rotation axis of the blade and each having a root, the plurality of blades including at least one first blade and at least one second blade, a plurality of rotor connecting shafts, each having a root and a tip, each root being mounted at the tip of a corresponding rotor connecting shaft by way of a pivot so as to allow each blade to rotate about the blade rotation axis, the first blade having a first blade inclination, such that the first blade is inclined in a fixed manner with respect to the blade rotation axis of the first blade, and the second blade having a second blade inclination different from the first blade inclination.

Abstract: The invention relates to a profiled structure elongated in a direction in which the structure has a length exposed to an airflow and transversely to which the structure has a leading edge and/or a trailing edge, at least one of which is profiled and has, along said direction of elongation, geometric serration patterns defined by a succession of peaks and troughs. Along the profiled leading edge and/or trailing edge, the serration patterns have a geometric pattern that is repeated in the direction of elongation, the shape of which is stretched and/or contracted transversely to the direction of elongation and/or in the direction of elongation.