Abstract: An airship comprises a plurality of electric power generators; a plurality of electrical buses; and a plurality of propulsion points each equipped with a propellant bundle formed from a plurality of thrusters of the electric-motor-driven propeller type. For each of the propulsion points, a thruster is electrically connected to one of the generators by way of one of the electrical buses, and another thruster of the propulsion point is electrically connected to another of the generators by way of another of the electrical buses.

Abstract: The invention relates to a stator assembly for an aircraft turbomachine extending about an axis and including: a shroud ring, a plurality of bladed ring sectors, sliding assembly allowing relative movement between the shroud ring and each of the ring sectors, the sliding assembly including two outer annular flanges which are upstream and downstream of the shroud ring, respectively, and an inner flange of each of the ring sectors which is inserted axially between the two outer flanges, wherein each of the ring sectors includes a deflector which is supported by the inner flange of the sector and extends around the upstream annular flange of the shroud ring.

Abstract: A turbine for a turbomachine has a first rotor and a second rotor configured to pivot about an axis in two opposite directions of rotation. The first rotor includes a radially outer drum from which blades extend radially inwards. The turbine has cooling means attached relative to the outer drum. The cooling means include a support plate with at least one first orifice and a calibration plate that is attached to the support plate and located radially inside the support plate. The calibration plate has at least one second calibration orifice facing the outer drum to allow the passage of cooling air radially from the outside to the inside through the first and second orifices.

Abstract: A turbine has a first rotor and a second rotor configured to pivot about a longitudinal axis (X) according to two opposite directions of rotation. The first rotor has a radially outer drum from which bladesextend radially inwards. The first rotorand the second rotor are surrounded by a stator annular part. The stator annular partdelimits, with the drum, at least one upstream annular cavityand one downstream annular cavityseparated from each other by sealing means.

Abstract: There is provided an apparatus and method, the apparatus comprising a power input and a switch isolation circuit to provide isolation between the power input and a protected switch responsive to a timing signal. The switch isolation circuit comprises a switch isolation charge store, and a buffer circuit to receive power from the switch isolation charge store and coupled between the timing signal and the protected switch. The switch isolation circuit is configured to, in response to the timing signal having the first value, operate in a powered mode in which the switch isolation charge store receives power from the power input; and, in response to the timing signal having the second value, operate in an isolation mode in which the switch isolation charge store is isolated from the power input.

Abstract: A turbine for a turbomachine has a first rotor and a second rotor configured to pivot about an axis in two opposite directions of rotation. The first rotor includes a radially outer drum from which blades extend radially inwards. The turbine has cooling means attached relative to the outer drum. The cooling means include a support plate with at least one first orifice and a calibration plate that is attached to the support plate and located radially inside the support plate. The calibration plate has at least one second calibration orifice facing the outer drum to allow the passage of cooling air radially from the outside to the inside through the first and second orifices.

Abstract: There are provided apparatuses and methods. The apparatus comprise a power input and a power output and a first isolation circuit comprising a charge store. The first isolation circuit is configured to switch between a first mode and a second mode at a switching frequency. In the first mode the charge store is coupled to the power input and is electrically isolated from an intermediate power node. In the second mode the charge store is coupled to the intermediate power node and is electrically isolated from the power input. The apparatus further comprises a second isolation circuit electrically coupled to the intermediate power node and the power output. The second isolation circuit is configured to output an output voltage at the power output. The second isolation circuit is configured to generate the output voltage by filtering the intermediate voltage signal to reduce signal components at the switching frequency.

Abstract: According to one or more embodiments disclosed herein, a coated pharmaceutical package may comprise a glass container comprising a first surface and a second surface opposite the first surface, wherein the first surface is an outer surface of the glass container, and wherein the glass container in an uncoated state has an average light transmittance in the UVB and UVC spectrum of at least 50% through a single wall of the coated package. The coated pharmaceutical package may further comprise a coating positioned over at least a portion of the first surface of the glass container, wherein the coated pharmaceutical package has an average light transmittance in the UVC spectrum of less than 50% through a single wall of the coated package.

Abstract: The invention relates to a turbine engine extending longitudinally along an X axis and including a main duct in which an air stream flows, the turbine engine including at least one upstream compressor disc, at least one downstream compressor disc and a circuit for collecting air from an air stream collected in the main duct, the air collection circuit including a radial portion in which at least one air collection tube is mounted and a longitudinal portion extending between a cylindrical body and a central bore of the downstream compressor disc. The turbine engine includes a plurality of blades extending in the longitudinal portion of the air collection circuit, configured to be rotated about the X axis, in order to rotate the collected air stream.

Abstract: The invention relates to a turbine engine extending longitudinally along an X axis and including a main duct in which an air stream flows, the turbine engine including at least one upstream compressor disc, at least one downstream compressor disc and a circuit for collecting air from an air stream collected in the main duct, the air collection circuit including a radial portion in which at least one air collection tube is mounted and a longitudinal portion extending between a cylindrical body and a central bore of the downstream compressor disc. The turbine engine includes a plurality of blades extending in the longitudinal portion of the air collection circuit, configured to be rotated about the X axis, in order to rotate the collected air stream.

Abstract: A device is used which comprises a transparent support positioned between illumination means and a camera. A frame axis is formed on a demonstration lens, for which the convex face is laid on the support. The contour (34) and the frame axis (10I) are captured, and the barycenter (B) of said contour is determined in order to place a machining adapter therein. Application to the grinding of ophthalmic lenses.

Abstract: The invention relates to a shielded double-coil multilayer assembly intended to be used in an inductive detector. This multilayer assembly comprises a plurality of stacked parallel separated layers, namely: a layer (C1) comprising a first shielding element for a first coil, a layer (C2) comprising all or part of a first coil, a layer (C3) comprising all or part of a second coil, a layer (C4) comprising a first shielding element for the second coil.

Abstract: A device is used which comprises a transparent support positioned between illumination means and a camera. A frame axis is formed on a demonstration lens, for which the convex face is laid on the support. The contour (34) and the frame axis (10I) are captured, and the barycenter (B) of said contour is determined in order to place a machining adapter therein. Application to the grinding of ophthalmic lenses.

Abstract: The invention relates to a shielded double-coil multilayer assembly intended to be used in an inductive detector. This multilayer assembly comprises a plurality of stacked parallel separated layers, namely: a layer (C1) comprising a first shielding element for a first coil, a layer (C2) comprising all or part of a first coil, a layer (C3) comprising all or part of a second coil, a layer (C4) comprising a first shielding element for the second coil.

Abstract: Improved adhesives are provided through the use of styrenic radial block copolymers, containing at least 40 wt % diblock copolymers, the adhesives have improved adhesive properties and a reduced elastic behavior under die-cutting conditions. Compared to conventional linear block copolymers of similar molecular weight, radial copolymers offer higher holding power and lower melt viscosity for the adhesive. They therefore contribute to an improved balance between processability and end-use properties.

Abstract: The invention relates to an inductive proximity detector comprising an oscillating circuit excited with resonance by a generator and comprising a detection coil sensitive to a metal target to be detected, wherein the oscillating circuit comprises a reference coil arranged to present a mutual inductance with respect to the metal target to be detected that is substantially lower than that of the detection coil with respect to the metal target, the oscillating circuit comprises a switch able to assume two positions to connect each coil alternately, the detector comprises processing means connected to the coils making it possible to determine the presence or absence of the metal target close to the detector.

Abstract: Improved adhesives are provided through the use of styrenic radial block copolymers, containing at least 40 wt % diblock copolymers, the adhesives have improved adhesive properties and a reduced elastic behavior under die-cutting conditions. Compared to conventional linear block copolymers of similar molecular weight, radial copolymers offer higher holding power and lower melt viscosity for the adhesive. They therefore contribute to an improved balance between processability and end-use properties.

Abstract: A protection part comprising at least two layers including an outer layer and an inner layer has its outer layer made of an aluminum alloy that is reinforced with particles of SiC, the SiC particle content in said alloy lying in the range 15% to 40% by weight, while the inner layer is made of an aluminum alloy that is optionally reinforced with SiC particles, the SiC particle content within the layers increasing from the inner layer towards the outer layer. The part is for use in protecting the leading edge of a blade, in particular a blade or vane in a turbomachine, a helicopter blade, or a propeller blade.

Abstract: The invention relates to an inductive proximity detector comprising an oscillating circuit (1) excited with resonance by a generator (2) and comprising a detection coil (10) sensitive to a metal target (4) to be detected, characterized in that: the oscillating circuit (1) comprises a reference coil (11) arranged to present a mutual inductance with respect to the metal target (4) to be detected that is substantially lower than that of the detection coil (10) with respect to the metal target (4), the oscillating circuit (1) comprises a switch (13) able to assume two positions to connect each coil (10, 11) alternately, the detector comprises processing means (3) connected to the coils (10, 11) making it possible to determine the presence or absence of the metal target (4) close to the detector.

Abstract: The invention relates to an endosurgical extraction bag for collecting body tissue or body fluid, with a bag main part formed from a flexible envelope, and with a first admission opening for introducing tissue or fluid into the bag main part of the bag. Arranged in the bag main part, there is an inner envelope which is connected to the main part (bag) and opens toward the first admission opening, but adjoins the bag main part sealingly in respect of the first admission opening, and which has a second admission opening at its second end remote from the first admission opening and spaced apart from an end of the bag main part remote from the first admission opening, through which second admission opening the tissue or fluid can be introduced into the bag main part.