Abstract: A switching system for switching an electrical device, comprising: a vacuum interrupter including a fixed electrode, and a mobile electrode, the mobile electrode configured to move between a closed position and an open position. The switching system further comprising an elastic return means configured to apply a driving force to the mobile electrode, and a retaining member for retaining the elastic return means, the retaining member configured to move from a retention configuration, in which the elastic return means is immobilized, into a movement configuration, in which the elastic return means is released. The switching system is configured so that the mobile electrode moves from the closed position to the open position under the action of the elastic return means when the retaining member leaves its retention configuration.

Abstract: A device for switching a medium-voltage electrical circuit, including: a vacuum interrupter including a mobile electrode, an actuating lever linked to the mobile electrode and mobile between an opening position and a closing position, an insulator linked to the actuating lever, a control fitting secured to the mobile electrode, and an elastic return, for example, a spring, exerting a return force between the control fitting and the insulator, wherein a travel of displacement of the actuating lever is greater than the opening distance such that the control fitting is distanced from the insulator when the actuating lever is in the closing position. The switching device further including an indicator stem secured to the control fitting, which is configured to extend at least partly out of the insulator when the actuating lever is in the closing position.

Abstract: A device for switching a medium-voltage electrical circuit, including: a vacuum interrupter including a mobile electrode, an actuating lever linked to the mobile electrode and mobile between an opening position and a closing position, an insulator linked to the actuating lever, a control fitting secured to the mobile electrode, and an elastic return means, exerting a return force between the control fitting and the insulator, wherein a travel of displacement of the actuating lever is greater than the opening distance such that the control fitting is distanced from the insulator when the actuating lever is in the closing position. The switching device including an indicator stem secured to the control fitting, which is configured to extend at least partly out of the insulator when the actuating lever is in the closing position.

Abstract: A component includes a substrate at least a portion of which adjacent to a surface of the substrate is made of a material including silicon; a bond coat located on the surface of the substrate and including silicon, an environmental barrier which includes an outer layer of ceramic material covering the bond coat, wherein the environmental barrier further includes a self-healing inner layer located between the bond coat and the outer layer, the inner layer including a matrix in which silico-forming particles are dispersed, these particles being capable of generating a matrix crack healing phase in the presence of oxygen.

Abstract: The invention relates to a cleaning device intended for spraying at least one fluid onto a surface to be cleaned of a motor vehicle, such as an optical sensor of an optical detection system, which comprises at least one conveyor body (8) inside of which a distribution duct (11) is arranged and which includes, at the terminal distribution portion (36) thereof, a fluid distribution element (9) in which at least one cleaning fluid spray nozzle (10) is formed, the distribution element (9) including a distribution channel (12) in fluid connection with the distribution duct (11) arranged in the conveyor body (8) and with the spray nozzle (10). According to the invention, the cleaning fluid distribution element (9) is made up of two portions (16, 17): a first portion (16) including a base (16a) of the distribution element (9) attached to the conveyor body (8) and a second portion (17) including a cover (17a) urged against the first portion (16).

Abstract: A switching system for switching an electrical device, comprising: a vacuum interrupter including a fixed electrode, and a mobile electrode, the mobile electrode configured to move between a closed position and an open position. The switching system further comprising an elastic return means configured to apply a driving force to the mobile electrode, and a retaining member for retaining the elastic return means, the retaining member configured to moves from a retention configuration, in which the elastic return means is immobilized, into a movement configuration, in which the elastic return means is released. The switching system is configured so that the mobile electrode moves from the closed position to the open position under the action of the elastic return means when the retaining member leaves its retention configuration.

Abstract: The invention relates to a part made of silicon-based ceramic material or silicon-based ceramic matrix composite (CMC) material comprising an environmental barrier coating (EBC), said coating (12, 13) comprising a bonding layer (12) deposited on the surface of the ceramic material or ceramic matrix composite (CMC), said bonding layer (12) being topped by one or more layers together forming a multifunctional barrier structure (13), characterised in that the bonding layer (12) has at its interface with the multifunctional structure a polycrystalline silica layer (12) or sub-layer (12b).

Abstract: A cleaning device (100), intended to spray at least one fluid towards a surface to be cleaned of a motor vehicle, such as an optical surface of a sensor of an optical detection system, said cleaning device comprising at least one conveying body (1) and a delivery ramp (2) for delivering one or more cleaning and/or drying fluids, and attachment means (101) for attaching a connecting portion (20) of the delivery ramp (2) to an end of the conveying body (1). The attachment means (101) comprise an elastic interlocking assembly (102) and a foolproofing assembly (103) formed respectively by elements carried by the conveying body (1) and complementary elements.

Abstract: A nozzle for spraying (20) a fluid, suitable for being arranged on a body of a cleaning device of an optical detection system mounted on a motor vehicle, comprises an internal distribution duct which extends between a proximal end, suitable for being fluidly connected to a fluid distribution channel arranged in the body, and a distal end (38) forming a fluid outlet orifice, the distribution duct being defined at least by a back wall and two opposite lateral walls (64), the nozzle further comprising a ramp (70) arranged on the path of the fluid at the outlet orifice. The lateral walls (64) are arranged at the distal end (38) of the distribution duct so as to be distanced from one another, the distribution duct flaring in the direction of the ramp (70).

Abstract: A detection system (1) intended to equip a motor vehicle comprises at least one optical sensor (2) delimited by at least one curved optical surface (20). It also comprises at least one cleaning device (3) for cleaning the optical surface (20) that comprises a delivery ramp (4) for delivering at least one cleaning and/or drying fluid. According to the invention, the delivery ramp (4) has a curved shape, the curvature (C?) of which is substantially equal to the curvature (C) of at least a portion (201, 202) of the optical surface (20).

Abstract: A telescopic cleaning device, for a glass surface to be cleaned of a motor vehicle, includes at least one hollow conveying body (5) for the cleaning fluid, closed at an upstream end by an inlet flange (12) and accommodating a movable piston (8) which is configured so as to slide in said hollow conveying body (5). The hollow conveying body additionally accommodates a rod (14) which extends jutting out from the inlet flange and around which the movable piston is capable of sliding, the movable piston and the rod being configured so as to allow the fluid to flow between them from the inlet flange to the distribution element. A heating element (22) is arranged on the rod (14), between said rod and the movable piston (8), such that the fluid flowing between the rod and the movable piston is set to flow in contact with the heating element (22).

Abstract: A cleaning device (100), intended to spray at least one fluid towards a surface to be cleaned of a motor vehicle, such as an optical surface of a sensor of an optical detection system, said cleaning device comprising at least one conveying body (1) and a delivery ramp (2) for delivering one or more cleaning and/or drying fluids, and attachment means (101) for attaching a connecting portion (20) of the delivery ramp (2) to an end of the conveying body (1).

Abstract: The invention relates to a telescopic cleaning device intended to spray at least a first fluid and at least a second fluid toward an exterior surface of a motor vehicle's sensor/emitter, the telescopic cleaning device including at least a first distribution orifice for a first fluid and at least a second distribution orifice for a second fluid, the telescopic cleaning device being configured to deploy along a deployment (D) axis where the first distribution orifice and the second distribution orifice are offset from one another along the cleaning device's axis of deployment (D).

Abstract: In a device (100) for rapid fixing of a cleaning and/or drying fluid transporting body (6) of a telescopic cleaning device (3) on a support plate (8) for an optical sensor (2) of an optical detection system of a motor vehicle (1), the support plate (8) includes a positioning and orientating interface (12) for a first end (14) of the fluid transporting body (6) and a second locking interface (13, 13?) for a second end (15) of the fluid transporting body (6).

Abstract: A telescopic cleaning device is intended for projecting at least one cleaning and/or drying fluid onto a glass surface to be cleaned of a motor vehicle, such as an optical surface of an optical sensor of an optical detection system. The cleaning device includes at least one fluid distribution element, rendered movable, along an axis of elongation (X) and at the end of a movable piston between a retracted first position and an extended second position for cleaning and/or drying. The fluid distribution element comprises a distribution bar (4) inside which a fluid distribution channel (56) extends and the distribution bar is equipped with a heating device (60) integrated at least in part into the distribution bar in order to heat the fluid passing through said distribution channel.

Abstract: A telescopic cleaning device, for a glass surface to be cleaned of a motor vehicle, includes at least one hollow conveying body (5) for the cleaning fluid, closed at an upstream end by an inlet flange (12) and accommodating a movable piston (8) which is configured so as to slide in said hollow conveying body (5). The hollow conveying body (5) additionally accommodates a rod (14) which extends jutting out from the inlet flange and around which the movable piston is capable of sliding, the movable piston and/or the rod being configured so as to allow the fluid to flow between them from the inlet flange to the distribution element. The rod comprises a heating device (22), which comprises at least one heating element (24) extending in the interior of a heat conducting tube (26), along the axis of elongation (X) of the device.

Abstract: A component includes a substrate at least a portion of which adjacent to a surface of the substrate is made of a material including silicon; a bond coat located on the surface of the substrate and including silicon, an environmental barrier which includes an outer layer of ceramic material covering the bond coat, wherein the environmental barrier further includes a self-healing inner layer located between the bond coat and the outer layer, the inner layer including a matrix in which silico-forming particles are dispersed, these particles being capable of generating a matrix crack healing phase in the presence of oxygen.

Abstract: A turbine blade including a root bearing an aerofoil extending in a direction of span and ending in a tip, this aerofoil including a leading edge and a trailing edge which are connected by a pressure face wall and a suction face wall, the trailing edge including on the pressure face side cooling slots. The trailing edge includes one or more first slots close to the root, which are supplied via a lower cavity; one or more last slots near the tip which are supplied via an upper cavity; intermediate slots situated between the first slots and the last slots supplied with air via a downstream line set; and wherein the lower cavities and upper cavities and the downstream line set are supplied distinctly at the level of the root.

Abstract: The invention relates to a window-wiper spray nozzle (350) for a vehicle, especially a motor vehicle, comprising first detachable mounting means designed to cooperate with second mounting means of a support (390) for mounting said spray nozzle, the spray nozzle comprising at least one actuating means (370), such as a push-button, independent from said mounting means and designed to release the spray nozzle from the mounting support and thereby allow the spray nozzle to be dismounted from the mounting support.

Abstract: A detection system (1) intended to equip a motor vehicle comprises at least one optical sensor (2) delimited by at least one curved optical surface (20). It also comprises at least one cleaning device (3) for cleaning the optical surface (20) that comprises a delivery ramp (4) for delivering at least one cleaning and/or drying fluid. According to the invention, the delivery ramp (4) has a curved shape, the curvature (C?) of which is substantially equal to the curvature (C) of at least a portion (201, 202) of the optical surface (20).