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 washing fluid spray device for a wiper arm for a system for wiping a window of a motor vehicle is disclosed. The device includes a cowling intended to cover a support yoke of a wiper arm and also a washing fluid spray nozzle that is held in a removable manner by the cowling.

Abstract: The invention concerns a detection system (1) intended to equip a motor vehicle. This detection system (1) comprises at least one optical sensor (2) delimited by at least one optical surface (20), the shape and orientation of which define a detection field (21) of the optical sensor (2), and at least one cleaning device (3) for cleaning this optical surface (20). The cleaning device (3) comprises a delivery ramp (4) for delivering at least one cleaning and/or drying fluid, said delivery ramp (4) being movable, relative to the optical surface (20), between a first so-called rest position in which it does not deliver any fluid and a second position. According to the invention, in each position of the movement of same between the first and second positions, the delivery ramp (4) is situated outside the detection field (21) of the optical sensor (2).

Abstract: A driver for retaining a windscreen washer liquid pipe includes an orifice arranged to receive a rotation shaft, an outer contour when the driver is observed along the rotation axis, and a housing arranged to receive a curved portion of the windscreen washer liquid pipe around the orifice. The rotation shaft is rotated about a rotation axis. The housing is arranged so that, when the driver is Observed along the rotation axis and when the windscreen washer liquid pipe is installed on the driver, the curved portion of the windscreen washer liquid pipe is set back from the outer contour of the driver.

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, 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 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 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 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 subject of the device is a retaining device (1) for retaining a windscreen washer liquid pipe (2), the device comprising: the pipe (2), a driver (10) comprising an orifice (11) arranged to receive a rotation shaft, this shaft being rotated about a rotation axis (X), the driver (10) having an outer contour (13) when this driver (10) is observed along the rotation axis (X), optionally a cap, notably fitted to the driver, characterized in that at least one of the driver (10) and of the optional cap comprises a housing (30) arranged to receive at least partly the pipe (2) in the following configuration: the pipe (2) comprises a curved portion (12) around the orifice (11), when the device is observed along the rotation axis (X) with the cap assembled on the driver (10), the curved portion (12) of the pipe (2) is set back from the outer contour (13) of the driver (10).

Abstract: A turbine or compressor stage for a turbine engine is provided. The stage includes a disk including a metal material configured to be coupled to a shaft of the turbine engine, an airfoil including a ceramic matrix composite material, and an interface part that is distinct from the airfoil and that is configured to be fastened to the disk and to fasten the airfoil. The interface part includes a ceramic or a ceramic matrix composite material.

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: The invention relates to a bearing of a window wiper system (7) comprising a tube (9) for bearing a winder wiper blade driving shaft (11), the tube (9) having a protuberance (15) for cooperating with a supporting element in the form of a hollow rod (5), characterised in that the protuberance (15) has a collar (25) arranged at a distance from the tube (9).

Abstract: A driver for retaining a windscreen washer liquid pipe includes an orifice arranged to receive a rotation shaft, an outer contour when the driver is observed along the rotation axis, and a housing arranged to receive a curved portion of the windscreen washer liquid pipe around the orifice. The rotation shaft is rotated about a rotation axis. The housing is arranged so that, when the driver is Observed along the rotation axis and when the windscreen washer liquid pipe is installed on the driver, the curved portion of the windscreen washer liquid pipe is set back from the outer contour of the driver.

Abstract: A washing fluid spray device for a wiper arm for a system for wiping a window of a motor vehicle is disclosed. The device includes a cowling intended to cover a support yoke of a wiper arm and also a washing fluid spray nozzle that is held in a removable manner by the cowling.

Abstract: A turbine or compressor stage suitable for being included in airplane turbojets. According to the invention, the stage comprises a disk (30) configured to be coupled to a shaft of the turbine engine, and at least one airfoil (20), the disk (30) comprising a metal material, the airfoil (20) comprising a ceramic matrix composite material, and the stage further including an interface part (40) that is distinct from the airfoil (20) and that is configured to be fastened to the disk (30) and to fasten said at least one airfoil (20), said interface part (40) comprising a ceramic or a ceramic matrix composite material.

Abstract: The subject of the device is a retaining device (1) for retaining a windscreen washer liquid pipe (2), the device comprising: the pipe (2), a driver (10) comprising an orifice (11) arranged to receive a rotation shaft, this shaft being rotated about a rotation axis (X), the driver (10) having an outer contour (13) when this driver (10) is observed along the rotation axis (X), optionally a cap, notably fitted to the driver, characterized in that at least one of the driver (10) and of the optional cap comprises a housing (30) arranged to receive at least partly the pipe (2) in the following configuration: the pipe (2) comprises a curved portion (12) around the orifice (11), when the device is observed along the rotation axis (X) with the cap assembled on the driver (10), the curved portion (12) of the pipe (2) is set back from the outer contour (13) of the driver (10).

Abstract: A high-speed arc terminator for an electrical power distribution system includes a sealed, evacuated housing, and a controllable mechanical switch having first and second electrically conductive contacts enclosed within the housing and adapted to be coupled to the power distribution system outside the housing. A trigger conductor extends into the housing and has an exposed end near the gap between the contacts when the contacts are in the open position. At least one of the contacts is movable between an open position in which the contacts are separated by a gap, and a closed position in which the contacts engage each other, and an operating mechanism is provided for moving the at least one contact between the open and closed positions. A high voltage source is controllably coupled to the trigger conductor for supplying a high-voltage pulse to the trigger conductor in response to the detection of an arcing fault.

Abstract: A high-speed arc terminator for an electrical power distribution system includes a sealed, evacuated housing, and a controllable mechanical switch having first and second electrically conductive contacts enclosed within the housing and adapted to be coupled to the power distribution system outside the housing. A trigger conductor extends into the housing and has an exposed end near the gap between the contacts when the contacts are in the open position. At least one of the contacts is movable between an open position in which the contacts are separated by a gap, and a closed position in which the contacts engage each other, and an operating mechanism is provided for moving the at least one contact between the open and closed positions. A high voltage source is controllably coupled to the trigger conductor for supplying a high-voltage pulse to the trigger conductor in response to the detection of an arcing fault.

Abstract: When cold and in the uncoated state, the aerodynamic airfoil is substantially identical to a nominal airfoil determined by the Cartesian coordinates X, Y, Z? given in Table 1, in which the coordinate Z? is the ratio D/H where D is the distance from the point in question to a reference plane P0, located at the base of the nominal airfoil, and H is the height of this airfoil, measured from said reference plane up to the tip of the blade. The D and H measurements being taken radially with respect to the axis of the turbine whereas the X coordinate is measured in the axial direction of the turbine.