Ex Materia

The disclosed technology is a construction machine (1) able to translate according to a longitudinal axis (X1) with respect to a reference plane (P1), comprising a base (9), an active member (11) and a first rotary actuator (110) having two ends, a first end being rigidly fixed to the base (9) and a second end being rigidly fixed to the active member (11), the second end being mobile in rotation about a first rotation axis parallel to the longitudinal axis (X1) with respect to the first end, wherein the first rotary actuator is an electrical rotary actuator comprising an electric motor intended to be supplied in electrical power and deliver a rotational force to the active member (11) in a first rotational direction and a second, opposite the first, rotational direction, about the first rotation axis depending on a command provided by a control unit to the first rotary actuator.

The disclosed technology concerns a method for providing a liquid solution from a liquid solution tank at a target pressure to an injector fluidically connected to a pump via a supply line, the pump being fluidically connected to the liquid solution tank, comprising the steps of:- Running (110) the pump at a first predefined speed;- After a first duration, measuring (120) the pressure of the liquid solution in the supply line;- If the measured pressure is lower than a threshold pressure lower than the target pressure, running (140) the pump at a second predefined speed lower than the first predefined speed;- If the measured pressure is greater than or equal to the threshold pressure, measuring (150) the pressure of the liquid solution in the supply line after a second duration;- If the measured pressure after the second duration is lower than the target pressure, stop (170) running the pump.

The disclosed technology concerns a method to shut down an internal combustion engine further to a shutdown signal, said internal combustion engine comprising at least one exhaust valve configured to evacuate exhaust gas from the combustion and a compression brake device configured to open said exhaust valve when activated, and an oil circuit fluidically connected to the exhaust valve to provide oil at a predefined oil pressure, said method comprising the steps of, after receiving (100) the shutdown signal by the control unit: - if the oil pressure (Poil) is greater than or equal to a pressure threshold (Pth), activating the compression brake device (110) during the compression stroke, - if the oil pressure is lower than the pressure threshold, increasing (120) the oil pressure to the pressure threshold and activating the compression brake device during the compression stroke once the oil pressure has reached the pressure threshold.

The disclosed technology concerns an EGR circuit (10) of an internal combustion engine (11) comprising an inlet (12) and exhaust (13) manifold for collecting exhaust gas, said EGR circuit being configured to evolve between a flowing configuration, in which exhaust gas is allowed to flow through it, and a closed configuration, in which the exhaust gas flow through it is prevented, and comprising:- An EGR mixer (20) fluidically connected to the inlet manifold, and configured to mix exhaust gas and air,- An EGR cooler (30),- An exhaust pipe (31) fluidically connecting the exhaust manifold (13) to the EGR cooler,- An intermediate pipe (32) fluidically connecting the EGR cooler to the EGR mixer,- A first EGR valve (33) mounted in the exhaust pipe, to adjust and/or prevent the exhaust gas flow.

The disclosure relates to a steering system (1) comprising two chambers (20, 22), a fluid circuit (12) in fluid communication with the chambers, a piston (24) separating the chambers, a guide element (30), a first transmission element (4) configured to transmit a rotational force to a rotary valve (10) able to take:a first/second, position, in which the fluid circuit is in communication with one chamber,a third position, in which the fluid circuit is isolated from the chambers,the piston sliding along the guide element in a direction depending on the position of the rotary valve, and configured to cooperate with a second transmission element (6), the steering system comprising a torsion device (36) configured to move the rotary valve and comprising :a torsion bar (38) fixed to the rotary valve and the guide element,a coupling mechanism (42) configured to limit a torsion of the torsion bar.

The invention concerns a gearbox of a vehicle (3), comprising at least a first input gear (111), a second input gear (112), a first output gear (121), a second output gear (122) and an engaging mechanism (4) able to connect one of the input gears (111, 112) with one of the output gears (121, 122), said engaging mechanism (4) comprising at least a first sleeve (131) and a second sleeve (132) both rotating coaxially around an axis X, said first sleeve (131) and said second sleeve (132) being rotationally linked with each other and capable of moving axially one relative to the other said along the axis X, said second sleeve (132) extending at least partly inside the first sleeve (131), said first sleeve (131) being able to engage with one of the input gears (111, 112) and said second sleeve (132) being able to engage with one of the output gears (121, 122), said first sleeve (131) and said second sleeve (132) both comprising an actuation area (131a, 132a) for moving axially the concerned sleeve (131, 132).

La présente invention concerne une sous-couche d'isolation phonique (2) en matériau isolant configurée pour prendre une position de transport dans laquelle la sous-couche d'isolation phonique (2) est enroulée sur elle-même et pour prendre une position d'application dans laquelle la sous-couche d'isolation phonique (2) est positionnée sur un plancher support (4), ladite sous-couche d'isolation phonique (2) comprenant une première face (8) et une deuxième face (10) opposée à la première face (8) et destinée à être en contact du plancher support (4), caractérisée en ce que ladite deuxième face (10) comprend des motifs (18) configurés pour former entre eux, dans la position d'application de la sous-couche d'isolation phonique (2), des cavités d'isolation phonique (19), la sous-couche d'isolation phonique (2) comprenant au moins une fente (20) débouchant dans au moins une des cavités d'isolation phonique (19) et s'étendant dans le matériau isolant en direction de la première face (8).

The invention concerns an electric axle comprising a housing, and, at least partly disposed inside the housing : - an electric motor (10) configured to deliver a first torque on a motor shaft (11) ; - a shiftable reduction gear assembly (330) comprising at least a first gearwheel (331) and a second gearwheel (335) coaxial with, and rotationally connectable to the motor shaft (11) ; - a planetary set (200) comprising two coaxial planetary gearsets, at least one member of the planetary set (200) being drivingly connected or connectable to the shiftable reduction gear assembly (330) ; - at least one driveshaft (90) configured to be drivingly connected to a wheel of the vehicle, the at least one driveshaft (90) being coaxial with, and receiving power from the planetary set (200).

A hydrogen combustion engine arrangement includes a source of hydrogen, an internal combustion engine having at least one cylinder having an inlet opening connected by first hydrogen supply line to the source of hydrogen and an outlet opening, an exhaust aftertreatment system connected by an exhaust line to the outlet opening of the at least one cylinder, the EATS including a selective catalytic reduction system (SCR), a combustion zone upstream of the SCR, the combustion zone being connected to the source of hydrogen by a second hydrogen supply line, and an arrangement for determining a temperature in the EATS, and a computer system configured to control delivery of hydrogen to the EATS in response to a signal from the temperature determining arrangement.

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