Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.

Abstract: A device for measuring a level of a liquid in a vehicle tank including at least one capacitive probe, the capacitive probe including a support structure supporting at least one plurality of capacitive elements arranged to form at least two rows of capacitive elements extending along a longitudinal axis, the rows of capacitive elements being spaced apart along an axis which is transverse to the longitudinal axis. The capacitive elements of the two rows of capacitive elements are offset along the longitudinal axis with respect to one another from one row to the next.

Abstract: A vehicular fluid injection system including a storage tank, an injection line, a heating system including an electrical heating element being powered by a power source, and a voltage converter inserted between the power source and the heating element, alone or combined with a PWM power regulation.

Abstract: An additive delivery system including a tank for storing an additive, an active component, and a controller connected to the component, wherein the controller is adapted to determine a value representative of temperature of the additive in the system based on an electrical characteristic of a part inside the component, or inside the controller, wherein the part has a further function next to the temperature estimation function in normal operation of the additive delivery system.

Abstract: A module for an SCR system including: a base plate including a socket and a first sensor of a first type mounted in the socket; an electrical interface connected to the first sensor. The electrical interface is configured to alternatively connect to a second sensor of a second type.

Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.

Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.

Abstract: A method for regulating a motor-driven pump of an SCR system, the pump delivering a pressure, being subjected to a hydraulic torque in relation to this pressure and also to a resistive torque and being driven by an electric motor including coils supplied with a current and developing a torque in relation to this current, according to which to regulate the pump, use is made of a mechanism to measure the current in the coils of the motor, of a regulator of overall current consumed by the motor, and of a model of the relation between the current and the pressure using an estimate of part of the resistive torque, namely the dry frictions, obtained by rotating the pump under no-load conditions at different speeds and by measuring the associated current.

Abstract: A system and a process for storing an additive solution and injecting it into the exhaust gases of an internal combustion engine. The system comprises at least one tank for storing the additive, one pump equipped with an inlet and an outlet and that is capable of generating a direct flow (in injection mode) or a reverse flow (in drawing off mode), at least two additive solution suction points, and an injector, wherein a first suction point is connected to the pump inlet and is only active when the pump operates in injection mode, and wherein the second suction point is connected to the pump outlet and is only active when the pump operates in drawing off mode.

Abstract: Process for starting an SCR system intended for transporting urea from a tank to the exhaust gases of an engine using a feed line, this system comprising a rotary pump controlled by a controller and driven by a brushless direct current (BLDC) motor that comprises a rotor equipped with at least one permanent magnet and with a stator comprising at least 3 electromagnetic coils in which the direct current can flow according to a given sequence to make the rotor rotate, according to which, before starting the pump, a temperature is measured using a sensor and if this temperature is below a setpoint temperature, before making the rotor rotate, the current is passed through at least one of the coils in a way such that it preheats the pump without making the rotor rotate.

Abstract: A vehicular fluid injection system including a storage tank, an injection line, a heating system including an electrical heating element being powered by a power source, and a voltage converter inserted between the power source and the heating element, alone or combined with a PWM power regulation.

Abstract: An additive delivery system including a tank for storing an additive, an active component, and a controller connected to the component, wherein the controller is adapted to determine a value representative of temperature of the additive in the system based on an electrical characteristic of a part inside the component, or inside the controller, wherein the part has a further function next to the temperature estimation function in normal operation of the additive delivery system.

Abstract: Method for heating an SCR system using at least two resistive heating elements, according to which each of these resistive elements is powered by a PWM signal, the two PWM signals being at least partly in phase opposition.

Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.

Abstract: Method for controlling the operation of a pump driven by an electric motor and controlled by a controller, according to which an electronic control module (ECM) sends, to the controller, a PWM (Pulse Width Modulation) control signal having a duty cycle that varies as a function of the desired operating conditions for the pump and according to which the controller acts on the electric motor to apply said operating conditions to the pump.

Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprises at least one flexible part which is preferably a flexible heater comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.

Abstract: A method for regulating a motor-driven pump of an SCR system, the pump delivering a pressure, being subjected to a hydraulic torque in relation to this pressure and also to a resistive torque and being driven by an electric motor including coils supplied with a current and developing a torque in relation to this current, according to which to regulate the pump, use is made of a mechanism to measure the current in the coils of the motor, of a regulator of overall current consumed by the motor, and of a model of the relation between the current and the pressure using an estimate of part of the resistive torque, namely the dry frictions, obtained by rotating the pump under no-load conditions at different speeds and by measuring the associated current.

Abstract: Method for heating at least one component of an SCR system using several resistive heating elements, according to which these heating elements are fed in parallel by a current source and according to which a current sensor is placed in series with the current source and all the resistors, which are connected in parallel.

Abstract: Process for measuring a liquid level in a tank and a system suitable for such process that consists in: positioning, in the tank, two substantially identical reference capacitors and two substantially identical measurement capacitors so that, when the tank is full, the four capacitors are submerged and so that, when the liquid level in the tank falls, a measurement capacitor/reference capacitor pair (Cmeas2, Cref2) emerges before another pair of capacitors (Cmeas1, Cref1); measuring the four capacitors Cmeas1, Cref1, Cmeas2, Cref2 in air when they are in air; and when at least one capacitor is at least partly immersed in the liquid, measuring the value of the four capacitors, and calculating the liquid level in the tank from the measured value of the capacitor partly immersed in the liquid, its value previously measured in air, and the measured values of the other capacitors.

Abstract: A system and a process for storing an additive solution and injecting it into the exhaust gases of an internal combustion engine. The system comprises at least one tank for storing the additive, one pump equipped with an inlet and an outlet and that is capable of generating a direct flow (in injection mode) or a reverse flow (in drawing off mode), at least two additive solution suction points, and an injector, wherein a first suction point is connected to the pump inlet and is only active when the pump operates in injection mode, and wherein the second suction point is connected to the pump outlet and is only active when the pump operates in drawing off mode.