Abstract: The invention relates to a device for powering a heating device (21) of a catalytic converter (20) for a motor vehicle (1) having a thermal engine (M), said vehicle (1) comprising an electrical network (10), a battery (30), a DC/DC voltage converter (80), a first switch (60), a second switch (70) and an electric machine (40), the battery (30) being suitable for operating in a recharging mode, in which it stores electrical energy, and in a discharging mode, in which it supplies electrical energy, characterized in that the first switch (60) is coupled to the catalytic converter (20) and the electric machine (40) and is suitable for being in either a closed-circuit position electrically coupling the catalytic converter (20) and the electric machine (40) to heat up the catalytic converter (20), or in an open-circuit position enabling the electrical isolation of the catalytic converter (20) from the electric machine (40), the second switch (70) is coupled, on the one hand, to the electric machine (40) and to the f

Abstract: A control unit for a hybrid motor vehicle with a combustion engine, the motor vehicle including: an electric network; a catalytic converter including an electric heating system connected to the electric network; a battery electrically connected to the electric network; an electric machine electrically connected to the electric network. The electronic control unit being configured for: activating the generator mode of the electric machine; electrically connecting the heating system to the electric power supply network at a first time, defined after a first predetermined delay with respect to the activation time of the generator mode; and activating the motor mode of the electric machine, at a second time, defined after the first time; disconnecting the heating system from the electric network at a “disconnection” time, defined after the second time.

Abstract: An adaptation module for a motor vehicle with a combustion engine, the vehicle including a power supply module able to supply electric energy and a catalytic converter able to depollute the exhaust gases emitted by the combustion engine and including an electric heating device electrically connected to the power supply module and including a first resistor connected between a high point and a midpoint and a second resistor connected between the midpoint and a low point. The adaptation module being electrically connected firstly to the power supply module and secondly to the high point, the low point, and the midpoint of the heating device, and being configured to adapt the power supplied by the power supply module into an output power and to apply the adapted output power to the heating device.

Abstract: A control unit for a hybrid motor vehicle with a combustion engine, the motor vehicle including: an electric network; a catalytic converter including an electric heating system connected to the electric network; a battery electrically connected to the electric network; an electric machine electrically connected to the electric network. The electronic control unit being configured for: activating the generator mode of the electric machine; electrically connecting the heating system to the electric power supply network at a first time, defined after a first predetermined delay with respect to the activation time of the generator mode; and activating the motor mode of the electric machine, at a second time, defined after the first time; disconnecting the heating system from the electric network at a “disconnection” time, defined after the second time.