The new Heavy-Duty emissions standards specify precise CO2 reduction targets: -15% in 2025 and -30% in 2030. Thus, commercial vehicles require significant optimizations, including the electrification of auxiliaries and more fine-tuned management of the diesel engine, for example in the exhaust gas recirculation, the air intake throttle valve, the exhaust back pressure valve and the turbocharger.
EXHAUST GAS RECIRCULATION
Exhaust Gas Recirculation (EGR) is an emission control strategy for controlling NOx emissions from diesel engines. With EGR, part of the exhaust gas stream is collected, cooled, and then reinjected into the combustion chamber. This reduces the combustion temperature while reducing the richness of the air mixture, i.e. the oxygen concentration (exhaust gases are inert, mainly composed of CO2 and H2O). Consequently, the EGR makes it possible to reduce the rate of formation of NOx and then the emission of NOx into the atmosphere.
EXHAUST BACK-PRESSURE VALVES
Sonceboz's proven solution for the Exhaust Back Pressure Valve (EBPV) reduces fuel consumption and emissions. Thanks to the controllability of Sonceboz's compact BLDC, the EBPV can operate precisely over a 90° rotation angle and complete the entire stroke in less than 150 ms. With a peak torque of up to 22 Nm and intelligent electronics supporting temperatures above 150°C, Sonceboz's tailor-made solutions contribute to both the reduction of emissions and fuel consumption.
Sonceboz Smart BLCD actuators offer best-in-class performance in terms of accuracy (0,244/step) and response time (T10-90 in less than 150ms) to reduce fuel consumption and precisely manage SCR temperature . The inherent durability of brushless technology has been proven in the field and is recognized as the solution of choice for reduced TCO. Additionally, in the context of increasingly stringent OBD requirements, the flexible diagnostic capabilities of smart actuators ensure easy integration into the vehicle's digital environment.
WASTE GATE (TURBO) ACTUATION
Reducing emissions and improving engine performance requires increasingly precise control of the mass flow of air entering the combustion chamber, which is achieved in conjunction with On-Board Diagnostics. On the diesel engine of commercial vehicles, the turbocharger is placed upstream of the air intake throttle valve. It is used to increase engine power by forcing compressed air into the combustion chamber, allowing more fuel to be injected, thereby increasing engine power. The energy from the exhaust gases is used to drive the turbine and thus compress the intake air.
VARIABLE TURBINE ACTUATION
Reducing emissions and improving engine performance requires increasingly precise control of the mass flow of air entering the combustion chamber. Sonceboz Smart BLCD actuators offer best in class performance in terms of accuracy (0,244°/step) and response time (T10-90 in less than 150ms) matching VNT/VGT application requirements. Its control electronics designed for temperatures above 150°C make it an ideal solution for the harsh turbo environment. The inherent durability of brushless technology has been proven in the field and is recognized as the solution of choice for reduced TCO. Additionally, in the context of increasingly stringent OBD requirements.