Aftertreament System Integration

SCR system Integration

Lambda Sensor (optional)  fit for air-mass controller adaption.

Temp sensor T4: upstream of DOC for DPF RGN control.

Temp sensor T5: upstream of DPF for DPF RNG control

Temp sensor T6: upstream of SCR catalyst for dosing control

Nox sensor(Pre): upstream of DOC for SCR dosing control

Nox sensor(down): downstream of SCR for SCR catalyst efficiency monitor and dosing close-loop control.

PM sensor : Monintor of DPF filter efficiency.

Dosing Module:  actuator for Urea dosing.

Supply module: supply the Urea.

Adblue/DEF tank:  storage of Urea.

Injection unit:  Post inject for RGN (this is optional).

Metering unit: control the inject quantity for injection unit.

 


Passive DPF-Regeneration

NO2 Regeneration

Use Case: Long Haulage Most Long Haulage applications are feasible with CRT


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Active DPF Regeneration

Thermal Regeneration by O2.


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in SCR
Urea Injector introduction