New tank leak monitor from Swoboda
01 September 2023
Swoboda has introduced its new Tank Leak Monitoring System (TLMS) diagnostic module. The system is said to be able to detect leaks in tanks which are 0.5 mm wide or greater.
The TLMS is said to deliver optimum operation regardless of outside temperature, altitude or dirt.
The unit can help achieve compliance in markets where such tank monitoring systems are compulsory. Elsewhere, the TLMS can help reduce the quantity of harmful vapour released into the atmosphere.
The TLMS is typically located between the activated charcoal filter and the air filter. When a leak is detected, the vehicle driver will receive a related warning.
The unit incorporates an advanced air pump and solenoid valve, which in the first instance seals the tank and any venting system.
A diaphragm pump them uses a fan system, said to be up to 10 times more efficient than conventional systems, to achieve an excess pressure level. This is typically 50 mb.
Any deviation in the pressure is detected using an electronic pressure curve analysis. Swoboda says that this sufficiently sensitive to determine the exact size of the leak, while also detecting faulty gas caps.
Functionality is typically controlled using the onboard ECU.
The TLMS can deliver accurate diagnosis at between -15ᵒC and 80ᵒC and at up to 2500 metres altitude.
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