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System for storing and injecting additive solution into exhaust gases of diesel engine for use in heavy goods vehicle, has one tank from which solution is withdrawn when another tank is non-operational
System for storing and injecting additive solution into exhaust gases of diesel engine for use in heavy goods vehicle, has one tank from which solution is withdrawn when another tank is non-operational
The system has two tanks (1,2) parallel to each other and the branch coming from the tank (1) gives rise to lower pressure drops than the branch coming from the tank (2). The additive solution is normally withdrawn mainly from tank (1), and is withdrawn from tank (2) when the tank (1) is non-operational.
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