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On some 'return flow' injection systems, you may need a second sensor so as you can subtract the return flow in order to get the actual fuel being used by the engine.
This device is to address short-fueling.(Yes, short-fuelling is a problem in many countries).
Not connecting with fuel pipe but fit around the tank's fuel cap so that when the vehicle is refueled, it notifies the actual volume filled in the vehicle.
A flow sensor capable of giving accurate measurements of the amounf of fuel pumped into a motor vehicle during re-fueling would have to be the same bore as the existing fuel filler and installed properly in line with it. This would have to meet stringent regulatory requirements for safetey (especially in petrol powered vehicles). seperate approval would be needed for every vehicle type.
I don't know of an off the shelf flow sensor that would work as the core of the design.
I can't see the cost being less than a few hundred pounds/dollars per vehicle even if the product were made in reasonable numbers.
MK
A flow sensor capable of giving accurate measurements of the amounf of fuel pumped into a motor vehicle during re-fueling would have to be the same bore as the existing fuel filler and installed properly in line with it. This would have to meet stringent regulatory requirements for safetey (especially in petrol powered vehicles). seperate approval would be needed for every vehicle type.
I don't know of an off the shelf flow sensor that would work as the core of the design.
I can't see the cost being less than a few hundred pounds/dollars per vehicle even if the product were made in reasonable numbers.
MK