18/ 53
B2) Connection diagram for multiple bag tanks
Flow
Sensor
Pump
Fuel detector
Fuel detector
Fuelstation
Fuel container
Flowback line
Fuel supply line
to engine
Model
Fill-line
Bladder-tank(s)
Bladder-tank(s)
Fueling
connector
/Kraftstoff-
befüllanschluß
This results in the following filling cycle:
Fuel is first filled into the bag tank from the blue filling hose. If both bags are full, the pressure in the
bags will increase and at the same time the fuel flow will drop slightly. This circumstance is recognized by
the control of the fuel station and evaluated as a "tank full" signal. There is now an automatic drawback
of fuel and/or air bubbles into the fuel station. Should the situation arise, aspirated air bubbles are
detected by the detector in the fuel station. Only when "bubble-free" fuel is sucked in (and detected), is
it ensured that all air has been removed from the bag tank. If necessary, the system performs a second
fill/drawback cycle to remove all air bubbles from the bag tanks.
Once the air bubbles have been removed, the tanks are completely refilled and then emptied by a
defined volume (decompression).
You then have a full bag tanks without overpressure.