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fuel pump / 1 - 3 bar / for aircraft
9121

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fuel pump / 1 - 3 bar / for aircraft fuel pump / 1 - 3 bar / for aircraft - 9121
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Characteristics

  • Medium:

    fuel

  • Pressure:

    1 - 3 bar

  • Applications:

    for aircraft

  • Fuel flow:

    1 m³/h (35 ft³/h)

Description

The pump is mounted within the canister which is located in the aircraft fuel tank. This allows the pump to be removed without having to drain the tank.This positive displacement vane pump is driven by a fuel flooded DC motor. It provides fuel supply to the APU during start-up, utilising either a ground based DC supply or an aircraft battery supply. In the event of an in-flight engine flameout the pump has sufficient capacity to provide fuel to relight the main engine. The unit has an excellent dry running capability and incorporates a thermal device which terminates the DC supply to the motor should overheating occur. Being a positive displacement pump the reprime capability is very effective. One pump is fitted to each
Boeing 777 aircraft.

Design Features
• Dual purpose: APU supply and emergency engine relight
• Canister mounted
• Dry running capability
• Fuel flooded brushed DC motor with RFI suppression
• Reliable, maintenancefree operation
• Explosion proof and thermally protected motor
• Demonstrated tolerance to contaminated fuel

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