Dehydration of liquid fuel

Inactive Publication Date: 2012-02-09
AIRBUS OPERATIONS LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0023]Since the concentration of water within the fuel will reduce owing to operation of this invention, the concentration of water within the fuel is likely to be highest at the start of injecting the dry gas into the fuel. The rate of water diffusion from the fuel into the gas may therefore be highest at the start of operations, which could lead to a temporary increase in the

Problems solved by technology

Water is an unavoidable contaminant in fuel.
Water can affect components in fuel systems and lead to operational delays and increased maintenance activities.
Although water may affect fuel systems of land or water based vehicles, water is a particular problem in aircraft fuel systems.
However, since the solubility of water in fuel decreases with decreasing temperature, during cruise water from dissolution (rejection of dissolved water f

Method used

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  • Dehydration of liquid fuel
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Embodiment Construction

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[0032]FIG. 1 illustrates a plan view of an aircraft 1, such as a commercial airliner, comprising a fuselage 2, a wing 3 and under wing mounted engines 4. The interior volume of the wing 3 is used as fuel tanks for storing liquid hydrocarbon aviation fuel, such as Jet A-1. The aircraft 1 has a three tank configuration, which forms part of an aircraft fuel system.

[0033]FIG. 2 illustrates schematically the three tank configuration which comprises a left wing tank 5, a right wing tank 6 and a centre tank 7. The aircraft fuel system further comprises a ventilation system for ventilating the ullage of each of the fuel tanks 5, 6, 7. The ventilation system includes a left vent tank 8 and a right vent tank 9 disposed at the tips of the wing 3. The vent tank 8 ventilates the left wing tank 5 by means of ventilation pipe 10, and also ventilates the centre tank 7 by means of ventilation pipe 11. The right vent tank 9 ventilates the right wing tank 6 by means of ventilation pipe 12. Each vent ...

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Abstract

A method for dehydrating liquid fuel, the method comprising injecting a supply of dry gas into a liquid fuel via an outlet submerged in the liquid fuel. Also, a system for dehydrating liquid fuel, the system comprising a container for storing a liquid fuel, a line for delivering a supply of dry gas, and an outlet disposed near the bottom of the container and connected to the gas line for injecting dry gas into the liquid fuel.

Description

RELATED APPLICATIONS[0001]The present application is based on, and claims priority from, British Application Number 1012988.0, filed Aug. 3, 2010, the disclosure of which is hereby incorporated by reference herein in its entirety.FIELD OF THE INVENTION[0002]The present invention relates to a system and method for dehydrating liquid fuel.BACKGROUND OF THE INVENTION[0003]Water is an unavoidable contaminant in fuel. Water can affect components in fuel systems and lead to operational delays and increased maintenance activities. In addition, the propensity for microbiological contamination is directly proportional to the presence of water and the temperature within fuel tanks.[0004]Although water may affect fuel systems of land or water based vehicles, water is a particular problem in aircraft fuel systems. Water may enter aircraft fuel tanks from fuel loaded into the aircraft fuel tanks during refuel (dissolved water) and from air entering the aircraft fuel tanks via its vent system. A ...

Claims

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Application Information

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IPC IPC(8): C07C7/00B64D37/02B64D37/06B01F3/04
CPCB64D37/34Y02T50/44C10L2270/04C10L2230/14C10L2290/08C10L1/08C10L2290/145C10L2290/141C10L2200/043Y02T50/40
Inventor LAM, JOSEPH K-WLAWSON, CRAIG P.WETTERWALD, MARC
Owner AIRBUS OPERATIONS LTD
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