Fuel delivery system
AssigneeHamilton Sunstrand Corporation
InventorsMorgan O'Rorke, Erick Ramos
Life of this patent
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Abstract
A fuel delivery system includes a turbine, a pump, and an oxygen removal unit. The turbine is adapted to receive and expel fuel at different pressures. The pump is in fluid communication with, and mechanically coupled to, the turbine, and is configured to expel and receive the fuel at about the respective different pressures. The turbine is configured to convert pressure energy of the fuel to kinetic energy to drive the pump. The oxygen removal unit is in fluid communication with at least one of the turbine and the pump, and is configured to remove oxygen from the fuel.
Claims12
A fuel delivery system comprising:
- a turbine adapted to receive fuel at a first high pressure and expel the fuel at a first low pressure;
- a pump in fluid communication with and mechanically coupled to the turbine, and configured to expel the fuel at a second high pressure and receive the fuel at a second low pressure, wherein the turbine is configured to convert pressure energy of the fuel to kinetic energy to drive the pump, and the first and second low pressures are both lower than either of the first and second high pressures;
- and
- an oxygen removal unit in fluid communication with at least one of the turbine and the pump and configured to remove oxygen from the fuel, wherein the first and second high pressures are higher than an efficient operating pressure of the oxygen removal unit, and wherein the oxygen removal unit is located between the turbine and the pump for receiving the fuel from the turbine and expelling the fuel to the pump.
A fuel delivery system comprising:
- a turbine adapted to receive fuel at a first high pressure and expel the fuel at a first low pressure;
- a pump in fluid communication with and mechanically coupled to the turbine, and configured to expel the fuel at a second high pressure and receive the fuel at a second low pressure, wherein the turbine is configured to convert pressure energy of the fuel to kinetic energy to drive the pump, and the first and second low pressures are both lower than either of the first and second high pressures;
- an oxygen removal unit in fluid communication with at least one of the turbine and the pump and configured to remove oxygen from the fuel, wherein the first and second high pressures are higher than an efficient operating pressure of the oxygen removal unit;
- and
- a fuel filter in fluid communication between the turbine and the pump, wherein the fuel filter receives the fuel at the second high pressure from the pump and expels the fuel at a third high pressure closer to the first high pressure than the second high pressure, and wherein the oxygen removal unit receives the fuel at the first low pressure.
A fuel delivery system comprising:
- a turbine configured to receive fuel at a first high pressure and expel the fuel at a first low pressure;
- a pump coupled to and in fluid communication with the turbine and configured to receive the fuel at a second low pressure and expel the fuel at a second high pressure, wherein the turbine is adapted to convert pressure energy of the fuel to kinetic energy to drive the pump;
- and
- a fuel conditioning unit disposed between and in fluid communication with the turbine and the pump, wherein the fuel conditioning unit is configured to operate more efficiently at one of a high pressure range and a low pressure range than the other of the high pressure range and the low pressure range, wherein the high pressure range includes of the first and second high pressures and the low pressure range includes the first and second low pressures, wherein the fuel delivery system is a jet fuel delivery system, and wherein the fuel conditioning unit is an oxygen removal unit constructed to remove oxygen from the fuel.
Dependencies are inferred from the claim text.