Back to results
US 2006/0222514 A1Published application
Common rail system with pressure amplification
AssigneeSiemens VDO Automotive Corporation
InventorUlrich Augustin
Life of this patent
Estimating the term…
Abstract
A fuel system includes a fuel rail that communicates fuel at a first pressure through a fuel amplifier to a fuel injector. The fuel pressure amplifier increases the pressure from the first pressure to a second pressure. The second pressure is higher than the first pressure and is communicated through each of the plurality of fuel injectors. The fuel amplifiers provide for the application of fuel pressure without the need to configure each and every fuel system component for the corresponding higher pressures.
Claims15
A fuel system comprising:
- a fuel rail containing fuel at a first pressure;
- a pressure amplifier that receives fuel from the fuel rail at the first pressure and increases the received fuel to a second pressure greater than the first pressure responsive to fuel flow therethrough;
- and
- at least one fuel injector receiving fuel at the second pressure from the pressure amplifier.
1 more element
A fuel amplifier assembly for a fuel system comprising:
- a housing defining a fuel inlet, a fuel outlet and an exhaust;
- a high pressure plunger movable within a high pressure chamber;
- and
- a valve movable responsive to fuel flow for driving the high pressure plunger into the high pressure chamber to increase fuel pressure communicated to a fuel injector.
1 more element
Dependencies are inferred from the claim text.