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US 2025/0116240 A1Published application
Fueling system controls including adaptation to fuel characteristics
AssigneeCummins Inc.
InventorsAnshul Sharma, Chandan Mahato
Life of this patent
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Abstract
A process includes operating a fuel injector to perform an injection of fuel, sensing a fluid hammer pressure of fuel in the injector generated in response to closing of an injector needle, determining at least one physical characteristic of the fuel in response to the fluid hammer pressure, and controlling operation of the fuel injection system in response to the at least one physical characteristic.
Claims20
A process of operating a fuel injection system, the process comprising:
- operating a fuel injector to perform an injection of fuel including opening an injector needle to begin the injection and closing the injector needle to end the injection;
- sensing a fluid hammer pressure of fuel in the injector generated in response to the closing the injector needle;
- determining at least one physical characteristic of the fuel in response to the fluid hammer pressure;
- and
- controlling operation of the fuel injection system in response to the at least one physical characteristic.
2 more elements
A system comprising:
- a fuel injector configured to perform an injection of fuel, the fuel injector comprising an injector needle configured to selectably open and close;
- a pressure sensor configured to sense a fluid hammer pressure of fuel in the injector generated in response to the closing the injector needle;
- and
- an electronic control system in operative communication with the pressure sensor and configured to:
- control the fuel injector to perform an injection of fuel including opening the injector needle to begin the injection and closing the injector needle to end the injection,
- determine at least one physical characteristic of the fuel in response to the fluid hammer pressure, and
- control operation of the fuel injection system in response to the at least one physical characteristic.
4 more elements
Dependencies are inferred from the claim text.