Device for determining fuel quality and corresponding method

Details Device for determining fuel quality and corresponding method Device for determining fuel quality and corresponding method

2006-10-31

2006-10-31

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

Reexamination Certificate

active

07128057

ABSTRACT:
The invention relates to a device for determining the quality of fuel for an internal combustion engine, comprising a pressure sensor (1) for determining the pressure (p) inside a fuel tank and/or comprising a temperature sensor (4) for determining the temperature (T) inside a fuel tank. According to the invention, an evaluation unit (5) is provided for determining a quality value (Q), which depicts die quality of the fuel, based on the temperature (T) and/or the pressure (p) inside the fuel tank. Said evaluation unit is connected on the input side to the pressure sensor (1) and/or to the temperature sensor (4).

REFERENCES:
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patent: 6109225 (2000-08-01), Ogita et al.
patent: 6314944 (2001-11-01), Majima
patent: 6494190 (2002-12-01), Cohen
patent: 2001/0003977 (2001-06-01), Hayashi et al.
patent: 40 27 947 (1992-03-01), None
patent: 100 14 550 (2001-10-01), None
patent: 090 72252 (1997-03-01), None

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