Device for determining fuel quality and corresponding method
First Claim
1. A device for determining the quality of fuel for an internal combustion engine, comprising:
- a pressure sensor for measuring the pressure in a fuel containers; and
a temperature sensor for measuring the temperature in a fuel container; and
an evaluation unit with inputs that are connected to the pressure sensor and the temperature sensor, for determining a quality value representing the fuel quality, wherein the evaluation unit determines the quality value as a function of the temperature and the pressure in the fuel container in that the evaluation unit, derives the quality value therefrom.
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Accused Products
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).
28 Citations
13 Claims
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1. A device for determining the quality of fuel for an internal combustion engine, comprising:
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a pressure sensor for measuring the pressure in a fuel containers; and
a temperature sensor for measuring the temperature in a fuel container; and
an evaluation unit with inputs that are connected to the pressure sensor and the temperature sensor, for determining a quality value representing the fuel quality, wherein the evaluation unit determines the quality value as a function of the temperature and the pressure in the fuel container in that the evaluation unit, derives the quality value therefrom. - View Dependent Claims (2, 3, 4, 5)
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6. A method for determining the quality of fuel for an internal combustion engine, comprising:
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measuring pressure and/or temperature in a fuel container, while the fuel is in a fuel container; and
determining a quality value representing the fuel quality, wherein the quality value is determined as a function of the measured temperature and the measured pressure in the fuel container in that the quality value is derived therefrom. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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Specification