Oil life monitoring system with fuel quality factor
First Claim
1. An oil-life monitoring system comprising:
- an engine revolution counter configured to provide an output corresponding to the rotation of a component of an engine; and
a controller in communication with the engine revolution counter and configured to;
determine the composition of a fuel being combusted by the engine;
select a fuel quality penalty factor from a table, the fuel quality penalty factor corresponding to the determined composition of the fuel;
compute an adjusted revolution count by multiplying the rotations of the component of the engine by the fuel quality penalty factor; and
aggregate the adjusted revolution count for use in determining remaining oil-life.
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Accused Products
Abstract
An oil-life monitoring system includes an engine revolution counter configured to provide an output corresponding to the rotation of a component of an engine, and a controller in communication with the engine revolution counter. The controller is configured to determine the composition/properties of a fuel being combusted by the engine, and select a fuel quality penalty factor from a table, with the fuel quality penalty factor corresponding to the determined composition/properties of the fuel. Additionally, the controller is configured to compute an adjusted revolution count by multiplying the rotations of the component of the engine by the fuel quality penalty factor, and aggregate the adjusted revolution count.
8 Citations
19 Claims
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1. An oil-life monitoring system comprising:
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an engine revolution counter configured to provide an output corresponding to the rotation of a component of an engine; and a controller in communication with the engine revolution counter and configured to; determine the composition of a fuel being combusted by the engine; select a fuel quality penalty factor from a table, the fuel quality penalty factor corresponding to the determined composition of the fuel; compute an adjusted revolution count by multiplying the rotations of the component of the engine by the fuel quality penalty factor; and aggregate the adjusted revolution count for use in determining remaining oil-life. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A vehicle comprising:
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an engine having a crankshaft and including an engine oil, the engine configured to combust a fuel to rotate the crankshaft; an oil-life monitoring system in communication with the engine and including; an engine revolution counter configured to provide an output corresponding to the rotation of the crankshaft; and a controller in communication with the engine revolution counter and configured to; determine the composition of the fuel; select a fuel quality penalty factor from a table, the fuel quality penalty factor corresponding to the determined composition of the fuel; multiply the output of the engine revolution counter by the fuel quality penalty factor to form an adjusted revolution count; and aggregate the adjusted revolution count for use in determining remaining oil-life. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of calculating the remaining life of an engine oil within a combustion engine comprising:
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determining a composition of a fuel being combusted by the engine using a controller; selecting, using the controller, a fuel quality penalty factor from a table, the fuel quality penalty factor corresponding to the determined composition of the fuel; counting the rotations of a component of the engine using an engine revolution counter in communication with the controller; computing an adjusted revolution count, using the controller, by multiplying the rotations of the component of the engine by the fuel quality penalty factor; aggregating the adjusted revolution count over a period of time; comparing the aggregated adjusted revolution count to a threshold in order to determine remaining oil life. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification