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US 2013/0191011 A1Published application
Method for controlling a vehicle engine
OwnerGlen R. Macfarlane, Brian E. Beechie +1inventors
InventorsGlen R. Macfarlane, Brian E. Beechie, Fadi S. Kanafani
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Abstract
A method and apparatus for controlling a vehicle engine during conditions detrimental to the engine such as e.g., high engine speed with high oil temperature and/or low oil pressure. In addition to protecting the engine, the method and apparatus will also improve the vehicle's fuel economy.
Claims20
A method of detecting and modifying an engine oil condition in a vehicle, said method comprising:
- determining that the engine oil condition may be detrimental at a current engine speed;
- and
- reducing the engine speed by a predetermined amount if it is determined that the engine oil condition may be detrimental at the current engine speed.
An apparatus for detecting and modifying an engine oil condition in a vehicle, said apparatus comprising:
- an engine controller adapted to:
- determine that the engine oil condition may be detrimental at a current engine speed;
- and
- reduce the engine speed by a predetermined amount if it is determined that the engine oil condition may be detrimental at the current engine speed.
1 more element
Dependencies are inferred from the claim text.