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OwnerElmar Pietsch, Ulrich-Michael Nefzer +1inventors
InventorsElmar Pietsch, Ulrich-Michael Nefzer, Carsten Deringer
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A method for operating an internal combustion engine in the event of a fault in a crankshaft sensor is provided, the internal combustion engine having at least two camshafts and a speed and/or a position of the internal combustion engine being derived from a signal taken from the camshaft. In order to improve the exhaust gas performance of the internal combustion engine even in a crankshaft emergency operating mode, only a first camshaft is used to determine the speed and/or the position of the internal combustion engine, while the second camshaft. is adjusted in its angle of rotation in order to set a variable valve operating mechanism on the intake and exhaust valves of the internal combustion engine that are driven by the second camshaft.
1-10. (canceled)
A method for operating an internal combustion engine having at least two camshafts in the event of a fault in a crankshaft sensor, comprising:
A control device for operating an internal combustion engine having at least two camshafts in the event of a fault in a crankshaft sensor, comprising:
Dependencies are inferred from the claim text.