Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent
1998-02-20
1999-09-07
Wolfe, Willis R.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
701 54, 701 63, B60K 2800, G05D 1702, F02D 4122
Patent
active
059480378
ABSTRACT:
An engine control system reduces thermal deterioration of a torque converter. Maximum torque down control is provided, using simple processing and a minimum number of required signals, to reduce thermal deterioration. A maximum fuel injection amount QFULL is reduced when vehicle speed is less than a predetermined value that is close to zero, thereby lowering maximum engine torque. Also, the presence or absence of an abnormal vehicle speed sensor is diagnosed and maximum engine torque is also lowered during occurrence of an abnormality.
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Nissan Motor Co,. Ltd.
Vo Hieu T.
Wolfe Willis R.
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