Internal combustion engine control system

Details Internal combustion engine control system Internal combustion engine control system

2006-09-26

2006-09-26

Cronin, Stephen K. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S192100

Reexamination Certificate

active

07113863

ABSTRACT:
A vehicle-supervising electronic control unit (VS-ECU) measures driving torque, which is outputted from an engine to a drive shaft through an automatic transmission. The VS-ECU measures road surface transmission torque based on rotation speeds of driving wheels of a vehicle, vehicle body speed and driving wheel torque, which are measured in advance. The VS-ECU compares the driving torque with the road surface transmission torque. If it is determined that the driving torque is greater than the road surface transmission torque, the VS-ECU estimates an opening degree of an air bypass valve for controlling the driving torque so that a difference between the driving torque and the road surface transmission torque is decreased.

REFERENCES:
patent: 5896839 (1999-04-01), Togai
patent: A-54-159526 (1979-12-01), None
patent: 63106345 (1988-05-01), None

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