Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1986-12-04
1987-10-06
Nelli, Raymond A.
Internal-combustion engines
Engine speed regulator
Idle speed control
123340, F02M 300
Patent
active
046975624
ABSTRACT:
According to this process, during the starting and stopping of at least one accessory device (12) that causes a sudden variation in the resisting torque, signals controlling the starting and the stopping of the accessory device (12) are detected, and the control of the accessory device (12) is temporarily delayed by said control signals. There is controlled, for a first predetermined time period (T.sub.1), an increase in the airflow of the engine in response to the detection of a signal controlling the starting of the accessory device, and for a second predetermined time period (T.sub.3), a decrease in the airflow in response to the detection of a signal controlling the stopping of the accessory device. The starting and the stopping respectively of the accessory device (12) are controlled approximately at the end of the predetermined periods.
REFERENCES:
patent: 4297978 (1981-11-01), Matsas
patent: 4344399 (1982-08-01), Matsumura et al.
patent: 4354466 (1982-10-01), Dudley et al.
patent: 4444168 (1984-04-01), Matsumura et al.
patent: 4446832 (1984-05-01), Matsumura et al.
Boccadoro Yves
Shuttler Philippe
Nelli Raymond A.
Regie Nationale des Usines Renault
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