Apparatus for controlling variation in torque of internal combus

Details Apparatus for controlling variation in torque of internal combus Apparatus for controlling variation in torque of internal combus

1991-12-11

1992-10-20

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123419, F02M 700, F02P 506

Patent

active

051561280

ABSTRACT:
An apparatus for controlling a torque generated by an internal combustion engine includes a measurement unit for periodically measuring a torque variation amount of the internal combustion engine, a detection unit for detecting an engine operating condition and a predetermined change therein, and a storage unit for storing target torque variation amounts respectively related to predetermined engine operating conditions. A control unit controls a predetermined engine control parameter of the internal combustion engine so that the torque variation amount is approximately equal to one of the target torque variation amounts related to one of the predetermined engine operating conditions which corresponds to the engine operating condition detected by the detection unit. An updating unit generates, when the detection unit detects the predetermined change in the engine operating condition, an update torque variation amount from at least one of the target torque variation amounts which is read out from the storage unit on the basis of a new engine operating condition obtained after the predetermined change in the engine operating condition and outputs the updated torque variation amount to the control unit.

REFERENCES:
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patent: 4461257 (1984-07-01), Hosaka et al.
patent: 4475511 (1984-10-01), Johnson et al.
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patent: 4552113 (1985-11-01), Williams
patent: 4635601 (1987-01-01), Cornelius
patent: 4751906 (1988-06-01), Yatabe et al.
patent: 4776312 (1988-10-01), Yoshioka et al.

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