System for controlling engine torque

Details System for controlling engine torque System for controlling engine torque

1986-06-03

1989-03-07

Gruber, Felix D.

Boots, shoes, and leggings

74866, 123435, B60K 3104, B60K 4108, G05D 1702

Patent

active

048112232

ABSTRACT:
A system for controlling an engine torque is provided, wherein the engine torque is changed by predetermined values when an automatic transmission is shifting to satisfactorily maintain the shift characteristics of an automatic transmission. An operating area for controlling the engine torque change and/or the predetermined values are corrected in accordance with temperature in an exhaust system of engine, or the frequency of the engine torque change. As a result, rise in temperature in the exhaust system, worsened fuel consumption rate and deteriorated contents of exhaust gas, which are caused due to the frequent torque changes can be avoided.

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patent: 4643048 (1987-02-01), Hattori et al.
patent: 4671235 (1987-06-01), Hosaka

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