Engine torque control apparatus

Details Engine torque control apparatus Engine torque control apparatus

2005-05-10

2005-05-10

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S350000

Reexamination Certificate

active

06889653

ABSTRACT:
An engine torque control apparatus for controlling the output torque of an engine (60) connected to a transmission (40) in a vehicle has a temperature sensor (55) for detecting the temperature of oil used by the transmission (40), and a controller (50) for limiting the output torque of the engine to an engine torque limit or less. The controller (50) functions to compare the oil temperature with a specific temperature, to set the engine torque limit to a first limiting value when the oil temperature is equal to or less than the specific temperature, and to increase the engine torque limit at a predetermined increase rate when the oil temperature exceeds the specific temperature.

REFERENCES:
patent: 4644334 (1987-02-01), Yato et al.
patent: 5339776 (1994-08-01), Regueiro
U.S. Appl. No. 10/650,085, filed Aug. 28, 2003, Kang et al.

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