Diesel engine controller

Details Diesel engine controller Diesel engine controller

1998-05-08

1999-11-02

Wolfe, Willis R.

Power plants

Internal combustion engine with treatment or handling of...

Divider, collector, valve means, or boundary layer device...

477111, 12333919, F01N 700, F02D 4108, B60K 4112

Patent

active

059747951

ABSTRACT:
The setting of a continuously variable transmission to a neutral range is detected as a neutral signal. A delayed signal which follows a change of this neutral signal is generated with a delay, and when this delayed signal indicates the neutral range, a target idle rotation speed of a diesel engine is increased. An exhaust throttle is provided to allow the exhaust pressure of an engine to rise in order to raise heating efficiency in the passenger compartment when a vehicle is at rest. By avoiding a delay period from the change of the neutral signal to a change in the delayed signal, torque shock due to the opening or closing of the exhaust throttle is reduced.

REFERENCES:
patent: 4665692 (1987-05-01), Inaba
patent: 4707987 (1987-11-01), Atkin
patent: 4805571 (1989-02-01), Humphrey
patent: 5279117 (1994-01-01), Kaiser
patent: 5372109 (1994-12-01), Thompson et al.

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