Controller for an internal combustion engine

Details Controller for an internal combustion engine Controller for an internal combustion engine

1998-06-01

2000-02-15

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

701103, F02B 1700

Patent

active

060240695

ABSTRACT:
The invention stabilizes combustion performance upon a change from operation with stratified combustion to operation with homogeneous combustion. The lower limit for the equivalence ratio just after a change from operation with stratified combustion to operation with homogeneous combustion is set at a value greater than set under steady conditions so as to avoid adverse influence of residual external and internal EGR (exhaust gas recirculation).

REFERENCES:
patent: 5755198 (1998-05-01), Grob et al.
patent: 5785031 (1998-07-01), Akimoto et al.
patent: 5848580 (1998-12-01), Mashiki
patent: 5875756 (1999-03-01), Kamura et al.
patent: 5881693 (1999-03-01), Mizuno
patent: 5896840 (1999-04-01), Takahashi
Press Information Nissan Direct-Injection Engine, NEO DI Gasoline Engine Diesel Engine.
Patent Abstract of Japan--JP 9636902--Torque controller of Engine--Feb. 22, 1997.
Co-Pending U.S. Application 09/081,071 May 19, 1998.

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