Fuel injection update system

Details Fuel injection update system Fuel injection update system

1997-07-30

1999-06-15

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123305, 123480, F02B 1700

Patent

active

059112069

ABSTRACT:
A fuel-injection system for an internal combustion engine that operates in a stratified mode of fuel injection during a first engine speed range and a homogeneous mode of fuel injection during a second engine speed greater than the first range. A changeover speed is determined for a particular engine and, upon speed (or load) increasing to the point of changeover from the stratified mode, the engine speed update point changes from a first or "standard" update point to a second predetermined "provisional" update point for one or two revolutions after which the update point then reverts back to the "standard" update point.

REFERENCES:
patent: 4825369 (1989-04-01), Oshizawa
patent: 5078107 (1992-01-01), Morikawa
patent: 5297064 (1994-03-01), Bauerle
patent: 5722362 (1998-03-01), Takano et al.
patent: 5755198 (1998-05-01), Grob et al.

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