Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Patent
1998-02-12
2000-03-07
Argenbright, Tony M.
Internal-combustion engines
Combustion chamber means having fuel injection only
Combustible mixture stratification means
123299, 701104, F02D 4304
Patent
active
060326379
ABSTRACT:
An engine control system for controlling operation of an engine of a type injecting fuel directly into a combustion chamber in different injection modes according to engine operating conditions has a map of engine control values with respect to specified engine operating conditions at intersection points of a grid pattern in which engine control values at extreme intersection points adjacent to a boundary between adjacent injection modes is discontinual. The engine control system calculates an engine control value for an engine operating condition by interpolation with the aid of engine control values at the intersection points and determines an engine control value for an engine operating condition at a point closer to the boundary than the extreme intersection point of one injection mode based on engine control values at intersection points of the one injection mode only.
REFERENCES:
patent: 4619234 (1986-10-01), Okamoto
patent: 5101785 (1992-04-01), Ito
patent: 5170759 (1992-12-01), Ito
patent: 5313920 (1994-05-01), Matsushita
Imada Michihiro
Mamiya Kiyotaka
Tetsuno Masayuki
Argenbright Tony M.
Castro Arnold
Mazda Motor Corporation
Studebaker Donald R.
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