Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections
Patent
1997-12-18
2000-02-22
Moulis, Thomas N.
Internal-combustion engines
Combustion chamber means having fuel injection only
Using multiple injectors or injections
123446, F02B 304, F02M 3700
Patent
active
060267801
ABSTRACT:
A method for controlling transfer from use of a first injection waveform type to use of a second injection waveform type in a hydraulically-actuated electronically-controlled fuel injection system of an engine includes sensing an engine speed and an engine load when the first injection waveform type is selected and storing the sensed engine speed and the sensed engine load. An actual engine speed is thereafter compared with the stored engine speed and an actual engine load is thereafter compared with the stored engine load. Transfer from use of the first injection waveform type to use of the second injection waveform type is prevented unless at least (i) a difference between the actual engine load and the stored engine load exceeds a predetermined load amount, or (ii) a difference between the actual engine speed and the stored engine speed exceeds a predetermined speed amount.
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Barnes Travis E.
Lukich Michael S.
McGee Brian G.
Puckett Daniel R.
Timmons John P.
Caterpillar Inc.
Moulis Thomas N.
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