Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections
Reexamination Certificate
2005-10-04
2010-11-09
Cronin, Stephen K (Department: 3747)
Internal-combustion engines
Combustion chamber means having fuel injection only
Using multiple injectors or injections
C123S294000, C123S300000
Reexamination Certificate
active
07827957
ABSTRACT:
A control device is provided that controls the injection quantity and injection timing of fuel injected into the cylinder of a diesel engine, in which are provided two control modes of: a normal injection mode in which the injection quantity and injection timing are controlled so that the injected fuel ignites near compression top dead center during an injection period; and a premixed injection mode in which the injection quantity and injection timing are controlled so that fuel injection is completed before compression top dead center and the injected fuel ignites near compression top dead center after a premixing period, and target values of control parameters (pilot injection timing, and the like) are set in advance separately for each control mode, the control device comprising change means for gradually changing target values V1of one control mode into the target values V2of the other control mode when switching from one control mode to the other control mode.
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Cronin Stephen K
Hufty J. Page
Isuzu Motors Limited
McCormick Paulding & Huber LLP
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