Fuel injection system of internal combustion engine

Details Fuel injection system of internal combustion engine Fuel injection system of internal combustion engine

2007-09-11

2007-09-11

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S478000

Reexamination Certificate

active

10569132

ABSTRACT:
An internal combustion engine provided with a common rail (13) and fuel injectors (3) connected to the common rail (13). When pilot injection is performed, the injection pressure pulsates. At this time, the injection amount of the main injection fluctuates by a certain fluctuation pattern. If indicating on an abscissa a time interval from when pilot injection is started to when main injection is started and indicating on the ordinate a fluctuation amount of main injection, the fluctuation pattern of the injection amount of the main injection becomes a form contracted or expanded in the abscissa direction and ordinate direction in accordance with the rail pressure. This characteristic is utilized to find the fluctuation amount of the injection amount of the main injection.

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