Method for injecting fuel during the starting phase of an...

Details Method for injecting fuel during the starting phase of an... Method for injecting fuel during the starting phase of an...

2005-04-19

2005-04-19

Kwon, John T. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S480000

Reexamination Certificate

active

06880531

ABSTRACT:
During the starting phase of an internal combustion engine with fuel injection so-called pilot injectors (I) are used to establish a film on the cylinder walls and at the same time to provide an ignitable mixture for the first combustion. At this point in time the cam shaft and the crankshaft are not yet synchronized and the position of the pistons is unknown. The method according to the invention allows determination of the sequence of the pilot injectors (I) depending on the possible relative positions during the stop periods of the internal combustion engine, said positions being known beforehand.

REFERENCES:
patent: 4998522 (1991-03-01), Achleitner
patent: 5140955 (1992-08-01), Sono et al.
patent: 5450829 (1995-09-01), Beck
patent: 5595161 (1997-01-01), Ott et al.
patent: 6032640 (2000-03-01), Evans
patent: 6213089 (2001-04-01), Cheng
patent: 6612292 (2003-09-01), Shirakawa
patent: 197 41 966 (1999-04-01), None
patent: 0 371 158 (1990-06-01), None
patent: 60069247 (1985-04-01), None

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