Method of introducing fuel into the combustion chamber of an int

Details Method of introducing fuel into the combustion chamber of an int Method of introducing fuel into the combustion chamber of an int

1998-03-13

1999-11-23

Kwon, John

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123305, F02B 1700

Patent

active

059881364

ABSTRACT:
In order to reduce No.sub.x and HC emissions during starting and warm-up of a throttled internal combustion spark-ignition engine with direct injection, the beginning of fuel injection into the combustion chamber is shifted into the compression phase, while the total air ratio .lambda. is 1 or slightly lean.

REFERENCES:
patent: 4955339 (1990-09-01), Sasaki et al.
patent: 5078107 (1992-01-01), Morikawa et al.
patent: 5313920 (1994-05-01), Matsushita
patent: 5718203 (1998-02-01), Shimada et al.
patent: 5749334 (1998-05-01), Oda et al.
patent: 5778857 (1998-07-01), Nakamura et al.
patent: 5873344 (1999-02-01), Kudou et al.

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