Combustion chamber for direct injection of fuel into exhaust rec

Details Combustion chamber for direct injection of fuel into exhaust rec Combustion chamber for direct injection of fuel into exhaust rec

1997-11-26

1999-04-20

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123299, 123301, 123302, 123305, 123310, F02B 3100, F02B 1700, F02B 302

Patent

active

058948260

ABSTRACT:
An internal combustion engine defining a combustion chamber for the direct injection of fuel through a centrally located fuel injector and having a first inlet passage and port for directing hot exhaust gases of a recirculation medium to a central region of the combustion chamber and a second inlet passage and port for directing air tangentially into the combustion chamber to cause a circular flow about the chamber's periphery and about the exhaust rich central region. The injector sprays fuel through the hot exhaust gas medium in the central region which results in a pre-heating of the fuel which has been found to reduce hydrocarbon emissions prior to ignition by a spark plug located adjacent the periphery of the combustion chamber.

REFERENCES:
patent: 5335635 (1994-08-01), Kadoi et al.
patent: 5529038 (1996-06-01), Tsuchida
patent: 5603299 (1997-02-01), Yuzuriha et al.
patent: 5765525 (1998-06-01), Ma

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