EGR gas assist injection system for internal combustion engine

Details EGR gas assist injection system for internal combustion engine EGR gas assist injection system for internal combustion engine

1996-10-03

1998-05-05

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123571, F02M 2507

Patent

active

057461899

ABSTRACT:
An EGR (Exhaust Gas Recirculation) gas assist injection system for an internal combustion engine is provided which includes fuel injectors, sub-exhaust valves, and EGR valves. Each of the sub-exhaust valves is mechanically opened in synchronization with the start of an exhaust process of a corresponding one of engine cylinders. Each of the EGR valves is electrically opened to supply part of exhaust gas discharged through one of the subexhaust valves from one of the engine cylinders which is in the exhaust process to mix it with fuel sprayed into another of the engine cylinders which is in an intake process for promoting atomization of the fuel spray and achieving EGR.

REFERENCES:
patent: 4361126 (1982-11-01), Knapp et al.
patent: 4463740 (1984-08-01), Sagisaka et al.
patent: 4628888 (1986-12-01), Duret
patent: 5325828 (1994-07-01), Yamaguchi et al.

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