Bi-modal air assist injection system

Details Bi-modal air assist injection system Bi-modal air assist injection system

1996-10-07

1998-03-24

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

F02M 2300

Patent

active

057301107

ABSTRACT:
The present invention provides an apparatus for controlling air flow within an internal combustion engine comprising a secondary air passage. The secondary air passage system includes an air inlet channel directing air flow to the air assist valve and an air outlet channel directing air flow from the air assist valve. The air outlet channel communicates with a plurality of fuel injector tips which are disposed within the engine. An air bypass circuit is interposed between the air inlet channel and the air outlet channel to provide an alternate air channel which is independent of the air assist valve. An engine controller electronically communicates with the air assist valve for causing the air assist valve to vary between its open and closed modes.

REFERENCES:
patent: 5129381 (1992-07-01), Nakajima
patent: 5211148 (1993-05-01), Furuya et al.
patent: 5409169 (1995-04-01), Saikalis et al.
S. Albu, J. Wong, "Technologies for Meeting Ultra-Low-Emissions Levels," SAE Paper 94C012.

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