Low emission dimethyl ether (DME) engine

Details Low emission dimethyl ether (DME) engine Low emission dimethyl ether (DME) engine

2008-06-27

2011-11-29

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S698000, C060S278000

Reexamination Certificate

active

08065990

ABSTRACT:
A compression ignition internal combustion engine system combusts DME as fuel using high fuel injection pressures (e.g., above 800 bar) and low oxygen concentrations (e.g., below 17%, through high levels of EGR), thereby resulting in simultaneously very low NOx and PM engine-out emissions.

REFERENCES:
patent: 6857263 (2005-02-01), Gray et al.
patent: 2003/0110780 (2003-06-01), Enomoto et al.
patent: 2004/0112993 (2004-06-01), Shinogle
patent: 2004/0118116 (2004-06-01), Beck et al.
patent: 2007/0215125 (2007-09-01), Dearth et al.
patent: 2008/0017170 (2008-01-01), Moroi et al.

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