Flex fuel internal combustion engine system

Details Flex fuel internal combustion engine system Flex fuel internal combustion engine system

2008-11-06

2011-11-22

Nguyen, Tu (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S295000, C060S299000, C123S575000, C123S672000

Reexamination Certificate

active

08061121

ABSTRACT:
A flex fuel internal combustion engine system includes means for sensing ethanol concentration of the fuel. If the ethanol concentration is determined to be above a given threshold, engine operation is adjusted for lean combustion of the fuel. An aftertreatment system is provided to remove harmful emissions from the exhaust.

REFERENCES:
patent: 5473887 (1995-12-01), Takeshima et al.
patent: 6397583 (2002-06-01), Davey et al.
patent: 7305939 (2007-12-01), Carlson
patent: 7349790 (2008-03-01), Sremac et al.
patent: 7404397 (2008-07-01), Dobeck
patent: 2009/0107113 (2009-04-01), Thanasiu et al.

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