Method and device for regulating the NO.sub.x emission of an int

Details Method and device for regulating the NO.sub.x emission of an int Method and device for regulating the NO.sub.x emission of an int

1996-01-17

1997-08-19

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123486, 123527, F02D 4104

Patent

active

056577320

ABSTRACT:
Method and device for regulating the NO.sub.x emission of an internal combustion engine. It has been found that the NO.sub.x emission is dependent on the efficiency of the engine. That is to say the NO.sub.x emission can be optimized by determining and controlling the efficiency. This can be performed by making the measured and determined efficiencies equal to one another by altering the air/fuel ratio.

REFERENCES:
patent: 4513721 (1985-04-01), Ina et al.
patent: 4867127 (1989-09-01), Quirchmayr et al.
patent: 5027773 (1991-07-01), Shimomura et al.
patent: 5067460 (1991-11-01), Van Duyne
patent: 5107815 (1992-04-01), Van Duyne
patent: 5156126 (1992-10-01), Ohkubo et al.
patent: 5413075 (1995-05-01), Mamiya et al.

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