Emission control system

Details Emission control system Emission control system

1987-09-22

1989-05-02

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123308, F02B 2300

Patent

active

048258431

ABSTRACT:
A method is provided for the control of nitrogen oxide and carbon monoxide emissions from a digester gas engine by the injection of air immediately upstream of the intake valve to form a gradient charge in the combustion chamber having an incombustible portion adjacent the piston and a more concentrated combustible portion adjacent the spark plug, and by the calibration of the spark advance curve of the engine.

REFERENCES:
patent: 2729205 (1956-01-01), Nichols
patent: 4104989 (1978-08-01), Resler, Jr.
patent: 4135481 (1979-01-01), Resler, Jr.
patent: 4196701 (1980-04-01), Tamura et al.
patent: 4413593 (1983-11-01), Resler, Jr.
patent: 4453502 (1984-06-01), Resler, Jr.
John H. Seinfeld, Air Pollution, McGraw-Hill, Inc. (1975), pp. 358-359, 364-365 and 374-375.

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