Automatically adjusting the emissions from an idling engine

Details Automatically adjusting the emissions from an idling engine Automatically adjusting the emissions from an idling engine

1989-09-27

1991-08-13

Gruber, Felix D.

Boots, shoes, and leggings

731172, 123339, 36443106, F02D 4126, F02D 3300

Patent

active

050401173

ABSTRACT:
A device for sensing the emissions from an idling engine and automatically adjusting the engine so as to minimize pollutants in the exhaust. The device measures the composition of gas emitted and the engine speed at idle and compares the measured values to predetermined values. When differences occur between the measured and predetermined values, an actuator is signaled which adjusts the position of an air-regulating screw and an idling screw in the carburetor until the measured values are acceptable.

REFERENCES:
patent: 4291382 (1981-09-01), Full et al.
patent: 4328546 (1982-05-01), Kreft et al.
patent: 4372155 (1983-02-01), Butler et al.
patent: 4471738 (1984-09-01), Smojver
patent: 4757463 (1988-07-01), Ballou et al.
patent: 4926330 (1990-05-01), Abe et al.

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