Method of determining vehicle misfueling

Details Method of determining vehicle misfueling Method of determining vehicle misfueling

1981-08-17

1983-02-08

Marcus, Michael S.

Chemistry: analytical and immunological testing

Metal or metal containing

422 88, 422 91, 422 92, G01N 3106, G01N 2300

Patent

active

043727484

ABSTRACT:
A method of determining if an internal combustion engine has been operated on a leaded fuel. The method has the following general steps. A misfueling detector is formed from a material which is capable of interacting with lead when exhaust gases containing lead are passed thereover. The interacting lead alters at least one measurable characteristic of the misfueling detector. The misfueling detector is placed in an exhaust system and exhaust gases from an internal combustion engine are allowed to pass thereover. The misfueling detector is removed from the exhaust system and the measurable characteristic thereof is measured to determine whether or not the misfueling detector had absorbed lead therein while located in the exhaust system of the internal combustion engine.

REFERENCES:
patent: 2787903 (1957-04-01), Beard
patent: 3174325 (1965-03-01), Redhead
patent: 3332745 (1967-07-01), Bailey et al.
patent: 3431771 (1969-03-01), Tsien
patent: 3941566 (1976-03-01), Roche
patent: 4143316 (1979-03-01), Roy et al.
patent: 4192175 (1980-03-01), Godai et al.
Hirschler et al., I & E.C., vol. 49(7) 1957, pp. 1131-1142.
Leichnitz, Detector Tube Handbook, 4th Ed. 1979, pp. 196-197.

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