Method and apparatus for monitoring the activity of catalytic re

Details Method and apparatus for monitoring the activity of catalytic re Method and apparatus for monitoring the activity of catalytic re

1975-08-13

1976-07-20

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

60277, G01M 1500

Patent

active

039699323

ABSTRACT:
The inlet and outlet ends of a catalytic reactor are instrumented with oxygen sensors. A change of the fuel-air concentration of the combustible mixture is indicated by a jump in the output voltage of the sensors; the voltage of the inlet sensor changes before that of the outlet sensor and the greater the time difference between these changes, the higher is the catalytic activity of the reactor. When a repeatable and constant engine condition is reached, the fuel-air mixture is abruptly changed and an electronic circuit enables a logical circuit which controls a signal lamp. If, during a predetermined time interval, the outlet sensor also changes its output voltage, indicating a time difference which is too short, the warning signal is energized and the operator is alerted to the insufficient level of reactor activity.

REFERENCES:
patent: 3086353 (1963-04-01), Ridgway
patent: 3211534 (1965-10-01), Ridgway
patent: 3441381 (1969-04-01), Keith et al.

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