Alarm device for the protection of catalytic converters for the

Details Alarm device for the protection of catalytic converters for the Alarm device for the protection of catalytic converters for the

1990-12-21

1992-12-08

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340438, 60277, B60Q 100

Patent

active

051701472

ABSTRACT:
An alarm device is described which can be installed in vehicles equipped with a catalytic exhaust muffler, to protect the same from overheating due to an excess of unburnt substances in the exhaust gases; the device consists of a second catalytic converter arranged upstream from the exhaust muffler along the exhaust pipe, and provided on the inside with a temperature sensor; when the temperature of the second converter exceeds a predetermined threshold, this is signalled by the sensor, possibly to an engine control system.

REFERENCES:
patent: 3440817 (1969-04-01), Saufferer
patent: 3812401 (1974-05-01), Radin
patent: 3838569 (1974-10-01), Reck
patent: 3851469 (1974-12-01), Eichler et al.
patent: 3896616 (1975-07-01), Keith et al.
patent: 4023359 (1977-05-01), Masaki et al.
patent: 4024850 (1977-05-01), Peter et al.
patent: 4188623 (1980-02-01), Suzuki et al.
patent: 4484548 (1984-11-01), Sugasawa et al.

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