Method and system for forecasting and warning on automotive abno

Details Method and system for forecasting and warning on automotive abno Method and system for forecasting and warning on automotive abno

1981-07-02

1983-07-12

Trafton, David L.

Communications: electrical

Selective

Having indication or alarm

340 52F, 340 59, 340 75, 340526, 340692, B60Q 500

Patent

active

043933653

ABSTRACT:
An automotive abnormality forecasting and warning method and system for issuing a voice and visual alarm when a signal representing the condition of an automotive inspection item exceeds a predetermined value, which comprise steps of calculating the cooling water temperature change rate in variable cycles, determining a calculation cycle corresponding to the detected water temperature and the calculated change rate from a memory storing the cooling water temperature, water-temperature-change rate and calculation cycle in a predetermined relation, judging whether the detected water temperature and the calculated change rate are in a predetermined water overheat region, and issuing a voice alarm on an overheating trend in response to more than a predetermined number of the judging operations.

REFERENCES:
patent: 3582949 (1971-06-01), Forst
patent: 3879704 (1975-04-01), Noji
patent: 4184146 (1980-01-01), Fratzke et al.

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