Detection of short circuits in a vehicle

Details Detection of short circuits in a vehicle Detection of short circuits in a vehicle

2007-10-16

2007-10-16

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C324S522000, C702S058000, C702S064000, C702S185000, C340S636150

Reexamination Certificate

active

11308136

ABSTRACT:
The invention relates to a method and an arrangement for the detection of shorts circuits in the electrical system in a vehicle provided with a battery comprising—measuring and storing the value of the battery voltage at a first moment in time,—measuring the value of the battery voltage at a second moment in time,—comparing the values of the battery voltage at the first and second moments in time,—checking, if the battery voltages at the two moments in time differ from each other by more than a predetermined value, whether one or several of certain predefined systems in the vehicle have been engaged during the interval of time between the first and the second moments in time, with a short circuit being assumed to have taken place if none of the systems in the vehicle have been engaged during the interval of time.

REFERENCES:
patent: 4665370 (1987-05-01), Holland
patent: 5962934 (1999-10-01), Fendt et al.
patent: 6046511 (2000-04-01), Kincaid
patent: 6456085 (2002-09-01), Dietl et al.
patent: 2003/0042909 (2003-03-01), Yamamoto et al.
patent: 2003/0178970 (2003-09-01), Minamiura et al.
patent: 2005/0102005 (2005-05-01), Krig et al.

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