Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1998-06-05
1999-10-26
Paladini, Albert W.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
307100, 324503, 337 15, 361 67, H02H 726
Patent
active
059734108
ABSTRACT:
The safety device, especially in an electronic motor vehicle control system, protects external circuit branches supplied with current from an engine/motor vehicle control unit so that a single short circuit results in failure of only that circuit branch in which the short circuit is located, so that an emergency operation of the electronic motor vehicle control system is possible. The respective reference grounds of the external circuit branches are connected to a common ground conductor (11) via an interface (3) including respective reference ground connectors (d, k, m). Each reference ground connector includes a safety device in the form of thin wire plug bonds, whose maximum current load sets the maximum current load of the respective external circuit branches. Then, if there is a short circuit to the reference ground of the concerned external circuit branch to a main supply voltage, the remaining circuit branches remain unaffected and operational.
REFERENCES:
patent: Re34643 (1994-06-01), Payne
patent: 3909677 (1975-09-01), McClain
patent: 5329237 (1994-07-01), Horch
patent: 5559661 (1996-09-01), Meinders
Herzog Achim
Roozenbeek Herman
Paladini Albert W.
Robert & Bosch GmbH
Striker Michael J.
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