Circuit for protecting against shorts in starter motor and...

Details Circuit for protecting against shorts in starter motor and... Circuit for protecting against shorts in starter motor and...

2007-10-16

2010-06-01

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C123S179300

Reexamination Certificate

active

07728457

ABSTRACT:
When an ignition switch (22) is operated to other than a start position for cranking an engine (20), a switch (relay28) places a megafuse (30) in circuit with protecting cables to the electric starter motor (18) and alternator (16) to protect against shorts. When ignition switch (22) is operated to start position for cranking the engine (20), switch (28) removes the megafuse (30) from protecting the cables. If a short blew the megafuse (30) before starting, the ignition switch (22) cannot operate the switch (28) and the engine cannot be cranked.

REFERENCES:
patent: 4842093 (1989-06-01), Lerche et al.
patent: 6377031 (2002-04-01), Karuppana et al.
patent: 6465908 (2002-10-01), Karuppana et al.
patent: 6800960 (2004-10-01), Koos et al.
patent: 6836094 (2004-12-01), Bender
patent: 2003/0080621 (2003-05-01), Kirk

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