Alternator powered motor warning system

B - Operations – Transporting – 60 – Q

Patent

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340/106

B60Q 11/00 (2006.01) B60R 16/02 (2006.01) F02B 61/04 (2006.01)

Patent

CA 1299267

Abstract of the Disclosure A warning system for an internal combustion engine, such as a small displacement outboard marine engine or the like, which does not have a switched B+ supply line. A parallel rectifier is taken from the alternator of the starting circuit of an engine to provide an auxiliary power source to the warning system when the engine is operating. Another auxiliary power source is taken from the positive coil contact of the starter solenoid to provide power to the warning system when the engine is starting. The auxiliary power sources are connected to one terminal of an annunciator whose other terminal is connected to a common node. A plurality of parallel sensors including an over- temperature switch, a low oil switch, and a variable ratio oiler are connected between the common node and ground to sound the annunciator based on abnormal operating conditions of the engine. Alternative embodiments show an auxiliary power source for a single phase alternator and a multiple phase alternator, respectively.

612566

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