Alternator for a motor vehicle having a ventilator and device for monitoring and a controlling the ventilator
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United States of America Patent
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-
Nov 3, 1992
Grant Date -
N/A
app pub date -
Apr 1, 1991
filing date -
Aug 4, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Fresh air from an area located outside of the engine compartment is supplied to an alternator in a motor vehicle by ventilator. The ventilator is supplied with voltage from the alternator power supply system, and since a failure of the ventilator could lead to destruction of the alternator due to heat, the functioning of the ventilator is monitored by a device or circuit for monitoring and/or controlling the ventilator. This circuit also has a device for self-checking and controls the additional ventilator as a function of the alternator temperature by a device for measuring alternator temperature electrically connected to it.
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