Cooling fan control device, cooling device, and cooling fan control method
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United States of America Patent
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Nov 7, 2023
Grant Date -
Sep 15, 2022
app pub date -
Sep 18, 2020
filing date -
Sep 25, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
To provide such a cooling fan control device, a cooling device, and a cooling fan control method that can cool a heat exchanger appropriately according to an air density. A cooling fan control device controls a rotation speed of a cooling fan being driven by power supplied from an alternator and cooling the heat exchanger. The cooling fan control device comprises a density detection means detecting the air density. The cooling fan control device comprises a controller, where the smaller the air density detected by the density detection means is, the greater an upper limit of target rotation speed of the cooling fan is set, as long as power consumption of the cooling fan does not exceed a power capacity of a power supply source.
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