Vehicle battery cooling system
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United States of America Patent
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Dec 20, 2022
Grant Date -
Oct 1, 2020
app pub date -
Jan 17, 2020
filing date -
Mar 25, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vehicle battery cooling system includes a battery temperature sensor, a vehicle cabin temperature sensor, a discharge path via which a vehicle cabin, a battery chamber, and outside of a vehicle communicate with each other, a circulation path that circulates air between the vehicle cabin and the battery chamber, a switching unit that switches between the discharge path and the circulation path, and a controller. When a pressurization condition is satisfied, the controller operates the switching unit to select one of the discharge path and the circulation path based on measurement results of the battery temperature sensor and the vehicle cabin temperature sensor. The pressurization condition includes a condition that an air pressure in the vehicle cabin is higher than atmospheric pressure. When temperature of a battery is in a low cooling range and is higher than temperature in the vehicle cabin, the controller selects the discharge path.
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