DIRECT HYDROSTATIC COMPRESSION SYSTEM FOR BATTERY MODULES OF AN ELECTRIC VEHICLE
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
Mar 6, 2023
filing date -
Mar 6, 2023
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Abstract
A battery module compression system includes a battery module having a first end wall spaced apart from a second end wall. Battery cells are disposed between the first and second end walls. A fluid path is between the plurality of battery cells and the walls. An inlet valve is in fluid communication with an inlet module pump communicating dielectric fluid into the battery module into the fluid path between the battery cells and the walls. A pressure sensor generates a pressure signal indicative of the pressure within the battery module. A temperature sensor generates a temperature signal indicative of the temperature within the battery module. A controller is coupled to the inlet module pump, the inlet valve and an outlet valve to independently control a flow rate into the battery module and the pressure within the battery module based on the temperature signal, and the pressure signal.
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