POWER ELECTRONICS SYSTEM, ELECTRICAL SYSTEM, AND PROPULSION SYSTEM FOR A VEHICLE SUCH AS AN AIRCRAFT
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
May 30, 2023
filing date -
Jun 2, 2022
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Abstract
Use of cryogenic fuel tanks for the cooling of power electronics circuits to improve cooling capabilities for power electronics in vehicles or an aircraft. The power electronics circuit can be cooled via a cryogenic cooling loop by the fuel directly, or the fuel is used to cool a separated coolant tank. A control valve controls the coolant flow within the cryogenic cooling loop based on an electrical property of the power switching element of the power electronics circuit and or based on the way the power switching elements are electrically connected together. The control valve can control the coolant flow such that a junction temperature is achieved which minimizes the drain-source resistance.
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