This application relates to a
gas supply system and a transmission
thermal management system, a vehicle, and a thermal management method. It includes: a gas reservoir
assembly, the output end of which is connected to the inlet of a three-way control valve; a gas water bath
vaporizer, the gas
pipe inlet of which is connected to the first outlet of the three-way control valve; and a gas
oil bath vaporizer, the gas
pipe inlet of which is connected to the second outlet of the three-way control valve, and the gas
pipe outlet of which is connected to the gas pipe inlet of the gas water bath
vaporizer. The gas
oil bath vaporizer has a transmission lubricating oil inlet and a transmission lubricating oil outlet. This
system increases heat exchange between the gas
oil bath vaporizer and the transmission lubricating oil, ensuring optimal cooling performance for the transmission in overheated conditions. It also improves the
vaporization capacity of the
gas supply system, providing the engine with more stable air
rail pressure and supply temperature.