| 主权项 |
1. A regenerative air conditioning system for a vehicle, comprising:
a condenser, a compressor, an evaporator subsystem, an expansion valve, and a solenoid controlled expansion valve arranged and coupled together in a direct expansion cooling circuit; the evaporator subsystem having a main evaporator coupled to the expansion valve and a storage evaporator coupled to the solenoid controlled expansion valve, the evaporator subsystem having separate parallel refrigerant flow paths with one refrigerant flow path through the main evaporator and expansion valve coupled to the main evaporator and the other refrigerant flow path through the storage evaporator and solenoid controlled expansion valve coupled to the storage evaporator; the main evaporator and storage evaporator arranged so that cabin cooling air to be cooled passes across them serially for cooling before the cabin cooling air is provided to a passenger cabin of the vehicle to cool the passenger cabin; the storage evaporator having a phase change material therein surrounding refrigerant passages in the storage evaporator and the main evaporator not having a phase change material therein surrounding refrigerant passages in the main evaporator; and the storage evaporator in a charge state when the vehicle is decelerating by the solenoid controlled expansion valve being open so that refrigerant flows through the storage evaporator to cool the phase change material to cause it to change to a lower enthalpy phase state to store thermal cooling potential; and the storage evaporator in a discharge state when the vehicle is stopped and an engine of the vehicle is off to cool cabin cooling air flowing across the storage evaporator by the phase change material absorbing heat from the cabin cooling air, the solenoid controlled expansion valve closed when the storage evaporator is in the discharge state. |
