In transit heating and cooling of passenger area of recreational vehicle

摘要

A vehicle has a main and an auxiliary air conditioning system. The main system includes a main compressor driven by the main vehicle engine, a main condenser, a main evaporator, and a main fan for discharging air through the main evaporator into a driver area of the vehicle. A secondary evaporator is located in a cabinet in an additional area of the vehicle and is connected with the main compressor for receiving first refrigerant simultaneously with the main evaporator. An auxiliary air conditioning system is in the cabinet and includes an AC powered auxiliary compressor, an auxiliary condenser and an auxiliary evaporator. An on board auxiliary power provider is driven by an auxiliary engine to supply AC power to the auxiliary compressor. An additional area fan moves air through the auxiliary and secondary evaporators into the duct.