A compact cooling system for vehicle operators includes: a variable speed compressor; a radiator coupled to the compressor with a tube; a fan adjacent to the radiator; an expansion chamber coupled to the radiator with a tube; a cooling plate coupled to the expansion chamber with a tube; a fluid reservoir coupled to the cooling plate with a tube through which cooling fluid can be transferred; and a fluid pump coupled to the fluid reservoir with a tube, the cooling plate including an inlet port for receiving warm cooling fluid from a cooling garment and an outlet port for transferring chilled cooling fluid to the cooling garment via the fluid reservoir and the fluid pump.

A method of operating a transport refrigeration system comprises: controlling, using a controller (30), a plurality of components of the refrigeration system and monitoring, using the controller, a plurality of operating parameters of the refrigeration system. The controlling comprises operating at least one of a prime mover (26), heater (48), and electric generation device (24). The operating parameters comprise at least one of a speed of the prime mover and a voltage of the electric generation device. The method comprises detecting, using the controller, when at least one of a heating mode and a defrost mode is required; activating, using the controller, the heater when at least one of the heating mode and the defrost mode is required; comparing, using the controller, the voltage of the electric generation device to a selected voltage; and controlling, using the controller, the speed of the prime mover in response to the voltage of the electric generation device.

Provided is a refrigerant container having a rational structure with a small number of components, the container having both the functions of a receiver and an accumulator. Specifically, the refrigerant container includes a tank 10 capable of temporarily storing a refrigerant; and a gas/liquid inlet port 15, a liquid-phase outlet port 16, and a gas-phase outlet port 17 that are provided in a lower portion of the tank 10. The refrigerant container 1 is adapted to separate a refrigerant introduced through the gas/liquid inlet port 15 into a liquid-phase refrigerant and a gas-phase refrigerant, and has the function of a receiver that guides only the liquid-phase refrigerant after the separation to the side of an expansion valve via the liquid-phase outlet port 16, and the function of an accumulator that guides the gas-phase refrigerant after the separation to the suction side of a compressor via the gas-phase outlet port 17 together with oil contained in the liquid-phase refrigerant.

An auxiliary system for air conditioning the vehicle's passengers' cabin, upon detecting that the ambient temperature inside the cabin is above a preconfigured threshold temperature, when the vehicle's primary engine is not operating, and optionally, when an accident occurs. The auxiliary sub system may further provide electric power to various units of a vehicle, including charging the vehicle's battery, and including when the primary engine of the vehicle is turned OFF.

An air conditioning system includes an evaporator, compressor, condenser and an expansion system in a closed system to cycle refrigerant. The components are mounted in a housing with sidewalls, bottom wall and top wall in a vertically stacked configuration with a horizontally mounted frame approximately bisecting the housing. A fan below the frame dissipates heat into or through the bottom of a vehicle and a fan above the frame circulates cool air into a passenger compartment. The air conditioning system is powered by a 12-volt direct current, which is fused (15 amperes) running off the vehicle's battery or the alternator and is operated by an electronic control circuit.

An assembly for establishing electrical contact with an electric motor for driving a compressor which is formed in a motor vehicle air conditioning system for compressing a gaseous fluid. The assembly has an annular carrier element, wherein the annular carrier element on its side facing the stator has at least two axial spacer elements, which rest on an axial end face of the stator when the assembly is positioned on the stator, wherein the spacer elements are dimensioned in such a way that an air gap is formed between an underside of the annular carrier element and an axial end face of the stator. The invention also relates to a method for assembling the assembly, and an electric motor having such an assembly.

A refrigeration transport system including a power source providing a power flow to a demand component, wherein the demand component is operatively coupled to a capacitor; and a controller configured to actively discharge the capacitor when the power flow is interrupted.

An air conditioning system comprises a compressor, a rotary engine, and a condenser. The rotary engine comprises at least one drive shaft. The at least one drive shaft is operatively connected to the compressor and to the fuel tank. The condenser is operatively connected to the compressor. The evaporator is operatively connected to the condenser and to the compressor. The rotary engine combusts fuel to rotate the at least one drive shaft. Rotation of the at least one drive shaft operates the compressor to cause working fluid to flow such that the evaporator air conditions the passenger compartment.

A heat exchanger includes a plurality of tube elements including a first tube segment and a second tube segment and at least one return bend connecting an end of the first tube segment the second tube segment such that the plurality of tube elements and the at least one return bend define a fluid flow path of the heat exchanger. The at least one return bend is positioned within a cavity isolated from a remainder of the heat exchanger.

Methods and systems for controlling a transport refrigeration system are provided. In one instance, the method includes identifying an operational mode change request for a heat exchanger unit of the transport refrigeration system. The method also includes preparing the transport refrigeration system for the operational mode change of the heat exchanger unit, wherein preparing the transport refrigeration system for the operational mode change of the heat exchanger unit includes performing a load control action, the load control action preventing a power source of the transport refrigeration system from at least one of operating outside of a predefined revolutions per minute (RPM) bandwidth and exceeding a predefined power limit of the power source. Also, the method includes changing the operational mode of the heat exchanger unit; and removing the load control action.