A solar water source heat pump air conditioning system includes an air-water heat exchange system, an aqueous solution heat exchange system, a heat pump main engine, a concentration system, an energy recovery system and a condensate water recovery system. According to the present invention, solar energy in air is absorbed by utilizing the air-water heat exchange system and is provided for a heat pump. Cold-heat transfer is performed between the air-water heat exchange system and the heat pump main engine by adopting the aqueous solution heat exchange system, thereby avoiding frosting and pipeline pollution. Cold energy of air-conditioning condensate water is collected by utilizing the condensate water recovery system and then is used, thereby increasing efficiency of the heat pump main engine. Air flowing through the air-water heat exchange system is purified by adopting a haze purification system, thereby improving air quality.

A solar powered absorption cooling system employing refrigerant-absorbent solutions such as water and lithium bromide and hybrid storage capabilities, and a method of employing the system in refrigeration and air conditioning units. The system includes a first temperature control valve and second temperature control valve that together regulate the flow of solar heating fluid into the generator and substantially reduce absorbent crystal formation.

A system and method for the applying solar heating to an absorption cooling system. Described is either single or double absorption cooling systems in which in a first embodiment the normal generator function of a traditional absorption cooling system is removed from the absorption cooling system and is placed within a solar parabolic trough that acts as a hybrid solar absorber/generator for the absorption cooling system. In a second embodiment the normal condenser function of a traditional absorption cooling system is also removed from the absorption cooling system and placed within the solar parabolic trough, resulting in a hybrid absorber/generator/condenser of the absorption cooling system.

A solar environmental control system includes a solar powered apparatus and a heat transfer apparatus. The solar collection apparatus includes a solar collector for absorbing solar energy, a heat storage medium, and a generator. A heat transfer fluid circulates between the solar collector, the heat storage medium, and the generator.

A building energy system includes HVAC equipment, green energy generation, a battery, and a predictive controller. The HVAC equipment provide heating or cooling for a building. The green energy generation collect green energy from a green energy source. The battery stores electric energy including at least a portion of the green energy provided by the green energy generation and grid energy purchased from an energy grid and discharges the stored electric energy for use in powering the HVAC equipment. The predictive controller generates a constraint that defines a total energy consumption of the HVAC equipment at each time step of an optimization period as a summation of multiple source-specific energy components and optimizes the predictive cost function subject to the constraint to determine values for each of the source-specific energy components at each time step of the optimization period.

A building energy system includes HVAC equipment, green energy generation, a battery, and a predictive controller. The HVAC equipment provide heating or cooling for a building. The green energy generation collect green energy from a green energy source. The battery stores electric energy including at least a portion of the green energy provided by the green energy generation and grid energy purchased from an energy grid and discharges the stored electric energy for use in powering the HVAC equipment. The predictive controller generates a constraint that defines a total energy consumption of the HVAC equipment at each time step of an optimization period as a summation of multiple source-specific energy components and optimizes the predictive cost function subject to the constraint to determine values for each of the source-specific energy components at each time step of the optimization period.

A hybrid power conversion system (60) for an air conditioned transport vehicle (24) including a plurality of refrigeration components (52, 54, 56) for heating and/or cooling a refrigerated volume (40). Also included is a battery (62) storing electrical power to be provided to at least one of the plurality of refrigeration components (52, 54, 56). Further included is at least one supplemental power source (68, 70, 72, 76) providing electrical power to the battery (62) to provide a total available DC power for the refrigeration components (52, 54, 56). Yet further included is a power converter (64) converting the total available DC power to a total AC power, the total AC power provided to at least one of the plurality of refrigeration components (52, 54, 56).

A transport refrigeration system including: a transportation refrigeration unit configured to provide conditioned air to a refrigerated cargo space; an energy storage device configured to store DC electrical energy to power the transportation refrigeration unit; and a DC-to-AC variable invertor electrically connecting the energy storage device to the transportation refrigeration unit, the DC-to-AC variable invertor being configured to convert the DC electrical energy from the energy storage device to AC electrical energy in a variable continuous energy output to power the transportation refrigeration unit.

Disclosed is a system for conditioning air, the system comprising: a heat exchanger comprising a plurality of heat transfer tubes extending between an accumulation header and an outlet header, an internal volume, and an external surface, wherein an air mover is disposed in fluid communication with an air mover in fluid communication with an air inlet and an air outlet, wherein the air mover is configured to urge a flow of air to be conditioned across the external surface of the heat exchanger, a reactor comprising an adsorbent material, a reactor inlet in fluid communication with the outlet header, and a reactor outlet, a vacuum pump comprising a vacuum pump inlet in fluid communication with the reactor outlet and a vacuum pump outlet in fluid communication with a system exhaust.

The present application is related to a portable refrigeration apparatus for vaccines, food items, beverage containers, or any other item. The apparatus includes a refrigerated container comprised of a plurality of substantially identical chilling panels interconnected to form a sealed container that defines an internal volume, each of the chilling panels containing a cooling element. The refrigerated container encloses an internal storage space and has a generally modular design to facilitate packaging and transportation. The apparatus permits the internal storage space to maintain a temperature in the range of 4° C.˜8° C. for a long period of time following a loss of electrical power.