Abstract: Systems for generation of liquid water are provided. In embodiments, the systems comprise a thermal desiccant unit comprising a porous hygroscopic material located within a housing including a fluid inlet and a fluid outlet, a working fluid that accumulates heat and water vapor upon flowing from fluid inlet of the housing, through the porous hygroscopic material, and to the fluid outlet of the housing, a condenser comprising a fluid inlet and a fluid outlet for condensing water vapor from the working fluid; an enthalpy exchange unit operatively coupled between the thermal desiccant unit and the condenser, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the thermal desiccant unit and the working fluid input to the thermal desiccant unit, and, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the condenser and the working fluid input to the condenser.

Abstract: Systems and methods for producing water from process gas are provided herein. The systems include a water generating system that adjusts the pressure and temperature conditions surrounding a hygroscopic material in order to release water vapor generated by exposure of the hygroscopic material to the process gas.

Abstract: A water generation system for generating liquid water from a process gas containing water vapor is disclosed. In various embodiments, the water generation systems comprise a solar thermal unit, a condenser and a controller configured to operate the water generation system between a loading operational mode and a release operational mode for the production of liquid water. A method of generating water from a process gas is disclosed herein. In various embodiments, the method comprises flowing a process gas into a solar thermal unit, transitioning from the loading operational mode to a release operational mode; flowing a regeneration fluid into the solar thermal unit and the condenser during the release operational mode; and, condensing water vapor from the regeneration fluid to produce liquid water.

Abstract: Water generation systems and methods of generating water from air are disclosed herein. Systems for generating water from air can comprise a solar thermal unit comprising a hygroscopic material, composite or assembly configured to capture water vapor from air during a loading cycle and release water vapor to a working fluid during an unloading cycle. Water generation systems can further include a condenser for condensing water vapor from the working fluid to produce water. Methods for generating water from air disclosed herein can comprise receiving a system operational parameter from a loading and/or unloading cycle. Methods of operation can also include determining a loading and/or unloading system operational setpoint based on the system operational parameter. During a loading cycle, the method includes flowing ambient air through the hygroscopic material, composite or assembly to capture water vapor from air.

Abstract: Some embodiments include a system operable to construct hierarchical training data sets for use with machine-learning for multiple controlled devices. Other embodiments of related systems and methods are also provided.

Abstract: This disclosure relates to techniques for producing liquid water from ambient air. In certain embodiments, a system includes a regeneration fluid pathway configured to receive a regeneration fluid and a thermal unit configured to heat the regeneration fluid. The system can further include a continuous desiccant unit that comprises an adsorption zone and a desorption zone, as well as a batch desiccant unit that includes a regeneration inlet and a batch desiccant housing. The batch desiccant housing can include a batch desiccant inlet configured to input the ambient air, a batch desiccant outlet configured to output a batch output fluid, and a batch desiccant material. A condenser unit can be configured to produce liquid water from the regeneration fluid, and the system can maximize a water production rate of the condenser unit based on an amount of heat carried by the regeneration fluid.

Abstract: Systems and methods for recuperative heat exchange are described herein. Recuperative heat exchange assemblies can comprise longitudinally extending heat exchange plates defining alternating hot-side layers and cooling layers. Furthermore, water generation systems and related methods of generating water from air are disclosed herein. Water generation systems and related methods can comprise a sorption unit comprising a hygroscopic material to capture water vapor from ambient air, a thermal unit to heat the hygroscopic material and transfer water vapor released therefrom to a regeneration fluid, and a recuperative heat exchange assembly to drive condensation of water vapor from the regeneration gas to produce liquid water. Disclosed water generation systems and related methods may include a valve assembly having a slide plate movable transversely to a flow channel axis between a plurality of positions.

Abstract: Systems for generation of liquid water are provided. In embodiments, the systems comprise a thermal desiccant unit comprising a porous hygroscopic material located within a housing including a fluid inlet and a fluid outlet, a working fluid that accumulates heat and water vapor upon flowing from fluid inlet of the housing, through the porous hygroscopic material, and to the fluid outlet of the housing, a condenser comprising a fluid inlet and a fluid outlet for condensing water vapor from the working fluid; an enthalpy exchange unit operatively coupled between the thermal desiccant unit and the condenser, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the thermal desiccant unit and the working fluid input to the thermal desiccant unit, and, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the condenser and the working fluid input to the condenser.

Abstract: A water generation system for generating liquid water from a process gas containing water vapor is disclosed. In various embodiments, the water generation systems comprise a solar thermal unit, a condenser and a controller configured to operate the water generation system between a loading operational mode and a release operational mode for the production of liquid water. A method of generating water from a process gas is disclosed herein. In various embodiments, the method comprises flowing a process gas into a solar thermal unit, transitioning from the loading operational mode to a release operational mode; flowing a regeneration fluid into the solar thermal unit and the condenser during the release operational mode; and, condensing water vapor from the regeneration fluid to produce liquid water.

Abstract: Water generation systems and related methods of generating water from air are disclosed herein. In various embodiments, water generation systems and related methods comprise a solar unit or layer to convert solar radiation into heat and/or electrical energy, a sorption unit or layer comprising a hygroscopic material to capture water vapor from ambient air, a regeneration gas to accumulate water vapor from the sorption unit or layer, and a heat exchange assembly to condense water vapor from the regeneration gas to produce liquid water. Disclosed heat exchange assemblies can comprise a vapor-compression cycle or refrigeration circuit configured to circulate a refrigerant. A refrigerant evaporator can transfer heat from condensation of water vapor in the regeneration gas to the refrigerant and/or a refrigerant condenser can transfer heat from condensation of refrigerant vapor to the sorption unit or layer.

Abstract: Systems and methods for generating water for an end user are provided herein. The systems include a water generating unit that utilizes and/or controls internal heat sources, as well as external heat, electricity, and/or fluid sources, in response to ambient conditions. The systems may be monitored, optimized, and controlled remotely.

Abstract: Systems and methods for generating water for an end user are provided herein. The systems include a water generating unit that utilizes and/or controls internal heat sources, as well as external heat, electricity, and/or fluid sources, in response to ambient conditions. The systems may be monitored, optimized, and controlled remotely.

Abstract: Systems and methods relating to a wearable atmospheric water generation device are described herein. Systems can comprise a sorbent material within a sorbent chamber configured to capture water vapor from ambient air and can be configured to produce a reduced pressure condition within the sorbent chamber, thereby desorbing water from the sorbent material. The systems can further comprise a condenser for producing liquid water from the desorbed water vapor.

Abstract: Systems for generation of liquid water are provided. In embodiments, the systems comprise a thermal desiccant unit comprising a porous hygroscopic material located within a housing including a fluid inlet and a fluid outlet, a working fluid that accumulates heat and water vapor upon flowing from fluid inlet of the housing, through the porous hygroscopic material, and to the fluid outlet of the housing, a condenser comprising a fluid inlet and a fluid outlet for condensing water vapor from the working fluid; an enthalpy exchange unit operatively coupled between the thermal desiccant unit and the condenser, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the thermal desiccant unit and the working fluid input to the thermal desiccant unit, and, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the condenser and the working fluid input to the condenser.

Abstract: Water generation systems and methods of generating water from air are disclosed herein. Systems for generating water from air can comprise a solar thermal unit comprising a hygroscopic material, composite or assembly configured to capture water vapor from air during a loading cycle and release water vapor to a working fluid during an unloading cycle. Water generation systems can further include a condenser for condensing water vapor from the working fluid to produce water. Methods for generating water from air disclosed herein can comprise receiving a system operational parameter from a loading and/or unloading cycle. Methods of operation can also include determining a loading and/or unloading system operational setpoint based on the system operational parameter. During a loading cycle, the method includes flowing ambient air through the hygroscopic material, composite or assembly to capture water vapor from air.

Abstract: This disclosure relates to techniques for producing liquid water from ambient air. In certain embodiments, a system includes a regeneration fluid pathway configured to receive a regeneration fluid and a thermal unit configured to heat the regeneration fluid. The system can further include a continuous desiccant unit that comprises an adsorption zone and a desorption zone, as well as a batch desiccant unit that includes a regeneration inlet and a batch desiccant housing. The batch desiccant housing can include a batch desiccant inlet configured to input the ambient air, a batch desiccant outlet configured to output a batch output fluid, and a batch desiccant material. A condenser unit can be configured to produce liquid water from the regeneration fluid, and the system can maximize a water production rate of the condenser unit based on an amount of heat carried by the regeneration fluid.

Abstract: Systems for generation of liquid water are provided. In embodiments, the systems comprise a thermal desiccant unit comprising a porous hygroscopic material located within a housing including a fluid inlet and a fluid outlet, a working fluid that accumulates heat and water vapor upon flowing from fluid inlet of the housing, through the porous hygroscopic material, and to the fluid outlet of the housing, a condenser comprising a fluid inlet and a fluid outlet for condensing water vapor from the working fluid; an enthalpy exchange unit operatively coupled between the thermal desiccant unit and the condenser, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the thermal desiccant unit and the working fluid input to the thermal desiccant unit, and, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the condenser and the working fluid input to the condenser.

Abstract: A water generation system for generating liquid water from a process gas containing water vapor is disclosed. In various embodiments, the water generation systems comprise a solar thermal unit, a condenser and a controller configured to operate the water generation system between a loading operational mode and a release operational mode for the production of liquid water. A method of generating water from a process gas is disclosed herein. In various embodiments, the method comprises flowing a process gas into a solar thermal unit, transitioning from the loading operational mode to a release operational mode; flowing a regeneration fluid into the solar thermal unit and the condenser during the release operational mode; and, condensing water vapor from the regeneration fluid to produce liquid water.

Abstract: This disclosure relates to techniques for producing liquid water from ambient air. In certain embodiments, a system includes a regeneration fluid pathway configured to receive a regeneration fluid and a thermal unit configured to heat the regeneration fluid. The system can further include a continuous desiccant unit that comprises an adsorption zone and a desorption zone, as well as a batch desiccant unit that includes a regeneration inlet and a batch desiccant housing. The batch desiccant housing can include a batch desiccant inlet configured to input the ambient air, a batch desiccant outlet configured to output a batch output fluid, and a batch desiccant material. A condenser unit can be configured to produce liquid water from the regeneration fluid, and the system can maximize a water production rate of the condenser unit based on an amount of heat carried by the regeneration fluid.

Abstract: Systems and methods for producing water from process gas are provided herein. The systems include a water generating system that adjusts the pressure and temperature conditions surrounding a hygroscopic material in order to release water vapor generated by exposure of the hygroscopic material to the process gas.