A system to extract water from the environment and control temperature through heat transfer between two or more environments, with low energy consumption, for domestic, commercial, or industrial use, which comprises: at least one force unit (10), capable of increasing or decreasing the pressure of the thermal working fluid, wherein the force unit (10) comprises one cylinder (1), which comprises within at least one plunger (2) joined to a piston (27), wherein the piston (27) moves alternately through the is activation of a directional control valve (29) that receives hydraulic fluid from a hydraulic pump (32); at least one closed chamber connected to the cylinder (1), wherein that closed chamber comprises at least one tube (12) joined with at least one closed radiator (8a, 8b) wherein thermal working fluid is compressed inside that closed chamber, wherein the change from liquid to solid state or vice versa occurs, or from solid to another solid state or vice versa; and a control unit (11) that regulates the operation of the directional control valve (29) according to the temperature and pressure obtained from the closed chamber; a first (92) and a second (93) heat transfer circuit, wherein the valves (37as, 37ai, 37bs, 37bi; 81ai, 81bs, 81bi; 81as, 81ai, 81bs, 81bi) are operated by a control unit (11) and associated method.

A system to extract water from the environment and control temperature through heat transfer between two or more environments, with low energy consumption, for domestic, commercial, or industrial use, which comprises: at least one force unit (10), capable of increasing or decreasing the pressure of the thermal working fluid, wherein the force unit (10) comprises one cylinder (1), which comprises within at least one plunger (2) joined to a piston (27), wherein the piston (27) moves alternately through the is activation of a directional control valve (29) that receives hydraulic fluid from a hydraulic pump (32); at least one closed chamber connected to the cylinder (1), wherein that closed chamber comprises at least one tube (12) joined with at least one closed radiator (8a, 8b) wherein thermal working fluid is compressed inside that closed chamber, wherein the change from liquid to solid state or vice versa occurs, or from solid to another solid state or vice versa; and a control unit (11) that regulates the operation of the directional control valve (29) according to the temperature and pressure obtained from the closed chamber; a first (92) and a second (93) heat transfer circuit, wherein the valves (37as, 37ai, 37bs, 37bi; 81ai, 81bs, 81bi; 81as, 81ai, 81bs, 81bi) are operated by a control unit (11) and associated method.

A thermal management system includes a closed-circuit refrigeration system that includes a closed-circuit refrigerant fluid path configured to store a refrigerant fluid; and an absorber/desorber including a bidirectional port coupled to the closed-circuit refrigerant fluid path to regulate an amount of refrigerant vapor at a compressor inlet of the closed-circuit refrigeration system. The absorber/desorber is configured to store an ionic liquid that is configured to absorb or desorb at least a portion of the refrigerant vapor based on a mode of operation of the absorber/desorber.

A refrigerating apparatus applied to a refrigerator is disclosed. The refrigerating apparatus includes a refrigerant, a depressurization gas, an evaporator, a condenser, a first connecting pipe, a second connecting pipe, a third connecting pipe, a blower device and a housing. The evaporator is provided with an inlet and an outlet; the condenser is provided with a condensation cavity, a gas inlet, a gas outlet and a liquid outlet; a molecular sieve membrane is disposed in the condensation cavity; one end of the first connecting pipe is connected to the outlet and the other end to the gas inlet; one end of the second connecting pipe is connected to the liquid outlet and the other end to the inlet; one end of the third connecting pipe is connected to the gas outlet and the other end to the inlet.

The present disclosure discloses a nano-separation refrigeration system and discloses a refrigeration circulation method, wherein the nano-separation refrigeration system includes an evaporator provided with an inlet and an outlet; a condenser provided with a condensation cavity, a gas inlet, a gas outlet, and a liquid outlet, wherein a molecular sieve membrane is disposed in the condensation cavity between the gas inlet and the gas outlet, and the molecular sieve membrane is configured to separate a mixed gas; a first connecting pipe having one end connected to the outlet and the other end to the gas inlet; a second connecting pipe having one end connected to the liquid outlet and the other end to the inlet; a third connecting pipe having one end connected to the gas outlet and the other end to the inlet.

A thermo-electrochemical converter is provided. The converter includes a working fluid, coupled first and second membrane electrode assemblies (MEA), first and second heat transfer members, a heat sink and a heat source. Each MEA includes a first porous electrode operating at a first pressure, a second porous electrode operating at a second pressure which is higher than the first pressure, and an ion conductive membrane sandwiched therebetween. The first MEA compresses the working fluid and the second MEA expands the working fluid. The first heat transfer member is coupled to and thermally interfaces with a low-pressure electrode of the first MEA. The second heat transfer member is coupled to and thermally interfaces with a lowpressure electrode of the second MEA. The heat sink is coupled to the low-pressure side of the first MEA and the heat source is coupled to the low-pressure side of the second MEA.

The invention provides a heat pump system comprising a base support; a top support and one or more elongated support structures connected to the base support and the top support. A hydraulic system configured to provide a compression stress to at least one SMA or NTE or elastocaloric core during use. An inlet for receiving fluid and an outlet for exiting the fluid; and at least one valve configured to control the inlet and the outlet. The elongated support is configured to engage with the SMA core to prevent the SMA material buckling when a compression stress is applied.

The invention provides a heat pump system and method heat pump system comprising a first Shape-Memory Alloy (SMA) or Negative Thermal Expansion (NTE) elastocaloric material core positioned in a housing and adapted to change state in response a temperature change supplied by a fluid. A second Shape-Memory Alloy (SMA) or Negative Thermal Expansion (NTE) elastocaloric material core positioned in a housing and adapted to change state in response a temperature change supplied by the fluid. A pump mechanism connected in a fluid communication with the first core and second core and adapted to control delivery of the fluid to the first and second core.

In a phase-change cooling apparatus including an indoor unit and an outdoor unit, a configuration to prevent dew condensation in the indoor unit causes the cooling performance to decrease; therefore, a refrigerant circulating apparatus according to an exemplary aspect of the present invention includes refrigerant-liquid thermal equilibrium means for mixing a first refrigerant liquid with a second refrigerant liquid and sending a reflux refrigerant liquid composed of the first refrigerant liquid and the second refrigerant liquid, the first refrigerant liquid being a liquid-phase refrigerant included in a gas-liquid two-phase refrigerant flowing in from heat receiving means, the second refrigerant liquid arising due to the gas-liquid two-phase refrigerant cooled by heat radiating means; a refrigerant passage configured for the gas-liquid two-phase refrigerant and the reflux refrigerant liquid to circulate between the heat receiving means and the refrigerant-liquid thermal equilibrium means; refrigerant-liquid reflux means for refluxing the reflux refrigerant liquid to the heat receiving means through the refrigerant passage; and refrigerant-liquid flow control means for controlling a flow rate of the reflux refrigerant liquid.

The present invention provides a colored radiative cooler based on a Tamm structure, including a substrate on which metal film and dielectric layers A to G are sequentially provided from bottom to top, where the Tamm structure is formed from the metal film and the dielectric layers A to D; a distributed Bragg reflector is formed from the dielectric layers A to D; and a selective emitter is formed from the dielectric layers E to G. Compared to the conventional radiative cooler, the colored radiative cooler not only has better cooling performance, but it has a wide applications in many aspects such as aesthetics and decoration.