1862 results about "Heat transfer fluid" patented technology

A three-way heat exchanger includes an airflow inlet, an airflow outlet, a heat transfer fluid inlet manifold extending proximate the airflow outlet, and a heat transfer fluid outlet manifold extending proximate the airflow outlet. The heat exchanger also includes panel assemblies each including a frame defining a heat transfer fluid channel and a membrane positioned on the frame and defining a desiccant channel. The heat transfer fluid channel is connected to the heat transfer fluid inlet and outlet manifolds for channeling a flow of the heat transfer fluid therebetween counter to the airflow direction. Each panel assembly also includes a heat transfer fluid flow guide positioned in the heat transfer fluid channel to control the flow of the heat transfer fluid counter to the airflow direction.

A three-way heat exchanger includes panel assemblies arranged in series. Each panel assembly includes a frame defining a heat transfer fluid channel and a vapor-permeable membrane positioned on the frame to define a desiccant channel separated from the heat transfer fluid channel. The three-way heat exchanger also includes clamping assemblies for exerting a clamping force on the panel assemblies. Each clamping assembly includes a tie rod extending through the frames of the panel assemblies and including opposite ends, retainers connected to the opposite ends of the tie rod, and a resilient element positioned between one of the retainers and one of the panel assemblies at one of the ends of the tie rod. The resilient element is deformable to accommodate size variations of the panel assemblies.

A geothermal system is used for obtaining heated heat transfer fluid, such as steam, via heat transfer with an underground reservoir of magma. The geothermal system includes a wellbore extending between a surface and into an underground chamber formed in a reservoir of magma. The chamber may be formed by injecting a fluid at an increased pressure into underground magma to form a cavity that acts as the underground chamber.

A geothermal system including a heat-driven process system using heat extracted from a magma wellbore for driving a thermal process. The system includes a magma wellbore connected to the heat-driven process system in a closed loop. A heated heat transfer fluid conveys the heat from the magma wellbore to a reactor housing a decomposition reaction. The reactor can be a batch reactor, a continuous reactor, or a through-flow reactor. The heat provides the reaction temperature necessary for driving the decomposition reaction of a polymer to an end product. The heat can be provided directly by the heated heat transfer fluid, by an intermediate heat transfer fluid heated by the heated heat transfer fluid, or by a reaction medium heated by the heated heat transfer fluid.

A system and a method for managing operating temperature and pressure of a battery are disclosed. Cells of the battery are housed in cylindrical modules into which a heat transfer fluid under pressure and at a temperature circulates. A fluidic unit has a return reservoir that collects oil leaving the modules, and cooling and heating reservoirs containing oil pumped from the return reservoir at predefined hot and cold temperatures. Oil is transmitted to the modules at a temperature and a pressure almost instantaneously obtained by regulated mixing and flow rate of hot and cold oil. The mixing and the flow rate are controlled by controllers connected to a BMS which manages oil pressure and temperature setpoints to be applied to the cells as a function of a demand in power and in energy received by the BMS and pressure and temperature measurements taken by sensors in the system.

A refrigeration system utilizing a torsional elastothermal effect of shape memory alloy fibers, the refrigeration system comprising: a) a torsional elastothermal refrigerator having a fluid inlet and two fluid outlets; the heat transfer fluid pipeline system comprises a refrigerator, a radiator, a three-way valve, a liquid storage buffer and a water pump, is provided with a motor, controls switching of cold and hot flow channels in pipeline circulation by controlling the three-way valve, and is connected with the torsion elastic heat refrigerator in the system; the heat exchange and storage device comprises but not limited to a spiral coil radiator made of copper pipes and a heat storage container, the spiral coil radiator and the heat storage container are both connected with the heat transfer fluid pipeline system, and the memory alloy fibers are arranged in the torsion elastic heat refrigerator. The system is based on a novel driving mode of a periodic distortion structure, and has the effects of high efficiency, low hysteresis and low driving stress.

Systems and methods are provided for temperature regulation of electronic devices. An example system may include a distribution manifold including entrance flow passages and exit flow passages. Further, the system may include a heat transfer plate including heat transfer surfaces defining a plurality of gaps therebetween. The entrance flow passages may deliver heat transfer fluid to the plurality of gaps, and the exit flow passages may receive the heat transfer fluid from the plurality of gaps.

A geothermally powered hydrogen production system includes a wellbore that heats a heat transfer fluid, thereby forming heated heat transfer fluid. A heat exchanger heats a feed stream using the heated heat transfer fluid, thereby forming a heated feed stream. An electrolyzer receives the heated feed stream and generates hydrogen from the heated feed stream.

A geothermal system including a heat-driven process system using heat extracted from a magma wellbore for driving a thermal process. The system includes a magma wellbore connected to the heat-driven process system in a closed loop. A heated heat transfer fluid conveys the heat from the magma wellbore to a reactor housing a decomposition reaction. The reactor can be a batch reactor, a continuous reactor, or a through-flow reactor. The heat provides the reaction temperature necessary for driving the decomposition reaction of a polymer to an end product. The heat can be provided directly by the heated heat transfer fluid, by an intermediate heat transfer fluid heated by the heated heat transfer fluid, or by a reaction medium heated by the heated heat transfer fluid.

Disclosed is a method for defrosting a thermal regulation circuit for a vehicle, in particular for a motor vehicle, the thermal regulation circuit being provided with a refrigerant circulation loop comprising a first heat exchanger (2), susceptible to frosting, as well as second and third exchangers (4, 6), the second and third exchangers (4, 6) being intended to exchange heat between the refrigerant and a heat transfer fluid, the loop further comprising a bottle (12) for storing a part of the refrigerant, the method comprising a step, referred to as defrosting, of circulating the refrigerant successively in the second heat exchanger (4), the bottle (12) and then the first and third exchangers (2, 6), with cooling of the refrigerant in the first and second exchangers (2, 4) and heating of the refrigerant in the third exchanger (6).

A geothermal system including a heat-driven process system using heat extracted from a magma wellbore for driving a thermal process. The system includes a magma wellbore connected to the heat-driven process system in a closed loop. A heated heat transfer fluid conveys the heat from the magma wellbore to a reactor housing a decomposition reaction. The reactor can be a batch reactor, a continuous reactor, or a through-flow reactor. The heat provides the reaction temperature necessary for driving the decomposition reaction of a polymer to an end product. The heat can be provided directly by the heated heat transfer fluid, by an intermediate heat transfer fluid heated by the heated heat transfer fluid, or by a reaction medium heated by the heated heat transfer fluid.

A geothermal system including a heat-driven process system using heat extracted from a magma wellbore for driving a thermal process. The system includes a magma wellbore connected to the heat-driven process system in a closed loop. A heated heat transfer fluid conveys the heat from the magma wellbore to a reactor housing a decomposition reaction. The reactor can be a batch reactor, a continuous reactor, or a through-flow reactor. The heat provides the reaction temperature necessary for driving the decomposition reaction of a polymer to an end product. The heat can be provided directly by the heated heat transfer fluid, by an intermediate heat transfer fluid heated by the heated heat transfer fluid, or by a reaction medium heated by the heated heat transfer fluid.

Methods and apparatus for anti-ice heat supply from waste heat recovery systems are disclosed. An apparatus for an aircraft, the apparatus comprising a fuel heat exchange system, an anti-ice heat exchanger, a waste heat recovery heat exchanger, and a conduit coupled to the fuel heat exchange system, the anti-ice heat exchanger, and the waste heat recovery heat exchanger, the conduit including a first portion and a second portion distinct from the first portion, wherein the first portion of the conduit carries a first portion of a thermal transfer fluid from the waste heat recovery heat exchanger to the anti-ice heat exchanger in which the thermal transfer fluid supplies anti-ice heat to a portion of the aircraft, wherein the second portion of the conduit carries a second portion of the thermal transfer fluid from the waste heat recovery heat exchanger to the fuel heat exchange system.

Hybrid evaporative and radiative cooling panel systems having increased cooling efficiency while minimizing water consumption are provided. The disclosed hybrid systems include a cooling panel that enables the improved cooling and water consumption via a reflector layer which reflects solar radiation, an evaporative and infrared-emitting layer that is solar-transparent and water-rich, and an insulation layer that is vapor-permeable. infrared-transparent. and solar-reflecting. The cooling panel is configured to be in fluid communication with a heat exchanger. The cooling panel is further configured to cool a heat transfer fluid by way of both evaporative cooling and radiative cooling. The cooling panel is also configured such that the heat transfer fluid passes at least one of through or across the cooling panel and flows to the heat exchanger. Various configurations of such panels and panel systems. and methods of implementing the principles associated with the same. are also disclosed.

An HVAC system includes a refrigerant sub-system and an air treatment sub-system. The air treatment sub-system includes a three-way heat exchanger. The HVAC system is operable to circulate heat transfer fluid between the heat exchanger and the refrigerant sub-system. The heat exchanger includes panel assemblies, heat transfer fluid inlet and outlet manifolds, and a heat transfer fluid inlet and outlet. Each panel assembly includes a heat transfer fluid channel and a desiccant channel separated from the heat transfer fluid channel. The inlet and outlet manifolds are connected to the heat transfer fluid channel of each panel assembly, and each extend between lateral sides of the heat exchanger. The inlet manifold is closed at a first lateral side and connected to the inlet at a second lateral side, and the outlet manifold is closed at the second lateral side and connected to the outlet at the first lateral side.

A geothermally powered petrochemical refining system includes a geothermal system with a wellbore extending from a surface into an underground magma reservoir. A geothermally powered fractional distillation system receives crude oil and produces distillates which are separated by molecular weight. The distillates may be provided to a geothermally powered cracking system that is heated by a heat transfer fluid heated by the geothermal system to crack heavy hydrocarbons into lighter ones. The distillates may be provided to a geothermally powered reforming system that is heated by a heat transfer fluid heated by the geothermal system to reform hydrocarbons into different structures.

A battery pack for an electric vehicle, the battery pack including a battery housing including: a housing body, at least one heat transfer channel defined in the housing body, the at least one heat transfer channel extending generally through a center portion of the housing body, the at least one heat transfer channel being operative to convey a heat transfer fluid; a plurality of battery cells disposed in the housing body, the plurality of battery cells being disposed in direct thermal communication with the at least one heat transfer channel; and at least one electronic component disposed in the battery housing, the at least one electronic component being in direct thermal communication with the at least one heat transfer channel.

A solder reflow apparatus includes a vapor generating chamber configured to accommodate a heat transfer fluid and to be filled with saturated vapor generated when the heat transfer fluid is heated; a heater configured to heat the heat transfer fluid to generate saturated vapor; a substrate stage configured to be moved up and down within the vapor generating chamber and configured to support a substrate on which an electronic component is mounted via solder; a cleaning portion installed in an upper portion of the vapor generating chamber, wherein the cleaning portion is configured to spray a cleaning fluid onto the substrate on the substrate stage, wherein the cleaning fluid includes a material the same as the heat transfer fluid; and a guide structure configured to collect the cleaning fluid sprayed onto the substrate on the substrate stage and to direct the cleaning fluid to a reservoir that contains the heat transfer fluid.

The invention relates to a thermal conditioning system (1) for a motor vehicle, comprising: a heat transfer fluid circuit including a first plate (20) forming one or more first channels (25) for the heat transfer fluid; a refrigerant circuit including a second plate (21) forming one or more second channels (26) for the refrigerant; a plurality of components functionalizing the aforementioned circuits; the first and second plates are fixed to each other via an intermediate structure (22, 23), so as to form a structural support; the intermediate structure and the first plate and / or the second plate have a plurality of openings or recesses (27) for the passage of conduits (28) to connect one or the other of the first and second channels to the components; only one face of the structural support presents all of the aforementioned components. Figure to be published with the abbreviation: Fig. 3

The invention relates to an electrical connection box for a storage battery (2), comprising: - a platform (4) adapted to accommodate electrical components (5, 6, 7) and in which at least one circulation conduit (18) for a heat transfer fluid is provided, - a busbar (8, 9, 10, 11) ensuring an electrical connection between at least two electrical components, and - at least one heat pipe (14) a first portion (20) of which has a first contact area with the platform and a second portion (21) of which has a second contact area with the busbar and / or with at least one of the electrical components. The invention also relates to a storage battery equipped with such a box and a motor vehicle equipped with such a battery. Figure for the abstract: Fig. 2

An electrical system includes an electrical power module with a heat sink provided with heat-dissipating projections. The system further includes a cold plate of a heat-transfer fluid box. The cold plate has cavities which are complementary to the projections so as to receive said projections. Liquid metal is inserted between the heat sink and the cold plate, at least between the projections and the cavities.

Packaging for preservation of biological material, wherein, in use, the packaging is filled with one or more samples of biological material and placed in an apparatus for preserving the biological material such that a heat exchange fluid flows around the packaging, the packaging including: a substantially planar substrate including a leading edge that faces the flow of heat transfer fluid in use, a trailing edge opposing the leading edge, and opposing end edges; one or more wells defined in the substrate, each well being configured to receive a sample of biological material and including: a substantially planar base, a sidewall, a leading portion of the well and an opposing trailing portion of the well; and a sealing layer that is applied to the substrate in use, to enclose the one or more wells and respective samples of biological material contained within the one or more wells.

Embodiments of the present disclosure include an integral nuclear reactor having a core fluidly coupled to an inlet chamber and to an outlet chamber. In some instances, the nuclear reactor may include a hub to house the core, the chambers, and the protective plug. The hub may include a window allowing a heat transfer fluid to flow from the outlet chamber, through the hub, and enter an annular space between the hub and a separation shell. The heat transfer fluid may flow into an inlet of a heat exchanger. The heat transfer fluid may flow through the heat exchanger before exiting at a heat exchanger outlet. The heat transfer fluid may enter an annular delay tank before flowing down an annular downcomer duct formed by the separation shell being housed in a reactor vessel. The heat transfer fluid may flow from the annular downcomer duct and into the inlet chamber.

Retrofit kit (1) for an existing central heating system (2), wherein the central heating system (2) comprises at least one primary heat source (3) operable by means of fuels, in particular a boiler and / or a gas boiler, at least one heat exchanger (4), preferably a radiator for heating a building, and at least one domestic hot water storage tank (5), wherein a heat transfer fluid (6), in particular water, can be heated by means of the primary heat source (3), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat exchanger (4) by means of a heat pump (7), and wherein the heat transfer fluid (6) can be conveyed to the domestic hot water storage tank (5) for heating domestic hot water (9) temporarily stored in the domestic hot water storage tank (5), namely for heat transfer from the heat transfer fluid (6) to the domestic hot water (9) through or adjacent to the domestic hot water storage tank (5),wherein the primary heat source (3) has a central heating control and / or regulation device (10) for its control and / or regulation, wherein the retrofit kit (1) and / or the central heating system (2) has at least one electrically operated heat pump (11), wherein the heat transfer fluid (6) can be heated by means of the heat pump (11), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat pump (11) for its heating, and wherein the heat transfer fluid (6) can be conveyed to and / or through the primary heat source (3) by means of the heating pump (7) and / or the storage pump (8), characterized in that the retrofit kit (1) has a temperature sensor (13.1) and a separate heat pump control and / or regulation device (14) for the heat pump (11), wherein the temperature sensor (13.1) is connected to the separate heat pump control and / or regulation device (14) for control / is connected or connectable via signal and / or data technology,wherein the heat pump (11) is connected and / or connectable to the separate heat pump control and / or regulation device (14) for control purposes, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) is controlled based on the actual domestic hot water temperature (T) measured by means of the temperature sensor (13.1) in a lower area of ​​the domestic hot water storage tank (5) or adjacent to this lower area of ​​the domestic hot water storage tank (5). B1 ) is controllable and / or adjustable, wherein the temperature sensor (13.1) is used as a first temperature sensor (13.1) for determining a first actual domestic hot water temperature (T B1 ) is implemented, wherein a second temperature sensor (13.2) is located in a vertically viewed middle or upper area of ​​the domestic hot water storage tank (5) for measuring and / or determining a second actual domestic hot water temperature (T B2) is arranged, wherein the second temperature sensor (13.2) is connected to the central heating control and / or regulating device (10) in a control / signal / and / or data-related manner, wherein the central heating control and / or regulating device (10) is designed and / or implemented such that the primary heat source (3) is adjusted depending on the second actual domestic hot water temperature (T B2 ) is controllable and / or adjustable, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) can be operated and / or activated for heating the heat transfer fluid (6) with the aid of the separate heat pump control and / or regulation device (14) when the first actual domestic hot water temperature (T) measured, determined and / or calculated with the aid of the first temperature sensor (13.1) B1 ) a first limiting temperature (T B1G ) falls below.

The invention relates to a heat exchanger comprising: - a casing that defines a sealed compartment and has an inlet and an outlet opening for a heat transfer fluid, this casing having a main wall, and - at least two fins stacked on the main wall at a distance from each other within said sealed compartment. According to the invention, the main wall has a main opening that is bordered on the side of the sealed compartment by a tube, and the at least two fins each have an opening engaged with the tube so as to be in contact with it. Figure for the abstract: Fig. 3

A heatsink comprising a heat exchange device having a plurality of heat exchange elements each having a surface boundary with respect to a heat transfer fluid, having successive elements or regions having varying size scales. According to one embodiment, an accumulation of dust or particles on a surface of the heatsink is reduced by a removal mechanism. The mechanism can be thermal pyrolysis, vibration, blowing, etc. In the case of vibration, adverse effects on the system to be cooled may be minimized by an active or passive vibration suppression system.

The present invention relates to a method for shutting down a fuel-cell stack connected to a regulating circuit for regulating a temperature (T) of the stack with a heat-transfer fluid. The method comprises a stabilization phase (P2), during which: - an air supply of the fuel-cell stack is maintained, - the stack is controlled so that the amplitude of a current (I) produced by the stack is maintained substantially equal to a constant target current value (I1), - a reference temperature, corresponding to a relative humidity level in the cathode compartment of each cell of the stack equal to 100%, is calculated on the basis of the produced current, of a flow rate of air leaving the stack, and of a pressure prevailing in the cathode compartment of each cell, - the regulating circuit is controlled so that the temperature of the heat-transfer fluid entering the stack is between 100% and 140% of the reference temperature.

The invention provides an accumulation method of a multi-stage particle packed bed layer and heat exchange and storage equipment thereof, and belongs to the technical field of phase change heat storage and heat exchange.The heat exchange and storage equipment comprises a vertically-arranged heat storage tank, a fluid inlet channel is formed in the upper end of the heat storage tank, and a fluid outlet channel is formed in the lower end of the heat storage tank; the heat storage tank is internally and sequentially provided with a plurality of heat storage bed layers from top to bottom, each heat storage bed layer is internally and orderly filled with PCM particles, the stacking method of the multi-stage particle filling bed layers and the heat exchange and heat storage equipment of the multi-stage particle filling bed layers are provided, the heat storage bed layers are divided into five layers in the heat storage tank, and the heat exchange and heat storage equipment of the multi-stage particle filling bed layers is arranged in the heat storage tank. The PCMs with different phase change temperatures and different phase change enthalpy values are arranged according to a certain sequence to form the composite PCM with a certain phase change temperature gradient, and the stepped arrangement has the advantage that the heat transfer temperature difference between the PCMs and heat transfer fluid can be basically kept constant, so that the heat exchange efficiency of the system can be integrally improved.

The utility model discloses a heat exchange enhanced heat-work coupling elastic-thermal refrigeration device based on a topological elastic micro-channel and a system thereof, a driving SMA bed is enabled to generate phase change through heat energy, the elastic-thermal effect of an elastic-thermal SMA is induced, the length ratio of the elastic-thermal SMA to the driving SMA is set to be 1: 2, the elastic-thermal SMA bed can realize larger phase change strain, and the elastic-thermal effect of the elastic-thermal SMA bed is enhanced. The latent heat released in the phase change process is larger; the two pieces of symmetrical elastic rubber are arranged in the fluid pipeline of the SMA bed, control over the system flow can be achieved, fluid is made to fully conduct convection heat exchange with the SMA bed, and the heat exchange efficiency of the refrigerating system is improved; transfer of cold energy is achieved through heat transfer fluid, refrigerating devices are used at the same time, alternate dissipation of the cold energy and heat energy of the system is achieved through the two elastic heat SMA beds, periodic cycle work can be stably and efficiently conducted, and the working efficiency of the refrigerating system is improved.

A system includes a closed loop configured to flow a heat transfer fluid to regulate temperature of a process tool. The heat transfer fluid includes a flammable or combustible fluid. The system further includes a temperature control unit configured to receive the heat transfer fluid and regulate temperature of the heat transfer fluid. The system further includes a plurality of sensor configured to measure one or more properties of the heat transfer fluid. The system further includes a controller configured to determine a fault in the closed loop based on sensor data received from the plurality of sensors and to further cause a corrective action responsive to determining the fault.