1103 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.

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.

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).

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.

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 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 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.

The invention relates to the technical field of phase change heat storage, in particular to a simulation method for enhancing a lung groove imitating blood vessel fin phase change heat storage system through nanofluid. The method comprises the following steps: firstly, establishing a three-dimensional physical model of the phase change heat storage enhanced heat transfer system simulating lung groove blood vessel fins, performing simulation analysis on the three-dimensional model, comparing a simulation result with an experimental result, and adjusting parameters of the simulation model to improve the accuracy of the simulation result; different nano-fluids are selected through the optimized simulation analysis platform to carry out enhanced heat transfer research on the TES, and the influence of the volume fraction of the nano-particles, the variety of the nano-particles, the temperature of the heat transfer fluid (HTF) and the initial speed on liquid phase distribution, temperature distribution, melting characteristics and kinetic energy consumption of the TES is analyzed. And finally, performing three-objective optimization on the kinetic energy, the TES heat storage amount and the melting time to obtain an objective function and an optimal value, and providing a certain reference basis for TES multi-objective optimization under the condition that the working medium is the nanofluid.

The invention relates to a stator of an electric motor comprising teeth (4) and coils mounted on the teeth (4), the stator further comprising a system for cooling the stator with a heat-transfer fluid and at least one opening (5) passing through the tooth (4) so as to allow at least some of the heat-transfer fluid to pass through the tooth (4).

The utility model provides a reaction tank for heat transfer fluid production. The reaction tank comprises a reaction kettle main body, an omnidirectional flow mixing assembly and a convection ring seat, a linear actuator is arranged on the top surface of the reaction kettle main body and drives the omni-directional flow mixing assembly to do lifting motion in the reaction kettle main body. The omni-directional flow mixing assembly comprises a circulating guide cylinder, a driving machine cylinder and a centrifugal impeller, the flow speed of liquid in the circulating guide cylinder is increased through high-speed rotation of the centrifugal impeller, and high-speed conveying and flow mixing stirring of the liquid are achieved. The convection ring seat is positioned at the bottom end of the omnidirectional flow mixing assembly, and liquid convection spraying is performed through a plurality of spraying holes, so that the liquid is fully mixed in the reaction kettle main body, and the stirring uniformity of the liquid is ensured. The liquid mixing device can realize liquid layered mixing in the vertical direction, avoids local uneven mixing, improves the mixing efficiency of heat conduction liquid, and is suitable for efficient stirring of various complex liquids.

To provide a heat transfer fluid having a relatively high boiling point.SOLUTION: The present disclosure provides a composition for a heat transfer fluid, which contains hexafluoropropene trimers having specific three structures, (I), (II), and (III), and in which a compound having the structure (I) is contained in an amount of 10 mass% or more and less than 85 mass% relative to the total amount of the hexafluoropropene trimers having the three structures.SELECTED DRAWING: None

The invention relates to a cooling device arrangement (10) comprising a vehicle body element (14) with a hollow profile that provides a receiving space; and a cooling device (12) comprising an inner profile component (16) on the outer surface of which a transport channel (24) is provided through which a heat transfer fluid can flow; wherein the dimensions of the cooling device (12) are adapted to the hollow profile such that the cooling device (12) can be inserted into the receiving space of the hollow profile and is held in the receiving space in a form-fitting manner and without adhesive.

A heat exchanger with a heat-exchanging portion is electrochemically deposited onto a base (for thermal coupling to a heat source) or directly on the heat source. The heat-exchanging portion comprises extensions that define openings (e.g., channels) for passing heat transfer fluid through the heat exchanger. The geometry of these c and / or openings varies throughout the exchange to achieve different unit-area thermal conductivities for at least two different portions of the heat-receiving surface. For example, the thickness, height, spacing, shape, and / or materials of the heat-exchanging extensions may be selected to achieve the desired heat transfer at each zone. This variability in unit-area thermal conductivities may be used to accommodate for “hot spots”, heating of the heat transfer fluid, fluid dynamics, and other factors associated with the heat exchanger operation. Electrochemical additive manufacturing (ECAM) is used to fabricate at least heat-exchanging extensions thereby enabling precise and zone-specific thermal transfer characteristics.

The invention relates to a compartment designed to receive a part capable of giving off heat during its operation, in particular the part being an electrochemical energy storage module. The compartment includes a lid, a tray provided with a bottom wall on which the part can be placed, and a side wall designed to be assembled with the lid that closes the tray, the bottom wall and the side wall being in a single piece. The compartment further includes an outer plate which is designed to be assembled on an outer assembly face of the tray or of the lid, in order to form at least one flow channel for a heat transfer fluid.

A modular datacenter has at least one cryogenic datacenter module with server blocks and pipes for providing heat transfer fluid to and from server blocks. At least one cooling generator module is provided that has a pump. Each of the at least one cooling generator module is in fluid communication with the at least one pipe such that a cooled heat transfer fluid is pumped to the at least one server block and a used heat transfer fluid flows back to the at least one cooling generator module. The used heat transfer fluid is cooled within the at least one cooling generator module. A power source is provided in communication with a power input on server boards within the server blocks and the cooling generator module.

A system includes an air compression train, a compressed air storage, an air expansion train, a heat management subsystem, and a power transmission subsystem. The air compression train includes one or more compression stages with an aftercooler. The air expansion train includes one or more expansion stages with a preheater. The heat management subsystem includes a high-temperature heat transfer fluid storage positioned downstream of a heat transfer fluid side of the aftercooler, a low-temperature heat transfer fluid storage positioned downstream of and coupled to the high-temperature heat transfer fluid storage and positioned upstream of and coupled to a heat transfer side of the aftercooler, and a first heat transformer coupled to the high-temperature heat transfer fluid storage. The power transmission subsystem includes a first heat management subsystem power coupling that couples to the first heat transformer.

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.

The present invention relates to a method for exchanging heat with an object said method comprising using a heat transfer fluid wherein said heat transfer fluid comprises one or more chemical compounds having the general formula (I) wherein: —Rf can be any C1-C10 fluorinated linear or branched carbon chain which can be partially or fully fluorinated, and can comprise O or S atoms, —X, Y and Z can be independently selected from halogens or hydrogen, with the provision that at least one of X, Y or Z is a halogen.

Device for containing liquid, of the type container or circulation circuit, and methods of manufacturing this device. The invention relates to a device (1) for containing liquid, of the type container or thermal regulation circuit with heat transfer fluid, comprising at least one metal wall (2) which has openings (3, 3') for the passage of the liquid through said wall (2), a supply or discharge pipette (4, 4') being present on the external face of said wall (2), at the level of each opening (3, 3') and being connected in a hermetic manner to the opening (3, 3') concerned.Device (1) characterized in that each pipette (4, 4') is a pipette made of thermoplastic material, attached exclusively indirectly to the metal wall (2), around the relevant opening (3, 3'), through an intermediate metal piece (5), assembled directly with the outer face of said metal wall (2), and / or, through an intermediate piece or layer made of thermoplastic material (5'), attached by welding or overmolding onto the outer face (2') of said metal wall (2) or onto an intermediate metal piece (5) assembled directly with said outer face (2') of the metal wall (2). Figure to be published with the abbreviation: Fig. 5A.

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.

The invention relates to a device for thermal regulation of at least one electronic component, including at least two circulation conduits of a heat transfer fluid, arranged along a stacking axis, and at least one heat transfer fluid manifold in fluidic communication with the circulation conduits. The heat transfer fluid manifold includes at least two fluidic connection portions, respectively assembled at one end of a corresponding circulation conduit and having, respectively, at least one collar bordering an orifice, and at least one hollow connector interposed between two fluidic connection portions along the stacking axis, and having two opposite end sections, slidably mounted inside the collars of two facing fluidic connection portions.

A method for estimating a temperature of a magnet of a rotor, the rotor comprising a channel circulating a heat transfer fluid in contact with or near the magnet, between an inlet section of the channel and an outlet section of the channel, a temperature sensor being arranged in the channel, in particular in the vicinity of the outlet section of the channel, the method comprising: • a partial or total reduction, for a given duration, of a flow rate of the heat transfer fluid circulating in the channel, • a measurement, by the temperature sensor, of a temperature of a given heat transfer fluid which has stayed in the channel throughout the given duration, and • a determination of an estimated temperature of the magnet as being a sum of the measured temperature of the given heat transfer fluid and of a zero or non-zero constant temperature difference.

An apparatus includes: a vapor generating chamber configured to accommodate a heat transfer fluid and to be filled with saturated vapor generated by the heat transfer fluid; a heater configured to heat the heat transfer fluid in the vapor generating chamber; a substrate stage configured to be movable upward or downward in the vapor generating chamber and to support a substrate on which an electronic device is mounted via a solder. The apparatus also includes at least one mesh plate extending in a horizontal direction in the vapor generating chamber. The at least one mesh plate includes a plurality of openings through which the vapor moves.

A fluid heat exchanger includes: a heat spreader plate including an intended heat generating component contact region; a plurality of microchannels for directing heat transfer fluid over the heat spreader plate, the plurality of microchannels each having a first end and an opposite end and each of the plurality of microchannels extending substantially parallel with each other microchannel and each of the plurality of microchannels having a continuous channel flow path between their first end and their opposite end; a fluid inlet opening for the plurality of microchannels and positioned between the microchannel first and opposite ends, a first fluid outlet opening from the plurality of microchannels at each of the microchannel first ends; and an opposite fluid outlet opening from the plurality of microchannels at each of the microchannel opposite ends, the fluid inlet opening and the first and opposite fluid outlet openings providing that any flow of heat transfer fluid that passes into the plurality of microchannels, flows along the full length of each of the plurality of microchannels in two directions outwardly from the fluid inlet opening. A method of cooling a heat generating component uses a fluid heat exchanger that splits a mass flow of coolant.

An electric motor for a motor vehicle, comprising a stator, which is fixed relative to an axis; a rotor, which can rotate around said axis relative to said stator and is provided with a plurality of permanent magnets; and a first cooling circuit, through which a first heat transfer fluid can flow and which is thermally coupled to the stator and the rotor to remove heat from them; the first cooling circuit comprises, in turn, a first branch housed inside the rotor and shaped like a helix.

A method of fabricating a multiphase heat exchanger for thermal coupling to a heat source is provided. The method includes submerging a build plate having a deposition surface into an electrolyte, the deposition surface comprising at least one of an evaporator base, a condenser base, or a liquid-return base. A printhead comprising pixelated electrodes and electrode-array drivers is submerged proximate to the deposition surface. A subset of the pixelated electrodes is selectively activated to generate an ionic flow through the electrolyte between the electrode subset and a portion of the deposition surface, thereby electrochemically depositing wicking structures on the base surface. Any two adjacent wicking structures positioned on the evaporator base are spaced apart by an average pitch selected to maintain a heat-transfer fluid, in a liquid phase, in contact with the evaporator base during operation of the multiphase heat exchanger.

The invention relates to the technical field of heat exchange, and particularly discloses a gallium-based alloy composite working medium and a preparation method thereof.The gallium-based alloy composite working medium comprises a main heat transfer fluid and nano particles dispersed in the main heat transfer fluid, and the main heat transfer fluid is liquid gallium-based alloy; the nano particle comprises a metal core, a non-metal shell layer coated outside the metal core and a carbon nano material layer coated outside the non-metal shell layer. The carbon nanomaterial is modified on the surface of the non-metal shell layer, the dispersion condition of nanoparticles in liquid metal is effectively improved, and meanwhile, the carbon nanomaterial can effectively mask silicon hydroxyl on the surface of the non-metal shell layer and prevent self-polymerization tendency between the non-metal shell layers by modifying the surface of the non-metal shell layer.

The disclosed technology relates to a heat transfer system and heat transfer method employing a dielectric oleaginous heat transfer fluid. In particular, the technology relates to a dielectric oleaginous heat transfer fluid with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a power system of an electric vehicles.