5395results about "Laminated elements" patented technology

Ultrasound devices and systems are disclosed in which cooling of an active acoustic element of an ultrasound transducer is achieved via an electrically conductive member that extends beyond a proximal side of the active acoustic element to contact a heat exchanger. The electrically conductive member delivers electrical driving signals to the active acoustic element while conducting heat to the heat exchanger. A region of the proximal surface of the active acoustic element that is free from contact with the electrically conductive member may also absent from contact with a liquid or a solid, thereby facilitating reflection of ultrasound energy. The heat exchanger may include an electrically insulating fluid that contacts the electrically conductive member to remove the heat conducted through the electrically conductive member. The active acoustic element may be a multilayer lateral mode element, and the electrically conductive member may form an electrode of the lateral mode element.

An electronic device comprises a heat source and a heat distribution structure coupled to the heat source to distribute heat generated by the heat source during operation of the electronic device.

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 heat exchanger conveys heat from a heat-generating component to a coolant. The heat exchanger includes a heat spreader plate defining an upper surface. A plurality of fins extend transversely from the upper surface to respective distal fin edges. The plurality of fins define a corresponding plurality of microchannels. A housing defines an underside surface positioned overtop the distal fin edges. The underside surface urges against the distal fin edges sufficiently to substantially inhibit a coolant from leaking from one microchannel to an adjacent microchannel. The fins can be sufficiently compressed between the heat spreader plate and the underside of the housing as to deflect the fins from an unloaded, at-rest orientation. The distal edges of the fins can be flared laterally outward. Such flared distal fin edges can be fused with the underside of the housing and the microchannels can be substantially free of any fusing material.

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

A heat sink comprising a heat exchange device having a large-scale morphology over a scale range and a small-scale texture over a scale range, wherein at least one of the large-scale morphology and the small scale texture has a fractal-like self-similarity over a scale range. The large-scale morphology and small-scale texture may be defined and implemented independently, or be provided with a transitional range. The large-scale morphology may be algorithmically optimized according to a set of geometrically constraints. The small-scale texture may be optimized according to aerodynamic parameters and constraints. The heat sink may be dynamically varying, and / or operated in conjunction with a dynamically varying heat transfer medium supply.

A two-phase cold plate that includes a manifold body having a fluid inlet and a fluid outlet each fluidly coupled to a fluid pathway housed within the manifold body and a vaporization structure housed within the manifold body such that the fluid pathway is disposed over the vaporization structure. The vaporization structure includes a cavity cover, a porous surface, a vapor cavity disposed between the cavity cover and the porous surface, and one or more porous feeding posts extending between the cavity cover and the porous surface. The one or more porous feeding posts fluidly coupled the fluid pathway with the porous surface of the vaporization structure and the porous surface includes a plurality of nucleation sites configured to induce vaporization of a cooling fluid and facilitate vapor flow into the vapor cavity of the vaporization structure.

An apparatus includes a structure configured to receive thermal energy and to reject the thermal energy into an external environment. The structure includes a lid and a body. The structure also includes (i) multiple inline and interconnected thermomechanical regions and (ii) one or more oscillating heat pipes embedded in at least some of the thermomechanical regions. Different portions of at least one of the lid and the body form the thermomechanical regions. The one or more oscillating heat pipes are configured to transfer the thermal energy between different ones of the thermomechanical regions. At least one of the thermomechanical regions includes one or more shape-memory materials configured to cause a shape of the structure to change. Each of the one or more oscillating heat pipes includes at least one channel in the structure.

A device, and method of operating the device, are disclosed. The device includes: a heat spreader having a first side and a second side opposite the first side, the heat spreader including at least one oscillating heat pipe arranged between the first side and the second side, at least one of the at least one oscillating heat pipe including a plurality of interconnected channels including a working fluid; at least one optoelectronic component coupled to the first side of the heat spreader; and at least one thermoelectric cooler, wherein a cold side of the at least one thermoelectric cooler is coupled to the second side of the heat spreader. The heat spreader may include one or more heat exchange features.

A three-dimensional heat transfer device includes a vapor chamber and a plurality of flatten heat pipes. The flatten heat pipes are disposed on the vapor chamber and arranged along an extension direction of a short side of the vapor chamber. Major axes of cross-sections of the flatten heat pipes are parallel to a long side of the vapor chamber.

A modular heat exchange assembly includes a cold plate defining a finned surface and a corresponding plurality of microchannels. Selected ones of the plurality of microchannel extend from a first end to an opposed second end. A fluid receiver unit defines an inlet port and a first fluid connector fluidically coupled with the inlet port. A fluid transfer unit defines an outlet port and a second fluid connector matingly engageable with and disengageable from the first fluid connector to fluidly couple the fluid receiver unit and the fluid transfer unit together. The fluid transfer unit defines a distribution manifold configured to distribute coolant among the selected microchannels at a position between the first ends and the second ends of the selected microchannels. The fluid transfer unit further defines a collection manifold configured to receive coolant from the selected microchannels. The collection manifold and the outlet port are fluidically coupled together.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

Embodiments of this application provide a thermal management component, a battery, and an electric apparatus. The thermal management component includes two heat exchange surfaces opposite to each other in a first direction; and multiple separating plates are provided between the two heat exchange surfaces, and the multiple separating plates are spaced apart, so as to form a flow channel. The separating plate is of a bent structure, such that the separating plate is retractable and deformable in the first direction. The separating plates of the thermal management component in the above embodiments can absorb external compressive forces, reducing the probability of structural failure of the thermal management component.

To improve heat exchange performance of a heat exchanger.SOLUTION: A plane part of a first plate 11 of a heat exchanger has: round projection parts 40 which contact with a second plate 12; and V-shaped projection parts 50 which protrude toward the second plate 12, are provided in a V shape in a longitudinal direction of a first passage 10A along a surface of the first plate 11, and face the second plate 12 while forming a gap therebetween. A plane part of the second plate 12 has round projection parts which contact with the round projection parts 40 at positions facing the round projection parts 40 of the first plate 11. The round projection parts 40 and the V-shaped projection parts 50 are disposed at multiple positions in the longitudinal direction of the first passage 10A. Each round projection part 40 is disposed, at the plane part of the first plate 11, on a virtual line A connecting a protruding part having a protruding shape in the longitudinal direction of the first passage 10A of the V-shaped projection part 50 with a protruding part having a protruding shape in the longitudinal direction of the first passage 10A of another V-shaped projection part 50 located adjacent to the V-shaped projection part 50 in the longitudinal direction of the first passage 10A.SELECTED DRAWING: Figure 3

A heat exchanger includes a fluid flow passage with a wavy fin turbulizer. The turbulizer includes sidewalls extending lengthwise along a fluid flow direction between its first and second ends, and the sidewalls are spaced apart across the width of the turbulizer. Each flow channel of the turbulizer is defined between two adjacent sidewalls. Each sidewall has a smoothly and continuously curved profile with repeating wave forms being defined along the length of the turbulizer. The continuously curved profile of the sidewalls is defined by a non-circular shape, such as elliptical, sinusoidal, parabolic and hyperbolic shapes. The radius of curvature changes constantly and reaches a maximum at or near the inflection point between adjacent crests and troughs of the profile, to provide improved particle pass-through, lower pressure drop, and enhanced plateability of internal surfaces.

A heat dissipation device is configured for a working fluid to flow therethrough. The heat dissipation device includes a base, at least one heat dissipation fin, and at least one fluid replenisher. The base has at least one internal channel configured for the working fluid to flow therethrough. The at least one heat dissipation fin having an extension channel and an inlet and an outlet is in fluid communication with the extension channel. The at least one heat dissipation fin is inserted into one side of the base, and the extension channel is communicated with the at least one internal channel through the inlet and the outlet. The at least one fluid replenisher is connected to at least one internal channel.

A heat exchanger assembly: a heat exchanger with a first tube including a first flat plate and a first shaped plate connected to each other to form a first tube channel extending along a first tube extension axis. The first shaped plate includes a stamped depression forming together with the surface of the first flat plate the first tube channel. The heat exchanger assembly further includes a chassis to which the heat exchanger is attached, with the chassis including a housing. The first tube is located externally with respect to the housing. The housing has a primary slot in which the first tube is at least partially enveloped, with the first tube facing the primary slot with the first shaped plate. The first tube is connected to the primary slot by an adhesive.

The invention relates to a heat exchanger with plates of a refrigerant-fluid circuit, the heat exchanger including at least one plurality of plates stacked on top of one another in a vertical stacking direction, the adjacent plates between each other delimiting a plurality of first circulation ducts for the refrigerant fluid in a low-pressure part of the circuit and a plurality of second circulation ducts for the refrigerant fluid in a high-pressure part of the circuit, at least two of the first circulation ducts being adjacent in the vertical direction.

The invention relates to a cooling device for cooling an electrical and / or electronic assembly (2), said cooling device comprising: a top plate (3) and a bottom plate (4), the bottom plate (4) being a deep-drawn component having a depression (40), the top plate (3) and the bottom plate (4) being arranged such that, due to the depression (40) a cooling channel (5) is formed between the top plate (3) and the bottom plate (4), the top plate (3) and the bottom plate (4) being connected to one another at a contact region (8) outside the depression (40), it being possible for a cooling fluid flow of a cooling fluid to flow through the cooling channel (5) along the longitudinal direction (11), the cooling device (1) also comprising at least one turbulator (6) that is arranged inside a turbulator section (56) of the cooling channel (5). According to the invention, a turbulence portion (61) for generating local turbulence in the flow of the cooling fluid and a blocking region (62) for locally blocking the flow of the cooling fluid are formed on the turbulator (6).

A vapor chamber includes a body sheet, and a first sheet stacked on the body sheet. The body sheet includes a vapor flow channel portion through which vapor of a working fluid flows and a liquid flow channel portion which is in communication with the vapor flow channel portion and through which liquid of the working fluid flows. The vapor flow channel portion includes a vapor passage extending in a first direction. The first sheet includes a first sheet inner surface facing the body sheet and a first sheet groove provided in the first sheet inner surface. The first sheet groove is provided at a position of overlapping with the vapor passage in a plan view and extends in a direction intersecting with the first direction.

A control system for charging an aircraft, comprising: a battery pack, an input device configured to enable a user to select between different charging modes, two main contactors connecting the battery pack to an electric propulsion unit (EPU) load and an auxiliary load, a EPU load contactor connecting the battery pack to the EPU load and a controller configured to receive the selected charge mode and control the contactors, keep the two main contactors open upon receiving a user selection to charge in a first mode, close the two main contactors and keep an EPU load contactor open upon receiving a user selection to charge in a second mode, and close the two main contactors and the EPU load contactor upon receiving a user selection to charge in a third mode.

A cooling plate for cooling chip having redundant cooling fluid circulation. A primary fluid cooling loop removes heat directly from the chip. A secondary cooling loop acts as a condenser for two phase cells, thus removing heat from the chip indirectly. The cold plate may be fabricated as two parts: bottom plate and top plate where is the fluid is divided to primary stream to the bottom plate and secondary stream to top cooling plate. Two-phase, self-contained cells may be partly immersed in the primary cooling loop and partly immersed in the secondary loop. Fluid ports circulate cooling fluid by having one orifice coupled to the primary cooling loop and one orifice coupled to the secondary cooling loop.

The gradually-expanded printed circuit board type heat exchange inner core comprises a cover plate, a bottom plate, a cold side plate layer and a hot side plate layer, a cold side gradually-expanded channel is of a flow channel structure with the width gradually expanded, and the sectional area of a flow channel dynamically adapts to gas-liquid phase change and volume change. And pressure drop fluctuation and bubble aggregation caused by gas phase expansion are reduced, the shunt channels and the divergent channels are arranged in parallel, an inner wall porous structure is combined, medium distribution uniformity is optimized through graded distribution and surface wettability enhancement, and the flow stability is remarkably improved. The turbulent flow ribs are arranged in the heat exchange channel on the heat side, combination of heterogeneous working media such as supercritical CO2-water and liquid hydrogen-liquid oxygen is supported by destroying a heat boundary layer, inducing turbulent flow and strengthening convective heat exchange and phase change heat transfer, the heat exchanger can improve the heat exchange efficiency while reducing pressure drop, compactness, reliability and wide working condition adaptability are considered, and the heat exchange efficiency is improved. Two-phase flow optimization and efficient heat exchange are achieved, and the extreme heat exchange requirements in the fields of aerospace, new energy and the like are met.

The present invention discloses a plate heat exchanger, which belongs to the field of heat exchange, comprising a plate body, a plurality of guide pillars fixedly connected to one side of the plate body, a plate body two movably sleeved on the outside of the guide pillars, and a heat exchange plate located between the plate body one and the plate body two, wherein one side of the plate body one is connected with a vertical installation component, and the vertical installation component comprises a support column fixedly connected to one side of the plate body one, a rotating seat rotatably sleeved on the outside of the support column, two lower side plates symmetrically fixed to the upper end of the rotating seat, two upper side plates respectively fixed to the upper ends of the two lower side plates, and a guide portion fixed to one side of the two upper side plates and the two lower side plates; the heat exchange plate can be vertically inserted between the two upper side plates and the two lower side plates, thereby avoiding the process of bending the heat exchange plate during installation, significantly reducing the mechanical stress on the heat exchange plate, reducing the damage such as deformation, scratches and creases that may be caused during the installation process, and improving the structural integrity and service life of the heat exchange plate.

A heat sink device including: a cover module having a liquid inlet; a central flow channel for distributing coolant fluid introduced into the liquid inlet of the cover module; a plurality of inner fins; a plurality of inner radial flow channels; wherein coolant fluid from the central flow channel flows into the inner radial flow channels; a ring segment disposed around an outer perimeter of the plurality of inner fins, wherein the ring segment is configured to at least one of, mix and distribute coolant fluid received from the inner radial flow channels; a plurality of outer fins; a plurality of outer radial flow channels; wherein coolant fluid from the ring segment flows into the outer radial flow channels; and an outer flow channel, wherein coolant fluid flowing out of the radial flow channels outlet drains into the outer flow channel.

A heat exchanger including a first tube including a first flat plate and a first shaped plate connected to each other to form a first tube channel extending along a first tube extension axis, a second tube including a second flat plate and a second shaped plate connected to each other to form a second tube channel extending along a second tube extension axis, the first tube and the second tube being fixed to each other by an interconnector. The first tube channel forms a first primary arm and a second primary arm extending parallel to each other along the first tube extension axis. The first primary arm includes a first primary inner fin and the second primary arm includes a second primary inner fin.

The present disclosure relates to an active heat dissipation apparatus including a thermal conduction panel body having a refrigerant flow space in which a refrigerant is stored and flows, in which the refrigerant flow space includes a first refrigerant flow path having a vaporization zone in which the refrigerant changes from a liquid phase to a gaseous phase, and a plurality of second refrigerant flow paths provided in a condensation zone provided in a portion other than the first refrigerant flow path and configured to guide a flow of a liquid refrigerant to the vaporization zone, and in which the second refrigerant flow paths form independent flow paths for the liquid refrigerant by a plurality of inclined guides, which protrude in the refrigerant flow space, have surfaces that adjoin one another and are in surface contact with one another, and are provided straight and inclined toward the first refrigerant flow path so as to be physically separated from the adjacent second refrigerant flow path, and by a plurality of strength reinforcement portions respectively formed on the plurality of inclined guides, thereby significantly improving heat dissipation performance.

The plate-type temperature adjusting equipment comprises a box body, a plate-type temperature adjuster and a scale wiping unit, the plate-type temperature regulator and the scale wiping unit are arranged in the box body, liquid is contained in the box body, and the plate-type temperature regulator is used for being immersed into the liquid to regulate the temperature of the liquid; the plate-type thermolator is provided with a plurality of plate-shaped fluid channels which are arranged side by side at intervals from front to back, a fluid inlet hole and a fluid outlet hole are formed in the front side and the rear side of each plate-shaped fluid channel respectively, and the fluid inlet holes and the fluid outlet holes are formed in the positions, close to the left side and the right side, of the plate-shaped fluid channels respectively. And a scale wiping unit is arranged in a gap between every two adjacent plate-shaped fluid channels, and the scale wiping units continuously do reciprocating motion in the gaps through a driving unit to disturb the side walls of the plate-shaped fluid channels, so that scaling is prevented. According to the plate type temperature adjusting equipment, the temperature of fluid is adjusted, and meanwhile impurities possibly causing crystallization and scaling are removed.

The utility model relates to the technical field of heat exchangers, and discloses a slotted water-drop-shaped fin microchannel heat sink which comprises a heat sink upper cover plate and a heat sink lower cavity, the heat sink upper cover plate and the heat sink lower cavity are connected in a sealed mode to form a heat exchange cavity, the heat sink upper cover plate is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are communicated with the heat exchange cavity. The liquid inlet and the liquid outlet are communicated with the heat exchange cavity, a micro-channel unit is arranged in the heat exchange cavity, the micro-channel unit comprises a plurality of fins which are distributed in an array mode, and each fin is in a water drop shape and comprises an arc end and a sharp corner end opposite to the arc end; a first through groove and a second through groove are formed in the arc end in the direction facing the sharp corner end in a spaced mode, and the arc end is a fluid input end. The utility model has the following technical effects: 1, the heat transfer surface area is increased, and the heat exchange efficiency is improved; resistance is reduced, and system efficiency is improved; accumulation of dirt and sediments is reduced, and the maintenance cost is reduced.

A heat exchange apparatus, a heat exchange device, a thermal management system, a control method for a thermal management system, and a vehicle are provided, to implement a heat exchange or heat preservation requirement of a to-be-heat-exchanged element, and improve performance and use safety of the to-be-heat-exchanged element. The heat exchange apparatus includes a housing and a spacer plate disposed in the housing. The spacer plate separates the housing into a first cavity and a second cavity. An outer wall on a side that is of the first cavity and that is away from the second cavity is configured to be in thermally conductive contact with a to-be-heat-exchanged element. The first cavity is provided with a first inlet and a first outlet. The second cavity is provided with a second inlet and a second outlet.