Abstract: A thermoelectric element according to an embodiment of the present invention comprises: a first substrate; a first insulating layer disposed on the first substrate; a second insulating layer disposed on the first insulating layer; a first electrode disposed on the second insulating layer; a semiconductor structure disposed on the first electrode; a second electrode disposed on the semiconductor structure; and a second substrate disposed on the second electrode, wherein the composition of the first insulating layer is different from the composition of the second insulating layer, the first insulating layer includes a first region disposed on the first substrate and a second region disposed between the first region and the second insulating layer, and a particle size (D50) of an inorganic filler included in the second region is greater than the particle size (D50) of an inorganic filler included in the first region.

Abstract: A cascading thermoelectric heat pump employs a stack of cold plates with a series of thermoelectric coolers sandwiched between each adjacent pair of cold plates, allowing for noise-free cooling and heating of a 67° F. water supply, capable of delivering water chilled to about 44° F. and water heated to about 90° F.

Abstract: Techniques are described herein that are capable of using variable voltage sources to control respective thermoelectric coolers independently in a thermal testing environment. The variable voltage sources create temperature differentials between first and second opposing surfaces of the thermoelectric coolers by applying input voltages to the respective thermoelectric coolers. Heat is transferred, by first heat exchanger(s), between a fluid and respective subset(s) of the thermoelectric coolers Heat is transferred, by second heat exchanger(s), between semiconductor device(s) and the subset(s) of the thermoelectric coolers.

Abstract: Circuitry and techniques described herein can use a clamp circuit to provide back-drive compensation in applications where a thermoelectric cooler (TEC) device is to be controlled. A back-drive compensation circuit can be used to inhibit or prevent a linear output stage of a TEC control circuit from being forced out of its intended operating range. The clamp circuit can be implemented using a variety of circuit topologies, such as including a comparator arrangement with hysteresis. In another approach, a linear amplifier topology can provide clamping behavior, such as by injecting or sinking a current at the output node or an intermediate node to inhibit or prevent the output node or intermediate node from being driven outside a specified voltage range by an external source.

Abstract: Actively cooled heat-dissipation lid for removing excess heat from heat-generating devices attached to printed circuit boards, processor assemblies and other electronic devices, the actively cooled heat-dissipation lid comprising a first plate configured to be placed in thermal communication with a heat-generating device, a raised sidewall to facilitate fastening the actively cooled heat-dissipation lid to the printed circuit board or processor assembly, and thereby defining a device chamber for the heat-generating devices on the printed circuit board to reside. A second raised sidewall extends from the opposite surface of the first plate to join with a second plate in a spaced relation to the first plate, wherein the opposite surface of the first plate, the second raised sidewall and the second plate together define a fluid chamber that is adjacent to the device chamber, the fluid chamber being configured to prevent any cooling fluid flowing therethrough to enter the adjacent device chamber.

Abstract: In one example in accordance with the present disclosure, a headset is described. The headset includes a sensory input device and a pad surrounding the sensory input device. The pad includes a thermo-electric cooling (TEC) device having a first side and a second side. The first side is to cool and the second side is to heat when a voltage is applied to the TEC device. The pad also includes a cooling layer in contact with the first side of the TEC device and a heat spreading layer in contact with the second side of the TEC device. The pad also includes an enclosing material enveloping the pad.

Abstract: This method is for manufacturing a thermoelectric conversion module in which a first conductive member, a thermoelectric conversion element, a second conductive member are joined by joining members, the method comprising: a step for, after applying on the first conductive member a first paste including metal particles, disposing the thermoelectric conversion element on the first paste, and compressing and spreading the first paste; a step for disposing the second conductive member, after applying a second paste including metal particles in a controlled amount, on the thermoelectric conversion element, and compressing and spreading the second paste; and a step for sintering the first and the second pastes to obtain joining members.

Abstract: A self-regulated solar power delivery system for data center. The ambient temperature outside of the data center is monitored. When the temperature exceeds a preset threshold, a controller activates switches to connect a PV system to a DC/DC converter and the DC/DC converter to a plurality of thermoelectric coolers (TECs). When the temperature drops below a second threshold, the controller disconnects the PV system. In this manner, when additional cooling is needed the most, i.e., during hot ambient temperature, the PV system also generates the most energy and can be used to energize TECs which enhance heat transportation from the processors. The PV system may also be used to activate a liquid cooling pump or other cooling devices to enhance heat removal from the servers.

Abstract: A temperature difference power generation apparatus according to one aspect of the present invention includes a thermoelectric conversion element configured to convert thermal energy into electric energy based on a temperature difference, radiation fins which are thermally connected to a low-temperature side of the thermoelectric conversion element and contactable to outside air, and a pipe which is thermally connected to a high-temperature side of the thermoelectric conversion element and through which a high-temperature fluid at a higher temperature than the outside air is flowable.

Abstract: A heat rejection panel that comprises a chassis having a first side, an opposing second side, and an aperture extending therethrough. The panel additionally comprises at least one oscillating heat pipe (OHP) plate disposed over a portion of the first side and/or the second side of the chassis. Each OHP plate includes a first face, an opposing second face, and a plurality of internal OHP channels. A portion of the first face and/or second face of each OHP plate is accessible for thermal interfacing with a heat source. A portion of the second face of each OHP plate is accessible for thermal interfacing with a heat sink. Each OHP plate will remove heat from the heat source, spread the removed heat throughout each OHP plate to provide an isothermal OHP plate, and reject the heat to the heat sink.

Abstract: Proposed are a blower for a ventilation seat having a warm-air-blowing function and a vehicular ventilation seat including the same. The blower moves air supplied to the vehicular ventilation seat. The blower includes a housing having an accommodation space formed therein and including an inlet receiving air and an outlet discharging air, a motor mounted in the housing, an impeller mounted in the housing and configured to be driven by the motor to move air, a printed circuit board mounted in the housing, and a heater mounted in the housing so as to be connected to the printed circuit board and configured to heat the air flowing through the housing.

Abstract: A thermoelectric module according to an exemplary embodiment includes a first metal substrate including a first through-hole, a first insulating layer disposed on the first metal substrate, a first electrode part disposed on the first insulating layer and including a plurality of first electrodes, a plurality of P-type thermoelectric legs and a plurality of N-type thermoelectric legs disposed on the first electrode part, a second electrode part disposed on the plurality of P-type thermoelectric legs and the plurality of N-type thermoelectric legs and including a plurality of second electrodes, a second insulating layer disposed on the second electrode part, and a second metal substrate disposed on the second insulating layer and including a second through-hole, wherein the first metal substrate includes an effective region in which the first electrode part is disposed and a peripheral region formed outside the effective region, the second metal substrate includes an effective region in which the second electr

Abstract: A thermoelectric power generation module mounting substrate includes: a printed substrate having a heat transfer through-hole penetrating a first surface and a second surface opposite to the first surface, and being in contact with a housing on the second surface; and a thermoelectric power generation module mounted on the printed substrate in contact with the first surface.

Abstract: The present disclosure is related to structures for and methods for producing thermoelectric devices. The thermoelectric devices include multiple stages of thermoelements. Each stage includes alternating n-type and p-type thermoelements. The stages are sandwiched between upper and lower sets of metal links fabricated on a pair of substrate layers. The metal links electrically connect pairs of n-type and p-type thermoelements from each stage. There may be additional sets of metal links between the multiple stages. The individual thermoelements may be sized to handle differing amounts of electric current to optimize performance based on their location within the multistage device.

Abstract: This document describes a thermal-control system that is integrated into a media-streaming device. The thermal-control system includes a combination of heat spreaders and materials with high thermal-conductivity. The thermal-control system may spread, transfer, and dissipate energy from a thermal-loading condition effectuated upon the media-streaming device to concurrently maintain temperatures of multiple thermal zones on or within the media-streaming device at or below multiple respective prescribed temperature thresholds.

Abstract: A thermoelectric element according to an embodiment of the present invention comprises: a first metallic substrate; a first resin layer which is disposed on the first metallic substrate and comes in direct contact with the first metallic substrate; a plurality of first electrodes disposed on the first resin layer; a plurality of P-type thermoelectric legs and a plurality of N-type thermoelectric legs disposed on the plurality of first electrodes; a plurality of second electrodes disposed on the plurality of P-type thermoelectric legs and the plurality of N-type thermoelectric legs; a second resin layer disposed on the plurality of second electrodes; and a second metallic substrate disposed on the second resin layer, wherein a surface of the first metallic substrate that faces the first resin layer comprises a first region and a second region disposed inside the first region, wherein a surface roughness of the second region is greater than a surface roughness of the first region, wherein the first resin layer

Abstract: A refrigerator include: an inner case having a storage chamber; a thermoelectric module including a thermoelectric element and a cooling sink; a fan configured to circulate air to the storage chamber; a fan cover configured to cover the fan and having an upper discharge hole, a lower discharge hole, and an inner suction hole formed between the upper discharge hole and the lower discharge hole; a first receiving member disposed in the storage chamber; and a second receiving member disposed over the first receiving member to be spaced apart from the first receiving member. At least a portion of each of the inner suction hole and the lower discharge hole faces a portion between the first receiving member and the second receiving member, and at least a portion of the upper discharge hole faces a portion between a top surface of the storage chamber and the second receiving member.

Abstract: A thermoelectric power generation module includes two substrates, a thermoelectric conversion element, a sealing portion sealing peripheral edges of upper and lower surfaces, a first solder between the upper surface and the sealing portion, and a second solder between the lower surface and the sealing portion. At least one of outer and inner edges of the first solder or the sealing portion is deviated from the first solder or the sealing portion. At least one of outer and inner edges of the second solder or the sealing portion is deviated from the second solder or the sealing portion. At least one of the outer and inner edges of the first solder has a fillet shape between the upper surface and the sealing portion. At least one of the outer and inner edges of the second solder has a fillet shape between the lower surface and the sealing portion.

Abstract: A display module includes a display panel on which an image is displayed, a driver chip which supplies a driving voltage to the display panel, a thermoelectric element disposed on a first surface of the display panel and which overlaps the driver chip in a plan view, and an embedded battery disposed on the first surface of the display panel, spaced apart from the thermoelectric element, and electrically connected to the driver chip and the thermoelectric element to supply power to the driver chip and the thermoelectric element.

Abstract: Various examples of thin film thermoelectric (TE) devices, their fabrication and applications are presented. In one example, a thin film TE device includes a first substrate including a void; a p-type TE element attached to the first substrate at a first end and extending over the void to a second end; an n-type TE element attached to the first substrate at a first end and extending over the void to a second end adjacent to the second end of the p-type TE element; and an interconnection coupling the second ends of the p-type TE element and the n-type TE element. In some examples, TE device layers can be vacuum sealed between a supporting substrate and a transparent substrate. A thermal spreader can include TE modules having a distribution of TE elements that operate in generating or cooling modes to cool IC or device hotspots using self-generated power.

Abstract: In some embodiments, a method and apparatus, as well as an article, may operate to determine downhole properties based on detected optical signals. An optical detection apparatus can include an optical detector including a superconducting nanowire single photon detector (SNSPD) for detecting light received at an input section of fiber optic cable. The optical detection apparatus can further include a cryogenic cooler configured to maintain the temperature of a light-sensitive region of the SNSPD within a superconducting temperature range of the SNSPD. Downhole properties are measured based on detected optical signals received at the optical detection apparatus. Additional apparatus, systems, and methods are disclosed.

Abstract: Disclosed is a wireless charger. The wireless charger includes a circuit board, a base and two transmitting coils. The circuit board is disposed in the base, a placement panel is disposed on the base, and two placement areas are disposed on the placement panel to carry two induction devices each provided with an induction coil or an induction metal. Two transmitting coils are disposed corresponding to the two placement areas in the base. Each transmitting coil is located below a respective one of the two placement area and electrically connected to the circuit board. The transmitting coil is capable of generating a magnetic field to enable electromagnetic induction with a respective one of the two induction devices so as to charge or heat the respective one of the two induction devices.

Abstract: By promoting air circulation, heat and humidity are reduced more efficiently. A vehicle seat ventilation mechanism includes: a body case which is provided in a cushioning material of at least one of a seat cushion and a seat back and whose interior is an air circulation space; a fan disposed in the body case; and an exhaust port which is provided at a position apart from the fan and discharges an air stream created by air suction by the fan. The air stream enhances the comfort of a microclimate condition on a vehicle seat side which is a rear side of a contact surface, and with this microclimate condition, a thermal environment on a seat occupant side having an increased causal factor of discomfort is replaced, thereby making it possible to enhance the comfort of the clothing microclimate.

Abstract: A system can control, with a positive temperature-voltage correlation, an output of a voltage regulator with a Peltier device. The Peltier device can receive heat from a heat-producing electronic device, and can have a positive terminal and a negative terminal. A voltage regulator circuit can include a driver device electrically coupled to an input voltage and an output terminal electrically coupled to one of the Peltier device terminals. The voltage regulator circuit can also include a differential amplifier electrically coupled to a reference voltage, an input electrically coupled to another Peltier device terminal and an output electrically coupled to the driver device. The differential amplifier can, in response to a voltage produced by the Peltier device, modulate, with a positive temperature-voltage correlation, an output voltage on the output terminal of the driver device.

Abstract: A system and method system for conveying power from a heat source is disclosed. The system includes a conduit constructed of a heat conducting material. The conduit defines a passageway containing a primary working fluid, where the conduit is either mounted upon or extends within at least a portion of a barrier. The conduit is configured to conduct thermal energy generated by the heat source and transfer the thermal energy to the primary working fluid flowing within the passageway. The system also includes a thermoelectric generator in thermal communication with the conduit. The thermoelectric generator has a hot side and a cold side. The primary working fluid transfers the thermal energy to the hot side of the thermoelectric generator to heat the hot side of the thermoelectric generator to a temperature greater than the cold side and create electric current.

Abstract: A thermoelectric generator includes a heat-receiving plate including a heat-receiving surface, a first heat conductor disposed on a surface of the heat-receiving plate opposite the heat-receiving surface and configured to transfer heat received by the heat-receiving plate, a thermoelectric generation module disposed on a surface of the heat conductor opposite the heat-receiving plate, a second heat conductor disposed on a surface of the thermoelectric generation module opposite the first heat conductor, and a cooling plate disposed on the thermoelectric generation module opposite the heat conductor, at least a part of an outer periphery of the first heat conductor being located inside a region corresponding to a pair of a P-type thermoelectric element and an N-type thermoelectric element disposed to an outer periphery of the thermoelectric generation module.

Abstract: A refrigerator appliance includes a fresh food working fluid circuit that couples a hot side heat exchanger, a fresh food cold side heat exchanger and a fresh food regenerator. A first pair of diverter valves and a hot side reservoir are coupled to the fresh food working fluid circuit. The hot side reservoir is positioned below one or both of the first pair of diverter valves. A freezer working fluid circuit couples a freezer cold side heat exchanger and a freezer regenerator. A second pair of diverter valves and a fresh food cold side reservoir are coupled to the freezer working fluid circuit. The fresh food cold side reservoir is positioned below one or both of the second pair of diverter valves. A liquid-liquid heat exchanger is also coupled to the fresh food working fluid circuit.

Abstract: The present invention generally relates to a modular microjet cooler. The modular microjet cooler may be attached to a packaged heat generating device that is mounted on a printed circuit board. The modular microjet cooler has an inlet allowing supply fluid to be directed through microjet nozzles toward an impingement surface on the packaged device. The modular microjet cooler also has one or more outlets that allow exhaust fluid to be removed. The modular microjet cooler is attached to the device after it has been packaged. Further, the modular microjet cooler may be attached to the packaged device either before or after it is mounted to the printed circuit board.

Abstract: A thermoelectric conversion module may include a plurality of n-type thermoelectric conversion elements and a plurality of p-type thermoelectric conversion elements alternating with one another, a plurality of first electrodes and a plurality of second electrodes that alternately connect the plurality of alternating n-type and p-type thermoelectric conversion elements at hot sides and cool sides, and a plurality of case electrodes, each of which selectively connects the first electrodes adjacent to each other, among the plurality of first electrodes. The first electrodes and the case electrodes are configured to be movable relative to each other so that the plurality of first electrodes are electrically connected through the plurality of case electrodes or electrical connections between the plurality of first electrodes through the plurality of case electrodes are disabled according to a relative movement of the plurality of first electrodes and the plurality of case electrodes.

Abstract: The disclosure is directed to an energy efficient thermal protection assembly. The thermal protection assembly can comprise three or more thermoelectric unit layers capable of active use of the Peltier effect; and at least one capacitance spacer block suitable for storing heat and providing a delayed thermal reaction time of the assembly. The capacitance spacer block is thermally connected between the thermoelectric unit layers. The present disclosure further relates to a thermoelectric transport and storage devices for transporting or storing temperature sensitive goods, for example, vaccines, chemicals, biologicals, and other temperature sensitive goods. The transport or storage device can be configured and provide on-board energy storage for sustaining, for multiple days, at a constant-temperature, with an acceptable temperature variation band.

Abstract: A vapor chamber with circuit unit is provided, which has a first flexible substrate structure and a second flexible substrate structure, wherein the first flexible substrate structure and the second flexible substrate structure relatively enclose a working fluid. A plurality of wicking spaces is formed between the first flexible substrate structure and the second flexible substrate structure. A circuit unit is formed at least partially on the side of the first flexible substrate structure away from the working fluid, so as to integrate the electronic components and circuit units, and to evenly dissipate the heat generated by the electronic components and circuit units. The vapor chamber with circuit unit makes an effective improvement to the space efficiency of the electronic device.

Abstract: To provide a thermoelectric conversion material having an enhanced thermoelectromotive force and a production method thereof. A thermoelectric conversion material including a matrix and a barrier material, wherein the matrix contains Mg2Si1-xSnx (x is from 0.50 to 0.80) and an n-type dopant and the barrier material contains Mg2Si1-ySny (y is from 0 to 0.30), and a production method thereof. A thermoelectric conversion material and a production method thereof, in which the movement of minority carrier is blocked by a barrier material and the thermoelectromotive force is thereby enhanced, can be provided.

Abstract: A portable cooler container with active temperature control system is provided. The active temperature control system is operated to heat or cool a chamber of a vessel to approach a temperature set point suitable for a medication stored in the cooler container.

Abstract: An optical phase shifter includes, in part, a waveguide, a heating element adapted to heat the waveguide, and a cooling element adapted to cool the waveguide. The heating element may be integrated within a substrate in which the waveguide is formed. The cooling element is biased to maintain the temperature of the waveguide within a predefined range characterized by a substantially high gradient of the thermal constant of the waveguide. The optical phase shifter may optionally include a substrate on which the waveguide is positioned. The substrate may include, in part, through substrate vias for supplying electrical signals to the cooling element. A control circuit supplies electrical signals to the heating and cooling elements. The control circuit may maintain the cooling element and heating element on concurrently. Alternatively, the control circuit may turn off the cooling element before turning on the heating element.

Abstract: A system includes a computing device operatively coupled to one or more user interface components, and a thermal cooling system for cooling the computing device. The system further includes a proximity sensor positioned adjacent a thermal vent and configured to set a proximity flag in response to detecting an object in proximity to the thermal vent. The system further includes an orientation sensor coupled to the computing device and configured to set an orientation flag in response to detecting an orientation of the computing device being such that the thermal vent is facing downward. The system further includes a processor communicatively coupled to the proximity sensor, the orientation sensor, and the one or more user interface components. The processor is configured to provide an alert for output through the one or more user interface components in response to having the proximity flag set or the orientation flag set.

Abstract: A seating assembly includes a seat having a seating surface, a first conductor, a second conductor, and a plurality of thermoelectric devices arranged between the first conductor and the second conductor in an elongated strip located proximate the seating surface. A voltage is applied to the thermoelectric devices to thermodynamically influence the seating surface. An air mover is in fluid communication with the thermoelectric devices. A conductive grease is disposed between the first conductor and the plurality of thermoelectric devices, and a conductive adhesive is disposed between the second conductor and the plurality of thermoelectric devices.

Abstract: An electric generator device is provided that includes a thermoelectric array, a base plate, and an electric power output. The thermoelectric array may include a hot side portion and a cold side portion. The base plate may be configured to receive heat from a heat source to be transferred to the hot side portion of the thermoelectric array. The electric power output may be electrically coupled to the thermoelectric array. The thermoelectric array may be configured to convert a temperature differential into an electric voltage for output to the electric power output. The power generation housing may be configured to hold a heat rejection substance that absorbs heat from the cold side portion of the thermoelectric array to facilitate generation of the temperature differential between the hot side portion and the cold side portion of the thermoelectric array.

Abstract: A thermoelectric energy harvesting device including a first thermal-coupling interface, a second thermal-coupling interface, and a membrane. The membrane arranged between the first thermal-coupling interface and the second thermal-coupling interface and connected to the first thermal-coupling interface by a supporting frame. A thermal bridge between the second thermal-coupling interface and a thermal-coupling portion of the membrane. A thermoelectric converter on the membrane configured to supply an electrical quantity as a function of a temperature difference between the thermal-coupling portion of the membrane and the supporting frame.

Abstract: A vehicle seating assembly comprises a cushion and a seating surface. A recess includes at least two branches defined in the cushion. The two branches come together at a junction and extend in a direction parallel with the seating surface. An elongate carrier is disposed between the recess and the seating surface, the elongate carrier includes a plurality of thermoelectric devices arranged along the recess. A flexible bellows extends through the cushion and has a first end in fluid communication with the junction and a second end in fluid communication with an air mover.

Abstract: A passive thermal oscillator combines a thermoelectric device and a passive analog electrical circuit to produce a time-oscillating temperature difference. The oscillator makes use of a temperature difference imposed across a thermoelectric device to produce a Seebeck voltage to periodically trigger electrical current to pass through a switch. The periodic electrical current causes periodic Peltier cooling producing a time-oscillating temperature difference across the thermoelectric device. There is no requirement for additional external energy input because the thermal energy generates a voltage that is used as the driving force. The operation is purely passive. So long as there is a temperature difference across the thermoelectric device, then the passive thermal oscillator oscillates. The passive thermal oscillator can integrate multiple energy conversion device technologies to operate cooperatively.

Abstract: An electronic device may include an organic light emitting display (OLED), a heat generating device, and a heat spreading device. The heat generating device may provide heat directly to the heat spreading device, and the heat spreading device is to dissipate the heat from the heat generating device and evenly heat the OLED and lower a driving voltage of the OLED to reduce power consumption of the OLED.

Abstract: Provided is a heat dissipation structure for an electric circuit device excellent in mass-productivity and heat radiation performance. A heat dissipation structure for an electric circuit device, the structure including a layered structure comprising: a heatsink exposed on the electric circuit device; a thermal conductive member; and a cooler, wherein the thermal conductive member is a ceramic-resin composite in which a resin composition is impregnated in a ceramic sintered body, the ceramic sintered body comprising ceramic primary particles integrated into a three-dimensional structure, and wherein the thermal conductive member is arranged such that the thermal conductive member directly contacts with at least one of the heatsink and the cooler.

Abstract: A thermoelectric conditioning arrangement may comprise a first antenna/splitter configured to transmit a power & control signal, a second antenna/splitter configured to receive the power & control signal, a waveguide coupled between the first antenna/splitter and the second antenna/splitter, wherein the power & control signal is guided from the first antenna/splitter to the second antenna/splitter via the waveguide, a power converter configured to receive the power & control signal from the second antenna/splitter and generate a direct current (DC) signal, and a thermoelectric cooler (TEC) configured to receive the DC signal from the power converter.

Abstract: A controller for a thermo-electric cooler is disclosed. The controller comprises a current source for providing current for driving the thermo-electric cooler and a plurality of voltage supply connections for providing a plurality of different voltages for driving current controlled by the current source through the thermo-electric cooler. Voltage selection circuitry is provided for selecting a voltage from the plurality of different voltages, when connected, and for applying the voltage selected to the thermo-electric cooler. When selecting the voltage from the plurality of different voltages, the voltage selection circuitry is configured to select the voltage that, when compared to the other voltages of the plurality of voltages, minimises a potential difference across the current source.

Abstract: A seat thermal conditioning device includes a seat portion having a vent configured to provide conditioned air to a seat occupant neck area. A thermoelectric module is arranged in the seat portion. The thermoelectric module is configured to both heat and cool an air supply to provide the conditioned air.

Abstract: The invention relates to thermoelectric devices and can be used in a variety of devices which utilize thermoelectric modules. A thermoelectric module containing n and p-type conductivity semiconducting branches, connected by means of switching buses into an electric circuit, and a protective polymer coating. The protective polymer coating is applied to the interconnected branches and buses, and the coating is an electrodepositable polymer varnish-paint composition modified with a fluoroelastomer latex.

Abstract: A thermoelectric temperature-control unit may include a first contact plate, a second contact plate, and at least one plate-shaped thermoelectric transducer. The thermoelectric transducer may have a first transducer side and a second transducer side facing away from the first transducer side. The thermoelectric transducer may be coupled to the first contact plate on the first transducer side and coupled to the second contact plate on the second transducer side. At least one of the first contact plate and the second contact plate may include a coupling zone on a respective inner side. A circumference of the coupling zone may be surrounded by a groove. A heat-conducting material may be arranged in the groove and along the coupling zone, and may directly contact the i) respective inner side and ii) one of the first transducer side and the second transducer side facing the respective inner side.

Abstract: A magnetic cooling apparatus may include a fixing module and a rotation module rotatably provided at the fixing module. The fixing module includes a plurality of magnetic regenerators and a thermal fluid supply apparatus allowing thermal fluid to exchange with the plurality of magnetic regenerators, and the thermal fluid supplying apparatus is configured to operate by the rotation module without an additional configuration, which enables the magnetic cooling apparatus to have a similar configuration.

Abstract: A heat exchange system for exchanging heat with an object may include a centrifugal blower for directing air flow in a downward and an outward direction, a heat sink base positioned to receive the air flow from the centrifugal blower, a diffuser on the heat sink base and in the path of the air flow from the centrifugal blower, the diffuser having vanes that are in thermal communication with the heat sink base that direct the air flow from the blower outward over the heat sink base, and a thermoelectric device having a low temperature side and a high temperature side, where the thermoelectric device is in thermal communication with the heat sink base on the low temperature side and the high temperature side.

Abstract: A thermoelectric generation unit for a cookstove or other heat source is described. The thermoelectric generation unit includes a probe, a thermoelectric module, and a fluid reservoir. The probe draws heat from a heat source such as a wood cookstove. The thermoelectric module generates an electric current based on a heat gradient created by different temperatures of contents of the fluid reservoir and the probe.