Abstract: A system includes a vehicle having a hybrid power train. The hybrid power train has a battery pack with a number of cells. The system further includes a heat transfer device including a shape memory alloy (SMA). The SMA in a low temperature position provides a first heat transfer environment to the battery pack, and in a high temperature position provides a second heat transfer environment to the battery pack. The first heat transfer environment provides a first heat transfer amount to the battery pack, and the second heat transfer environment provides a second heat transfer amount to the battery pack. The second heat transfer amount is greater than the first heat transfer amount.

Abstract: A heat cycle system includes: a refrigerating cycle system that circulates a refrigerant; a medium circulation circuit that includes a circulation pump for circulating a heat-transfer medium, and adjusts a temperature of a temperature control target with the heat-transfer medium; a heat exchanger that executes heat exchange between the refrigerant in the refrigerating cycle system and the heat-transfer medium in the medium circulation circuit; and a volume altering unit that alters a volume of the heat-transfer medium circulating in the medium circulation circuit.

Abstract: Apparatuses, methods, and systems directed to efficient cooling of data centers. Some embodiments of the invention allow encapsulation of cold rows through an enclosure and allow one or more fans to draw cold air from the cold row encapsulation structure to cool servers installed on the server racks. In other particular embodiments, the systems disclosed can be used to mix outside cool air into the cold row encapsulation structure to cool the servers. In some embodiments, the present invention involves fanless servers installed on the server racks and introduces fan units to draw cooling air from the cold row encapsulation structure through the fanless servers on the racks.

Abstract: A thermal cage for managing environmental conditions affecting electronic equipment. The thermal cage can be connectable with a plenum and a supply channel. Additionally, the thermal cage can include a cabinet faulting an enclosure for the electronic equipment and an outlet in fluid communication with the cabinet, wherein the outlet is connectable to the plenum. Furthermore, the thermal cage can include an inlet in fluid communication with the cabinet, wherein the inlet is connectable to the supply channel, and a thermal curtain comprising a plurality of adjustable barriers for directing air flowing through the cabinet to the outlet, wherein the thermal cage is movable.

Abstract: A system for thermal management of electronic equipment. The system can include a cabinet forming an enclosure for the electronic equipment, wherein the cabinet has an inlet and an outlet. Additionally, the system can include a supply channel connected with the cabinet inlet, wherein the cabinet is positioned on a floor and the supply channel is under the floor; an exhaust channel, wherein at least a portion of the exhaust channel is in proximity to the cabinet outlet. Furthermore, the system can include a plurality of flexible barriers forming a thermal curtain for directing air exiting the outlet of the cabinet to the exhaust channel, and wherein a position of the barriers is adjustable.

Abstract: An air conditioning system provides air to an enclosure associated with a satellite antenna that houses an amplifier or other electronic component. The air conditioning system supplies conditioned air to the bottom of the enclosure and receives return air from the top of the enclosure for improved airflow. Various implementations may also provide redundancy through the use of common supply and return plenums, or other features. In some embodiments, the air conditioning system may be conveniently retrofit onto existing satellite antenna installations to provide improved efficiency and redundancy.

Abstract: Use side heat exchangers, an intermediate heat exchanger that heats a heat medium flowing to the use side heat exchangers, an intermediate heat exchanger that cools the heat medium flowing to the use side heat exchangers, three-way valves that switch between a flow path connecting the intermediate heat exchanger to the use side heat exchangers and a flow path connecting the intermediate heat exchanger to the use side heat exchangers, and three-way valves and bypasses that control the flow rate of the heat medium flowing into the use side heat exchangers are included. When at least one of the use side heat exchangers is switched from a stop state to an operation state or switched to another operation mode, the flow rate of the heat medium flowing into this use side heat exchanger is suppressed, and a change in air output temperature in the use side heat exchangers other than this use side heat exchanger is suppressed.

Abstract: Catalyst withdrawal apparatuses and methods for regulating catalyst inventory in one or more units are provided. In one embodiment, a catalyst withdrawal apparatus for removing catalyst from a FCC unit includes a vessel coupled to a flow control circuit. Another embodiment of a catalyst withdrawal apparatus includes a vessel, a delivery line, and control valve. The control valve is configured to control the amount of gas to the delivery line and entrained with the catalyst. Another embodiment of catalyst withdrawal apparatus includes a vessel coupled to a heat exchanger. The heat exchanger includes a first conduit; a housing confining a coolant volume around a portion of the first conduit; and a sliding seal sealing the housing to the first conduit in manner that allows longitudinal expansion. A fluid catalyst cracking system coupled to a catalyst withdrawal apparatus and method for withdrawing catalyst from a unit are also disclosed.

Abstract: Exemplary embodiments relate to a system and method for monitoring functional operational reliability of a cooling system having at least one thermosyphon for transformers provided with at least one evaporator and with at least one condenser. The cooling system using a coolant which can be vaporized and a gaseous medium, as a heat carrier.

Abstract: Electrostatic precipitation is performed upstream of collector electrode surfaces toward which a downstream EHD fluid mover accelerates fluid flow. In this way, the upstream electrostatic precipitator (ESP) acts as a pre-filter (with low flow-impedance) and can reduce accumulation of otherwise detrimental materials on downstream electrodes and/or arcing. In some cases, pre-filtering by an upstream electrostatic precipitator may also reduce accumulation of otherwise detrimental materials on downstream heat transfer surfaces and/or ozone catalytic or reactive surfaces/materials. In some embodiments, an EHD fluid mover with an ESP pre-filter is used in a thermal management system to dissipate heat generated by a thermal source.

Abstract: The present invention provides a cooling apparatus capable of improving a cooling efficiency and realizing a high speed cooling process. The present invention also provides a heating apparatus capable of improving a heating efficiency of a substrate and heating the substrate at high speed.

Abstract: An ionic thermal dissipation device includes an ionic wind generation system and a power system. The power system first converts external direct current (DC) power signals into first alternating current (AC) power signals, and boosts, increases voltage, and rectifies the first AC power signals to generate high voltage DC power signals to drive the ionic wind generation system. The power system also detects current signals generated by ion excitation of the ionic wind generation system and voltage signals of the high voltage DC power signals, and regulates the high voltage DC power signals and time of driving the ionic wind generation system according to a first PWM signal and a first analog signal from an electronic device and the detected current signals and voltage signals.

Abstract: The assembly includes a pair of heat exchangers, each including an upper and lower manifold, parallel and spaced relative to one another. Tubes extend between each set of upper and lower manifolds with fins disposed between each of the tubes. A valve system controls fluid flow between the upper manifolds and the lower manifolds. The valve system is movable between a maximum cooling mode with fluid flow form the first upper manifold through both of the tubes and to said first lower manifold. A temperate mode allows fluid to flow from the first upper manifold to the first lower manifold and from the second upper manifold to the second lower manifold to prevent flash fogging. A maximum cooling mode allows fluid to flow from the second upper manifold through both of the first and second tubes to the lower manifolds.

Abstract: Plural flaps provided in a wind-pressure shutter are located approximately parallel to a direction of an airflow path, i.e., the airflow path is opened. Thus, the wind-pressure loss of cooling wind passing through the shutter can be reduced to near zero during the normal operation of the fan. If an air-backflow flows from the exhaust vent due to a fan failure, the flap slightly inclined toward the airflow path receives wind pressure of the air-backflow on its surface, thereby swings about the support shaft to close the airflow path.

Abstract: A heat dissipation system suited for dissipating heat of a heat source. The heat dissipation system includes at least one flow channel, at least one electrode pair, and a control unit. The flow channel passing through the heat source has at least two openings. The electrode pair disposed in the flow channel is near the openings. The control unit is electrically connected to the electrode pair to control the voltage of the electrode pair, so that the electrode pair is discharged to ionize the air nearby, and to produce an ionized flow in the flow channel. The control unit controls a polarity and a magnitude of the voltage of the electrode pair to change the direction and the speed of the ionized flow, so that the ionized flow flows out of or into the flow channel from at least one of the openings. A heat dissipation method is also provided.

Abstract: An ionic thermal dissipation device includes an ionic wind generating system and a power system to drive the ionic wind generating system. The power system first converts external direct current power signals into alternating current (AC) power signals, and boosts the AC power signals. The power system doubles voltage of the boosted AC power signals, and rectifies the boosted AC power signals to generate high voltage direct current power signals to drive the ionic wind generating system. The power system also detects current signals generated by ion excitation of the ionic wind generating system, and regulates the high voltage direct current power signals according to the detected current signals.

Abstract: A heat exchanger is cleaned, inspected and/or plugged while the heat exchange is in operation. In some embodiments, the heat exchanger comprises a channel cover having valve-seal assemblies allowing isolation tools to be inserted through the channel cover into sealing engagement with the ends of tubes to provide a flow path separate from the normal flow paths through the heat exchanger. Cleaning and/or inspecting can be done through the isolation tools and tubes that are leaking can be plugged through the valve-seal assemblies. In some embodiments, brushes are located inside the heat exchanger and can be independently advanced into cleaning relation with a large majority of the tubes.

Abstract: A cooling device is provided for a motor vehicle with a first heat exchanger and with a second heat exchanger that is arranged in vehicle longitudinal direction offset from the first heat exchanger. In the intermediate space between first and second heat exchanger a flow regulating device with a cross-sectional area through which cooling air can flow is arranged, whose permeability to cooling air is variable.

Abstract: One embodiment of the present invention is a method for setting and controlling temperature of a device that includes: (a) thermally contacting the device to a heat transfer apparatus, the heat transfer apparatus having an apparatus intake to receive thermal transfer fluid, an apparatus exhaust to output thermal transfer fluid, and a conduit to conduct thermal transfer fluid from the apparatus intake to the apparatus exhaust through the heat transfer apparatus; (b) flowing a first thermal transfer fluid in a first thermal control circuit at a first temperature, and flowing a second thermal transfer fluid in a second thermal control circuit at a second temperature; (c) at a first predetermined time, directing the first thermal transfer fluid to flow to the apparatus intake, and from the apparatus exhaust back to the first thermal control circuit and the second thermal transfer fluid to flow in the second thermal control circuit without flowing to the apparatus intake; and (d) at a second predetermined time, di

Abstract: A heat dissipating structure includes a frame. An accommodating space is formed inside the frame for accommodating a fan, and an opening is formed on a lateral side of the frame. The heat dissipating structure further includes at least one shutter connected to the frame in a rotatable manner. The fan is disposed on a side of the shutter. The shutter prevents airflow driven by the fan from flowing back to the other side of the shutter through the opening when the shutter rotates to a close position. The heat dissipating structure further includes a resilient component for providing a resilient force to the shutter so as to drive the shutter to the close position.

Abstract: An airflow guide includes a top cover and two side covers disposed on opposite ends of the top cover. The top cover includes a first top plate and a second top plate slidably connected to the first top plate. Each side cover includes a base plate fixedly connected to the first top plate, a sliding plate slidably connected to the base plate, and a revolving plate rotatably connected to the sliding plate.

Abstract: A heat exchange system includes an electrode configured to electrostatically control a flow of a heated gas stream in the vicinity of a heat transfer surface and/or a heat-sensitive surface.

Abstract: A method is provided for making a synthetic jet ejector.

Abstract: An oil cooler is provided for a wall of an air flow passage of a gas turbine engine. The oil cooler has a heat exchanger with an oil conduit for carrying a flow of heated oil proximal to the wall of the air flow passage. The heat exchanger is arranged to transfer heat from the heated oil to the air flowing through the passage. The oil cooler further has a system for altering the flow of air across the heat exchanger such that the heat transfer effectiveness of the heat exchanger can be adjusted.

Abstract: An constant temperature circulator for maintaining a liquid at a constant temperature including a housing that encapsulates a controller, a display, a heating element, a temperature sensor, and an electric motor having an impeller. The housing includes a first port and a second port that cooperatively define a chamber that encapsulates the impeller, an aperture and an opening, such that actuation of the impeller when the electric motor is activated by the controller moves the liquid from the aperture, through the chamber and to the opening.

Abstract: A system for cooling a device includes a heat sink comprising a substrate having a plurality of fins arranged thereon, a fan positioned to direct an ambient fluid in a first direction across the heat sink, and a first synthetic jet assembly comprising one of a multi-orifice synthetic jet and a plurality of single orifice synthetic jets. The first synthetic jet assembly is configured to direct the ambient fluid in a second direction across the heat sink, wherein the second direction is approximately perpendicular to the first direction.

Abstract: A heat transport system includes a fluid, a heat engine, and a component. The fluid has a first fluid region at a first temperature and a second fluid region at a second temperature that is different from the first temperature. The heat engine includes a shape-memory alloy disposed in contact with each of the first fluid region and the second fluid region. The heat engine is operable to transfer heat from one of the first fluid region and the second fluid region to the other of the first fluid region and the second fluid region in response to the crystallographic phase of the shape-memory alloy.

Abstract: An ionic wind heat sink includes a heat-dissipating structure and a high-voltage generator. The high-voltage generator is configured to output a positive high-voltage surge and a negative high-voltage surge. The high-voltage generator has a positive high-voltage end and a negative high-voltage end. A first electrical wire is electrically connected to the positive high-voltage end, and a second electrical wire is electrically connected to the negative high-voltage end. The two electrical wires generate an ionic wind flowing toward the heat-dissipating structure. With this arrangement, the whole mechanical construction of the heat sink can be simplified. The noise, vibrations and electricity consumption can be reduced, while the heat of a heat-generating source can be taken away efficiently.

Abstract: A heat exchanger includes a plurality of tubes, a collection tank having an inlet port and an internal chamber in fluid communication with the plurality of tubes, a header coupled to the collection tank and having a plurality of apertures each dimensioned to receive a corresponding tube, a gasket separating the header from the collection tank and sealing a gap between the header and the collection tank, and a reinforcement retaining the gasket in position between the header and the collection tank. The reinforcement includes a first web extending across the internal chamber and a second web spaced apart from the first web and extending across the internal chamber. The heat exchanger also includes a baffle coupled to and extending between the first web and the second web. The baffle extends across at least a portion of the internal chamber between the inlet port and the plurality of tubes.

Abstract: A heat dissipation device includes a heat conducting board attached to an electronic component mounted on a printed circuit board, a fin unit disposed on the heat conducting board, a fixing module and a fan secured on the fixing module. The fixing module comprises a pivoting post extending through the fin unit, a fan holder spanning over the fin unit and pivotally fixed to the pivoting post, and two fastening members engaging with two opposite ends of the pivoting post and being capable of fixing the fan holder at different positions relative to the fin unit. The fan is fixed to the fan holder of the fixing module and provides airflow towards the fin unit.

Abstract: A temperature control valve 10 for regulating the flow of coolant 15 in an automotive cooling system 11 that includes an engine 12 and a radiator 14. The temperature control valve 10 includes a valve body 40 having an inlet 42 and an outlet 46, a first valve assembly 100 that is movable between a closed position and an open position, and a chamber 74 that is adjacent to the first valve assembly 100. In the closed position of the first valve assembly 100, the inlet 42 of the valve body 100 is not in fluid communication with the outlet 46 of the valve body 100. In the open position of the first valve assembly 100, the inlet 42 of the first valve assembly 100 is in fluid communication with the outlet 46 of the first valve assembly 100. Fluid pressure within the chamber 74 is operable to move the first valve assembly 100 between the open position and the closed position.

Abstract: Emitter electrodes of ion wind fans can operate at high voltages in ionized environments. This can lead to degradation of the emitter electrodes over time. In one embodiment, the present invention provides an ion wind fan having a primary emitter electrode, and a redundant emitter electrode. The primary emitter electrode and the redundant emitter electrode are never simultaneously operational.

Abstract: A method and apparatus for cooling liquids, specifically beer, is disclosed. The method and apparatus utilize fluid carbon dioxide injected into a cooling apparatus. The cooling apparatus is submerged vertically in the beer when it is contained in a tank with the aim of cooling it.

Abstract: In an evaporator that constitutes part of a vehicular air conditioning apparatus, a sensor is provided, which is capable of detecting the temperature in the evaporator. In the evaporator, the sensor is installed on a back surface side thereof facing a downstream side, and on a first cooling section, through which air from a first blower unit flows. Also, the sensor is installed at a position in the vicinity of a supply conduit that supplies a coolant medium with respect to the evaporator. At a region where a maximum low temperature in the evaporator occurs, and for which there is a fear of freezing due to moisture contained within the air, the temperature is detected by the sensor.

Abstract: A cooling system for a vacuum processing apparatus is provided with an internal heat conduction path for transfer of heat entering the subject body through the vacuum processing apparatus, a heat radiation path for radiation of the heat to an outside of the vacuum processing apparatus and a heat conduction path for regulation of quantity of heat transfer between the internal heat conduction path and the heat radiation path. Preferably, a heat pipe is applied to the internal heat conduction path.

Abstract: An exhaust heat recovery system (EHRS) for a vehicle is operable to direct exhaust heat to a vehicle transmission under certain operating conditions. In some embodiments, the EHRS may also direct exhaust heat to a heater for vehicle passenger compartment. Preferably, the EHRS is controllable to manage available exhaust heat according to vehicle operating conditions, by prioritizing the heat flow among the engine, the transmission, and the vehicle heater. The EHRS may also operate in a bypass mode during which exhaust heat is not directed to the engine, the transmission or the vehicle heater. A method of managing exhaust heat recovery on a vehicle having an EHRS is also provided.

Abstract: A heat exchanger including a tank with first and second ends defining a length and a cross-sectional area transverse to the length. An inlet orifice defined at the first end through which fluid flows in a first direction into the tank, the inlet orifice having a cross-sectional area transverse to the first direction. A voluminous region defined by boundaries which extend generally linearly from the circumference of the cross-sectional area of the inlet orifice to the circumference of the cross-sectional area of the tank. A plurality of conduits providing an outlet for fluid flow from the tank in a second flow direction at a non-parallel angle to the first flow direction. A flow diverter positioned within the voluminous region to direct a portion of fluid flow out of the region and distribute the total volume of fluid flow from the inlet substantially uniformly between the plurality of conduits.

Abstract: A countercurrent chromatography apparatus includes a plurality of plates, at least one plate (16) having first and second interleaved spiral flow channels (52, 54, 56, 58) therein. Each spiral flow channels (52, 54, 56, 58) has a first end (I1, I2, I3, I4) near the central axis and a second ends (O1, O2, O3, O4) near the periphery. The outlet of the first channel (O1) is connected to the inlet of the second channel (I2) by a connecting channel (72). Septa may be provided between the plates to connect the spiral channels of one plate to the spiral channels of the next plate.

Abstract: A heat exchanger comprises a substantially pillar sheathed heater, a substantially cylindrical case, and a spiral spring. The sheathed heater is accommodated in the case. The spring is provided so as to be wound around an outer peripheral surface of the sheathed heater. Thus, a spiral flow path is formed among an outer peripheral surface of the sheathed heater, an inner peripheral surface of the case, and the spring. The spring functions as a flow velocity conversion mechanism, a turbulent flow generation mechanism, a flow direction conversion mechanism, and an impurity removal mechanism. A water inlet and a water outlet are respectively arranged at positions eccentric from a central axis of the case on a side surface of the case.

Abstract: A precision surface plate has a hollow casing with a reference plane used as a surface on which either or both of a workpiece and mechanical equipment are placed, a honeycomb structure, which is a collection of substantially identically-shaped enclosed cells disposed inside the casing, and a heat transfer device provided in the honeycomb structure to allow cells of the honeycomb structure to communicate with each other and transfer heat. The precision surface plate further includes casing ventilation openings provided in a wall of the casing to allow cells of the honeycomb structure inside the casing to communicate with the outside of the casing, and a shutter for opening and closing the casing ventilation openings. The heat is transferred effectively between the cells of the honeycomb structure through the heat transfer device.

Abstract: A system for managing a structure having cooling fluid configured to flow around and absorb heat from components contained in the structure includes a plurality of separate cooling mechanisms configured to absorb heat from the cooling fluid. At least two of the plurality of separate cooling mechanisms have at least one different level of a metric with respect to each other. The system also includes a controller configured to implement the plurality of separate cooling mechanisms in a staged manner to remove heat from the cooling fluid. The staged manner includes implementing the cooling mechanism having a relatively lower at least one metric level first and implementing a cooling mechanism having a relatively higher at least one metric level last, to cool the structure.

Abstract: A heat exchanging apparatus comprising of plurality of disk type heat exchanger units, disk type heat exchanger units having an inlet and an outlet as a tubular member. Disposed within a disk type heat exchanger unit is a chamber to facilitate flow of heat exchange media, having a heat exchange medium directing member disposed within the chamber to direct flow of heat exchange media herein, said disk type heat exchanger units having connecting members disposed within to provide additional structural support.

Abstract: Methods for the non-contact heating of an electronic substrate using inline heating elements in combination with an automatically controlled airflow. Air heated by the elements is communicated to one or more plenums, which discharge the heated air towards an impingement plate. The impingement plate includes a plurality of openings through which heated air from the plenum passes on its way to heat the electronic substrate. The automatic control of the airflow may be prompted by an operating condition, such as a sensed airflow and/or a transition into an equipment operating mode, e.g., a warm-up, standby, halt production and cool down state. Production may be automatically optimized by using a profile to conjunctively control both the heating of the air and the directing the flow of the heated air. Such a profile accounts for a combined affect of both heating the air and directing the flow of the heated air.

Abstract: The invention relates to liquefied natural gas. Particularly, the invention relates to indirect heat exchange means utilized in liquefaction processes. Specifically, the invention relates to the utilization of flow diversion plates within heat exchangers.

Abstract: There is provided an indoor unit of an air conditioner which is able to prevent dew condensation on upper and lower vertical wind direction plates. When a cooling operation is started, control means of the indoor unit 1 of the air conditioner causes a lower flap 200 to tilt counterclockwise to abut on a lower stopper 260 first (S1), causes the lower flap 200 to tilt clockwise to stop in a fan casing 60 (S2) subsequently, then causes a front flap 100 to tilt counterclockwise to abut on a front stopper 160 (S3), causes the front flap 100 to tilt clockwise to stop the same in the fan casing 60 subsequently (S4), and arranges the lower flap 200 and the front flap 100 smoothly so as to form a substantially identical curved surface even though there exists a gap between terminal ends.

Abstract: A shell and tube heat exchanger system comprising at least one adjustable modular end assembly and an adjustable modular end assembly for use with the same.

Abstract: An oil cooler for a motor vehicle includes a fluid inlet tank and a fluid outlet tank. A plurality of heat transfer tubes provides constant fluid communication between the inlet tank and the outlet tank. A bypass arrangement provides additional fluid communication between the fluid inlet tank and the fluid outlet tank under a first operating condition and the bypass arrangement precludes additional fluid communication between the inlet tank and the outlet tank under a second operating condition. The bypass arrangement may include a bypass tube and an element for selectively blocking the bypass tube. The element for selectively blocking the bypass tube may be automatically response to a change in oil temperature or a change in oil pressure.

Abstract: A charge air cooler comprising at least one tubular element with an internal flow duct for leading compressed air between an inlet aperture and an outlet aperture. A medium at a lower temperature than the compressed air is caused to flow in contact with an outside surface of the tubular element cooling the compressed air in the tubular element when the air is led through the flow duct. A movable control element is arranged close to the inlet aperture or the outlet aperture of the flow duct. A control for the control element provides a variable flow of compressed air through the flow duct as the movable control element is placed in various positions.

Abstract: A constructional unit for a heat exchanging device that includes at least one housing in which a gaseous medium is at least partially guided on a predetermined path, an inlet device for the gaseous medium, at least one first heat exchanging device, at least one second heat exchanging device, at least one controller that influences the direction of flow of the gaseous medium in at least some sections and that can be adjusted to at least two different positions, and an outlet device for the gaseous medium. In at least one first position of the first controller, substantially no portions of the gaseous medium are guided through the first heat exchanging device.

Abstract: A vehicular air conditioner includes a housing having a rear seat discharge passage for supplying mixed air to rear seats in a vehicle and a plurality of dividing ribs disposed in a face outlet which is open upwardly in the housing. Each of the dividing ribs has a communication path defined therein in the longitudinal direction thereof, the communication path being concave in confronting relation to the interior of the housing. Mixed air produced in a mixing portion in the housing is supplied from the face outlet to front seats in the vehicle. Part of the mixed air is supplied through the communication paths to the rear seat discharge passage, from which the mixed air is supplied to the rear seats.