Abstract: A heat dissipating mechanism includes a first housing, a second housing and a tributary hole structure. The first housing is installed on a host casing. At least one inlet and at least one outlet are formed on two sides of the first housing. The second housing combines with the first housing, and the second housing and the host casing form a flow channel for communicating with the at least one inlet and the at least one outlet, so as to guide liquid from the at least one inlet to the at least one outlet. The tributary hole structure is formed on the flow channel and located in a position between the at least one inlet and the at least one outlet. The tributary hole structure is higher than the at least one outlet for guiding air from the at least one inlet to a fan.

Abstract: A method and apparatus for an electronic equipment enclosure that provides a frame and an enclosure surrounding the frame. One or more plenums may be arranged between the frame and enclosure and a heat exchanger may be mounted within the one or more plenums. The heat exchanger(s) may be water-based, glycol-based, refrigerant-based or based on other liquid mediums. The heat exchanger(s) may include multiple sets of fans and cooling elements, which may form a redundant cooling configuration. The heat exchanger(s) of one or more enclosures may be interconnected to a cooling controller that may control liquid-flow and air-flow rates within the one or more enclosures based on sensor signals provided to the cooling controller.

Abstract: A system and method for cooling heat-producing devices using synthetic jet embedded heat sinks is disclosed. The cooling system includes a heat sink comprising a base portion and a plurality of fins disposed on the base portion and extending vertically out therefrom, the plurality of fins spaced to define a channel between adjacent fins. The cooling system also includes at least one synthetic jet actuator attached to the heat sink, with each of the at least one synthetic jet actuators comprising a plurality of orifices therein and being configured to generate and project a series of fluid vortices out from the plurality of orifices and toward at least a portion of the channels of the heat sink.

Abstract: A system and method for cooling heat-producing devices using synthetic jet embedded heat sinks is disclosed. The cooling system includes a heat sink comprising a base portion and a plurality of fins disposed on the base portion and extending vertically out therefrom, the plurality of fins spaced to define a channel between adjacent fins. The cooling system also includes at least one synthetic jet actuator attached to the heat sink, with each of the at least one synthetic jet actuators comprising a plurality of orifices therein and being configured to generate and project a series of fluid vortices out from the plurality of orifices and toward at least a portion of the channels of the heat sink.

Abstract: A fan assembly includes a housing; a plurality of fan units mounted in the housing; and a flex printed circuit board (PCB) having a first portion, the first portion of the flex PCB electrically connected to each of the plurality of fan units, the flex PCB having a second portion, the second portion of the flex PCB including a printed circuit assembly (PCA), the PCA having mounted thereon a connector to connect to a PCA disposed within a chassis.

Abstract: A cooling fan rack includes a frame defining a union section; a plurality of stoppers arranged at four corners in the frame to cooperate with the frame to define an accommodating space; and a plurality of airflow paths formed between two adjacent stoppers to communicate with the accommodating space. The frame is provided at two lateral lower sides with a notch each, which communicate with the accommodating space. The two notches are sized for straddling two upper outer sides of a radiating fin assembly, so that the radiating fin assembly with a reduced volume can be upward fitly received in the accommodating space. A cooling fan is downward firmly fitted in the union section. Part of the cooling airflow produced by the cooling fan can flow through the airflow paths to two opposite ends of the radiating fin assembly, enabling upgraded heat dissipation effect.

Abstract: A thermal module includes a fan device having a fan and a fan housing for covering the fan. A vent is disposed on the fan housing. The thermal module further includes an airflow guiding device integrated with the fan housing monolithically and disposed on a side of the vent for guiding airflow into the vent.

Abstract: A computer system includes a computer case and an air guiding duct. The motherboard is attached to the computer case, and a heat sink is attached to the motherboard. The air guiding duct includes a top panel. A mounting member is slidably attached to the top panel and is clipped to the heat sink. A limiting device is located on the top panel and engaged with the mounting member to prevent the mounting member from sliding relative the top panel.

Abstract: A container data center includes a container and a number of information processing systems arranged in two rows. The container includes a top wall, a bottom wall opposite to the top wall, and opposite sidewalls connected between the top wall, the bottom wall, and a raised floor supporting the information processing systems. Each of the sidewalls defines an outlet and an intake respectively to above and below the raised floor. Two groups of the fans respectively are mounted in the air outtake holes of the container. Two air ducts are respectively arranged between the sidewalls and the rows of the data processing systems. Air outside the container flows into the container through the intake to cool the information processing systems, and is guided to the corresponding outlets by the air ducts to be exhausted out of the container by the fans.

Abstract: A heat transfer device is described. In one or more implementations, a heat transfer device includes a heat sink and a thermal storage enclosure disposed proximal to at least a portion of the heat sink. The thermal storage enclosure configured to be disposed proximal to a heat-generating component of a device. The thermal storage enclosure includes a phase change material configured to have a melting temperature that is below a temperature at which a cooling fan of the device is set to operate to cool the heat-generating device.

Abstract: A cooling and noise-reduction apparatus for a computing device disposable within a structure having a central air conditioning system is provided. The computing device includes a heat generating component, an enclosure having first and second inlets, a fan configured to drive coolant from the first inlet to the heat generating component, a vent operably interposed between the second inlet and the heat generating component and a controller coupled to the fan and the vent to respectively control operations thereof. The cooling and noise-reduction apparatus includes a ducting element configured to flexibly and fluidly couple the second inlet with the central air conditioning system.

Abstract: A system and method of recovering some of the latent heat of vaporization in a system having a heated environment that adds heat to liquid material and converts the liquid material into gaseous material. The latent heat of vaporization is partially recovered using a unique heat exchanger. The heat exchanger preheats the liquid material entering the heated environment with heat energy from the gaseous material exiting the heated environment. The heat exchanger has a gas flow path. A volume of a gas medium fills the gas flow path. A pump causes the gas medium to flow through the gas flow path at a predetermined mass flow rate. The gas medium and its flow rate are selected to ensure that the specific heat of the gas medium surpasses that of the gaseous material exiting the heated environment.

Abstract: An outdoor unit of a refrigeration apparatus includes an outdoor heat exchanger, first and second outdoor fans generating an air flow passing through the outdoor heat exchanger, and a fan controller configured to transition from a first operating state to a second operating state during low blow rate demand in which a low blow rate is desired. The first and second outdoor fans operate in the first operating state. The first outdoor fan continues to operate and power supply to the second outdoor fan is cut off in the second operating state. After transitioning to the second operating state, fan on/off control is performed to turn power supply to the first and second outdoor fans on and off based on one of a timer, observation of an electric current value relating to fan motors, and observation of the fan rotational speeds.

Abstract: A container data center includes a mobile container and a number of servers. The mobile container includes a main room receiving the servers, and an air shower room isolated from the main room. The air shower room includes an outer door, an inner door, a blower, and a dust absorber. The outer door connects the air shower room and is used to separate the air shower room from the outer environment. The inner door connects the air shower room and is used to separate the air shower room from the main room. The blower and the dust absorber are secured on two opposite walls of the air shower room respectively, the blower being configured for blowing air towards the dust absorber.

Abstract: A power conversion device includes a printed circuit board, whose mounting surface is opposite to an annular surface formed by an annular stator that constitutes a motor, arranged to be separated from the annular surface with a predetermined distance, and mounted with a Hall element that detects a rotation position of a rotor of the motor on a mounting surface on a side of the stator; an inverter IC that is mounted on the mounting surface on the side of the stator of the printed circuit board to supply a high-frequency current to the stator; and an overheat detection unit that is mounted on the mounting surface on the side of the stator of the printed circuit board and detects an overheated state of the inverter IC. When the overheat detection unit detects an overheated state, the inverter IC restricts or stops a current to be supplied to the stator.

Abstract: An exemplary heat dissipation device includes a fan having fixing cylinders, a heat sink having a supporting board, and fasteners fixing the fan to the heat sink. Each fastener includes a screwing pole, a first elastic member and a second elastic member encircling the screwing pole, and a fastening cylinder engaging with the screwing pole. Each screwing pole includes a head, a shaft extending coaxially downwardly from the head, and a post extending coaxially downwardly from the shaft. For each fastener, the screwing pole extends through a corresponding fixing cylinder of the fan, the first elastic member is compressed between the head and the corresponding fixing cylinder, the second elastic member is compressed between the corresponding fixing cylinder and the fastening cylinder, and the post protrudes from the fastening cylinder and is engaged with the supporting board.

Abstract: An air-conditioning apparatus includes a casing having an air inlet and an air outlet and having therein an air passage, and a heat exchanger and an air-sending fan which are arranged in the air passage in the casing. The air passage is divided into a plurality of air passage sections by, for example, a partition. The air-conditioning apparatus can reduce pressure loss in an indoor unit.

Abstract: An electronic device includes a chassis, a cooler, and a fan assembly. The chassis includes a bottom plate and defines an air inlet and an air outlet. The cooler is secured to the bottom plate. The fan assembly is secured to the bottom plate and defines a case and a roller received in the case. The roller includes a shaft and a number of blades secured to the shaft. An area of the air inlet is greater than an area of the air outlet. The fan assembly is capable of drawing in air into the roller. The air flows into the air inlet along a first direction. The air flows out of the air outlet along a second direction. The first direction is substantially parallel to the second direction. The first direction is substantially perpendicular to the shaft.

Abstract: An air guide structure of a radiator built into a straddle vehicle which exchanges heat between a cooling medium of a driving power source and ram air to release heat from the cooling medium. The air guide structure includes an electric fan provided at a core of the radiator such that it is disposed in close proximity to the core at a downstream side in a flow direction of the ram air, and a shroud provided to cover the electric fan from the downstream side and cover the electric fan from above and from both lateral sides, the shroud being open in a downward direction. The core of the radiator is provided with a ram air passage region outside of a portion of the core which is covered with the shroud when viewed in the flow direction of the ram air travelling through the ram air passage region.

Abstract: A dust-free and anti-vibration industrial computer. The industrial computer has a case sealed from the outside, a heat diffusion fin assembly mounted on the outer surface of the case, and a circulation pipe for allowing a heat generating component and at least a heat diffusion fin to be communicated with each other, or a heat pipe for transferring heat between the heat generating component and the heat diffusion fin. The heat generating component can be cooled in a state in which dust is prevented from being produced within the case.

Abstract: To improve a local cooling effect even when the rearrangement of devices is very difficult. A cooling device 1 includes a heat sink 11 disposed on a heat-generating element 2 disposed inside a housing, a heat-radiating plate 12 that thermally connects the heat sink 11 with the housing, a special-purpose duct 13 that guides cooling air directly to the heat-generating element 2, and a special-purpose fan 14 that sends out the cooling air into the special-purpose duct 13. The heat-radiating plate 12 is a leaf-spring-like component, and is in contact with the upper surface section of the heat sink 11 and the internal surface section of the housing with predetermined elasticity.

Abstract: A fan unit for a heat exchanger, has a plate-like support structure or shroud with a main opening defining an air passage for ventilation of the heat exchanger. An electric drive motor is fixed to the support structure or shroud. An impeller is arranged inside the main opening and driven by the drive motor. A spray protection screen associated with a side of the motor remote from the impeller is fixed to the support structure or shroud in such a way that, during use, it is substantially vertical and defines an inlet opening for an air flow for cooling the motor. The spray protection screen has an outwardly projecting deviating formation designed to deflect outside of the inlet opening, water which may flow over the outer surface of the screen during operation of the fan unit.

Abstract: A cooling system comprises a first cooling package, a second cooling package, and a fan control system. The first cooling package comprises a first fan and at least one heat exchanger to cool at least one fluid associated with the machine. The first fan is configured to rotate in a cooling direction and an opposite cleaning direction. The second cooling package comprises a second fan and at least one heat exchanger to cool at least one fluid associated with the machine. The second fan is configured to rotate in a cooling direction and an opposite cleaning direction. The fan control system is configured to alternate the first and second fans between a first cleaning mode and a second cleaning mode.

Abstract: A housing for electronic equipment includes a fan and a plurality of coolant channels in a passage of a cooling fluid introduced by the fan. A passage width defined by a cooling member blocking the passage, the member being one of the plurality of coolant channels closer to the fan, is smaller than a passage width defined by a cooling member blocking the passage, the member being one of the plurality of coolant channels farther away from the fan.

Abstract: A vehicle includes a heat exchanger which is disposed in a cooling system, and a fan unit which forms part of a radiator grille and is constructed to generate an air flow through the heat exchanger. The fan unit has at least one fan which is constructed to generate a primary air flow, and a ring element which is constructed to generate from the primary air flow an amplified secondary air flow to the heat exchanger.

Abstract: An air-cooled heat exchanger includes a casing, a first heat-exchanging core, a second heat-exchanging core, a first internal driving device, a second internal driving device and an external driving device. The first internal driving device is used for driving a first internally-circulated airflow to flow along a first internal circulation path. The second internal driving device is used for driving a second internally-circulated airflow to flow along a second internal circulation path. The external driving device is used for driving a first externally-circulated airflow to flow along a first external circulation path and driving a second externally-circulated airflow to flow along a second external circulation path. The first heat-exchanging core is configured to perform heat exchange between the first internally-circulated airflow and the first externally-circulated airflow.

Abstract: An electronic device includes a bottom plate, a circuit board, a fan, and an airflow guide member. The circuit board is fixed to the bottom plate. The fan is arranged at the front of the circuit board. The airflow guide member is arranged between the fan and the circuit board. The airflow guide member includes an airflow guide wall for guiding most of airflow upwards to the top of the circuit board. A number of slots is defined in the airflow guide wall, for allowing only a minimum portion of the airflow to flow underneath the circuit board.

Abstract: A computer system includes a display, a computer case securing the display, a fan assembly and a cover. A motherboard is attached to the computer case. A chip, a heat dissipating device, and a system fan are located on the motherboard. The fan assembly includes a securing plate and a fan attached to the securing plate. The securing plate covers the plurality of the memory cards. The cover defines a plurality of air intakes and a plurality of air outlets. The plurality of air intakes, the fan, the heat dissipating device, the chip, the system fan and the plurality of air outlets together form an air path for moving air therethrough.

Abstract: A cooling element for an electronic apparatus can include an inlet for receiving fluid, an outlet for forwarding fluid from the cooling element, and multiple pipes providing parallel fluid paths for passing the fluid from the inlet to the outlet. To obtain a simple and efficient cooling element, multiple base plates for receiving electronic components can be attached to the pipes for conducting heat generated by the electronic components to the fluid in the pipes.

Abstract: A power supply apparatus includes an air path extending longitudinally, a fan that blows air into the air path in a direction intersecting a longitudinal direction of the air path, and a plurality of electronic components arranged in the longitudinal direction. Each of the electronic components is cooled by air passing through the air path. With this configuration, it is possible to efficiently cool the electronic components without compromising the flexibility of arrangement of the various electronic components. Also, a dust removal operation can be readily performed without the possibility of damaging the fan.

Abstract: A cross flow fan and an air conditioner having the same are provided. The cross flow fan may include a fixing member having a plate shape, and a plurality of blades fixed to one surface of the fixing member. The plurality of blades may be arranged spaced apart from each other in a circumferential direction. An inner edge may define an end of a side of each of the plurality of blades, the inner edge extending toward a rotational shaft of the plurality of blades, and an outer edge may define an end opposite to the inner edge. A protrusion may protrude from the outer edge in one direction.

Abstract: The invention is a heat exchanger that transfers heat from one medium to another by pulling a heated medium through a series of expansion chambers and water-immersed tubes that transfers the heat from one medium to another, including a secondary set of coils to increase the efficiency.

Abstract: In accordance with an embodiment of the present disclosure, at least one of one or more pumps and a heat exchanger of a fluidic network may be fluidically coupled to its respective adjacent fluidic conduits such that it may be removed from and replaced in the chassis without discharging cooling fluid present in other fluidic components of the chassis.

Abstract: A heat-dissipating device and a heat-dissipating system are provided. The heat-dissipating system includes a driver, a heat-exchanger and a heat-dissipating device. The heat-exchanger is communicated to the driver and includes a body, a hydrophobic membrane and a cover. The body has an inlet, an outlet and a channel. Both ends of the channel exposed on a body's surface are respectively communicated to the inlet and the outlet, the inlet and outlet are communicated respectively to the driver and heat-exchanger. The membrane is disposed on the body's surface and covers the channel. The cover combines with the body and has a chamber and an exhaust port. The membrane separates the channel from the chamber communicated to the exhaust port communicated to the heat-exchanger. The driver drives a working fluid to the heat-dissipating device, and the fluid further goes to the heat-exchanger from the heat-dissipating device and then back to the driver.

Abstract: An electronic apparatus includes a heat sink for mounting a heating element, a cooling fan for supplying an airstream to the heat sink, and a housing for storing the heat sink and the cooling fan. The housing and the heat sink are equipped with a projection engaged with a hole of a flange of the cooling fan, and the cooling fan is sandwiched by the housing and the heat sink.

Abstract: An air-cooled reciprocating compressor for vehicles includes a compressing unit, which has a plurality of cylinders and is driven by a motor and has a fan for generating a cooling air flow. The fan is disposed on a connecting shaft between the motor and the compressing unit and takes in cooling air from the surroundings and delivers cooling air to a downstream cooling air duct, wherein the cooling air duct at least partially surrounds the cylinders and is designed such that cooling air can flow around all in-line cylinders of the compressing unit.

Abstract: [Object] An object is to obtain an indoor unit of an air-conditioning apparatus, the indoor unit including a propeller fan in the vicinity of an air inlet, the indoor unit being capable of ensuring the strength of a casing and suppressing degradation of performance by reducing an increase in draft resistance of sucked-in air. [Solution] In an indoor unit 1 of an air-conditioning apparatus, at least one propeller fan 10 having a fan guard 50 is disposed downstream of an air inlet 130 formed at the top of the indoor unit 1. The air inlet 130 is provided with bars 140. Each of the bars 140 is located, in a vertical cross-section perpendicular to the longitudinal direction of the bar 140, within a virtual cylinder 13 obtained by projecting a boss 11 of the propeller fan 10 in the direction of the rotation axis of the propeller fan 10.

Abstract: An exemplary heat dissipation fan includes a housing and an impeller. The housing includes a casing. The casing includes a bottom wall and a side wall extending upwardly from the bottom wall. The impeller is received in the housing. The impeller includes a hub and a plurality of blades extending radially and outwardly from the hub. Each blade has a distal end facing the side wall of the casing. The inner side of the side wall depressed towards an outer side of the casing.

Abstract: An exemplary heat dissipation device is adapted for dissipating heat generated by an electronic component mounted on a printed circuit board. The printed circuit board is secured on a casing of an electronic system. The heat dissipation device includes a heat sink disposed on the electronic component; and a plurality of fasteners extending through the heat sink, respectively, to assemble the heat sink to the printed circuit board. Each of the fasteners includes a supporting member fixed in the printed circuit board, an engaging member fixed in the board, and a screwing post engaging with the heat sink. A bottom portion of the screwing post extends through the printed circuit board via the supporting member, and is screwed into the engaging member.

Abstract: A system for restricting mixing of air in a data center includes a plurality of racks, each of the racks having a front face and a back face. The system includes an enclosure for collecting air released from the back faces of the plurality of racks, the enclosure configured to substantially contain the air in an area between the first row and the second row and having a roof panel coupled to the first row of racks and the second row of racks configured to span a distance between the first row of racks and the second row of racks. The enclosure is configured to maintain a first air pressure inside of the enclosure that is substantially equal to a second air pressure outside the enclosure.

Abstract: A heat dissipation device includes a base, a first heat sink mounted over the base and connected to the base via two first heat pipes, and a second heat sink located at a lateral side of the first heat sink and thermally connected to the base via a second heat pipe. The first heat sink includes two fin groups. One of the fin groups is stacked on the other fin group. Each of the fin groups includes a plurality of fins spreading radially from a center of the fin group to a periphery of the fin group along horizontal directions.

Abstract: A cooling apparatus comprising an impeller, a housing that encloses the impeller, an inlet opening formed between the hosing and impeller and a projection formed on the housing that extends from the housing towards the impeller.

Abstract: Provided are a low-noise, high-performance multiblade centrifugal fan that suppresses interference between rotational flows generated within extension sections that are extended in a rotation-axis direction at upper and lower end surfaces of a scroll casing, and an air conditioner equipped with the same. In a multiblade centrifugal fan having an impeller disposed in a rotatable manner about a rotation shaft within a scroll casing having a flow path whose cross section gradually increases in a rotational direction, at least one of upper and lower end surfaces of the scroll casing serves as an inclined end surface that is extended in the extending direction of the rotation shaft such that an extended height thereof gradually increases in the rotational direction from a scroll start position, and a stepped section extending in the rotational direction is provided between the inclined end surface and an inner-peripheral side surface of an extension section.

Abstract: A ceramic radiation heat dissipation structure for heat dissipation from a heat source includes a ceramic substrate, a first radiation heat dissipation film and a porous heat dissipation plate. One surface of the ceramic substrate is attached to the heat source and the other surface of the ceramic substrate is provided with a first radiation heat dissipation film. The porous heat dissipation plate is attached to the first radiation heat dissipation film. The porous heat dissipation plate has at least one heat dissipation hole, and an inner sidewall of the at least one heat dissipation hole is provided with a second radiation heat dissipation film. The heat generated by the heat source is fast propagated outwards because of the high efficiency of thermal radiation provided by the first and second radiation heat dissipation films.

Abstract: Disclosed herein is an outdoor unit for an air conditioner which improves heat exchange performance. The outdoor unit includes a main body having a suction hole for allowing air thereinto and a discharge hole for discharging air therefrom; a heat exchanger disposed within the main body, executing heat exchange with the air flowing through the outdoor unit; a suction fan provided at the suction hole side of the main body to generate upstream air flow into the outdoor unit; and a discharge fan provided at the discharge hole side of the main body to generate downstream air flow out of the outdoor unit.

Abstract: According to one embodiment, an electronic apparatus includes a housing including an outlet, a cooling fan in the housing, a component in the housing configured to serve as a wall guiding air from the cooling fan to the outlet, and a wind shielding portion between the component and an inner surface of the housing.

Abstract: A heat dissipation device includes a heat sink forming an engaging portion along an outer periphery thereof, a fan holder attached to the heat sink and a fan secured to the heat sink via the fan holder. The fan holder includes an elastic main body, a first clip pivotally connected to a free end of the elastic main body and a second clip connected with the first clip and engaging with an opposite free end of the elastic main body. The elastic main body includes a pair of fixing portions formed at upper and lower sides thereof. The lower fixing portion of the fan holder is tightly engaged with the engaging portion of the heat sink and the upper fixing portion presses the fan towards the heat sink when the second clip is tightly locked to the opposite free end of the elastic main body.

Abstract: A heat dissipation device is for dissipating heat generated from an electronic device, and includes a fan duct and a heat sink. The fan duct includes a top plate having a receiving hole penetrating therethrough. The heat sink is configured to dissipate heat from a heat-generating electronic component of the electronic device, and includes a base configured to be mounted on the heat-generating electronic component and a number of heat dissipating sheets positioned on the base. The heat dissipating sheets are long enough to extend towards the fan duct and into the receiving hole when the heat dissipation device is installed in the electronic device.

Abstract: A heat dissipation apparatus includes fins each including a body and blades extending radially outwardly from the body. The blades define cutouts therebetween. The fins are stacked together in such a manner that the cutouts of the fins cooperatively form airflow guiding channels each extending spirally from top to bottom.

Abstract: In thermal management systems that employ EHD devices to motivate flow of air between ventilated boundary portions of an enclosure, it can be desirable to have some heat transfer surfaces participate in electrohydrodynamic acceleration of fluid flow while providing additional heat transfer surfaces that may not. In some embodiments, both collector electrodes and additional heat transfer surfaces are thermally coupled into a heat transfer path. Collector electrodes then contribute both to flow of cooling air and to heat transfer to the air flow so motivated. The collector electrodes and additional heat transfer surfaces may be parts of a unitary, or thermally coupled, structure that is introduced into a flow path at multiple positions therealong. In some embodiments, the collector electrodes and additional heat transfer surfaces may be proximate each other along the flow path. In some embodiments, the collector electrodes and additional heat transfer surfaces may be separate structures.