Abstract: A fan includes a casing having an air inlet and an air outlet, an impeller housing located within the casing, an impeller located within the impeller housing for generating an air flow along a path extending from the air inlet to the air outlet through the impeller housing, a motor housing connected to the impeller housing, and a motor located within the motor housing for driving the impeller. A bellows support is provided for mounting the impeller housing within the casing. The bellows support is disposed on a seat connected to the casing. The bellows support extends about the impeller housing and forms a seal between the impeller housing and the casing.

Abstract: A contra-rotating fan system includes a fan chassis. A first fan in the fan chassis includes blades that provide airflow in a first direction when the first fan rotates in a second direction, and provide airflow in a third direction opposite the first direction when the first fan rotates in a fourth direction opposite the second direction. A second fan adjacent the first fan in the fan chassis includes the same number of blades as the first fan. The first fan and the second fan rotate at the same time in opposite directions. The blades on the second fan provide airflow in the first direction when the first fan rotates in the second direction and the second fan rotates in the fourth direction, and provides airflow in the third direction when the first fan rotates in the fourth direction and the second fan rotates in the second direction.

Abstract: A fan driver system is provided, which includes a PWM generator, a DC generator, a control unit, a pull-down resistor and an integrator. The DC generator generates a DC test voltage, and a voltage of the pull-down resistor is detected to generate a determination signal. The PWM generator provides first and second PWM test signals having different duty cycles to the fan, respectively. The integrator integrates speed signal from the fan and corresponding to the first PWM test signal, to output a first integral signal, and integrates the speed signal corresponding to the second PWM test signal, to output a second integral signal. According to the first and second integral signals, and the determination signal, the control unit drives the PWM generator to selectively provide PWM working signal to the fan, and drive the DC generator to provide DC working voltage to the fan.

Abstract: A cooling structure is designed for an electronic device including a plurality of fans causing cooling air, a plurality of electronic parts serving as heat sources, and a plurality of power source units, all of which are arranged inside the housing. The electronic parts are positioned in the downstream side of cooling air produced by the fans, while the power source units are positioned in the further downstream side of cooling air compared to the electronic parts. The power source units are spaced out from each other in the perpendicular direction to the cooling airflow direction of cooling air such that the power source units do not overlap with the electronic parts in the cooling airflow direction in plan view. The cooling structure prevents cooling air, which is temporarily warmed by the electronic parts, from directly flowing into the power source units, thus improving a cooling effect.

Abstract: The present invention discloses a tool-free fastening device for a glass side panel of computer. A glass side panel at an end of the computer is provided with a movable handle, an interior of the computer is provided with a movable plate, and the glass side panel is fixed on the computer by locking lock hooks on the movable handle into through-holes of the movable plate for positioning. When the glass side panel is to be dismantled from the computer, only the movable handle needs to be pressed to displace the movable plate, and then the glass side panel can be unlocked and release from the computer.

Abstract: A signal input device includes a casing, an input body and a support component. The casing includes at least one air-intake hole. An accommodating space is formed inside the casing. The support component supports the input body. A chamber is formed inside the support component and includes a first through hole and a second through hole. The first through hole is in fluid communication with the outside.

Abstract: A portable electronic device using a fixed main heat-dissipating module and a detachable auxiliary heat-dissipating module for contacting the fixed main heat-dissipating module. The detachable auxiliary heat-dissipating module includes an outer casing structure and an inside mounted heat-dissipating structure. The outer casing structure includes a detachable casing detachably disposed inside a predetermined receiving groove of the portable electronic device and an electrical connector electrically connected to the portable electronic device. The inside mounted heat-dissipating structure is disposed inside the detachable casing. The inside mounted heat-dissipating structure includes an inside mounted heat-dissipating fan, a plurality of inside mounted heat-dissipating fins, a pump, and a circulation pipe.

Abstract: A cooling system for use in a mass storage chassis assembly is provided. The cooling system in one example includes a frame including one or more fan bays for receiving one or more fan units, one or more fan bay connectors located in the one or more fan bays and configured to couple to and provide electrical power to the one or more fan units, a plurality of retainer devices positioned in each fan bay, with the plurality of retainer devices configured to receive and hold a plurality of projections extending from each fan unit, and the one or more fan units configured to be installed to the one or more fan bays, with each fan unit including a fan connector that couples to the corresponding fan bay connector.

Abstract: Systems and methods for thermal management for telecommunications enclosures are provided. In one embodiment, a method for thermal management for modular radio frequency (RF) electronics housed within an electronics enclosure comprises: distributing heat generated from an RF electronics component installed on a first thermal region of an electronics module base plate across the first thermal region using at least one primary heat pipe that laterally traverses the first thermal region; distributing heat generated from the RF electronics component to a second thermal region using at least one secondary heat pipe not parallel with the at least one primary heat pipe; conductively transferring heat across a thermal interface between the electronics module back-plate and a backplane of an electronics enclosure that houses the electronics module, wherein the backplane comprises a plurality heat sink fins aligned with the at least one primary heat pipe and the at least one secondary heat pipe.

Abstract: A system for storing data includes a rack and one or more data storage modules coupled to the rack. The data storage modules may include a chassis, two or more backplanes coupled to the chassis, one or more mass storage devices coupled to the backplanes, and one or more data control modules mounted in one or more inlet air plenums extending upstream of one or more of the backplanes in the chassis interior. A data control module can be mounted in one or more air plenums extending beneath one or more of the backplanes in the chassis interior. A data control module can be mounted in one or more air plenums extending above one or more of the backplanes. A data control module mounted in a data storage module may access the mass storage devices in one or more of the data storage modules coupled to the rack.

Abstract: A serial fan assembling method includes the steps of providing a first and a second fan; providing a union member having a bottom panel and two side panels, which together define a receiving space having a top forming a first open side and two axially opposite ends respectively forming a second open side; connecting the first fan to the side panels of the union member via the first open side; and connecting the second fan to the side panels of the union member via the first open side, or connecting the second fan to the bottom panel of the union member via one of the second open sides, so that the first and the second fan connected to the union member are serially located in the receiving space and connected to each other.

Abstract: A removable fan module for an electronic apparatus includes a fan connectable to an external power source through a first connector and a chassis removably insertable into the electronic apparatus. The chassis includes a main plate, a first side plate, a second side plate, a first end plate, a second end plate, and a resilient plate extending from the first end of the main plate. A first and second protuberance extends outward from each side edge of the main plate. A first and second tab extends outward from an outer surface of each side plate adjacent the main plate. A latch protrudes from the distal end of the resilient plate. The chassis is attachable to the electronic apparatus by pressing the distal end of the resilient plate toward an opening in the electronic apparatus housing with the housing opening including two defined spaces extending outward from each opening edge.

Abstract: Bumpers for electronic devices are provided. The bumpers may be formed from a polymer coupled to a housing via a primer. The primer may include a first functional group configured to form a chemical bond with the housing a second functional group configured to form a bond with the polymer. Accordingly, externally-mounted bumpers that do not impinge upon internal space within a housing may be provided. However, the bumpers may be employed for various other purposes. Related portable electronic devices, assemblies, and methods are also provided.

Abstract: A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing includes an air inlet, an air outlet and a dust channel. The air outlet includes opposite first and second end edges located at a same straight side of the housing. The housing defines a first plane. The impeller includes a hub and several blades. The impeller defines a second plane. The compartment of the housing includes an air outlet section and a pressure accumulating section. The air outlet section is located between the first and second planes. The air outlet is located in the air outlet section. The dust channel extends in an angle with respect to the second plane. An impeller is coupled to the stator that is coupled to the base. A control element includes a driving circuit and a rotating direction control circuit.

Abstract: A heat-dissipating module including a fan holding structure and a fan is disclosed. The fan holding structure includes: a carrying body, at least one resilient clamping member, at least one resilient engaging member, and a plurality of resilient fixing members. The at least one resilient clamping member and the resilient fixing members are arranged on the carrying body. An electronic device includes an opening and at least one engaging member. The resilient engaging member corresponds to the engaging member, so that the heat-dissipating module with the fan holding structure is detachably arranged at the opening. The fan of the heat-dissipating module can be quickly and effectively detached and attached through the at least one resilient clamping member and the resilient fixing members.

Abstract: The disclosed embodiments provide a component for a portable electronic device. The component includes a gasket containing a rigid portion disposed around a bottom of a heat pipe, wherein the rigid portion forms a duct between a fan and an exhaust vent of the electronic device. The gasket also includes a first flexible portion bonded to the rigid portion, wherein the first flexible portion comprises a flap that is open during assembly of the heat pipe in the electronic device and closed over the heat pipe and the rigid portion to seal the duct around the heat pipe after the assembly.

Abstract: An electronic device includes an electronic component and a fixing structure. The electronic component includes a fixing portion, and a fixing hole is formed on the fixing portion. The fixing structure is for fixing the electronic component on a base plate. The fixing structure includes a main body, a fastening portion, a fixing pillar and an engaging component. A supporting plane is formed on an end of the main body. The fastening portion is connected to the other end of the main body and for fastening the main body on the base plate. The fixing pillar is disposed on the supporting plane. The fixing pillar is inserted into the fixing hole for constraining the electronic component. The engaging component is connected to a side of the main body, and the engaging component presses the electronic component so as to engage the electronic component on the supporting plane.

Abstract: In a fan control method, consecutive temperature values are acquired at a time interval. Whether a current temperature value is higher than a threshold is determined. A difference between the current temperature value and a previous temperature value is calculated when the current temperature value is higher than the threshold. A fan is speeded up and the time interval is greatly shortened when the temperature difference is higher than a first trigger value. Only the time interval is slightly shorten when the temperature difference falls between the first trigger value and a second trigger value less than the first trigger value. Nothing to do when the temperature difference falls between the second trigger value and a third trigger value less than the third trigger value. The fan is slowed down and the time interval is extended when the temperature difference is lower than the third trigger value.

Abstract: Multi-module keying systems and methods include a chassis. A first module slot and a second module slot are located on the chassis. A keying device is movably coupled to the chassis and includes a first keying member that is located adjacent the first module slot and a second keying member that is located adjacent the second module slot. The keying device is configured to move in response to a first keyed module being positioned in the first module slot such that the first keyed module engages the first keying member. The movement of the keying device positions the second keying member adjacent the second module slot to restrict modules that may be positioned in the second module slot to second keyed modules. The systems and methods allow the second module slot to be keyed for second keyed modules based on the first keyed module positioned in the first module slot.

Abstract: A modular, scalable and expandable (MSE) rack-based information handling system (RIHS) includes: a rack assembly having a frame that defines: a front bay chassis with height, depth and width dimensions that enable insertion of a plurality of different sizes of IT gear; and a rear bay that accommodates power and cooling components to support operation of the different sizes of IT gear. The power and cooling for the IT gear are provided from the rear bay and are separate from and independent of the IT gear installed within the front bay chassis. The rack assembly further includes a power and management chassis in which is inserted a power and management module having power and management components located thereon to provide rack-level power and management. A modular configuration of fan modules are inserted within fan receptacles within the rear bay to provide block level cooling of adjacent blocks of IT gear.

Abstract: A rack mount network appliance may include a chassis that includes a front compartment proximal a front side of the chassis and a rear compartment proximal a rear side of the chassis. The chassis may be configured to be mounted in an appliance rack. A front vent on the front side of the chassis may be configured to allow air to flow between an external environment and the front compartment. A front loading module mountable in the front compartment may include a heat generating device. A front loading airflow module may be configured to draw in air within the front compartment into the front loading airflow module in a first direction and force air out of the front loading airflow module into the rear compartment in a second direction such that air is drawn in the front vent, over the heat generating device of the front loading module, and forced rearward over rear heat generating devices and out a rear vent of the chassis. The first direction may be substantially orthogonal to the second direction.

Abstract: An electronic device includes a first housing with a first air inlet and outlet, a heat dissipation assembly, and a filter structure between the first housing and the heat dissipation assembly. The heat dissipation assembly defines a second air inlet and outlet. The first air inlet, the second air inlet, the second air outlet and the first air outlet communicate with each other. The heat dissipation assembly draws air across itself from the two air inlets, and expels the air from the two air outlets. The filter structure covers the second air inlet and defines a plurality of very small holes which function to filter dust out from the incoming air.

Abstract: According to one embodiment, a mobile personal computer includes: a display panel with a display screen; a board assembly including a board and a component mounted on the board; and a housing including an outer housing constituting an outline and an inner housing arranged between the display panel and the board assembly, and houses the board assembly.

Abstract: A mobile terminal includes a display configured to output visual information, a window unit configured to cover the display, a frame configured to accommodate the display therein, and having a mounting portion for supporting the window unit, a through hole formed at the mounting portion, and a channel portion configured to communicate a space between the display and the window unit with the through hole.

Abstract: An electrical equipment chassis includes a frame open to a first side and an opposite second side and a power board located near a mid-plane of the chassis coupling power supply modules to first networking modules and a second networking module. A first region open to the first side can receive first power supply modules. A second region open to the first side is adjacent to the first region and can receive the first networking modules and the second networking module oriented with a first orientation. A third region open to the second side can receive fan trays with fans and third networking modules. The third networking modules are oriented orthogonal to the first orientation. The power board at least partially separates the first and third regions and only partially separates the second and third regions. The chassis permits air flow from the first side to the second side.

Abstract: Multi-module keying systems and methods include a chassis. A first module slot and a second module slot are located on the chassis. A keying device is movably coupled to the chassis and includes a first keying member that is located adjacent the first module slot and a second keying member that is located adjacent the second module slot. The keying device is configured to move in response to a first keyed module being positioned in the first module slot such that the first keyed module engages the first keying member. The movement of the keying device positions the second keying member adjacent the second module slot to restrict modules that may be positioned in the second module slot to second keyed modules. The systems and methods allow the second module slot to be keyed for second keyed modules based on the first keyed module positioned in the first module slot.

Abstract: The system has a driving circuit for the motor of the electric fan, coupled to the electrical system of a motor vehicle and having a plurality of controlled electronic switches, and an electronic control unit arranged to control the driving circuit in such a way as to cause the flow in the motor of a variable average current capable of producing a required speed of rotation, in accordance with a predetermined relationship or function. The control unit is designed to store a predetermined threshold of rotation speed, and to control the motor through the associated driving circuit in such a way that when the rotational speed of the motor exceeds the threshold the driving circuit causes electrical braking of the motor.

Abstract: A computer enclosure includes a sidewall and a fan mounting apparatus. The sidewall defines a ventilation area and four slide slots around the ventilation area. The fan mounting apparatus includes two opposite first position member, and two opposite second position members alternately arranged with the first position members. The first and second position members are slidably connected end to end and cooperatively define a ring. The first and second position plates are moved toward or away from each other. The first and second position members are slidably and respectively connected to the slide slots, to decrease or increase a diameter of the ring for selectively mounting different sized fans.

Abstract: A mounting apparatus includes a mounting member and a cage configured for receiving a fan. The cage includes two side plates. Each of the two side plates defines a pair of first locking openings. The mounting member includes a body and two first mounting portions extending from each of two opposite sides of the body. The two first mounting portions engage in the first locking openings of the two side plates to secure the mounting member to the cage, for preventing the fan from moving out of the cage.

Abstract: An apparatus for supporting and cooling an electronic device and methods of using the apparatus. The apparatus can include a housing for a cooling system and a support cradle for receiving the electronic device and engaging the electronic device with the cooling system.

Abstract: A heat dissipation module includes a fan and a thermal fin portion. The fan includes a fan body, a plurality of blade units and a plurality of blade extensions. The blade units are connected to the fan body. The blade extensions protrude from the blade units, respectively. A first surface is formed on a side of each of the blade extensions. A distance between the first surface and an axis of the fan body is increasing along an inflow direction. The thermal fin portion includes a plurality of fin units and a plurality of fin extensions respectively protruding from the fin units. A second surface is formed on a side facing the fan extension of each of the fin extension. An identical gap is formed between at least one portion of the first surface and at least one portion of the second surface.

Abstract: The disclosure relates to a method, circuit, and electronic device for controlling a rotation speed of a fan. The method provides a multistage function curve associates temperatures with rotation speed values. The multistage function curve comprises a first steady-state function segment with slope of zero, a second steady-state function segment with slope of zero and N function segments positioned between the first and second steady-state function segments. N is a positive integer. The slope of a (i+1)th function segment is greater than that of an ith function segment, and i is a positive integer in the range from 1 to N. The electronic device comprising the circuit may use the temperature of the processor based on the multistage function curve to dynamically control the rotation speed.

Abstract: A cooling apparatus that cools an electronic apparatus accommodated in a cabinet, the cooling apparatus includes: a plurality of cooling fans attached to the cabinet; and a control unit that controls a rotation speed of the cooling fans that have been grouped into a plurality of groups, for each of the groups, depending on a group temperature that typifies each of the groups to which the cooling fans belong.

Abstract: Embodiments of the invention are directed to methods and systems for backflow prevention for computing devices. In an embodiment, a system of sensors, processors, and airflow stimulation devices, such as fans, are used to prevent backflow of high temperature gasses through a server housing. The backflow of high temperature gasses may be a result of a pressure differential between a region in which cooling gases are disposed and a region in which high temperature exhaust gasses are disposed.

Abstract: A server cabinet, for containing a removable server including a power input port and a connecting element, includes a container, an electrically conductive component, a power supply, a signal connecting base and a rack management controller. The electrically conductive component is connected to the power input port. The power supply is connected to the electrically conductive component to supply power. The signal connecting base includes connectors connected to the connecting element. With the server removed, the power input port and the connecting element are separated from the electrically conductive component and the connector, respectively. The rack management controller is electrically connected to the signal connecting base.

Abstract: A server system includes a rack, at least one server, a power supply, a network switch device and a power cable and. The rack has a front side and a rear side disposed oppositely. The rack defines an upper area, a middle area and a lower area. The middle area is disposed between the upper and the lower area. The servers are detachably disposed in the upper or the lower area. Each server having a power input port. The power supply is disposed in the middle area and adjacent to the front side. The network switch device is disposed in the middle area and stacked with the power supply. A gap is disposed between the network switch device and the power supply. The power cable penetrates through the gap to the front side. The power supply converts an external alternating current from the power cable to the server.

Abstract: Methods are provided for creating and operating data centers. A data center may include an information technology (IT) load and a fuel cell generator configured to provide power to the IT load.

Abstract: A rack server system includes a container, an electrically conductive component, a power supply, a signal connecting base, a server, and an RMC. The electrically conductive component and the signal connecting base are fixed in the container. The power supply is electrically connected to the electrically conductive component for supplying a direct current power. The signal connecting base includes multiple connectors. The server, disposed in the container removably, includes a power input port and a connecting element. The power input port is electrically connected to the electrically conductive component removably. The connecting element is connected to the connector removably. When the connecting element is electrically connected to the connector, the RMC communicates with the server via the connecting element and the one of the connectors and determines the position of the server in the container according to another position of the connector which is electrically connected to the server.

Abstract: A method of fabricating a cooling unit is provided to facilitate cooling coolant passing through a coolant loop. The cooling unit includes one or more heat rejection units and an elevated coolant tank. The heat rejection unit(s) rejects heat from coolant passing through the coolant loop to air passing across the heat rejection unit. The heat rejection unit(s) includes one or more heat exchange assemblies coupled to the coolant loop for at least a portion of coolant to pass through the one or more heat exchange assemblies. The elevated coolant tank, which is elevated above at least a portion of the coolant loop, is coupled in fluid communication with the one or more heat exchange assemblies of the heat rejection unit(s), and facilitates return of coolant to the coolant loop at a substantially constant pressure.

Abstract: A cabinet frame enclosure is provided having a first side wall, a second side wall, a first opening and a second opening each in combination defining an interior space for accommodating a plurality of equipment, the equipment being removable through the first opening.

Abstract: A server system has an air inlet side and an air outlet side. The server system includes two server rack modules arranged side by side and a controller electrically connected to the server rack modules. Each server rack module includes a cabinet having a first side close to the air inlet side, multiple server hosts detachably disposed in the cabinet and a fan component. The fan component, disposed at the first side, includes multiple fans electrically connected to the controller. The first side of one of the cabinets abuts against the second side of the other cabinet. When the fan components operate, an air flow is formed in the cabinets. The server hosts are located in the flow path of the air flow. When one of the fans is failed, the controller is adapted for increasing a rotational speed of the fan component close to the air outlet side.

Abstract: There is provided an electric device configured to cool a plurality of plug-in units, the electric device including a plurality of slots, each slot configured to install a plug-in unit, a first fan configured to create a current of air for cooling the plug-in units, a first plug-in unit installed into a first slot, and a second plug-in unit including a second fan configured to create a current of air for cooling the first plug-in unit, the second plug-in unit being installed into a second slot adjacent to the first slot, arranged to a side of mounting component of the first plug-in unit.

Abstract: A computing device having a housing; a temperature monitor to monitor a temperature within the housing; a cooling fluid drawing mechanism to draw cooling fluid into the housing; a cooling fluid drawing controller, when the computing device is installed within an enclosure as one of plural computing devices, to obtain a value representing the temperature, and if the value is within a predetermined range, to select an operating state for the mechanism from among a first state in which the mechanism draws fluid into the housing at a first rate, and a second state in which the mechanism draws cooling fluid into the housing at a second rate lower than the first rate, and to run the mechanism in the selected state; where the selection of the state is based on demand for cooling from other computing devices from among the plurality of computing devices.

Abstract: An electronic device includes a chassis, a circuit board, and a fan module. The chassis includes a side plate defining an opening. The circuit board is located inside the chassis and includes a first connector. The fan module includes a fan and a cage enclosing the fan. The fan includes a second connector. The cage includes a first receiving member. Two latch portions are formed on opposite ends of the first receiving member. Each latch portion includes at least one block. The latch portions are deformable to allow the fan module to be placed inside the chassis through the opening. The at least one block abutting against an inner surface of the side plate. The second connector of the fan is electrically coupled to the first connector of the circuit board.

Abstract: An electronic device and housing thereof are provided. The electronic device includes housing, a partition, multiple electronic elements, and a fan. The housing has a side edge, where the side edge is provided with a slit. The partition is disposed in the case, is separated by a distance with the slit, and divides the interior of the case into a first and a second space. The partition has a through hole, the second space is in communication with the first space through the through hole, and the first space is in communication with the outside of the case through the slit. The electronic elements and the fan are disposed in the second space, and an air outlet of the fan is adjacent to the through hole, so that air in the second space can be driven to flow from the first space to the outside through the slit.

Abstract: A datacenter cooling apparatus includes a portable housing having lifting and transporting structures for moving the apparatus, opposed sides in the housing, at least one of the opposed sides defining one or more air passage openings arranged to capture warmed air from rack-mounted electronics, opposed ends in the housing, at least one of the opposed ends defining one or more air passage openings positioned to allow lateral passage of captured air into and out of the housing, and one or more cooling coils associated with the housing to receive and cool the captured warm air, and provide the cooled air for circulation into a datacenter workspace.

Abstract: According to one embodiment, an electronic apparatus includes a printed circuit board, a heat pipe, a fan unit and a fixing unit. The heat pipe has a first end physically fixed to and thermally connected to a first circuit component, and a second end opposite to the first end. The fan unit is provided in the vicinity of the second end of the heat pipe, and cools the second end. The fixing unit fixes the position of the heat pipe at a position different from the position of the first circuit component.

Abstract: In an embodiment, a medium voltage drive system includes a transformer, multiple power cubes each coupled to the transformer, and a manifold assembly. Each power cube includes cold plates each coupled to a corresponding switching device of the cube, an inlet port in communication with a first one of the cold plates and an outlet port in communication with a last one of the cold plates. The manifold assembly can support an inlet conduit and an outlet conduit and further support first and second connection members to enable blind mating of each of the first connection members to the inlet port of one of the power cubes and each of the second connection members to the outlet port of one of the power cubes to enable two phase cooling of the plurality of power cubes.

Abstract: An electronic device including a first body, a rotating base and a transmission module is provided. The rotating base has a first ventilation opening. The rotating base is pivoted on the first body and suitable for rotating between a using position and a retracted position in relative to the first body. When the rotating base is located at the retracted position, the first ventilation opening is exposed from the first body. When the rotating base is located at the using position, the first ventilation opening is retracted in the first body. The transmission module is connected to the rotating base for outputting a mechanical force to actuate the rotating base.

Abstract: The disclosed embodiments related to a component for use in a portable electronic device. The component includes a wall of the portable electronic device, containing an intake zone that includes a set of intake vents directed at a first angle toward one or more heat-generating components of the portable electronic device. The wall also includes an exhaust zone containing a set of exhaust vents directed at a second angle out of the portable electronic device.