Abstract: A breaker includes a fixed piece having a fixed contact, a movable piece having an elastically deformable elastic portion and a movable contact formed at a tip portion of the elastic portion and pushed to contact with the fixed contact, a thermally actuated element deformable according to a temperature change to shift the state of the movable piece from a conductive state to a cut-off state, and a case accommodating the fixed piece, the movable piece, and the thermally actuated element. The movable piece is cantilevered by the case on a base end portion side of the elastic portion, the elastic portion includes a first narrow portion having a smaller width dimension in a short direction perpendicular to a longitudinal direction of the elastic portion than the base end portion, and the first narrow portion has an arc-shaped contour in plan view from a thickness direction of the elastic portion.

Abstract: A cooling device for a computing system is disclosed. The device includes a heat sink, a base, and a cover. The heat sink includes a plurality of fins extending from a first section of the heat sink. The base includes a plurality of grooves on a first side. The plurality of grooves is configured to mate with at least a portion of the plurality of fins of the heat sink. The cover is configured to be coupled to the base and encapsulate the heat sink. The cover further includes two apertures, each aperture configured to be connected to a tube. A width of the plurality of fins of the heat sink is less than a width of the plurality of grooves of the base. A height of the heat sink is less than a height of an interior portion of the cover.

Abstract: A cooling device for a computing system is disclosed. The cooling device includes an inlet conduit, a first cold plate, a connecting conduit, a second cold plate, an outlet conduit, and a heat conductor. Coolant flows through the inlet conduit. The first cold plate has a first inlet surface and a first outlet surface. The inlet conduit is coupled to the first inlet surface. The inlet conduit transfers the coolant into the first cold plate. The connecting conduit is coupled at one end to the first outlet surface. The coolant flows from the first cold plate through the connecting conduit. The second cold plate has a second inlet surface and a second outlet surface, the connecting conduit being coupled at another end to the second inlet surface. The outlet conduit is coupled to the second outlet surface. The coolant flows from the second cold plate through the outlet conduit.

Abstract: A circuit board assembly for electronic devices includes a circuit board having a first surface and a second surface opposite the first surface, and a heat sink carrier disposed on the first surface of the circuit board. The heat sink carrier includes at least one clamp portion. The assembly also includes a heat sink. The heat sink is positioned in the at least one clamp portion of the heat sink carrier to transfer heat from one or more electronic devices to the heat sink via the heat sink carrier.

Abstract: An uninterruptible power supply (UPS) includes: a housing defining an interior space; a door operatively connected to the housing, the door being configured to be selectively opened and closed for accessing the interior space of the housing; san electrical system enclosed within the housing; at least one liquid cooling device mounted to a target component of the UPS disposed within the housing for cooling thereof, the at least one liquid cooling device defining a fluid conduit for circulating fluid therethrough; and a pumping module including at least one pump fluidly connected to the at least one liquid cooling device for circulating fluid therethrough, each of the at least one pump and the fluid conduit of the at least one liquid cooling device defining in part a liquid cooling circuit, the pumping module being mounted to the door and disposed on an exterior side thereof.

Abstract: An optical transceiver according to an embodiment includes: a housing having inner sides defining an inner space inside the housing; an optical module including a package, a semiconductor device, and a sleeve, the package being configured to house the semiconductor device, the semiconductor device generating a Joule heat, the sleeve being attached to an outside of the package, the sleeve being fixed to the housing with keeping the package away from the inner sides; a heat-conducting material filled between the package and one of the inner sides, the heat-conducting material including an oily component; and a sheet member being placed between the heat-conducting material and the package, the sheet member covering the heat-conducting material to prevent the oily component from reaching the optical module. The Joule heat is conducted from the package to the housing through the sheet member and the heat-conducting material.

Abstract: An active/passive fuse module including a base, a busbar disposed on the base and including a fuse element extending over a cavity in a top surface of the base and having a plurality of weak points formed therein, a pyrotechnic interrupter (PI) disposed atop the base and including a piston disposed within a shaft above the fuse element, the piston having an edge with a geometry that corresponds to a geometry of a pattern defined by the weak points in the fuse element, a first pyrotechnic ignitor coupled to a controller and configured to detonate and force the piston through the fuse element upon receiving an initiation signal from the controller, and a second pyrotechnic ignitor coupled to the busbar by a pair of leads and configured to detonate and force the piston through the fuse element upon an increase in voltage across the leads.

Abstract: A cooling system for a computing device includes an outer chassis of the computing device, a heat spreader, a heat bridge, and a heat dissipating structure. The outer chassis of the computing device is configured to support heat generating modules. The heat spreader is integrated into the outer chassis. The heat bridge couples the heat spreader to a corresponding heat generating module at a first location in the computing device. The heat dissipating structure is coupled to the heat spreader at a second location in the computing device. The second location is positioned in the computing device to experience higher airflow than the first location.

Abstract: At a connection portion between a common duct penetrating in an arrangement direction through switchgears arranged in the arrangement direction inside an electrical room, and an exhaust duct via which the common duct and outside of the electrical room communicate with each other, an end of the common duct is bent inward to form a first exhaust duct joining portion, and an end of the exhaust duct is bent outward to form a common duct joining portion. In a state in which an outer surface of the first exhaust duct joining portion and an inner surface of the common duct joining portion are in contact with each other, the first exhaust duct joining portion and the common duct joining portion are fastened and fixed by two or more pairs of bolts and welding nuts.

Abstract: A solar powered cooler for a smart device such as a smartphone or smart tablet is provided, optionally with a device holder and a solar powered charger unit. The cooler may include an upper fan casing, an optional bottom fan casing, smart device holder, and an air passage formed between the upper fan casing and the smart device holder. The heat dissipation structure of the smart device holder for holding a smart device is disposed in the close proximity space of the smart device to provide a good heat dissipation effect by way of active cooling (forced convection) and passive cooling (natural convection) so as to enhance the heat dissipation performance of the smart device.

Abstract: This relay unit includes: a first bus bar; a relay electrically connected to the first bus bar; and an apparatus cover for covering the first bus bar and the relay. The apparatus cover includes: an upper member in a box shape having a covered upper end, the upper member having an opening formed in a lower end; and a lower member bonded to the upper member such that the opening of the upper member is covered with the lower member. The lower member is formed of a resin having heat conductivity that is higher than that of the upper member. The first bus bar is connected to the lower member via a first inner heat conductive sheet such that heat can be transferred to the lower member, said first inner heat conductive sheet being disposed between the first bus bar and the lower member.

Abstract: The present disclosure provides a frequency converter. The frequency converter includes a box body and a bottom box. A bottom portion of the box body is fixedly connected with a top portion of the bottom box. A top portion of a left side of the box body and a bottom portion of the left side of the box body are fixedly connected to a respective fan. A top portion of a left side of an inner wall of the box body and a top portion of the left side of the inner wall of the box body are fixedly connected to a respective annular plate. One end of an output shaft of each fan is fixedly connected to a rotating rod. One end of each rotating rod away from the fan passes through the box body and extends to an interior of the box body.

Abstract: The invention relates to a surge protection device ensemble comprising a surge protection device having an overvoltage protection means in a first housing, wherein the first housing has at least two connections for contacting the overvoltage protection means, characterized in that the surge protection device ensemble also has a fuse module having a fuse in a second housing, wherein the second housing has at least two connections for contacting the fuse, characterized in that the second housing having one of the connections of the fuse module is inserted in a form-fitting manner into one connection of the at least two connections of the surge protection device, wherein the fuse module provides an electrical connection on the inserted side between the fuse module and the surge protection device.

Abstract: The present disclosure provides a connector assembly including a receptacle connector, a shielding shell and a heat sink. The shielding shell covers the receptacle connector. The heat sink is assembled to the shielding shell and includes a heat dissipating base plate and a heat dissipating fin soldered on the heat dissipating base plate. The heat dissipating base plate has a soldering region on which solder is provided and a recessed channel provided between a rim of the heat dissipating base plate and an outer periphery of the soldering region. The solder is provided within the soldering region in a manner such that a face of the soldering region is covered by the solder.

Abstract: The breaker is provided with a fixed contact, a movable piece having an elastic portion and a movable contact, a thermally-actuated element deforming with a change in the temperature so as to shift the movable piece from a conduction state to a cut-off state, a case main body housing the movable piece and the thermally-actuated element, a lid member attached to the case main body, and a plate-shaped cover piece embedded in the lid member. The case main body is provided with a first fixing surface fixed to the lid member, and the lid member is provided with a second fixing surface fixed to the case main body. The second fixing surface is provided with a protruding portion protruding toward the first fixing surface, and the protruding portion and the cover piece are overlapped with each other in the plan view as viewed in the thickness direction of the cover piece.

Abstract: A computer system includes a mist cooling system. The mist cooling system suspended droplets of dielectric fluid in air to form a mist and conveys the mist to heat producing components of the computer system. The liquid droplets of the mist wet the heat producing components and remove waste heat as part of a phase change from a liquid phase to a vapor phase. Vaporized dielectric fluid is condensed via a heat exchanger in a chassis of the computer system and is returned to a reservoir for use in generating mist.

Abstract: Cooling systems of one or more electronic racks in a cluster or point of deliver (PoD) are disclosed. A data center system includes an array of electronic racks. Each electronic rack contains a number of server chassis. The system further includes a number of rear cooling doors respectively connected to the electronic racks. Each rear cooling door cools warm/hot air exhaust from a corresponding electronic rack. The system further includes a number of airflow distributors. Each airflow distributor attaches to a side of an electronic rack to supply and distribute a cool/cold airflow to the electronic rack. The distributor either assembled in the PoD or pre-attached with the racks. The system further includes a containment to direct the cooled air towards the airflow distributors.

Abstract: A power supply for a computer includes a base having a bottom panel and two end panels being respectively provided with a plurality of first and second fastening sections; a fan assembly having a first frame provided with a plurality of third fastening sections located corresponding to the first fastening sections, and a heat dissipation fan fixed to the first frame; an internal part assembly including a second frame located on the bottom panel and provided with a plurality of fourth fastening sections located corresponding to the second fastening sections, and an internal part unit mounted on the second frame; and a cover being configured complementary to and covered on the base. All the fastening sections are located in a receiving space defined between the base and the cover, and the cover and the bottom panel of the base are free of any fastening holes for fastening purpose.

Abstract: A display device includes a display panel, a data driver which transmits a data voltage to the display panel, a first flexible printed circuit board attached to the display panel and including an input side wiring electrically connected to the data driver, a first printed circuit board (PCB) electrically connected to the input side wiring to transmit a high-speed driving signal to the data driver, and a metal tape overlapping the input side wiring in a plan view and attached on the first flexible printed circuit board, where a part of the metal tape overlapping the input side wiring in the plan view defines an opening.

Abstract: Exemplary embodiments of the present disclosure of a fuse may include a fuse body having a first portion and a second portion. The first and second portions may be configured to mate together thereby forming an internal cavity. A first inner termination and a second inner termination may be at least partially attachable to the first and second portions of the fuse body at respective first and second ends. A fusible element may be disposed in the cavity of the fuse body and extendable from the first inner termination at the first end of the fuse body to the second inner termination at the second end of the fuse body. The fusible element may be attachable to the first inner termination at a first connection and the second inner termination at a second connection. The first and second connections may be inspectable when the fuse is in an assembled state.