Abstract: A computing chassis, including hard disk drives positioned at a first end of the chassis; a fan module positioned at a second end of the chassis; a first baffle having acoustic absorbing material, the first baffle extending between a first and a second side of the chassis, wherein the first and second sides of the chassis extend between the first and the second ends of the chassis, the first baffle spaced-apart from the fan module a first distance; a second baffle having acoustic absorbing material, the second baffle extending between the first and the second side of the chassis, the second baffle spaced-apart from the fan module a second distance greater than the first distance, wherein the first and the second baffle extend between the first and second sides of the chassis perpendicular to an airflow, and the acoustic absorbing material of the baffles attenuate acoustic waves.

Abstract: An interoperable power distribution apparatus and systems includes N power distribution base units having a first configuration as sequentially arranged along a first dimension and secured as removably attached, and a second configuration where each of the N power distribution base units are independently and removably attached to a surface of one of N welding machine support units having various first, second, or third orthogonal dimensions, the N power distribution base units interoperable between the N welding machine support units having varied first, second, or orthogonal third dimensions, wherein N is a positive natural number between 1 and 100.

Abstract: The present disclosure makes it possible to reduce intervals between device units placed in a gas-insulated switchgear, thus achieving size reduction of the gas-insulated switchgear. A gas-insulated switchgear includes: a device housing having an operation door; a sealed container placed inside the device housing; and a circuit breaker unit and a ground switch unit attached to a side surface of the sealed container opposed to the operation door, via flange portions. A distance from the operation door to the side surface of the sealed container opposed to the operation door is different between a part where the circuit breaker unit is attached and a part where the ground switch unit is attached, so as to avoid interference between the circuit breaker unit and the ground switch unit.

Abstract: A heat pipe, a heat dissipation module, and a terminal device are disclosed. The heat pipe includes a heat pipe body and an ineffective portion that is integrally formed with the heat pipe body when the heat pipe is manufactured, where an inner side of a pipe wall of the heat pipe body has a porous capillary structure layer, the ineffective portion is located in at least a part of the periphery of the heat pipe body, and the ineffective portion is used as a mounting portion for fastening the heat pipe to another object. In a mounting process, a pressure needs to be applied only to the ineffective portion, so that the heat pipe body is not obviously affected. In this way, integrity of the porous capillary structure layer inside the heat pipe body is ensured while the heat pipe is fastened.

Abstract: A server rack, includes a separation chamber that has an input to receive a mixed two-phase fluid from a server chassis, a vapor output at a top portion of the separation chamber, and a liquid output at a bottom portion of the separation chamber. The server rack includes a condenser that is fluidly connected to the vapor output of the separation chamber to receive and condense the vapor to a liquid, and a main outlet that is fluidly connected to both the liquid output of the separation chamber and to a condenser output of the condenser. The main outlet of the server rack is fluidly connected to an external cooling system which supplies the liquid back to the server rack.

Abstract: Disclosed are a railway vehicle and a storage battery circuit breaker box thereof. The storage battery circuit breaker box comprises a circuit breaker box body, where mounting bases are arranged on side walls of the circuit breaker box body; a mounting positioning plate and a waterproof protection plate are fixedly mounted on a surface of one side of the circuit breaker box body; the mounting positioning plate is of a rectangular annular structure with an opening provided in the bottom thereof; the waterproof protection plate is located at the inner side of the mounting positioning plate; the waterproof protection plate is of a door-shaped structure; and perspective windows and a switch mounting hole are provided at the circuit breaker box body. The circuit breaker box can be mounted inside a vehicle body, maintenance by maintenance personnel outside the vehicle is facilitated, and the sealing requirements can also be met.

Abstract: A heat sink includes a main body and multiple circular pipes. The main body is in contact with at least one heat emitter. The circular pipes are disposed inside the main body. The circular pipes extend in a shape of helices and are configured to convey refrigerant. The circular pipes are arranged such that the central axes of the helices are adjacent. Each two of the circular pipes of which the central axes of the helices are adjacent to each other are intertwined with each other.

Abstract: According to the present disclosure, a laptop may be provided with a compartment including a moveable segment, an expandable heat exchanger with a movable section, and an expandable fan unit. The release of the movable segment of the compartment from a lower portion of the compartment produces an opening in the compartment and the movable section of the expandable heat exchanger is extended downward, and the expandable fan unit is lowered when the movable segment of the compartment is released.

Abstract: A tower for a high-voltage overhead electric transmission line has a predetermined shape defining an internal volume of the tower, and carries a first tension side of a first line section and a second tension side of a second line section. The first and second tension sides have respective pluralities of first and second tension terminals, each associated with a respective phase of the high-voltage overhead electric transmission line. The tower supports a switchgear unit connected at a first end to the first line section and at a second end to the second line section and configured to modify grid configuration, interrupting and restoring electrical continuity in pre-established points, to interrupt nominal and fault currents, and to carry out safety operations. The switchgear unit has a plurality of switchgear unit poles, each associated with a respective phase of the high-voltage overhead electric transmission line and including a line circuit breaker and at least one line disconnector.

Abstract: Various devices, such as storage devices or storage systems are configured to recycle heat generated during normal operation. This recycled heat can be captured and converted into electricity that can be stored for later discharge and use in cooling the storage devices. The recycling can be done through a variety of energy recycling modules that can be placed on various components within a storage device. These energy recycling modules can be a series of semiconductors that utilize various natural effects to convert heat applied on one side of the module into electricity that can be delivered to various power storing components or used in other areas of the storage device or system. These energy recycling modules can include versions that act as a cooler that can work to accelerate cooling of the storage device upon completion of a period of high usage, thereby reducing cooling costs and increasing device lifespans.

Abstract: A medium-voltage switchgear system includes a three-phase circuit breaker having first, second and third single-phase vacuum interrupters connected between respective first, second and third single-phase inputs and first, second and third single-phase outputs. Magnetic actuators are connected to first, second and third single-phase vacuum interrupters, which are configured to receive an interrupt signal and in response, actuate the respective vacuum interrupter connected thereto into an open circuit condition. A controller circuit is connected to each of the first, second and third magnetic actuators and generates an interrupt signal in response to a detected single-phase overcurrent or fault on a single-phase circuit and interrupt that single-phase circuit on which the single-phase overcurrent or fault occurred and maintain power on the remaining two single-phase circuits over which a single-phase overcurrent or fault was not detected.

Abstract: A switching arrangement includes a circuit breaker in an upright first circuit breaker encapsulation section. A first disconnector is disposed in a first disconnector encapsulation section and a second disconnector is disposed in a second disconnector encapsulation section. The disconnector encapsulation sections are disposed on a lateral surface of the circuit breaker encapsulation section.

Abstract: Embodiments are disclosed of an IT rack and a server including a cooling module. An integrated fluid distribution manifold set with a supply manifold is on the front of the rack and a return manifold is on the rear of the rack. The supply manifold extends from the front to the rear and rack connectors, which fluidly couple the rack to a data center facility system, are on the top of the rack. Supply and return connectors are positioned so that the connectors face each other within the rack. Each server includes a cooling module with a movable connector set that can extend outside the server chassis to connect with the manifolds. The cooling module's connector set includes a transmission structure that allows the supply and return connectors of the connector set to engage with connectors on the supply and return manifolds.

Abstract: To safely start and operate electrical devices accommodated in a local electrical room located in a hazardous area, a plant module (2) includes: a group of plant equipment (6) that constitutes a plant; a local electrical room (5) located in a hazardous area (31) defined by presence of combustible gas and accommodating a power device configured to supply electric power to the group of plant equipment (6); a structure (21) supporting the group of plant equipment (6) and the local electrical room (5); and an outside air supply device (64) having explosion-proof properties and arranged at the local electrical room (5) to supply outside air to an inside thereof, wherein the plant module (2) is configured to supply the electric power to the outside air supply device (64) from a non-hazardous area.

Abstract: A connector assembly is provided for facilitating live connection of equipment in a switchgear. The assembly includes two circular plates, and conductive fingers which are arranged and spaced apart around the two plates to form a finger cluster with first open-end on a first cluster end and second open-end on an opposite second cluster end. Each open-end can receive a conductor therein. Each finger can include a first finger end and an opposite second finger end which form respective first and second cluster ends; two first interior grooves which are spaced-apart on an interior surface to receive a portion of respective plates; and first and second exterior grooves on an exterior surface around the first and second finger ends respectively. The assembly also includes first and second garter springs which are arranged around the fingers in respective first and second exterior grooves to apply a force against the fingers.

Abstract: A switchgear system may include a switchgear frame, a truck and circuit breaker mounted thereon. A drive mechanism is mounted on the switchgear frame and configured to rack the circuit breaker into a) a first connected position where the primary and secondary circuits are electrically connected, b) a second test position where the primary circuit is electrically disconnected and secondary circuit connected, and c) a third disconnected position where the primary and secondary circuits are electrically disconnected, wherein said drive mechanism comprises a drive chain and shuttle configured to engage the truck and rack and fix the circuit breaker into the first connected position.

Abstract: A wearable electronic device according to various embodiments of the disclosure includes: a housing including a first housing part in which a processor is received and a second housing part in which a display is received, and a hinge connecting the first housing part and the second housing part and having a hole provided in an area in communication with an outside of the wearable electronic device. At least part of heat generated from the processor is radiated to the outside through the hinge having the hole formed therein.

Abstract: A switchgear system includes a switchgear frame having an interior compartment and front opening and containing therein at least one electrical switchgear component. A truck carries an electrical component and is supported for movement on the switchgear frame. A drive mechanism connects the truck and is configured to rack in the truck into an electrically connected position with the at least one electrical switchgear component, rack out the truck from the electrically connected position into an electrically disconnected position, and rotate the truck upward from its disconnected position into a rotated position to allow operator access through the front opening to the at least one electrical component.

Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing including a front plate, a rear plate oriented in a direction opposite to the front plate, and a side member for surrounding a space between the front plate and the rear plate; a display exposed to the outside through the front plate, wherein the side member includes at least one through hole; a middle plate disposed between the display and the rear plate and including a surface oriented toward the rear plate; and a speaker structure disposed in the space which is adjacent to the through hole and is disposed between the middle plate and the rear plate, wherein the speaker structure includes: a metal plate attached to the surface of the middle plate; a yoke disposed apart from the metal plate toward the rear plate; a heat conducting member (TIM) disposed between and in contact with the metal plate and the yoke; and a vibration plate disposed apart from the yoke toward the rear plate; and a magnet disposed bet

Abstract: A power device for continuously detecting entry and exit positions. The power device comprises: a cradle having a cradle terminal formed therein; a breaker main body mechanically and electrically connected to or separated from the cradle terminal; and a girder and a truck which are transfer devices for moving the breaker main body to a connection or separation position, wherein the power device comprises: a position detection area portion formed on a side surface of the breaker main body; and a sensor module provided with a non-contact sensor which faces the position detection area portion and detects the position of the breaker main body by sensing a moving position of the position sensing area portion, the sensor module being fixedly coupled to the inner surface of the cradle.