Abstract: An electrical cartridge fuse including a cylindrical housing, first and second terminals coupled to the cylindrical housing, and a fuse element inside the housing and interconnected between the first and second terminals. The fuse element has a main body having at least five openings formed therein in a single line along a longitudinal axis of the fuse element, a guide element formed on a first end of the main body, and a hanger element formed on the second end of the main body. The cartridge fuse has a package size of about 6×32 mm and a voltage rating of at least 500 VADC, a 20 kA IR Rating, a current rating of 12 A to 30 A and a defined opening time at 100% rated current.

Abstract: Provided is a current breaker for an aerial vehicle that can prevent occurrence of a minor collision of propellers or other components in operation with a person and can prevent occurrence of a deployment failure of a lift generating member at a crash of the aerial vehicle. A current breaker 100 for an aerial vehicle includes a rupture plate 23 that disconnects a current supply path 30 that electrically connects an electric device and an electric circuit, an igniter 10 that damages the rupture plate 23 by directly or indirectly applying a destructive force (heat and pressure) toward the current supply path 30 with respect to the rupture plate 23, and disconnects the current supply path 30 by the rupture plate 23 that has been damaged, and a controller 24 that drives the igniter 10 upon detection of an abnormality.

Abstract: A heat transfer device, a mobile device, and a manufacturing method for manufacturing a heat transfer device. The heat transfer device includes a first plate having a first inner surface and a first outer surface. A second plate has a second inner surface and a second outer surface. The first plate and the second plate are at least partially bonded such that an internal reservoir is defined between the first inner surface and the second inner surface. A thermal transfer fluid is contained within the internal reservoir and is in fluid contact with both the first inner surface and the second inner surface. A first wing extends from the first plate. The first wing is adapted to be coupled to a first electronic component that requires cooling. The first wing provides heat transfer from the first electronic component to the thermal transfer fluid via the first plate.

Abstract: Provided is a battery that may include a first terminal or cable, a second terminal or a cable, a thermal fuse configured to connect to the first terminal or cable and the second terminal or cable, a first sleeving layer that is disposed on the thermal fuse, and that is configured to muffle an arc explosion of the thermal fuse and encapsulate molten material generated by the arc explosion of the thermal fuse, and a second sleeving layer that is disposed on the first sleeving layer, and that is configured to encapsulate the molten material generated by the arc explosion of the thermal fuse that penetrates the first sleeving layer. An overcurrent protection system and a sleeving are also provided.

Abstract: A high breaking capacity chip fuse including a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement in the aforementioned order, a fusible element disposed between the first and second intermediate insulative layers and extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer, wherein the first and second intermediate insulative layers are formed of porous ceramic.

Abstract: A system for interrupting ignition is disclosed. Specific implementations of ignition interrupters may include a first conductive tab configured to couple to a spark plug; a second conductive tab configured to couple to a spark plug wire; a first tab holder coupled with the first conductive tab; a second tab holder coupled with the second conductive tab, where the second conductive tab overlaps with the first conductive tab; a sled positioned perpendicularly to a plane of the first conductive tab and the second conductive tab, the sled coupled between the first conductive tab and the second conductive tab; a first spring coupled to the sled; and a second spring coupled to the sled; where the sled may be configured to move to an open position in the gap between the first conductive tab and the second conductive tab, decompressing the first spring and the second spring.

Abstract: A fuse array includes a main bus bar extending along a first plane and a plurality of first terminals electrically connected to the main bus bar via first fuse elements. Each of the plurality of first terminals are a planar member having a continuous surface so as to form a male blade. The male blade is configured to be seated into a terminal connector housing having a female blade so as to form an electric connection. The first terminals are disposed on a plane orthogonal to the first plane of the main bus bar.

Abstract: A chip-type fuse includes a main body portion composed of an insulating material, a fuse conductor that is disposed inside the main body portion and that has both end portions exposed at the main body portion, and a pair of outer electrodes that cover respective end portions of the main body portion and that are connected to respective end portions of the fuse conductor. A hollow portion is present inside the main body portion, and the fuse conductor has a fusing portion disposed along the wall surface of the hollow portion.

Abstract: A protection device comprises a substrate, a fusible element and a heating element. The substrate comprises a first electrode and a second electrode on its surface. The fusible element is disposed on the substrate and connects to the first electrode and the second electrode at two ends. The fusible element comprises a first metal layer and a second metal layer disposed on the first metal layer. The second metal layer has a lower melting point than that of the first metal layer. The heating element is disposed on the substrate. In the event of over-voltage or over-temperature, the heating element heats up to melt and blow the fusible element. The second metal layer is 40-95% of the fusible element in thickness.

Abstract: A single bolt fuse assembly and method to connect a single bolt fuse to a circuit or device are disclosed. The single bolt fuse assembly enables the single bolt fuse to be used on any electrical device having a hole suitable for receiving a threaded shaft and connectable to a circuit or device that electrically connects to a female battery or power cable. The apparatus includes a separate high-conductive metal terminal that mates with the stud that mechanically attaches the fuse between the electrical devices. The stud is insulated to avoid becoming part of the electrical circuit and to ensure proper operation of the fuse. By mechanically attaching the stud to the metal terminal, the stud is unlikely to get separated from the fuse.

Abstract: The invention relates to a pyrotechnic fuse for interrupting an electrical circuit, comprising a body (9), in which an explosive charge is disposed, wherein: the pyrotechnic fuse comprises a hollow cylinder (11), in which a piston (12) is disposed, beneath which a separation claw (13) is disposed, beneath which the conductor (20), which is to be severed, is disposed; the piston (12) and the separation claw (13) are pressed downwards once the pyrotechnic fuse has been triggered, and the separation claw (13) severs the conductor (20) at two points; a quenching substance storage chamber (14) is disposed outside the cylinder (11), which quenching substance storage chamber, as a result of the piston being pressed downwards once the pyrotechnic fuse has been triggered, is opened towards a separation chamber (15) such that the quenching substance moves into the separation chamber.

Abstract: The disclosed apparatus may include (1) a shoulder bolt that includes (A) a head and (B) a shank, (2) a retention barrel that envelops at least a portion of the shank of the shoulder bolt, (3) a coil spring that envelops at least a portion of the shank of the shoulder bolt and resides between the head of the shoulder bolt and a heatsink, and (4) a travel-limiting component (such as a set screw or a sleeve) that (A) is coupled to the retention barrel and (B) limits the heatsink from travelling linearly beyond a travel threshold via the coil spring. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A micro-strand heat dissipation system includes a first processing device and a plurality of first micro-strand heat dissipator elements that are each positioned on the first processing device in a spaced apart orientation from the other first micro-strand heat dissipator elements. Each of the plurality of first micro-strand heat dissipator elements include a first micro-strand heat dissipator element portion that extends into the first processing device from an outer surface of the first processing device, and a second micro-strand heat dissipator element portion that extends from the outer surface of the first processing device. The first processing device may define a plurality of micro-strand heat dissipator connector features to which each of the plurality of first micro-strand heat dissipator elements may be connected, or the plurality of first micro-strand heat dissipator elements may be integrated as part of the first processing device.

Abstract: A safety fuse for use in a motor vehicle includes which fuse comprises a first contact metal portion, a second contact metal portion and a melting metal section connecting the first contact portion to the second contact portion. The melting section is enclosed by a casing made from a non-conductive material and includes two hollow half-shells provided with mutual coupling elements, each half-shell having an inner surface facing the melting section and an outer surface facing outside of the fuse. At least one of the half-shells is provided on at least part of the inner surface of an alveolar structure with open cells in the direction of the melting section. The alveolar structure is formed by a plurality of walls protruding from the inner surface and intersected with each other.

Abstract: To provide an electric circuit breaker device including a conduction part that can be easily cut. An electric circuit breaker device includes a housing made of synthetic resin, a rod-like projectile made of synthetic resin and arranged in the housing, a conductor portion arranged in the housing to extend across a front face of one end portion of the rod-like projectile, and an igniter arranged in the housing to face another end portion of the rod-like projectile and configured to generate pressure to fire the rod-like projectile toward the conductor portion. In one embodiment, the conductor portion includes a first conductor plate extending across the front face of the one end portion of the rod-like projectile and including a recess portion, and a second conductor plate coupled to the recess portion of the first conductor plate.

Abstract: A circuit card assembly (CCA) is disclosed. In embodiments, the CCA includes a printed circuit board (PCB) comprising a series of adjacent substrate layers. Evaporator layers include an evaporator surface thermally connected to CCA components and capable of absorbing heat therefrom. A series of wall layers include apertures collectively defining an integrated vapor chamber extending between the evaporator layers and condenser layers including a condenser surface opposite the evaporator surface. A working fluid within the vapor chamber is boiled by heat transferred from the evaporator surface and re-condenses at the condenser surface, which transfers heat from the working fluid. The re-condensed working fluid is transitioned back to the evaporator surface via capillary wick structures within the internal surfaces of vapor chamber.

Abstract: An alternatively changeable electric circuit comprising a voltage source, an electric load electrically connected with said electric voltage source via a basic electric conductor having a primary branch and a secondary branch, and an alternative conductor connected in parallel to said basic electric conductor, wherein upon fulfillment of a predetermined circumstance, said primary branch is physically interrupted, causing an electric current which initially flowed through said primary branch to be redirected through said alternative conductor. The alternative conductor comprises two electric conductive sections which are aligned with each other and spaced apart at a distance, forming an electrically insulating gap there-between.

Abstract: The invention relates to a short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons, comprising: a switching element, which can be operated by the tripping signal of a fault detection device; two mutually opposite contact electrodes having power supply means, which contact electrodes can be brought into contact with an electrical circuit having connection points at different potential; furthermore, in at least one of the contact electrodes, a movable contact part, which is under mechanical preload and executes a movement to the further contact electrode with the assistance of spring force in the event of a short circuit; and a sacrificial element as a spacer between the contact electrodes, with an electrical connection between the sacrificial element and the switching element on the one hand and one of the contact electrodes on the other hand, in order to deliberately cause current-flow-induced thermal deformation or destruction of the sacrificial el

Abstract: A switchgear or control gear includes at least one first compartment; a plurality of removable modules; a plurality of main switchgear or control gear components; and a plurality of auxiliary switchgear or control gear components. The plurality of main switchgear or control gear components includes at least one main busbar system, at least one three position linear or rotational movement disconnector, at least one circuit breaker, and at least one cable connection. The plurality of auxiliary switchgear or control gear components includes at least one disconnector drive and at least one circuit breaker drive. The plurality of removable modules are configured to be mounted horizontally within the at least one first compartment at a plurality of horizontal locations. Movement of a removable module from its horizontal location, the movement including a vertical movement, is configured to move the one or more auxiliary components housed in or associated with that module.

Abstract: A data processing device includes an internal volume for housing devices. The devices may be, for example, electromagnetic interference emitting devices such as cellular telephones. The data processing devices also includes a suppressor adapted to provide thermal management services to a device of the devices. Providing thermal management services to the device may include isolating the device from the devices in response to the device entering a thermally compromised state.