Abstract: In an electrical device, a model series of electrical devices, and a production method, in particular for a converter, having a circuit board including circuit traces, the circuit board has two similar and/or identical contact area arrays, the contact area arrays in particular transitioning into each other through rotation and/or displacement. A first contact area array of the contact area arrays is fitted with a first power module, and the second contact area array is able to be fitted with a second power module, e.g., so that a respective electric motor is able to be supplied from the respective power module.

Abstract: An assembly for cooling a heat dissipating device reducing the thermal contact/interface resistance between a heatsink and a heat dissipating device includes: a heat dissipating device having a heat releasing surface; a heatsink having a heat absorbing surface; a gasket extending between the heat releasing surface and the heat absorbing surface to provide a sealed interstitial cavity; and a working fluid provided within the cavity. The working fluid has specific thermal properties that cause the fluid to (i) absorb latent heat and evaporate from a liquid to a vapor at the liquid surface in contact with the heat releasing surface during operation of the heat dissipating device and (ii) condense from the vapor back to the liquid when the vapor contacts the heat absorbing surface of the heatsink, thus releasing the latent heat from the vapor to the heatsink.

Abstract: A three-phase two-level power electronics assembly is disclosed in one form including a thermally conductive base plate, a heat dissipation unit, mounted on a first face of the base plate, connectors for three-phase AC output, chopper DC outputs, and two poles of a DC link, and a set of power electronics devices mounted on a second face of the base plate, whereby the power electronic devices are arranged within the three-phase two-level power electronics assembly in rows to provide a three phase AC output as well as chopper DC outputs and connected to the respective connectors, whereby the rows connected to the three-phase AC output and the rows connected to the chopper DC outputs are alternately arranged on the base plate. Also disclosed is a power converter, in particular a static power converter, having at least one three-phase two-level power electronics assembly as specified above.

Abstract: The combination of: a) an electronic device having a wall portion with first and second ends and at least one enlargement on each of opposite sides of the wall portion; and b) a security system. The security system is made up of an elongate body, with third and fourth ends, and a connecting assembly. The body has first and second legs and a base joined together to cooperatively define a “U” shape. The connecting assembly and the body are configured so that with the security system operatively positioned, the first and second legs, base, and connecting assembly cooperatively encircle the elongate wall portion and the body is confined between at least first and second of the enlargements on the opposite sides of the elongate wall portion. In one form, a tether is secured to the connecting assembly and to a fixed support.

Abstract: In some embodiments, an apparatus includes a housing and a purge valve. The housing defines a cavity and a lumen extending from a volume of the cavity to a volume outside the cavity. The purge valve is disposed within the lumen and includes an occlusion member. A portion of the occlusion member has a width substantially equal to a width of an end portion of the lumen such that the portion of the occlusion member is disposed within the end portion of the lumen when the purge valve is in a first configuration. The portion of the occlusion member being disposed outside the end portion of the lumen when the purge valve is in a second configuration.

Abstract: In some embodiments, a rack system is configured to comprise a removable fan system. The fan system enables thermal management of the rack system. The removable fan system includes a replaceable fan tray that can be assembled in the rack system by engaging a connecting mechanism and connecting a connecting cable. The fan tray is engaged with the connecting mechanism to be securely attached to the rack system. The fan tray is connected to a bus bar to receive power or necessary data to be operated. The fan tray can be disassembled from the rack system while the bus remains active, and enables access to the server or the rack system. The replaceable fan tray enables easy replacement of the fan system and access to the rear side of the rack system.

Abstract: In one aspect, conduction cooled modules are described herein. In some implementations, a conduction cooled module comprises first and second external support structures arranged in facing opposition to one another, forming a component envelope therebetween. In some implementations, the modules are configured to contact at least one cold plate and to retain at least one printed wiring board in the component envelope in between the first external support structure and the second external support structure.

Abstract: Provided is a current fuse that can improve the rating while also preventing explosive scattering of metal in association with arc discharge and enabling reliable cutting off of a circuit. The current fuse (1) includes an insulating substrate (2), a main fuse element (3) disposed on the insulating substrate (2), and a sub-fuse element (4) disposed on the insulating substrate (2) and having a higher melting point than the main fuse element (3). The main fuse element (3) and the sub-fuse element (4) are connected in parallel.

Abstract: A compact, high breaking capacity fuse that includes a top and bottom insulative layer and a single piece fusible element disposed between the top and bottom insulative layer. The top and bottom insulative layers include cavities that are aligned at assembly to form a chamber in which a fusible element portion of the single piece fusible element is disposed. The single piece fusible element additionally includes terminal portions that extend along outer surfaces of the top and bottom insulative layers.

Abstract: A compact fusible disconnect switch device having a reduced switch housing size and increased power density is configured to be face mounted to a panel. A fuse cover assembly allows installation and removal of a fuse without having to open the panel. Line-side and load-side terminals are provided on a common side of the housing. In-line mechanical ganging and simultaneous application is provided for combinations of the compact fusible disconnect switch devices.

Abstract: A circuit protection device including a housing (15) defining a chamber (19) and a metal oxide varistor (MOV) stack (310) disposed within the chamber (19). A first spring (330a) is electrically attached at a first end to a first input terminal (311a) of the MOV stack (310) by a solder connection (30) and at a second end to a first input line (20a). The first spring (330a) is biased away from the first input terminal (311a). A second spring (330b) is electrically attached to a second input terminal (311b) of the MOV stack (310) by a solder connection (40) and at a second end to a second input line (20b). The second conductive spring (330b) is biased away from the second input terminal (311b). When an overvoltage condition occurs, heat generated by the MOV stack (310) melts at least one of the first or second solder connections (30, 40) to allow the corresponding springs to be displaced away from the respective MOV stack (310) input terminals (311 a, 311 b), thereby creating an opening circuit.

Abstract: The laundry treatment apparatus may include a cabinet providing an accommodation space, a drum rotatably provided inside the cabinet, a front cover unit provided on a portion of a front surface of the cabinet and having a cover hole provided to enable introduction and discharge of laundry into the drum, and a door assembly provided on the front cover unit so as to open or close the cover hole. The door assembly includes a hinge unit having one side separably coupled to the front cover unit and a remaining side separably coupled to the door assembly, so as to rotate the door assembly, and a handle unit separably coupled to the door assembly. The hinge unit and the handle unit are separably coupled to the door assembly by exchanging positions thereof.

Abstract: A heat-reactive switch includes an airtight container with a housing and a lid plate, two conductive terminal pins fixed in through-holes in the lid plate, a fixed contact point fixed on one of the conductive terminal pins, a heater connected to the other conductive terminal pin and to the lid plate, a heat-reactive plate connected to the housing internal surface, the bending direction becoming inverted at a predetermined temperature, and a mobile contact point provided at the end of the heat-reactive plate. A heating element has a plurality of serpentine portions made from a metal plate in ribbon form, disposed between the lid plate and the heat-reactive plate so as to be parallel thereto. At least two of the serpentine portions are disposed to face each other while sandwiching the conductive terminal pin. Each portion follows the inner peripheral surface of the housing and have planar portions facing each other.

Abstract: A mechanism is provided for cooling electronic components of a printed circuit board module and for supplying power to the electronic components of the printed circuit board module. The computer module comprises a printed circuit board module, wherein the electronic components are attached to a first side of the printed circuit board module, and a cooling module being attached to a second side of the printed circuit board, being arranged in parallel to the printed circuit board and having a first layer being thermally and electrically conductive. The first layer is arranged such that heat is dissipated from the printed circuit board module and that power from a power source is supplied to the electronic components of the printed circuit board module.

Abstract: In a protective circuit substrate having a circuit substrate and a protective element, the protective element including: an insulating substrate; a heat-generating element; first and second electrodes laminated on the insulating substrate; a first and second connecting terminals provided on one side edge of a mounting surface to be mounted to the circuit substrate, the first connecting terminals being continuous with the first and second electrodes; a heat-generating element extracting electrode provided in a current path between the first and second electrodes and electrically connected to the heat-generating element; and a meltable conductor provided between the first and second electrodes, wherein the circuit substrate includes a region for mounting the protective element in which no electrode pattern other than a connecting electrode to the protective element is provided.

Abstract: Provided is a fusible link unit (electrical component unit) including a fusible link (electrical component), a battery terminal fixed to an electrode post (electrode) of a battery, and a support member formed as a different body from the battery terminal and fixed to the battery, the support member supporting the fusible link (electrical component), in which the fusible link (electrical component) includes a main link body (main electrical component body) and a power supply terminal made of conductive metal to be exposed from the main link body (main electrical component body) and electrically connected to the electrode post (electrode) through the battery terminal, and the support member supports the main link body (main electrical component body) such that the main link body extends in an orthogonal direction substantially orthogonal to an installation surface portion.

Abstract: An electronic device according to the invention includes a second electronic device and a first electronic device removably connected with the second electronic device; the electronic device includes a first heat dissipation channel in the first electronic device and a second heat dissipation channel in the second electronic device. In a disconnected state, the heat dissipation airflow flows through the first heat dissipation channel to perform heat dissipation of the first electronic device. In a connected state, the first air inlet of the first heat dissipation channel communicates with the second air outlet of the second heat dissipation channel, and the heat dissipation airflow may enter into the first heat dissipation channel via the second heat dissipation channel so as to perform heat dissipation of the first electronic device by the second heat dissipation channel and the first heat dissipation channel.

Abstract: A fuse includes first, second, and third terminals disposed on a substrate. Respective ends of one or more primary conductors of the fuse are connected to one of the first and the second terminals. The primary conductors have a first conductivity and are configured to open when a primary current between the first and the second terminals exceeds a first predetermined threshold. One or more secondary conductors have an end connected to the third terminal. The secondary conductors are configured to ignite when a secondary current through the secondary conductors exceeds a second predetermined threshold. When ignited, the secondary conductors open the primary conductors to thereby stop the primary current.

Abstract: The general field of the invention is that of electronic mission preparation systems, notably for aircraft pilots. The system comprises a removable touch tablet and an associated connection support or docking station intended to be mounted on an aircraft instrument panel. The connection support comprises a mechanical support comprising translational guiding means and a pivoting pallet comprising mechanical means for rapidly locking and unlocking the touch tablet This connection support also comprises a memory card and electrical connectors. These provisions together ensure both the electrical and mechanical connections of the tablet to the avionics system via the connection support.

Abstract: An electronic assembly comprises a semiconductor device that has conductive pads on a semiconductor first side and a metallic region on a semiconductor second side opposite the first side. A lead frame provides respective separate terminals that are electrically and mechanically connected to corresponding conductive pads. A first heat sink comprises a first component having a mating side. A portion of the mating side is directly bonded with the metallic region of the semiconductor device. A circuit board has an opening for receiving the semiconductor device. The lead frame extends outward toward the circuit board or a board first side of the circuit board.