84results about "Inorganic gases" patented technology

An enclosure for protecting at least a portion of a printed circuit board that includes a top and bottom cover each having an insulating layer between an outer conductive layer and an inner conductive layer. Each outer conductive layer and each inner conductive layer are electrically connected to a voltage source to form tamper detection circuits. The enclosure further includes cover switches to detect attempts to lift or remove the covers and a thermal sensor / switch or the like for indicating that a temperature inside the enclosure has moved past a predetermined level due to a tamper attempt. A detection circuit generates and transmits a signal to cause sensitive information contained in one or more electronic components provided on the circuit board to be erased when a tamper attempt is detected.

A wiring and power distribution device for a cabinet housing electronic equipment. The distribution device includes a plurality of compartments. Each compartment adapted to contain an electronic component, such as an uninterruptible power supply, a power-conditioning device, or a power distribution center containing circuit breakers. The distribution device also includes a cooling compartment, including a fan or passive convective chimney arranged to cool the interior of the cabinet with ambient air. The distribution device provides a single input point for power and signal wiring, and at least one output point for connection to the electronic devices contained within the cabinet.

A component kit for a switch cabinet, having a frame whose open sides can be clad with elements and at least one cabinet door. To be able to vary the installation space available in the switch cabinet, it is possible to fix different wall elements and / or cabinet doors to the faame, which have different depths extending perpendicular to the corresponding sides of the frame.

The invention relates to a distribution cabinet (1) having a body (3), comprising an inner body (21) in the form of a body frame (16) made from metal and possibly paneling with shielding plates (13), and an outer body (22), in particular in the form of spaced paneling of the inner body (21), which is preferably made from plastic, and a mounting rack (6) for fixing the internals, which mounting rack is fixed on the inner body (21), the body (3) comprises a plurality of inner bodies (21) next to one another, and at least one attachment element (12) is fixed thereto which allows the use of parts of the outer body (22) of an individual distribution cabinet (1), and to a construction kit and a method for extending a distribution cabinet.

An electrical connection box includes a box body. The box body has a top wall and a side wall. The top wall is inclined to a horizontal plane and has an edge portion arranged at a lower side in an inclination of the top wall. The side wall is connected to an edge portion of the top wall. A drainage channel is provided along the edge portion of the top wall. A drainage port is provided at an edge of the drainage channel. The drainage port is placed at a position spaced from the side wall.

A server chassis is provided for receiving a functional module therein. The server chassis includes a base with an opening defined in an end thereof for the functional module inserted therethrough, and an air flap apparatus engaging with the base. The air flap apparatus includes a shielding panel pivotably attached to the base, and a resilient member connected to the base and the shielding panel to urge movement of the shielding panel.

An electrical connection box has upper and lower casings (10, 11) for accommodating circuitry. A surrounding wall (10a) of the upper casing (10) fits inside a surrounding wall (11a) of the lower casing (11). Engaging locking claws (10b, 11b) project from the outer surface of the surrounding wall (10a) of the upper casing (10) and from the inner surface of the surrounding wall (11a) of the lower casing (11). An upper wall of the upper casing (10) is inclined down from a center portion to three peripheral edges. A drainage path (13) is defined by a clearance between the surrounding walls (10a, 11a) of the upper and lower casings (10, 11). A bottom wall of the lower casing (11) has drainage holes (14) at the bottom end of the drainage path (13).

According to one embodiment of the invention, an apparatus comprises a heat dissipation unit, such as a heat sink, that encases wireless logic in order to completely surround such logic. When adapted as a wireless network device, a casing further encases the heat dissipation unit. The casing includes a plurality of slots that are aligned with heat-radiating elements positioned around the periphery of the heat dissipation unit to allow for cooling by convection.

A cabinet includes a first compartment for housing electronic equipment, such as equipment used to provide telephone service and / or voice and data networking services. The front of the equipment housed in the first compartment is accessible via at least one door. The cabinet also includes a second compartment accessible by a second door, on an opposite side of the cabinet. The second compartment is for housing a connection panel, which allows subscriber lines to be connected to provider lines and / or terminals of the electronic equipment. A partitioning wall separates the first and second compartments and includes an access port communicating the first and second compartments. When the connection panel is moved, e.g. pivoted by use of a hinge, a service technician can gain access to the rear of the electronic equipment housed in the first compartment via the access port. An access panel can be used to close the access port so that the temperature and / or humidity of the first compartment can be regulated, as compared to the conditions in the second compartment and outside of the cabinet.

An electronic component housing structural body includes a first housing body accommodating electronic components and a second housing body accommodating electronic components. Fitting plane of the first and second housing bodies include a liquid passage area and a communicating passage area. The liquid passage area includes a cooling passage in which cooling liquid flows. The communicating passage area includes a communicating passage that connects housing chambers of the first and second housing bodies. Furthermore, a single sealing member is disposed on the fitting plane to independently surround and seal the liquid passage area and the communicating passage area.

Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electric arc or corona discharge and a method for flame suppression. Further provided are electrical devices using such SF6 compositions as a dielectric insulating gas and rigid closed-cell foams having such SF6 compositions within the cells, wherein the foam is both thermally and electrically insulative.

The present invention includes an electrical connection box having a circuit casing for accommodating a circuit structure therein, a housing portion disposed on a lower surface side of the circuit casing and connectable to an external connector, and a plurality of connector terminals for electrically connecting between the circuit structure and the housing portion, further each of the plurality of connector terminals is disposed along a cabling path horizontally traversing an inside of the circuit casing and leads into the housing portion through a ceiling portion of the housing portion, the electrical connection box also includes a waterproof portion provided in the circuit casing for covering the ceiling portion from above.

A telecommunications cabinet including a frame arrangement having an inner frame and an outer frame. The frame arrangement of the telecommunications cabinet being constructed to withstand particular-rated seismic events while still providing the needed thermal cooling capacity to maintain proper equipment operations.

A waterproof and heat-dissipating module mounted on an electronic device includes a housing structure, a compartment structure, and a fan. A first ventilation hole, a second ventilation hole, a first drainage holes, and a second drainage holes are formed on the housing structure. The compartment structure is disposed inside the housing structure and for partitioning an inside space of the housing structure off that includes an inhaling chamber, a fan room, an accommodated space, and an exhausting chamber. The fan is disposed inside the fan room so that airflow is guided from the first ventilation hole to the second ventilation hole via the inhaling chamber, the fan room, the accommodated space, and the exhausting chamber so as to dissipate heat from circuit boards disposed inside the accommodated space away.

An electronic control apparatus can be reduced in size and cost by eliminating certain component parts such as a power board, etc. The apparatus includes a housing, a heat sink, semiconductor switching elements having terminals and mounted on the heat sink, a circuit board arranged in opposition to the heat sink, conductive plates connecting between the circuit board and the semiconductor switching elements, and a cover receiving the semiconductor switching elements and the circuit board in cooperation with the heat sink. The conductive plates have the press-fit terminal portions press-fitted into the through holes in the circuit board, and the individual conductive plates are arranged along a lead-out direction in which the individual terminals of the semiconductor switching elements lead out, and are bonded to the individual terminals.

The invention describes a fiber optic module package which uses a metal-to-metal contact seal between a lid and a module housing. The metal-to-metal contact seal provides a sealing mechanism between the lid and the module housing. The module housing has a knife-shaped edge that can bite into a bottom surface of the lid when pressure is exerted on the lid. In a first embodiment, the module housing has a side slot in which an outer wall of the lid can enter which serves as a holding mechanism between the lid and the module housing. In a second embodiment, the module housing has an interior wall which can be pressed into a curved surface of the lid that serves as a holding mechanism between the lid and the module housing. In a third embodiment, multiple screws are inserted through multiple holes on the lid and into the module housing which serve as a holding mechanism between the lid and the module housing.

An electrical device containing a dielectric fluid, the dielectric fluid comprising heptafluoroisobutyronitrile or 2,3,3,3-tetrafluoro-2-(trifluoromethoxy) propanenitrile.

A macroencapsulation container having in combination an inner container member with an inner lid member and an inner body member, and an outer container member with an outer lid member and an outer body member, the inner container member being composed of a thermoplastic polymer material that can be thermo-welded or thermo-bonded to itself by melting. The outer container is composed of a metal. At least one electric resistance wire is embedded in or mounted onto the inner lid member along the area of contact with the inner body member, such that the inner lid member may be thermo-bonded to the inner body member to create an integral, one-piece inner container member encapsulating any material or containers disposed within.

The present invention improves heat dissipation of an electrical junction box. An electrical junction box includes a housing which houses a control circuit board disposed perpendicular to a power distribution board. The control circuit board includes a control circuit constructed on one side of an insulating substrate, electrical components mounted on the control circuit, and a heat dissipating means mounted on the other side. The power distribution board includes a plurality of bus bars laminated via a plurality of insulating layers. Consequently, heat generated by the electrical components can be dissipated efficiently by the heat dissipating means, thereby improving heat dissipation of the electrical junction box.

Provided are novel azeotrope-like compositions of SF6 and N2O, as well as methods of using the same. Also provided are methods of using SF6 compositions, including azeotrope-like compositions, including a method for suppressing an electric arc or corona discharge and a method for flame suppression. Further provided are electrical devices using such SF6 compositions as a dielectric insulating gas and rigid closed-cell foams having such SF6 compositions within the cells, wherein the foam is both thermally and electrically insulative.

A storage receptacle is provided that has first and second sides and a bottom made as a unitary member from a single piece of sheet metal. The receptacle also includes front and rear ends, each coupled to the two sides and providing support for the bottom.

An avionics chassis comprises a housing having opposing walls, a pair of spaced card rails with one rail mounted to each of the opposing walls where each rail has a channel to define an effective slot between the rails, a circuit card assembly comprising a PCB and a thermal plane in overlying relationship with the PCB, with the PCB defining a first primary plane, and the thermal plane defining a second primary plane and the spatial relationship between them is such that the planes are located within the slot when the circuit card assembly is mounted to the card rails and the thermal plane is conductively coupled to a rail to form a first conductive path from the thermal plane to one of the walls and the PCB is conductively coupled to a rail to form a second conductive path from the PCB to one of the walls.

A computer enclosure includes a cage (10) and a front bezel (20). The cage includes a top panel (18), a bottom panel (17), and a pair of side panels (11). The top panel, the bottom panel, and the side panels are connected with each other to define an opening (15). The front bezel has securing structures (222) at opposite sides thereof for securing the front bezel to the cage. The front bezel is secured to the cage for covering the opening. The computer enclosure with direct-mounting front bezel has simple structures and is inexpensive.

A laptop cooling pad having one or more heat-dissipating fans adjustable in position is disclosed. The laptop cooling pad is provided with a ventilation portion so that a heat-dissipating fan can be mounted on the ventilation portion through a fan support. The ventilation portion has a groove for receiving pushing nodes of the fan support so that a user can push the pushing nodes to move the heat-dissipating fan inside the laptop cooling pad and make the heat-dissipating fan close to a heat source, thereby ensuring the heat-dissipating effect of the laptop cooling pad.