A method of manufacturing a backplane module (2) includes providing a thermally conductive substrate (10, 10'), and applying a predetermined volume of epoxy (40) extending between a first electrical component (60) disposed on the thermally conductive substrate and a second electrical component (70) disposed on the thermally conductive substrate to create an electrical pathway therebetween.
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
A circuit interruption device includes a support, a set of separable contacts, a first member movable between an OFF position and an ON position, a second member, and a transport mechanism that includes a shape memory alloy element. When the first member is in the OFF position, the second member is in an extended position, the shape memory alloy element is in its first shape, and the first surface and the another first surface are engaged with one another and resist movement of the first member away from the OFF position. Responsive to an electrical pulse, the shape memory alloy element transforms into its second shape and moves the first member toward the ON position. When the second member is in the extended position, the another second surface engages with the second surface to resist movement of the first member away from the ON position.
An interconnect assembly for a switching assembly in which the switching assembly includes a bus bar and an electromagnetic switching device having a contactor bus. The interconnect assembly is structured to mechanically couple and electrically connect the contactor bus to the bus bar. The interconnect assembly includes a socket member structured to engage the bus bar, a post assembly that includes a post member structured to extend through the contactor bus, in which at least a portion of the post member extends into the socket member, and a locking member disposed on the post member. The locking member is structured to extend through and removably engage the socket member in order to mechanically couple and electrically connect the contactor bus to the bus bar.
A switching assembly includes an operating assembly and a fixed contact assembly including a first fixed contact, a second fixed contact, a third fixed contact, a fourth fixed contact, and a number of terminals. The number of terminals includes a first terminal, a second terminal, and a third terminal. The switching assembly also includes a movable contact assembly that includes a first movable contact and a second movable contact. The first movable contact is movable between a first position and a second position. The second movable contact is movable between a first position and a second position. The operating assembly is coupled to the movable contact assembly and moves the first and second movable contact assemblies between the first and second positions. The switching assembly also includes a shunt assembly including a number of shunts. The shunt assembly is configured in one of a series configuration or a parallel configuration.
A circuit interrupter apparatus (2) structured for plug-in connection to a panel board (40). The circuit interrupter apparatus (2) includes a line terminal (12) structured for plug-in connection with a line power member (52) provided as part of the panel board (40), a load terminal (14) structured for plug-in connection with a load power member (54) provided as part, of the panel board (40), and a moveable contact (26) moveable between a closed position wherein the line terminal (12) is electrically coupled to the load terminal (14) and an open position wherein the line terminal (12) is not electrically coupled to the load terminal (14). The circuit interrupter apparatus (2) also includes a sensor module (16) structured for a plug-in connection to a number of signal conductors provided as part, of the panel board (40). The sensor module (16) is structured and configured to detect whether the moveable contact (26) is in the closed position or the open position and output a signal to a t least one of the signal conductors indicating a current position of the moveable contact (26).
An electrical switching apparatus (2; 122) includes a housing (4), separable contacts (6) within the housing (4), and an operating mechanism (8) structured to open and close the separable contacts (6). The operating mechanism ( 8) includes a push/pull operating handle (11) and a remotely controllable actuator (12). The electrical switching apparatus (2; 122) also includes a trip mechanism (14) cooperating with the operating mechanism (8) to trip open the separable contacts (6) in response to a trip condition or remotely open the separable contacts (6) when closed. The remotely controllable actuator ( 12) is structured (19) to move the push/pull operating handle (1 1 ) in order to remotely close the separable contacts (6) when opened or remotely reset the separable contacts (6) when tripped open.
H01H 71/12 - Automatic release mechanisms with or without manual release
H01H 71/68 - Power reset mechanisms actuated by electromagnet
H01H 89/08 - Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair
A circuit breaker assembly (2;16) includes a plurality of controllable circuit breakers (4; 102), Each of the controllable circuit breakers includes separable contacts (112), an operating mechanism (114) structured to open and close the separable contacts, a trip mechanism (116) cooperating with the operating mechanism to trip open the separable contacts, a first line terminal (8), a second load terminal (6), and at least a third terminal (73), The trip mechanism is structured to trip open the separable contacts responsive to a signal from the third terminal. The circuit breaker assembly (2; 16) also includes a toggle electrical switching apparatus (96; 100} that includes separable contacts (97) electrically connected between the third terminal and ground, and a toggle operating member (101) structured to open and close the separable contacts of the toggle electrical switching apparatus,
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
8.
AIRCRAFT PLUG-IN CIRCUIT BREAKER PANEL WITH LOAD WIRES EMBEDDED IN THERMALLY CONDUCTIVE EPOXY
An aircraft plug-in circuit breaker panel including a load module, consisting of electrically conductive load wires embedded in a thermally conductive epoxy layer (400), for a such a panel (10). The panel (10) includes a housing assembly (12) and the load module (400) includes an epoxy body (402) and a number of elongated conductive strands (410). Each of these conductive strands (410) is partially disposed in the epoxy body (402). Each of these conductive strands (410) includes a conductive member (412) and a portion with a limited insulation. This portion with a limited insulation (414), for example a checkered pattern leaving parts of the conductive strands bare, is embedded in the thermally conductive epoxy. The thermally conductive epoxy is thus in direct contact with these bare portions and can therefore conduct the heat more effectively then in the case of using fully insulated strands, whereas the electrical insulation is still maintained also during the embedding process.
A header assembly (100) for a power distribution assembly (2). The power distribution assembly (2) includes a mounting portion (10) and a plurality of current carrying components (12,14,16,18). The header assembly (100) includes a first header segment (102) made from a first material and a second header segment (104) disposed on the first header segment (102) and made from a second different material. The first header segment (102) and the second header segment (104) together form a composite header assembly (100) structured to be mechanically coupled to the mounting portion (10) and electrically connected to at least some of the current carrying components (12,14,16,18). At least one of the first material and the second material is thermally conductive and electrically insulative.
A circuit breaker module (10) includes a faceplate (14) with a number of passages (16) and a number of circuit breakers (20), each circuit breaker (20) including an operating mechanism (22), conductor assembly (24), and a housing assembly (30). Each circuit breaker housing assembly (30) includes a first body (32), a second body (34), and a plurality of pins (36). The first body (32) defines a cavity (37). The second body (34) defines a cavity (38). The first body (32) and the second body (34) have complimentary shapes. At least one of the first body (32) or the second body (32) includes a plurality of pin cavities (37). The pins (36) and pin cavities (50) disposed in an alignment pattern. The first body (32) and the second body (34) are coupled to each other defining an enclosed space (18), the enclosed space (18) structured to accommodate an operating mechanism (22) and conductor assembly (24).
A power contactor that includes a number of inputs for a number of power sources, a number of outputs for a number of loads, a number of separable contacts for each pair of the number of inputs and the number of outputs, and an electromagnetic coil. The power contactor also includes a control circuit structured to control the electromagnetic coil to cause the number of separable contacts to open or close, and a plurality of plug-in pins. Each of the plug-in pins is for a corresponding one of the number of inputs and the number of outputs, and is structured to plug into a backplane socket. The power contactor also includes an electrically insulating housing electrically insulating each of the plug-in pins from the other the plug-in pins.
A solenoid includes a magnetic frame, a bobbin having a length, a hold coil, a pick up coil having a length, a fixed pole, a movable armature having a length, and a return spring biasing the armature away from the pole. The solenoid includes a pick up state when the armature and the pole are separated by a magnetic gap, and a holding state when the armature and the pole are proximate each other. The pick up coil is wound around the bobbin for a portion of the length of the bobbin and the hold coil is wound around the bobbin for a remaining portion of the length of the bobbin. The length of the pick up coil is about the same as the length of the armature and is less than the length of the bobbin.
A power module is provided. The power module includes a housing assembly and an electrical assembly. The electrical assembly includes an AC input assembly, a DC input assembly, a number of AC feeder layers, a number of DC feeder layers, a number of AC electrical components and a number of DC electrical components. Each AC feeder layer includes a generally planar body and an embedded conductor. Each DC feeder layer includes a generally planar body and an embedded conductor. Each AC feeder layer conductor is coupled to, and in electrical communication with, said AC input assembly. Each DC feeder layer conductor is coupled to, and in electrical communication with, said DC input assembly. Each AC electrical component is coupled to, and in electrical communication with, an AC feeder layer conductor. And, each DC electrical component is coupled to, and in electrical communication with, a DC feeder layer conductor.
A connector assembly (10) includes a non-conductive block assembly (12) defining a plurality of passages (20) and a resilient wire support (14) defining a plurality of passages (66). The resilient wire support (14) is coupled to the block assembly (12) with each resilient wire support passage (66) aligned with one block assembly passage (20). A conductor unit includes a plurality of conductor assemblies (80). Each conductor assembly (80) includes a first socket (90) and a second socket (94), and each such conductor assembly (80) is disposed partially in a block assembly passage (20).
A method of manufacturing a load buss array assembly (4) includes: placing a plurality of load conductors (2) within a thermally conductive substrate (6); placing a portion of a load connector (14) within the thermally conductive substrate; and electrically connecting the load conductors to the portion of the load connector within the thermally conductive substrate.
An electrical switching apparatus (2;50;90;100) includes a ferromagnetic frame (8) having first (110) and opposite second (112) portions, a ferromagnetic core (33) disposed therebetween, a permanent magnet (12) disposed on the first portion, a first tapered portion (113) on the opposite second portion; a coil (4) disposed about the core; and a ferromagnetic or magnetic armature (10) including a first portion (114), an opposite second portion (116) and a pivot portion (118) pivotally disposed on the core between the portions of the armature. The armature opposite second portion has a complementary second tapered portion (38) therein. In a first armature position, the armature first portion is magnetically attracted by the permanent magnet and the first and second tapered portions are moved apart with the coil de-energized. In a second armature position, the armature opposite second portion is magnetically attracted by the opposite second portion of the frame and the first tapered portion is moved into the second tapered portion with the coil energized.
H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
An adaptor (44, 70) mating a non-plug-in type circuit breaker (42) to a bus structure (14, 64) of a plug-in breaker panel (40, 62) includes a first portion (48, 72) coupled to a terminal (46) of the non-plug- in type circuit breaker (42) and an opposite second portion (50, 74) engaging a portion (24, 66) of the bus structure (14, 64). The first portion is formed from a first conductive material and the opposite second portion is formed from a second conductive material. The firs portion and the second portion form a conductive pathway between the terminal (46) of the non-plug-in type circuit breaker (42) and the portion (24, 66) of the bus structure (14).
A face plate (18) for use in a panel (2) for electrical switching apparatus includes a generally planar member (19) having a first surface (20), an opposite second surface (22) and a number of apertures (24) disposed through the first surface and the opposite second surface. Each aperture is configured to receive an actuatable mechanism (14) of an electrical switching apparatus (10). The faceplate further includes a number of inclined features (28), each extending from the opposite second surface (22) about a respective aperture (24) of the number of apertures. At least one inclined feature (28) includes an inclined surface (30) disposed opposite the opposite second surface (22) of the generally planar member (19). The inclined surface (30) is disposed at a non-zero angle (?1) with respect to the generally planar member (19).
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