Abstract: An electromagnetic relay includes a first movable contact piece, a moving member, a coil, and a movable iron core. The moving member holds the first movable contact piece. The movable iron core is connected to the moving member and is configured to move by a magnetic force generated by the coil. The moving member is made of resin having electrical insulation. The moving member includes a first member and a second member. The second member is connected to the first member by snap fitting. The first member includes a first protrusion. The second member includes a second main body, a first locking portion, and a first arm. The first locking portion locks to the first protrusion. The first arm connects the second main body and the first locking portion. A thickness of the first arm is smaller than a thickness of the first locking portion.

Abstract: A magnetic assembly structure has a main body and an inserting component. A first receiving slot of the main body receives a first magnetic component, and a second receiving slot of the main body penetrates a main body surface to form a main body opening on the main body surface. An engagement slot of the main body is disposed between the first receiving slot and the second receiving slot, communicated with the second receiving slot, and has a contacting surface being away from the main body surface with a distance. The receiving slot of the inserting component receives a second magnetic component. The inserting component is inserted into the second receiving slot via the main body opening, and the second magnetic component moves into the engagement slot. The magnetic assembly is assembled with a less force, has higher safety, and is hard to be disassembled without allowance or explanations.

Abstract: A relay includes a movable contact piece having a first movable contact and a second movable contact, a first fixed terminal having a first fixed contact, a second fixed terminal having a second fixed contact, a drive device configured to move the movable contact piece, and the wall portion disposed inside the first fixed contact and the second fixed contact in a longitudinal direction. At least a part of the wall portion is disposed at a position beyond the first fixed contact and the second fixed contact toward the movable contact piece in a moving direction of the movable contact piece. The movable contact piece has a shape so as to avoid the wall portion in a contact state where the first movable contact is in contact with the first fixed contact and the second movable contact is in contact with the second fixed contact.

Abstract: The present disclosure provides a pluggable connecting device for a contactor and a contactor, the contactor including a housing, a coil framework located inside the housing, the coil framework provided with a first and a second connecting sheet, and an electromagnetic coil wound on the coil framework, two ends of the electromagnetic coil electrically connected to the first and second connecting sheets. The pluggable connecting device includes an insulated connecting member, and a first and second conductive elements which are fixedly connected with the insulated connecting member. The first conductive element is provided with an insertion end and a wiring end which are arranged oppositely, the second conductive element is provided with an insertion end and a wiring end which are arranged oppositely, and the insertion ends of the first and second conductive elements are configured for connection with the first and second connecting sheets respectively in a pluggable manner.

Abstract: A magnetic assembly structure has a main body and an inserting component. A first engagement slot of the main body receives a first magnetic component, and a first receiving slot of the main body penetrates a main body surface to form a main body opening on the main body surface. The first engagement slot and the first receiving slot are communicated with each other. The inserting component is inserted into the first receiving slot via the main body opening, and the first magnetic component moves into the first magnetic component receiving slot of the inserting component. The magnetic assembly is assembled with a less force, has higher safety, and is hard to be disassembled without allowance or explanations.

Abstract: The present disclosure relates to a direct current relay, and more specifically, to a direct current relay having a movable assembly with improved contact pressure. The direct current relay according to an embodiment of the present disclosure comprises a pair of fixed contacts, and a movable contact which is moved vertically by an electromagnetic force to contact or be separated from the pair of fixed contacts, wherein an upper yoke and a lower yoke are respectively provided on the upper and lower portions of the movable contact, a contact spring is provided on the lower portion of the lower yoke, and the lower yoke is pressed by the contact spring to move the movable contact.

Abstract: A hybrid superconductive device for stabilizing an electric grid comprises (a) a magnetic core arrangement at least partially carrying an AC winding the AC winding connectable to an AC circuit for a current to be limited in the event of a fault; (b) at least one superconductive coil configured for storing electromagnetic energy; the superconductive coil magnetically coupled with the core arrangement and saturating the magnetic core arrangement during use. The hybrid superconductive device further comprises a switch unit preprogrammed for switching electric current patterns corresponding to the following modes: at least partially charging the superconductive coil; a standby mode when the superconductive coil is looped back; and at least partially discharging the superconductive coil into the circuit. Optionally, hybrid superconductive device comprises at least one passage located within said magnetic flux. The passage conducts a material flow comprising components magnetically separable by said magnetic flux.

Abstract: A magnetic proximity sensor assembly 10. The magnetic proximity sensor assembly 10 comprises a switch assembly 12 received in a blind bore 14 of a body tube 16. The switch assembly 12 comprises a magnetic assembly 18 moveable in the blind bore 14. The switch assembly 12 comprises an operator 42 which extends from the magnetic assembly 18 and serves as a drive for a moving contact 44 positioned between a first contact 46 and a second contact 48. The magnetic assembly 18 comprises a primary magnet 20 and a biasing magnet 22. The switch assembly 12 comprises a center magnet 26 interposed between the primary magnet 20 and the biasing magnet 22. The blind bore 14 has a uniform bore diameter. The magnetic proximity sensor assembly 10 comprises a sleeve 28 in the blind bore 14 contacting the closed end 30 of the blind bore 14. The switch assembly 12 is seated on the sleeve 28 such that the primary magnet 20 of the magnetic assembly 18 is surrounded by the sleeve 28.

Abstract: An electromagnetic relay includes a fixed contact, a movable contact piece, a drive shaft, and a movable iron core. The movable contact piece is movable in a first direction and in a second direction. The drive shaft that extends in the first direction and the second direction and that is coupled to the movable contact piece. The movable iron core is coupled to the drive shaft so as to be integrally movable at a position beyond the movable contact piece in the first direction or at a position beyond the movable contact piece in the second direction. The drive shaft includes a first contact portion configured to contact the movable contact piece, a second contact portion configured to contact the movable iron core, and an insulating portion made from an insulating material and configured to insulate the movable contact piece and the movable iron core from each other.

Abstract: The present application relates to the field of switch technology, in particular to an electromagnetic switch, comprising a housing, a jump mechanism, movably arranged on the housing; a trip mechanism, arranged on the housing and opposite to the jump mechanism, and comprising a bridge plate located on a moving path of the jump mechanism and having multiple locked states, unlocked states, and critical states; The present application further provides another electromagnetic switch, comprising: a housing, an electromagnetic component, a contact mechanism and an armature, two spring buttons are arranged in parallel on the housing, a first spring button is internally provided with a jump structure for providing resistance at a start moment when the first spring button is pressed; in the electromagnetic switch of the present application, a jump structure is arranged on the spring button above the electromagnetic component.

Abstract: An electromagnetic relay includes a base, a spool provided on the base, a coil wound on the spool, a yoke inserted into a hole formed in the spool, an armature movably disposed on the base, a movable contact fixed on the base, a static contact fixed on the base, a driving member connected between the armature and the movable contact, and an elastic pressing member fixed on the base. The elastic pressing member is pressed against an outer side of the armature so as to position the armature on the base and provide an auxiliary thrust to the armature.

Abstract: An input device includes a first part and a second part configured to move relative to each other according to an input operation, a magnetic viscous fluid whose viscosity changes according to a magnetic field, and a magnetic-field generator that generates the magnetic field applied to the magnetic viscous fluid. The second part includes a first surface and a second surface that are arranged in a direction orthogonal to a direction of relative movement between the first part and the second part. Gaps are formed between the first surface and the first part and between the second surface and the first part, and the magnetic viscous fluid is present in at least a part of the gaps.

Abstract: A switching device includes: a first terminal contact; a first fixed contact arranged at the first terminal contact; a contact bridge; a contact bridge carrier arranged at the contact bridge and having a barrier; a first movable contact arranged at the contact bridge; a second terminal contact; a second fixed contact arranged at the second terminal contact; a second movable contact arranged at the contact bridge; and a magnetic drive assembly including a coil and an armature, the armature being coupled to the contact bridge. The first fixed contact is in contact with the first movable contact in a switched-on state of the switching device. The first fixed contact is free of contact with the first movable contact in a switched-off state of the switching device. The second fixed contact is in contact with the second movable contact in the switched-on state of the switching device.

Abstract: A contact device includes a fixed contact, a movable contact, a housing, and an arc extinguishing member. The movable contact moves between a closed position where the movable contact contacts the fixed contact and an open position where the movable contact is separate from fixed contact. The housing houses the fixed contact and the movable contact. The arc extinguishing member is movably disposed in the housing and discharges an arc extinguishing gas. The arc extinguishing member is disposed facing a gap between the fixed contact and the movable contact when the movable contact is in the open position.

Abstract: An exciter includes a first yoke having a first accommodation space with a first open end, a second yoke having a second accommodation space with a second open end which faces the first open end, the second open end being spaced from the first open end in a vibration direction. The exciter further includes a first magnetic member accommodated in the first accommodation space, a magnetic core and a coil accommodated in the second accommodation space, the coil wound around the magnetic core, a second magnetic member accommodated in the second accommodation space and located at outside of the coil, and a copper tube wound around the magnetic core and sandwiched between the magnetic core and the coil. The copper tube is capable of suppressing the high frequency impedance of the coil and therefore improves the high frequency performance and the reliability of the exciter.

Abstract: A circuit breaker includes a first fixed contact and a first movable contact which can be switched between a closed status and a tripped status, a signaling device for signaling when the circuit breaker is in a tripped status, a trip actuator movable from an initial position to an end-stroke position when the first movable contact is switched from the closed status to the tripped status, a tripping bar which is connected to the first movable contact so as when the trip actuator moves from the initial position, the tripping bar moves and triggers switching of the first movable contact from the closed status into the tripped status, and a trip member having a single-piece shaped body, which includes a first portion actuated by the trip actuator, a second portion spaced apart from the first portion, and a third portion spaced apart from the first and second portions.

Abstract: Systems of automatic transfer switches (ATS) are disclosed herein. One apparatus includes at least two automatic transfer switches coupled together. Each automatic transfer switches has contacts to couple a power source to a load. For each switch, an electromagnetic force biasing the contacts to each other is present if an electrical current flows through the switch. The automatic transfer switches may be on separate cassettes or on a single cassette. The power source of each switch may be the same or different.

Abstract: An electromagnetic switch for a starting device of an internal combustion engine may include a coil carrier, a coil winding, and a piston. The coil carrier may have a carrier wall which encloses a cavity. The coil winding may have a coil wire wound on a side of the carrier wall facing away from the cavity which provides a magnetic field within the cavity. The piston may be axially adjustable in the cavity. The piston may be disposed in a passive position and may be adjusted axially in a direction of a core. In the passive position, the piston and the core may define an axial gap therebetween in the cavity. The coil wire may have a first winding section and a second winding section wound in opposing directions. At least one winding of the second winding section may axially overlap the axial gap.

Abstract: A transfer type contra-rotating geomagnetic energy storage-release delivery system is disclosed. The system includes a control system, a three-axis control moment canceller and an energy system, which are arranged on a delivery mother spacecraft, and the delivery mother spacecraft is connected, through support rod structures, with a strong magnetic moment generating device, a contra-rotating transmission mechanism and two delivery connection rod structures arranged at the two ends of the contra-rotating transmission mechanism, the strong magnetic moment generating device is arranged between the contra-rotating transmission mechanism and the delivery mother spacecraft, the two delivery connection rod structures are provided with slidable mass blocks respectively, and the strong magnetic moment generating device and the contra-rotating transmission mechanism provide energy through the energy system.

Abstract: Coil-based actuators for use in opening and closing the separable contacts of circuit interrupters provide increased initial velocity for opening strokes and damping at the end of opening strokes. Electronics for adjusting the current profile of current supplied to coil-based actuators additionally provide increased initial velocity for opening strokes and damping at the conclusion of opening strokes.