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7637475 |
Solenoid
A solenoid is provided which, in the preferred embodiment, has a housing having an axial opening in it. The housing has a divider mounted in the axial opening to separate the axial opening into a...
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7605680 |
Electromagnetic actuator
A highly efficient electromagnetic actuator which can reduce leakage of the magnetic flux is provided. The electromagnetic actuator comprises a first coil 31 , a movable body 2 adapted to move...
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7579935 |
Actuator
An actuator has a resilient shape memory member 1 with superelasticity, a magnetic body 2 , and a magnetic field generator 3 . At least one of the magnetic body 2 and the magnetic field...
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7541907 |
Auto-aligning and connecting structure between electronic device and accessory
An auto-aligning and connecting structure used to connect and align an electronic device and an accessory, wherein a plurality of first magnetic bodies are disposed on a first surface of the...
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7532098 |
Actuator
An actuator includes an electromagnetic coil arrangement that is movable relative to a magnetic field generator between a first position and a second position of the actuator. The actuator is...
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7518479 |
Inline electromagnetic tool actuator
An inline electromagnetic tool actuator incorporates an actuator housing, an elongated armature, a tool assembly, spaced-apart return magnets, at least one drive magnet, and at least one magnet...
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7511597 |
Actuator structure and actuator block electronic device using the same
The main body of the actuator structure is generally formed into a “pitchfork”shape. The middle bar of the pitchfork forms a Y-bend at its forward end. The Y-bend is disposed so that each tip...
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7495536 |
Magnetic actuator for direct generation of a rotary actuation of a shaft with currentless fixation of the stop position
A magnetic actuator for the direct generation of a rotary actuation of a shaft ( 1 ) with currentless stop position fixation is proposed, which comprises at least one permanent magnetic anchor ( 2...
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7495535 |
Magnet system with H-shaped armature for a relay
A magnet system for a bi-stable relay includes a coil, first and second core yoke members, and an armature. The coil has a first polarity state and a second polarity state. Each of the first and...
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7408433 |
Electromagnetically actuated bistable magnetic latching pin lock
A pin lock is movably mounted for linear movement along a longitudinal axis. A magnet, preferably a permanent magnet, is mounted for limited rotation between the pin extended and pin retracted...
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7352268 |
High intensity radial field magnetic actuator
At least one set of two magnets is provided, at least one of the magnets having an outer magnet portion, a middle magnet portion, and an inner magnet portion. The outer magnet portion has a...
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7301426 |
Electromagnetic actuator
Electromagnetic actuator for operating at least one movable contact of a switch into a switched-on position or a switched-off position. The electromagnetic actuator ( 1 ) has a first magnetic...
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7280019 |
Single coil solenoid having a permanent magnet with bi-directional assist
A single coil solenoid includes a permanent magnet with bidirectional assist capabilities. The solenoid includes an armature that during de-energization of a single coil of wire is attracted to the...
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7233220 |
Electrical switching device, relay and electrical apparatus comprising same
The electrical switching device comprises at least a first part comprising at least a first magnetizable element and a first contact zone associated with said first magnetizable element, and at...
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7142078 |
Magnetic levitation actuator
A magnetic actuator including a mobile magnetic part, a fixed magnetic part, and a mechanism for triggering displacement of the mobile magnetic part relatively to the fixed magnetic part. At least...
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7102475 |
Magnetic actuator
A magnetic actuator includes a first yoke, an armature which is provided inside the first yoke and made movable in reciprocating motion along a first direction inside the first yoke, first and...
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7097149 |
Bistable electromagnetic valve
A bistable electromagnetic valve is proposed, which is to be used in refrigerant circuits. The valve can be produced at particularly low outlay and at the same time is reliably leaktight. This is...
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7091807 |
Electromagnetic device
An attraction coil, a repulsion coil and a plunger are disposed in a magnetic path of an electromagnetic device. An starting flux generating section is disposed between the attraction coil and the...
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7088207 |
Electrical switching device for fault-current, overcurrent and short-circuit current position
An electrical switching device for fault-current, overcurrent and short-circuit current protection, has a contact point in a current path and a switching mechanism for permanently opening the...
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7009479 |
Steering column lock for personal identification card system
The compact steering column lock for a personal identification card system is provided to stably execute a conversion function of engaging or disengaging the maneuverability of a knob and a key...
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6935373 |
Electro-magnetically operable device
An electro-magnetically operated device is described in which a magnetisable armature, typically a length of thin naturally resilient mild steel, is sandwiched between, and extends from, two parts...
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6911610 |
Medium voltage switching device
A medium voltage switching device includes an electromagnetic actuation chain and a power supply which provides electric power to the electromagnetic actuation chain. The power supply includes at...
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6906605 |
Electromagnet system for a switch
An electromagnet system for a switch includes a main magnetic circuit including a magnet yoke and a magnet armature mechanically linked to a contact apparatus. At least one permanent magnet is...
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6899314 |
Bistable electromagnetic valve
A bistable electromagnetic valve is proposed, which is to be used in refrigerant circuits. The valve can be produced at particularly low outlay and at the same time is reliably leaktight. This is...
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6853100 |
Linear actuator and a pump apparatus and compressor apparatus using same
A linear actuator includes a first yoke part, a second yoke part opposing the first yoke part from a direction perpendicular to the axial direction thereof, an intermediate yoke part forming a...
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6836201 |
Electrically driven bistable mechanical actuator
A mechanical actuator includes an annular electromagnet and a ferromagnetic plunger disposed within a bore of the electromagnet and slidable therein. A first permanent magnet is positioned outside...
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6831535 |
Bistable electromagnetic relay
There is disclosed an electromagnetic relay comprising a stationary first member and a second member adapted to move towards and away from the first member such that when the second member move...
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6792225 |
Switch and image forming apparatus
A switch of the present invention is featured as one employing: a contact to make and break an electrical circuit, and an electromagnet, both of which are installed in a case, and a handle to make...
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6667677 |
Magnet movable electromagnetic actuator
The invention includes an annular exciting coil 10 , a main yoke 12 surrounding a periphery of the exciting coil and having polar teeth 12 a and 12 b disposed to face each other on opposite...
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6646529 |
Electromagnetic release
An electromagnetic release drive, particularly suitable for a residual current circuit breaker, includes a plunger loaded by a spring in a release direction, a permanent magnet configuration, a...
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6639496 |
Bistable long-stroke electro-magnetic mechanical actuator
A novel bistable actuator of the coaxial plunger type, requiring only a single electrical coil and a single permanent magnet, provides electrical remote control of extension and retraction of a...
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6512435 |
Bistable electro-magnetic mechanical actuator
A novel bistable actuator of the coaxial plunger type, requiring only a single electrical coil and a single permanent magnet, provides electrical remote control of extension and retraction of a...
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6501357 |
Permanent magnet actuator mechanism
A permanent magnet, bistable actuator mechanism that uses magnetic repulsion for actuation, the actuator mechanism having a first translator member with a permanent magnet element displaceable...
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6492887 |
Miniaturized flat spool relay
The invention relates to a microrelay comprising a magnetic spool, a contact support body ( 2 ) within which contacts are arranged, a permanent magnet ( 32 ) and an armature ( 31 ) which is...
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6424244 |
Magnetic switch
The invention relates to a magnetic switch having a yoke which has the shape of a rotationally symmetrical cup on the base of which is arranged a permanent magnet. The flux of the permanent magnet...
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6366189 |
Solenoid
A solenoid ( 1 ) comprising at least two stationary coils ( 2, 3 ), which are located axially beside each other and are current supplied at the same time, and at least one magnetically active...
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6337612 |
Switch using solenoid
The present invention provides a switch using solenoid comprising a base having a plurality of grooves formed thereon; a plurality of solenoids having an armature respectively, and being disposed...
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6265956 |
Permanent magnet latching solenoid
A permanent magnet latching solenoid with a central passage carrying a reciprocative armature has a magnetically permeable bushing press-fit in each end of the bobbin. The outer ends of the...
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6164322 |
Pressure relief latching solenoid valve
A pressure relief latching solenoid valve includes one or more axially magnetized permanent magnets disposed proximate a pole piece with the axial magnetization direction of the magnet aligned in a...
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6129115 |
Self-latching solenoid valve assembly
A self-latching solenoid valve assembly including a valve body having a pressurized air supply inlet port for communicating with a source of pressurized air and at least one cylinder port. A valve...
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6130594 |
Magnetically driven electric switch
The present invention relates to a switch with a magnetic drive having an armature movable linearly between two end positions and connected to at least one switch contact, which is under the...
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6057750 |
Magnet device with double fixing positions for changing the magnetic circuit
A magnet device with double fixing positions for changing the magnetic circuit is provided, and includes an external housing whose inner edge is fitted with a coil The inside of the external...
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6040752 |
Fail-safe actuator with two permanent magnets
An electromagnetic actuator has two permanent magnets arranged along their polar axes, with the proximal poles having same polarity. An electromagnet surrounds the two permanent magnets and, when...
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6028499 |
Monophase, short travel, electromagnetic actuator having a good electric power/force ratio
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6005459 |
Switching device
A switching device providing highly-reliable, frictionless, adjustment-free operation is described. Comprised of a comparatively small number of moving parts, the various aspects of the invention...
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5969589 |
Quiet ferrofluid solenoid
A solenoid includes a ferrofluid in gaps between the moving and stationary elements which ferrofluid reduces noise caused by activating a plunger positioned within the solenoid. A permanent magnet...
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5959519 |
Electromagnetic switching device
A switch device including an inner yoke and an outer yoke are arranged around the winding of an electromagnetic block, and a plate-shaped permanent magnet is inserted between the two yokes. A...
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5955934 |
Quiet ferrofluid solenoid with cushion
A solenoid includes a ferrofluid in gaps between the moving and stationary elements which ferrofluid reduces noise caused by activating a plunger positioned within the solenoid. A permanent magnet...
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5945900 |
Electromagnetic contactor
An electromagnetic contactor includes an iron core members formed of a first core bent in a U-shape, and a second L-shaped core contacting the first core. A coil is wound around a spool disposed on...
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5912604 |
Molded pole automatic circuit recloser with bistable electromagnetic actuator
An electromagnetic actuator and an automatic recloser incorporating such actuator are disclosed. The actuator is shown to include a housing, a permanent magnet member, a coil, an armature, mounted...
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