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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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7423505 |
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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7315230 |
Adjustable solenoid
Embodiments of the present invention provide solenoid plungers, solenoid actuators, and solenoid-actuated mechanisms, that provide for an adjustable stroke, adjustable rated force, and adjustable...
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6975191 |
Resettable switching device
A resettable switching device, e.g. a relay, comprises a fixed contact ( 18 ) and a movable contact ( 28 ). A solenoid ( 12 ) is fixed relative to the fixed contact and a ferromagnetic plunger ( 20...
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6918571 |
Solenoid operated valve assembly and method of making same
A soleniod operated valve has an operating rod attached to the armature with one end of the rod contacting the end of a valve member for effecting movement thereof upon coil energization. A lower...
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6838965 |
Electromagnetic actuator and method for adjusting said electromagnetic actuator
An electromagnetic actuator includes two electromagnets spaced apart from one another, an armature that is movable back and forth by magnetic force between the electromagnets against the force of...
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6833778 |
Electromagnetic switch and starter using the same
An electromagnetic switch includes a contact holding member connected to a plunger in order to hold a first movable contact. The contact holding member is disposed outside a switch case covering a...
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6831539 |
Magnetic microactuator for disc with integrated head connections and limiters drives
A microactuator design and fabrication method for an improved magnetic microactuator incorporating mechanical stroke limiters and integrated connections between the flex on suspension and slider....
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6778049 |
Apparatus and method for changing the dynamic response of an electromagnetically operated actuator
An apparatus for use in components such as servo-valves, regulators and injectors for stabilizing system oscillations. The apparatus includes an armature having at least one groove formed on an...
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6674352 |
Moving-coil electromagnetic actuator, particularly for a control valve, with resilient element incorporated in the coil
An electromagnetic actuator, particularly for a valve for controlling the injection of fuel or fuel oil is described and comprises: a fixed permanent magnetic core, and an electrical control...
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6667675 |
Adjustable magnetic trip assembly for circuit breaker
An adjustable magnetic trip unit for a circuit breaker includes a torsion spring which applies a bias force to the plunger of a trip solenoid. The torsion spring is mounted on a driven bevel gear...
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6608542 |
Switching relay with improved armature spring
An armature for a switching relay having an armature plate and an armature spring. The armature plate is pivotally mounted on the switching relay between an open and closed position. The armature...
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6590483 |
Electromagnetic solenoid actuator
An electromagnetic solenoid actuator comprising a cylindrical casing, an electromagnetic coil arranged in the casing, a fixed iron core arranged in the electromagnetic coil, a moving iron core...
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6556113 |
Electromagnetic adjusting device
An electromagnetic adjusting device for automatic transmissions of motor vehicles has an electromagnet having a magnetic coil, a substantially cup-shaped housing which surrounds the magnetic coil...
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6448673 |
Controlled high speed reciprocating angular motion actuator
A reciprocating rotary action actuator consisting of a rotor and stator that can be added to a bi-directional rotary motor or galvanometer scanner, where the stator has a ring magnet and a pair of...
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6377145 |
Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
A vibration actuator includes an electromechanical transducer having a magnetic circuit ( 1 - 4 ) and a driving coil ( 5 ), a support frame ( 9 ), and a damper ( 270 ) elastically supporting the...
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6351201 |
Microelectromechanical switch with braking algorithm
A micromechanical switch having a plurality of stable positions, which can be driven between the stable positions with a minimum of residual oscillation. The low oscillation results from the...
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6320487 |
Control device with tailored feedback
A control switch assembly includes a variable and selectively activatable feedback unit. The feedback unit provides tactile feedback to a user of the system depending upon a particular adjustment...
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6265958 |
Electromagnetic relay, joining structure for hinge spring and yoke in the electromagnetic relay, and flux penetration preventing structure
An electromagnetic relay has an iron core, an armature, a coil wound around the iron core, a yoke, a hinge spring, and a joining structure. The yoke is fastened rigidly to the iron core and has an...
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6262498 |
Electromagnetic drive mechanism
An electromagnetic drive is described that exhibits two electromagnets (2, 3) situated opposite one another and an armature (10) between them that can be moved back and forth. The armature (10) is...
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6067000 |
Electromagnetic actuator upper spring assembly
An electromagnetic actuator 10 includes housing structure 12, first and second electromagnets 14 and 16 disposed in spaced relation in the housing structure, an armature 24 mounted for reciprocal...
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6040750 |
Electromagnetic switching device
A switching device is provided which includes a magnet system having a yoke which is elastically mounted by means of a volute spring. The volute spring permits the yoke to be displaced as far as...
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6037852 |
Magnet damping arrangement
An inexpensive and simple magnet damping arrangement, in particular for contactors with a.c. solenoids, is to be created. The non-switching magnet yoke of an electromagnet system with magnet coil...
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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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5982257 |
Integral armature retention spring for electromagnetic relays
An electromagnetic relay is provided having a base; a motor assembly mounted on the base, the motor assembly including a coil, a core and a frame; an armature pivotably mounted on the frame; a...
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5949314 |
Electromagnetic drive for a switch
An electromagnetic drive for a switch, preferably a motor protective circuit-breaker. The electromagnetic drive has a magnetic system, whose movable armature serves to actuate switching contact...
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5825270 |
Electromagnetic solenoid
The solenoid body of an electromagnetic solenoid having a pair of coil terminals to which an exciting coil is connected is movable together with a stopper plate in the direction of the arrow X and...
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5519268 |
Oscillating system
An electromagnetic oscillating system is disclosed and includes an electromagnet with at least two poles. Each of the poles carry at least one electric excitation winding for connection to an...
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5513832 |
Variable force solenoid valve
A combined bearing/diaphragm seal for use in a solenoid valve assembly or the like is disclosed which provides a flexible fluid seal between the solenoid sub-assembly and the valve sub-assembly....
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5495220 |
Iron core retaining structure of electromagnetic contactor
A structure for reducing impact force due to the collision of a movable iron core (4) against a fixed iron core (3), especially, impact force exerted against a bottom plate of a lower casing (2)...
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5473298 |
Torque motor
An improved torque motor includes a supporting body (3) having a U-shaped cross-section and formed of a magnetizable material, includes at least two magnet structures (7, 8) adapted to be mounted...
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5349319 |
Starter
In a starter, the pinion, which is rotated by torque of an electric motor, is slid axially by the plunger of an electromagnetic switch and is pushed against the engine ring gear by a conically...
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5252938 |
Solenoid with armature biased towards the rest position with two springs
A solenoid having an armature movable with respect to a stator from a rest position to an energized position when a coil is energized. Two return devices, for instance helical compression springs,...
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5119915 |
Electromagnetic coupling armature assembly with flux isolator springs
An armature assembly for an electromagnetic coupling includes an armature plate made of a material having low magnetic reluctance and also includes an output hub having angularly spaced and...
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5059934 |
Cross-coil rotary magnet device
In a cross-coil rotary magnet device, a rotor (32) which is mounted rotatably together with a shaft (35) is formed of a permanent magnet (33) with diametrically opposite permanent magnet poles and...
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5053756 |
Electromagnetic relay with return spring
An electromagnetic relay with a return spring is described, where the relay consists of a solenoid coil with a movable armature as the drive and a contact spring assembly, and there is an actuating...
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5040567 |
Multi-way valve
The multi-way valve comprises two valve seats (12, 14) formed in the valve chamber whose seat surfaces are parallel. Two closing bodies (22, 24) cooperating with one of these valve seats (12, 14)...
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4988966 |
Electromagnet, particularly for actuating the switches of a contact maker apparatus
An electromagnet is provided comprising a fixed yoke, a movable armature including a core concentric with an energization coil, and magnetizable plates separated from the yoke by a variable...
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4984668 |
Electrically-powered drive apparatus
An electrically powered drive apparatus comprises a first clutch plate secured to an output shaft and a second clutch plate mounted to a gear which is rotatably and slidably provided on the output...
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4945331 |
Electromagnetic actuator
An electromagnetic actuator for driving a hammer of an impact printer includes a solenoid and an armature which is attracted thereby. In a state of standby for printing, no current is supplied to...
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4918414 |
Electromagnetic switching device
An electromagnetic switching device includes a mechanism to couple the magnet armature with its contact carrier. A plate spring is provided with cylindrical formations in its mid-section as well as...
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4851802 |
Electromagnetic relay
A relay includes a coil member having an axial cavity within which is an elongated rigid armature interacting with at least one pole plate in contacting fashion. The armature is positioned in the...
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4828409 |
Print head
A print head for a dot matrix printer comprises a housing (1) containing a number of actuators (2) driving a corresponding number of print wires (6). Each actuator (2) includes an actuating coil...
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4818133 |
High speed wire matrix print head
A wire matrix print head includes a plurality of axially movable print wires, each having an associated electromagnetic actuator comprising an actuating armature and an electromagnet. An E-shaped,...
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4818965 |
Electromagnetic relay
In a relay including an angle yoke (5), a flat armature (8) and a thin base plate (6) applied to the outside of the yoke, which forms a bearing groove (7) for the armature (8) together with the...
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4771689 |
Unitary spring armature for a dot matrix printer
An elongated unitary spring armature is disclosed for use in dot matrix printers. The spring armature has an elongated triangular shape with attachment means located adjacent to the base and means...
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4740771 |
Armature biasing means in an electromagnetic relay
An electromagnetic relay includes an electromagnet block and an armature block both mounted together on a relay base. The armature block is magnetically coupled to the electromagnet block such that...
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