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7388460 Solenoid actuator  
A plunger for use with a solenoid having a winding defining a bore is provided in an embodiment in accordance with the present invention, comprising a plunger first end, a plunger second end...
7369023 Method for manufacturing a magnet armature  
A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a...
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...
7280021 Linear solenoid designed to ensure required amount of magnetic attraction and solenoid valve using same  
A linear solenoid is provided which works to pull a plunger to a stator magnetically. The plunger and the stator are aligned to have ends opposed to each other. The end of the stator has formed...
7247118 Limited slip differential device  
A limited slip differential device has differential gears, a clutch to limit the differential function of the differential gears, and a electromagnetic solenoid including a plunger and a coil. The...
7243899 Valve arrangement  
An electromagnetic valve arrangement with a valve element having least one part disposed in a valve chamber defined by a valve insert in the region of a valve seat. An end facing away from the...
7209020 Variable force solenoid  
A variable force solenoid is described, wherein the solenoid has a relatively long stroke and a relatively low profile. The solenoid includes an armature with at least one tapered surface and a...
7199687 Solenoid type drive and starter using the same  
A solenoid type device as a magnetic switch of a starter 10 comprises an exciting coil 3 f that is energized and generates magnetic force, a plunger 3 a that is a moving core which is a part...
7147202 Tank vent valve  
A canister-purge valve for the metered admixing of a fuel scavenged from a fuel tank of an internal combustion engine into the internal combustion engine includes a valve seat and a valve body...
7095304 Solenoid air valve  
According to a solenoid air valve, a flange portion of a moving core and a flange portion area of a bobbin implement a stop area defining a distance of travel of the moving core in a direction away...
7091808 Solenoid  
A solenoid that has a small body and increased propulsion in a controlled range is provided. The solenoid is characterized by being provided with a bearing 40 formed of a nonmagnetic body, n...
7088209 Electromagnetic actuator for operating a final control element  
An electromagnetic actuator for operating a final control element has at least one solenoid which is arranged in a housing and acts upon an armature constructed of laminations oriented essentially...
7059453 Electromagnetic brake  
An electromagnetic brake interposed between a fixed housing and a rotating member. The electromagnetic brake includes a multiplate brake mechanism, a ringlike core member fixed through an annular...
7049917 Solenoid air valve  
A moving core of a solenoid air valve has a flange portion arranged on a side of a fixed core, provided in a radially projecting manner and having a first diameter, and a shaft portion having a...
6980072 Linear actuator, and pump and compressor devices using the actuator  
A linear actuator has inner yokes, outer yokes forming gaps between themselves and the inner yokes, and a movable body provided with planar magnets in the gaps. Eight pieces each of the inner yokes...
6974117 Proportional valve actuating apparatus  
A valve actuating apparatus for providing proportional control of a fluid flow that includes a housing having a valve body with an inlet port and an outlet port. In one embodiment, the valve...
6956454 Magnetic subassembly of an electrical breaker apparatus  
Magnetic subassembly for electrical breaker apparatus, comprising a magnetic yoke ( 10 ), a fixed core ( 39 ) and a moveable core ( 30 ) sliding along an axis (X) inside an insulating sheath ( 20 )...
6877717 Control valve for a vehicular brake system  
A control valve for controlling fluid flow in a hydraulic control unit of a vehicular brake system includes a valve seat. A sleeve is mounted on the valve seat. An armature core is slidably...
6794971 System and method for removing noise from AC operated electro magnets  
The present invention provides a formed interface there between a magnetic core proximate an armature of an electromagnetically actuable device. A coil of the electromagnetically actuable device is...
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...
6759934 Proportionally-controllable solenoid actuator  
A proportionally-controllable solenoid including primary and secondary pole pieces that surround an armature axially movable along an axial channel within the pole pieces. The pole pieces are...
6737946 Solenoid for efficient pull-in and quick landing  
A solenoid with improved pull-in and landing characteristics. As a solenoid armature closes toward contact with the pole faces of a yoke, a geometric redistribution of a constant total flux causes...
6731191 DC electromagnet  
A DC electromagnet system used in an electrical switchgear, for example in a contactor having a driving coil, includes a fixed, C-shaped magnet yoke and a movable, rod-shaped armature. The yoke has...
6731043 One-piece field core shell  
A spin-roll formed one-piece field core shell formed from a blank disc of sheet metal. The one-piece field core has an outer annular ring integral to and encircling a center axis of the disc and...
6724286 Adjustable trip solenoid  
An adjustable solenoid having an enclosure containing a winding through which a current is passed. The winding defines an area and a plunger is positioned at one end of the area with a mechanical...
6720853 Electrically operated solenoid having an adjustable actuator pin length  
An electrically operated solenoid for controlling a valve mechanism, including a coil assembly, a magnetic armature defining a passage extending therethrough, a pole piece defining a passage...
6715732 Proportional solenoid-controlled fluid valve assembly  
A proportional solenoid-driven valve control assembly contains a moveable, magnetic armature positioned adjacent to one end of a fixed pole piece that protrudes from a solenoid bore and is...
6674353 Magnet system for a relay  
The magnet system is part of a relay, which displays particularly low-noise switching. Components of the magnet system include a core unit ( 1 ), an armature ( 6 ) and a not represented coil,...
6664877 Solenoid for electromagnetic valve  
A magnetic body case in a solenoid for an electromagnetic valve has a cylindrical skirt portion which surrounds a side face of a bobbin and a cap portion which covers one end face of the bobbin in...
6615780 Method and apparatus for a solenoid assembly  
A solenoid assembly includes a solenoid having a magnetic circuit comprising stationary primary and secondary pole pieces and a moveable armature. The primary pole piece includes an inner...
6578817 Solenoid valve  
A solenoid valve includes a moving part, a plunger of magnetic material having one end facing an end face of the moving part, and a protrusion formed at the one end of the plunger and abutting on...
6578689 Electromagnetic clutch and a compressor provided with electromagnetic clutch  
The invention provides an electromagnetic clutch that effectively reduces the shock noise produced during the coupling of an armature plate and a drive rotor, and furthermore, has a laminated body...
6542059 Solenoid for electromagnetic valve  
A solenoid for an electromagnetic valve is provided with a bobbin on which a coil has been wound, a movable iron core fitted into an iron core hole of the bobbin and a fixed magnetic pole member...
6540056 Armature disk with friction material  
An electromagnetic clutch assembly for selectively connecting a source of rotative power with a driven component having an input shaft rotatable about a shaft axis features a driven member mounted...
6507257 Permanent magnet brushless torque latching actuator  
A bi-directional latching actuator is comprised of an output shaft with one or more rotors fixedly mounted thereon. The shaft and rotor are mounted for rotation in a magnetically conductive housing...
6484998 Electromagnet and hydraulic valve comprising such an electromagnet  
A solenoid valve ( 50 ) has a valve housing ( 51 ) with a valve slide ( 53 ) in which two magnets, with one pole ( 1 ) each, are inserted. The poles ( 1 ) each have a coil core ( 8, 9 ) which...
6462635 Resonant device, such as a striker or load generator  
The invention relates to a resonant device comprising a mass/spring system composed of a main mass comprising at least one main mass element, and of at least one spring element ( 3 ). The device is...
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...
6420951 Sintered armature  
An armature for a magnetic system of a switchgear, produced in the form of a one-piece sintered part, whose free design makes it possible to easily optimize the flux and mass and reduce production...
6409144 Solenoid valve with integrated yoke and bobbin  
An electromagnet includes a cylindrically shaped electric coil made of magnetic material and wound around a bobbin made of resin material and made of magnetic material, a cylindrically shaped case...
6404312 DC electromagnet  
DC electromagnet comprising a magnetic circuit equipped with a yoke and a magnetic core fixed at its ends with vanes and capable of axial displacement. The magnetic core 21 is smooth and the...
6377146 Ball actuator  
A ball actuator 10 comprises a case 12 supporting a striker 14 with an energy storage spring 16 , a control rod 18 movable in translation in a direction parallel to a geometric axis 19 ,...
6364084 Armature for a selectively engageable and disengageable coupling  
An armature for a selectively engageable and disengageable coupling and a method of making the armature are provided. The armature includes a substantially annular body that is disposed about a...
6305583 Valve for viscous fluid applicator  
A valve for dispensing a viscous fluid, includes a valve body defining a fluid chamber and a stepped armature within the fluid chamber. The armature has a large diameter portion maintained spaced...
6276663 Normally rising variable force solenoid  
Method and apparatus are described for a variable force solenoid for controlling the flow of a fluid in a housing having a bore for receiving the fluid flow, at least one port for exhausting the...
6236296 Electromagnetic actuator  
Electromagnetic actuator including a mobile magnetic member made up of stacked ferromagnetic plates and two fixed electromagnets for reciprocating the mobile magnetic member along a central axis....
6224033 Proportional solenoid-controlled fluid valve assembly  
A proportional solenoid-driven valve control assembly contains a moveable, magnetic armature positioned adjacent to one end of a fixed pole piece that protrudes from a solenoid bore and is...
6199823 Solenoid valve with an external sleeve armature  
A solenoid actuated valve includes a valve body and a sleeve armature slidably mounted on the valve body for movement between a flow preventing position and positions away from the flow preventing...
6130595 Electromagnetic switch  
An electromagnetic switch has a solenoid coil, a sleeve and a movable core which slides in the sleeve. A metal thin film is formed on an outer peripheral surface of the movable core by...
6106682 Thin-film processing electromagnet for low-skew magnetic orientation  
An electromagnet having one or more coils wrapped around a plate-shaped core produces a uniaxial magnetic filed in the vicinity of a substrate surface for orienting a magnetic film deposited onto...