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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...
7602271 Electronically actuated apparatus using solenoid actuator with integrated sensor  
An electromagnetic actuator assembly that includes an annular frame, a coil assembly, an annular armature, a plunger and a sensor. The coil assembly is coupled to the frame and includes an annular...
7602270 Actuating magnet  
An actuating magnet is disclosed comprising an actuating means ( 2 ) for exerting a tensile or pressure force on a target element that is to be moved, switched, or latched or unlatched, and...
7598830 Electromagnetic coil apparatus employing a magnetic flux enhancer, and accessory and electrical switching apparatus employing the same  
An electromagnetic coil apparatus includes a ferrous coil frame having a first end and a second end opposite the first end. A coil assembly includes a conduit, a number of coils within the ferrous...
7589608 Locking device for vehicles, in particular for aeroplanes  
A locking device for vehicles, especially for aeroplanes, comprising an actively driven drive element provided with an input shaft and an output shaft which is directly or indirectly connected to...
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...
7557681 Electrical switching apparatus accessory sub-assembly employing reversible coil frame, and accessory and electrical switching apparatus employing the same  
An electrical switching apparatus accessory sub-assembly is for an electromagnetic coil including a movable stem. The electrical switching apparatus accessory sub-assembly includes a coil frame...
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...
7482902 Linear magnetic drive  
The invention relates to a linear magnetic drive consisting of an iron core and a coil. A yoke and a constant magnet are connected to a movable armature. When the armature is placed in a first...
7468647 Linear solenoid having stator core and plunger  
A solenoid includes a stator core, a plunger, a ring core, and a magnetic circuit component. The stator core has a fixed axial end and a free axial end. The free axial end is unfixed. The stator...
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...
7414504 Laminated solenoid plunger for solenoid assembly  
A solenoid plunger for use in solenoid driven multi-line embossing systems is constructed of magnetic steel laminations that are attached to a center block which is machined to mount a solenoid...
7414502 Harsh environment coil-actuator for a cartridge type valve  
Illustrated is a cartridge type solenoid valve with a coil-actuator structure which employs O-ring seals to inhibit harsh environment entry into the coil-actuator and allows for metal to metal...
7330093 Alignment apparatus, exposure apparatus, and device manufacturing method  
An alignment apparatus moves an X-Y slider together with X and Y beams. Electromagnetic guides (electromagnetic mechanisms) are interposed between the X-Y slider, the X beam, and the Y beam. The...
7319374 Moving magnet actuator  
An apparatus includes an electromagnetically conductive assembly including a first member having a first end and a second end and a second member disposed between the first end and the second end...
7288861 Inertial actuator with multiple flexure stacks  
An inertial actuator for active vibration control utilizes a single cylindrical actuator module of the “voice coil” type. A moving armature assembly, including a soft iron shell with a tubular...
7227439 Electrical short stroke linear actuator  
An electrical short stroke actuator, comprising an annular filed collar and a composite plunger for travelling therethrough. In its simplest form, the plunger comprises two permanent magnets with...
7221248 Solenoid with noise reduction  
A solenoid having a housing and a coil disposed in the housing for generating a magnetic field when an electric current passes through the coil. A center pole is disposed within the coil, and the...
7201096 Linear motor having a magnetically biased neutral position  
A linear motor is provided including a stator having at least one electromagnetic coil and a rotor having at least one permanent magnet. The rotor is movable toward at least a first position when...
7164336 Actuator for a fluid valve  
The invention relates to an actuator for actuating a valve installed in a hydraulic or compressed air system comprising a coil support which can be displaced by means of air space induction in a...
7142077 Two-axis actuator with large stage  
A two-axis actuator having a large stage area and including includes a substrate, an anchor unit having sides approximately in a rectangular shape, fixed on the substrate, a plurality of first...
7129811 Electrical structural part and method of its manufacture  
An electrical structural part with an electrical or electronic structural element provided on a basic body and with an encapsulation enclosing the structural element tightly and free of voids, the...
7126449 Electromagnetic valve  
An electromagnetic valve ( 1, 21 ) includes a coil ( 2 ) which is fixedly connected to an iron core ( 3 ). An armature plate ( 5 ) is movably journalled in the direction of the coil longitudinal...
7123120 Solenoid  
Provided is a solenoid which is easier to assemble and which is improved in terms of operability. The solenoid is provided with a snap ring 22 which helps to integrate the molded coil 2 and the...
7113064 Active device for damping the vibrations of a vibrating element  
An active device for damping vibration comprises an actuator comprising a magnetically permeable armature and a coil associated with a magnetically permeable yoke sliding along a displacement axis...
7106158 Solenoid-actuated air valve  
A relatively rugged and simple solenoid-actuated valve ( 100 ) is disclosed having a coil assembly ( 150 ), including a bobbin ( 152 ), a winding ( 160 ) for generating a magnetic field, and a flux...
7106157 Solenoid switch and plating method thereof  
A latch type solenoid switch including a frame, a permanent magnet providing magnetic force to the frame, a coil unit which offsets the magnetic force of a permanent magnet when power is supplied,...
7093778 Device for delivering and/or spraying flowable media, especially fluids  
The invention concerns a device to convey and/or spray free-flowing media, in particular fluids, which works in accordance with the energy storage principle and is designed as an...
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...
7078992 Rotary solenoid  
A rotary solenoid for stabilizing performance is provided. A rotary solenoid 10 includes a pair of the first yoke 21 and the second yoke 22 placed oppositely in a rotor 24 providing a pair...
7075398 Electromagnet and actuating mechanism for switch device, using thereof  
An electromagnet a coil, a movable iron core adapted to move on the center axis of the coil, and a stationary iron core provided so as to cover the upper and lower surfaces and the outer peripheral...
7053742 Electromagnetic actuator having a high initial force and improved latching  
An electromagnetic actuator is provided that comprises a housing, a solenoid coil, and an armature. The armature is movably disposed in an interior cavity defined by the housing. Irregular gaps are...
7053741 Electromagnetic actuator, manufacturing method thereof, and fuel injection valve  
A magnetism property of an armature is increased by including a moving core of sintered metal of 1LSS to 3LSS, and a shaft of a ferromagnetic material. By contrast, a stator core contains 0.005 to...
7049915 Bistable magnetic actuator  
An actuator is described having two fixed magnetic structures, and a mobile magnetic part able to move towards either one of the two ends of the magnetic structures. The actuator can be in the form...
7044438 Electromagnetic actuator with non-symmetrical magnetic circuit layout for actuating a gas-reversing valve  
An electromagnetic actuator for actuating a gas-reversing valve on a piston internal combustion engine includes two electromagnets. Each electromagnet includes a one yoke body presenting a pole...
7042321 Electromagnetic actuator with controlled attraction force  
The invention relates to an electromagnetic actuator comprising an actuator member ( 6 ) connected to an armature ( 8 ) which is movable under drive from a drive member comprising at least one coil...
7026900 Magnetic motion device  
A magnetic motion device is disclosed, wherein a permanent magnet slides back and forth along a pivoting rail due to the interaction between the slide's magnetic field, the magnetic fields produced...
7026899 Push/pull actuator for microstructures  
A relay for switching an electrical signal includes switching elements, an actuator for closing the switch, and an actuator for opening the switch, the latter two of which are mechanically...
7009478 Solenoid arrangement  
A solenoid arrangement has at least one excitation coil and an armature arranged concentrically relative to the excitation coil and axially movable when the at least one excitation coil is supplied...
7009477 Electromagnetic actuator  
An actuator for applying force along an axis to a body, comprising an annular body arranged along the axis, an annular magnetic field source within and substantially coaxially with the annular...
6989729 Proportional pressure control valve for controlling the pressure level in a hydraulic circuit  
A proportional pressure control valve ( 1 ) for controlling the pressure level in a hydraulic circuit having a push rod ( 5 ) as a connection between a control element ( 13 ) arranged in the...
6987437 Electromagnetic actuator  
An electromagnetic actuator has a movable core, a housing that holds the movable core so that the core may freely reciprocate, and an attractive part that applies a magnetic force to pull the...
6972653 Displacement control device  
A displacement control device ( 1 ) is adapted to move a member ( 23 ) relative to a body ( 7 ). The displacement control device includes a drive means ( 2, 3 ) and an emergency actuator( 8 )...
6967550 Electromagnetic regulating device  
An electromagnetic regulating device with a movable actuator ( 42 ), especially a piston, having an engagement region ( 44 ) on an end thereof, and a coil device ( 34, 36 ), which is stationary...
6950000 High initial force electromagnetic actuator  
An electromagnetic actuator is provided that comprises a housing, a solenoid coil, and an armature. The armature can move between a first position proximate a portion of the housing and a second...
6949999 Apparatus for holding a stable condition at two positions and a lens apparatus  
An apparatus for holding a stable condition at two positions comprising a driving magnet 130 having driving magnetic poles and adapted to be movable in two directions; a driven magnet 140 ...
6946062 Electropolish/grinding means for an inner surface of a long tube  
The present invention is an electropolishing/grinding device for an inner surface of a long tube, including at least one long tube, one electrode, at least two partitions, one fixed magnet...
6927656 Electromagnetic actuator and method for manufacturing electromagnetic actuator, and control valve for variable displacement compressor using electromagnetic actuator  
An electromagnetic actuator includes a cylinder, a stationary core and a movable core arranged in the cylinder, and a coil located about the cylinder. The movable core moves in the cylinder in...
6922124 Electromagnetic drive device  
An electromagnetic drive device for lineally reciprocatilvely moving an operating member like a spool of a spool valve is reduced in the manufacturing cost without being degraded in its operational...
6919786 Actuator with magnetic circuit having two iron parts  
An actuator ( 1 ) has two parts in the iron circuit and has a simple construction. A short-circuit element ( 3 ) has an offset ( 90 ), which depending on the position of an armature ( 9 ) varies...
Matches 1 - 50 out of 151 1 2 3 4 >