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8228149 Electromagnetic actuating mechanism  
An electromagnetic control mechanism (1) with an actuating element (15) which can move longitudinally and can be retained in three stable positions. By way of two coils (3, 4), the actuating...
7825758 Solenoid assembly  
A solenoid assembly for use in connection with a housing and valve body is provided. The assembly includes a magnetic coil, a magnetic pole piece, an operating rod, a magnetic armature, and at...
7746202 Magnetic actuating device  
The invention relates to a magnetic actuating device containing a reference element and an adjusting element which is movably disposed between first and second end positions with respect to the...
7741941 Dual armature solenoid valve assembly  
An electromagnetic valve assembly having a dual armature solenoid for controlling two valves is disclosed. In one embodiment, the solenoid may include a first pole piece, a second pole piece...
6940373 Fast engage, slow release electrical actuator  
A fast engage, slow release electrical actuator combines an electromagnetic actuator with a thermal actuator, the latter which retains the electromagnetic actuator after the former has been...
6922121 Power saving electromagnetic switch  
A power saving electromagnetic switch, which is developed to reduce power consumption and implemented using low trouble mechanical parts compared to a conventional electromagnetic switch in which...
6838851 Inner-force providing input device having a power-operated actuator for generating a click feel  
Under electric control of a motor by a CPU, before the rotation angle of a rotary knob reaches a predetermined angle (20°, 40°, 60°, . . . 360°), a torque in the same direction as a rotational...
6559746 Thrust controllable actuator  
A thrust producer of a moving-magnet type includes a rod supported for upward and downward movements by an apparatus main body through an air hydrostatic bearing and a thrust producer for moving...
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, detent...
6246131 Magnetic power apparatus  
A magnetic power apparatus includes an outer shell made of magnetically conductive metal, the outer shell having a through hole on one side wall thereof, an iron core axially movably disposed...
6229421 Autosecuring solenoid  
An autosecuring solenoid utilizes an interposing device that restrains the solenoid plunger when the solenoid is de-energized and/or energized, effectively preventing undesired movement of the...
5933067 Universal solenoid actuator  
A universal solenoid actuator for use with either a fail-safe or a fail-secure lock mechanism or a push-type or pull-type mechanism comprises a reversible coil assembly, at least one plunger and a...
5905423 Magnetically retained polymeric solenoid tip  
A permanent magnet armature solenoid has a tip formed of a non-magnetic material operably connected to a ferromagnetic insert which is firmly held to the end of the magnetic armature by the...
5886605 Actuator assembly with calibration means and electrical power switch apparatus incorporating the actuator assembly with calibration means  
An actuator assembly for an electrical power switch apparatus, the actuator assembly having a housing and a plunger positioned within the housing where the plunger is movable between a set...
5752308 Method of forming a hard magnetic valve actuator  
A solenoid actuator, adapted for use in a fuel injector, has a pole member, an armature associated therewith, and an energizable winding associated with the pole member. The solenoid actuator is...
5522277 Electrically-operated latch  
A solenoid-operated latch for a linearly movable shaft such as a shift lever shaft of a vehicle transmission includes an L-shaped armature that forms a latch plate and a magnetic arm. The shaft...
5497135 Bistable electromagnet, particularly an electromagnetic valve  
A bistable electromagnet is moved from one operating position into the other by a short direct-current pulse, the next pulse following in each case having the opposite current direction. The...
5488340 Hard magnetic valve actuator adapted for a fuel injector  
A solenoid actuator, adapted for use in a fuel injector, has a pole member, an armature associated therewith, and an energizable winding associated with the pole member. The solenoid actuator is...
RE34870 Electro-mechanical actuator  
An electro-mechanical actuator has a ferrous alloy armature movably mounted within a body chamber. Two axially-spaced permanent magnets are arranged radially inwardly of the chamber and partially...
5323134 Solenoid device  
A solenoid comprising a first coil positioned within a frame from which a magnetizable armature, having a coil end and a free end, extends, the coil end of the armature having a section of...
5303012 Single magnet latch valve with position indicator  
An actuator is provided with a position sensing system which comprises a permanent magnet, a saddle plate, a sole plate and the magnetically sensitive component. The magnet and the magnetically...
5206618 Magnetic latch  
A magnetic latch includes a coil, a frame receiving magnetic flux from the coil when energized, a latching member mounted in the frame and rotatably movable between first and second positions with...
5107237 Circuit breaker apparatus  
A sub-miniature circuit breaker particularly suited for use with aircraft simulators is shown which has the same look and feel of circuit breakers used in aircraft. The circuit breaker has a...
5098062 Magnetic valve incorporating a permanent magnet for effecting valve closure  
A magnetic valve which is closed when current is absent includes an electromagnet driver having a U-shaped magnetizable yoke carrying a winding; a pivotally attached armature including a soft...
5055725 Linear motor  
A linear motor provides stepwise, incremental advance of a movable member. A linear motor includes an electric coil surrounded by a magnetic core. A co-axially aligned magnetic movable pole member...
5039968 Rotor setting arrangement  
A system for setting in particular the rotor (2) of a coaxial or waveguide switch in n possible locking positions S1, S2, S3, . . . has an axially staggered drive on one side and on the opposite...
5012292 Device for setting the rotor of a rotary switch  
Device for setting the rotor of a rotary switch in one of three possible switching positions (positions 1 to 3). Such rotary switches can be for example wave guide or coaxial switches. The...
4896127 Lagged type solenoid  
A lagged type solenoid capable of carrying out the plunger advancing operation at a speed lower than the plunger retreating operation. For this purpose, the solenoid includes a plunger lagging...
4891994 Linear electromechanical actuator  
A linear electromechanical actuator has a spring-loaded plunger disposed in a housing. When a solenoid in the housing is energized, the armature of the solenoid moves linearly and, after some...
RE32793 Latching solenoid mechanism  
An internal latching mechanism for a solenoid comprises a cylindrical ball race on the main solenoid plunger with a plurality of balls disposed in aligned apertures in the ball race. First and...
4771255 Solenoid with a mechanical locking linkage  
A solenoid device is provided which includes a bobbin having an armature bore through its center; a plunger partially extending into the bore and serving as an armature of the solenoid; and a coil...
4733212 Pulse latching solenoid  
A latching solenoid is provided which has first and second coils having a central axial opening arranged to produce oppositely polarized first and second magnetic fields along the axial opening. A...
4697164 Incrementally indexing linear actuator  
An electromagnetic linearly indexing actuator in which a shaft is mounted for linear motion in the direction of its axis. A pair of electromagnetic stator assemblies are carried in fixed position...
4647889 Rotary control having variable detents  
A rotary control having a variable detent is disclosed. The control, for electrical instruments and the like, includes a manually rotatable shaft to which a plate is coaxially mounted. The plate...
4628289 Latching relay  
A latching relay includes a housing and a coil secured to the housing. An armature is electromagnetically coupled to the coil such that current to the coil biases the armature to a first position....
4620173 Latching magnetic actuator  
A magnetically driven and latched actuator includes an armature, at least a part of which is of a ferromagnetic material, mounted for reciprocating travel between two spaced apart limit positions....
4539544 Detent mechanism for a hand-operated transducer  
A detent mechanism for a manually activated transducer is disclosed in which the transducer element is movable along a predetermined path by means of a handle and includes a sensor for scanning...
4534539 Pulsed magnetic valve assembly  
A magnetically operated valve having a permanent magnet with constant remanence wherein the permanent magnet is formed with an annular configuration and is located in one end of a tubular core...
4500861 Sector motor having latching means for rotor in multiple positions  
A sector motor has a rotor which is rotatable to one of three positions in a housing. The rotor carries field magnets surrounding stationary armature poles carried by the housing. An arcuate 90°...
4494096 Latching solenoid  
A latching solenoid has a first inductive coil for selectively positioning a member at a preselected location where it is locked against longitudinal movement by a mechanical latching means. The...
4422522 Inertial lock for vehicle door latch  
An inertial lock for the electric actuated release mechanism of a door latch, said release mechanism comprising a solenoid and plunger and said inertial lock comprising a spring biased inertial...
4383234 Magnetic latch valve  
The permanent magnet is mounted within the coil in engagement with the magnetic frame so when the coil is energized by a pulse of DC voltage of polarity giving a coil flux aiding the magnet the...
4353394 Solenoid operated directional valve with detent mechanism  
A solenoid operated directional valve 10 with detent means 48, 50 for retaining the spool 38 of the valve in selected positions, the detent means being operatively associated with the solenoid...
4327344 Solenoid with mechanically latchable plunger  
A mechanically latchable solenoid having a single coil and a single-piece armature or core plunger having a latch pin fixed thereto. The plunger is moved to a first, retracted position by...
4197567 Portable ground fault circuit interrupter  
A ground fault circuit interrupter which utilizes one trip coil to perform the combined functions of interrupting a circuit on occurrence of a ground fault as well as an under voltage condition....
4191248 Tandem solenoid-controlled safety cut-off valve for a fluid well  
A tandem solenoid fail-safe sub-surface safety cut-off valve for fluid wells controllable from the surface and suitable for installation at substantially greater depths than prior constructions....
4181907 Electrical switch construction having armature latch  
An electrical switch construction having a frame carrying a movable switch blade and a latch structure for latching the switch blade in one position when the latch structure is latched and for...
4152581 System for operating a postage metering machine keyboard  
The system responds to signals from a weight computer to depress selected keys on the postage metering machine keyboard. A solenoid is associated with each key. The solenoids are mounted on a...
4103191 Step motor  
A step motor having a rotor adapted to rotate a full revolution in response to each pulse applied to the stator is provided. Positioning magnets are provided for positioning a rotor in a rest...
4078709 Ball latch solenoid and tape transport mechanism incorporating same  
Solenoid has a coil which when energized moves a plunger inwardly through an opening in the housing against an external biasing spring which moves the plunger outwardly when the coil is...

Matches 1 - 50 out of 126 1 2 3 >