Matches 101 - 150 out of 469 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4677410 Armature bearing ring for an electromagnet  
An electromagnet or solenoid includes an armature in the form of a piston guided for sliding axially in a magnet housing surrounding it. The armature has at least one bearing ring providing the...
4660011 Polarized electromagnet for a fuel injection valve  
An electromagnet which serves particularly to control a fuel injection valve for fuel injection systems in internal combustion engines. The electromagnet includes an inner core of soft-magnetic...
4658232 Electromagnetic device  
An electromagnetic device for use in, for example, the diaphragm control of a camera. The electromagnetic device includes an electromagnet, an armature, an armature shaft and a restricting member...
4658231 Actuating magnet with enlarged plunger pole piece  
An actuating magnet comprises a magnet body (10), an exciting winding (15) rranged in the said magnet body (10) and a radially movable armature (17) having a pre-determined first radial...
4633209 DC electromagnet, in particular for an electric switching apparatus  
A DC current electromagnet is provided developing a high pulling force with reduced current consumption. This electromagnet has the form of a cylindrical pot and comprises a mobile armature which...
4628290 Electromagnetic relay with zig-zag armature spring  
In order to define more precisely the pivot line (25) on which the armature (17) swings about the magnet yoke (12) at its line of contact therewith, the armature restoring spring (28) is made of...
4614927 Polarized electromagnetic relay  
A polarized electromagnetic relay has a movable block which includes two U-shaped magnetic plates, each of which has first and second ends. The plates are fixed on individually associated and...
4609897 Miniature relay  
A relay is disclosed which is sufficiently miniaturized for use in a DIP socket. It employs tapered switching contacts for obtaining maximum deflection with a given force. Novel adjustable fixed...
4605918 High speed current maximum tripping device  
A high speed current maximum tripping device, comprising a fixed core and a mobile core with complementary shapes and disposed in the same plane while defining an air gap therebetween. The fixed...
4604600 Solenoid construction and method for making the same  
A proportional solenoid has a fixed pole piece 39 and a movable armature 45, both fitted into the bore 52 of a guide tube 36 that provides the required concentricity between the fixed and movable...
4601458 Magnetic air valve  
A magnetically operated valve having a resilient flat-surfaced valve member cooperating with a valve seat is disclosed. The resilient member is preferably mounted on an armature in a manner to...
4583067 Electromagnetic solenoid device  
An electromagnetic solenoid device comprises a plunger loosely fitted in a coil so as to be slidable in the axial direction by the actuation of the coil, wherein the plunger is placed in a through...
4577174 Electromagnet for electric switching device  
In an electromagnet for an electric switch, particularly safety switch, an armature and a magnetic core are each formed of a pack of laminations connected to each other by rivets. The laminations...
4569504 Solenoid  
A solenoid which has a coil, a ferromagnetic core extending completely through the center of the coil and a ferromagnetic upper pole formed integrally with the core at the lower end of the coil....
4560969 Electromagnetic positioner for a servovalve or the like  
An electromagnetic positioner for positioning the drive arm of a servovalve or the like, comprising an armature extending between laterally spaced pairs of vertically disposed and vertically spaced...
4553121 Core structure for electromagnetic devices  
An electromagnetic device comprises a stator structure having a central pole piece and axially spaced end pole pieces on opposite sides thereof. The device also includes an axially movable armature...
4539542 Solenoid construction and method for making the same  
A proportional solenoid consisting of a stationary pole piece of ferromagnetic material which has a radially externally facing frusto-conical section surrounding a cylindrical recess in the...
4525696 Driver for rotating a magnetic playback head  
A driver for rotating a magnetic head affixed thereto having a housing, an armature rotably mounted within the housing, at least two field magnets within the housing and positioned around the axis...
4518939 Solenoid with retainer stop  
A solenoid is provided having a simplified construction which gives precise, uniform and reliable performance. The solenoid includes a base member which supports a bobbin. The bobbin is a...
4504810 Electromagnetic devices  
An electromagnetic device includes a stator having circumferential ribs which define grooves locating windings. An annular armature has internal ribs which extend into the grooves and the armature...
4438419 Serial ring actuator  
A linear solenoid device comprises a cylindrical armature or plunger freely movable within the central opening of a stator which comprises a cylindrical coil wound between a pair of annular end...
4282503 Electromagnetic device  
An electromagnetic device comprising a fixed yoke and a rotatable armature is disclosed. The yoke and armature of the device are mounted on a common shaft, and also the lower surface of the yoke...
4253231 Method of making an inductive circuit incorporated in a planar circuit support member  
A planar support member for an electric circuit, e.g. a printed circuit board, wherein at least a region of the support member includes magnetic material through at least a part of its thickness. A...
4242004 Dot matrix printhead driver  
A driver mechanism for a dot matrix printhead, including an electromagnet, an armature, and a print impact element connected to the armature by a cantilever spring, energization of the...
4236836 Dot impact printer and actuator therefor  
A wire matrix printer includes a plurality of electromagnetic actuators for use as dot-matrix printer drive elements. Each actuator has a unitary bobbin body made of insulating material which...
4236130 Solenoid actuator having a long stroke  
A solenoid comprises an electric coil having an opening through it and an armature of permeable material having in fixed relative relationship a core passing through the opening of the coil and a...
4172241 Electromagnetic actuation device comprising a magnetic holding mechanism, particularly for the actuation of high-speed circuit breakers  
An actuation device which includes a holding magnet, an attracting magnet and an armature therebetween, both magnets being excitable by the same electromagnetic source. The armature comprises two...
4170339 Analog displacement type electromagnetic valve  
An electromagnetic valve comprises a magnetic circuit formed by a stationary core and a movable core, or armature pivoted at one end of the stationary core and rotatable continuously between first...
4151499 Rotary solenoid with indirectly coupled output shaft  
A rotary solenoid having an output shaft that is indirectly coupled to the rotor or armature of the solenoid, for rotation independently of or coupled to the solenoid. In one application of the...
4150351 Solenoid having a linear response  
A solenoid for uses such as in a valve for fluid flow control. The solenoid has an armature movable within a core in response to current in a field coil. The armature is shaped as a cone with a...
4136978 High speed electromagnetic printing head  
A high speed printing head comprises a circular array of stylii drivers for printing characters in a dot matrix format. Each driver includes a permanent magnet and bucking coil electromagnet which...
4101858 High torque rotary electromagnetic actuator  
A high torque rotary electromagnetic actuator is described which includes a U-shaped stator formed from a substantially planar sheet of magnetic iron to have two parallel leg portions joined by a...
4093931 Magnetic armature piece for rotary solenoid  
A magnetic armature piece particularly adapted for use with a rotary solenoid includes a pair of high permeability ferro-magnetic rotary poles which are fixed in relationship to each other by...
4041429 Electromagnetic actuator  
An electromagnetic actuator characterized by a pivotally connected stator and rotor (armature) forming a magnetic path linked by the coil and containing an air gap between the extremities of the...
3970978 Electromagnet  
The object of the present invention is a direct current-operated electromagnet. The branch of the armature which penetrates the coil body cooperates with a fixed core branch in three distinct...
3952272 Solenoid core construction  
A magnetic core construction for solenoids or electromagnets, comprising a plurality of unique magnetic laminations adapted to be stacked one on another into a pile. The laminations have...
3891952 Electromagnetic assembly resisting axial armature movement for working or finning tubing  
Fins or threads are formed on the exterior surface of infinite length tubing restrained against rotation and continuously fed longitudinally to a rotating fin forming head. A mandrel initially...
3875544 Torque motor, especially for the rudder gear of a flying object  
The present torque motor, especially for controlling the rudder gear of a flying object, such as a missile, comprises a cross-shaped armature preferably having four free ends which cooperate with...
3822469 METHOD OF MAKING A SOLENOID FOR USE IN AN ENGINE STARTING MECHANISM  
A method of manufacturing an armature assembly for a solenoid includes slidably engaging a first abutment member with a first part of a link member. The link member is provided with an abutment...
3808676 PROCESS OF MANUFACTURING AN ARMATURE-PISTON SUB-ASSEMBLY  
The method of manufacturing an armature-piston sub-assembly adapted to reciprocate within a cylinder of a linear, electric, air compressor or the like. The sub-assembly includes a steel cylindrical...
3800755 SPEED REGULATING ARRANGEMENT FOR INTERNAL COMBUSTION ENGINES  
A speed regulating arrangement for internal combustion engines in which an electrical pulse generator is coupled to the crankshaft of the engine and is operated in accordance with the engine speed....
3792392 RELAY CONSTRUCTION  
The relay construction uses molded parts that are assembled without the use of fasteners. The relay comprises an electromagnet consisting of a core that is snap-mounted within a spool, the spool in...
3750066 SOLENOID FOR USE IN AN ENGINE STARTING MECHANISM  
An armature assembly for a solenoid for use in an engine starting mechanism the armature assembly being of the kind comprising a hollow armature a link member including a first part housed within...
3736540 MOUNTING OF AN ARMATURE PLATE IN A THERMOELECTRIC PILOT SAFETY DEVICE  
A thermoelectric pilot safety apparatus includes an electromagnet and a plate shaped armature having one face adjacent the electromagnet. Extending in the direction away from the other face is a...
3735302 ELECTROMAGNET  
An electromagnet has a pot-shaped enclosure having a cylindrical portion and consisting of magnetizable material, and an elongated guide means which consists of non-magnetizable material and...
3723926 FLUID PRESSURE TRANSDUCERS  
An electromagnetic force applying device includes a core with two recesses each having two windings therein, the two windings in one recess being wound in the same sense and the two windings in the...
3715695 ELECTROMAGNETIC SWITCH HAVING A FLEXIBLE PERMANENT MAGNET ARMATURE  
An electromagnetic switch provided with at least one magnetic circuit comprising a permanent magnet, the polarity of which is reversible by means of a magnetizing coil. The permanent magnet is...
3701066 ELECTROMAGNET ASSEMBLY FOR RELAYS  
An electromagnet assembly has a U-shaped armature mounted on an electromagnet yoke by means of leaf springs forming extensions of the armature arms and serving to hold the armature normally spaced...
3646489 CIRCUIT BREAKER HAVING THERMAL AND MAGNETIC ACTUATION WITH IMPROVED MAGNETIC TRIP  
An electromagnetic circuit breaker having a bimetal operating member combined with a magnetic trip member. The bimetal member is provided with a steel assembly which acts as a trip extension member...
3633139 SOLENOID CONSTRUCTION  
High-pressure and low-pressure AC push solenoid apparatus and method and pull solenoids of the armature in tube type for operating hydraulic valves. The solenoids include unique overall structural...
Matches 101 - 150 out of 469 < 1 2 3 4 5 6 7 8 9 10 >