Abstract: A magnet valve having a rod-like base body for insertion into a stepped bore of a hydraulic block through which a valve tappet reaches a valve closing ball and on whose face end remote to an armature a cup-shaped sleeve is mounted. A valve seat of the magnet valve is embodied on the bottom of the cup-shaped sleeve. In order to make a large flow cross section available for a flow through the magnet valve in one flow direction, a check valve is integrated with the magnet valve and that to this end flow openings are disposed on an imaginary circle in the bottom of the cup-shaped sleeve. The openings are closed by an annular valve closing body of the check valve. The magnet valve of the invention is intended particularly for use as a brake pressure buildup valve for a wheel brake cylinder of a slip-controlled vehicle brake system.

Abstract: A solenoid valve is disclosed which includes a solenoid assembly, an axial flow chamber and inlet and outlet housings secured to the axial flow chamber. The axial flow chamber comprises a generally cylindrically shaped inner portion and a cylindrically shaped outer portion spaced radially apart from the inner portion and connected to the inner portion by a web forming at least one passageway through the axial flow chamber. The solenoid assembly resides generally within the inner portion of the axial flow chamber and is further restrained by the inlet housing. The inlet and outlet housings are secured to the axial flow chamber.

Abstract: An electromagnetic relay has a base with a contact arrangement and a rocker armature mounted on the base. Above the base, a magnet system with a coil, a core and two yokes is provided, this system working together with the rocker armature. At least the coil with the core is embedded in the insulating material of a basic body which surrounds the base in box-type fashion with side walls that are integrally formed downwardly, and forms a sealed contact chamber. By means of the basic body surrounding the coil, a high insulation strength of the relay between the coil and the contact system is ensured, as is a high stability of the construction.

Abstract: A tri-core solenoid includes first, second and third core segments. The first and second core segments mate to form a low reluctance mating interconnect. The low reluctance mating interconnect includes, in one example, overlapping regions of the first and second core segments that form a joint surface area substantially in the same plane as the flow of flux through the first and second core segments. The third core segment, such as a plunger or armature, is slideably received in an aperture defined by the first and second core segments. The first core segment includes an end portion preferably having a first pole face that mates with a second pole face on the third core segment. The second core segment has a receiving region, such as a journal or bushing, that slideably receives the third core segment and forms a journal air gap therebetween.

Abstract: A valve control device for controlling a valve for a pressure fluid includes a cylindrical coil having a longitudinal extent defining a longitudinal axis, an end surface, a coil body with a terminal pin carrier disposed on the end surface, and a coil wire wound onto the coil body. Coil terminal pins are oriented crosswise to the longitudinal axis of the coil, are secured to the terminal pin carrier and are electrically conductively connected to the coil wire. A yoke ring housing includes a yoke ring sheath surrounding the longitudinal extent of the coil and having a longitudinal extent. The yoke ring sheath has an opening formed therein in the form of a gap piercing the full longitudinal extent of the yoke ring sheath for accommodating a terminal. A housing wall faces toward the end surface of the coil and a fastening element secures the yoke ring housing on the housing wall.

Abstract: A valve assembly, preferably an electric exhaust gas recirculation valve, including a housing with an open end and a base end. The base end having a passage that allows exhaust gas flow therethrough by a salve member operated by an electric actuator. A cap is secured to the open end of the housing with a retainer. The retainer having a renovable snapfit engagement with the housing.

Abstract: A solenoid selector switch shield for protecting the solenoid switch in a feeder assembly that feeds ammunition to a weapons system. The solenoid selector switch shield is designed to fit over the solenoid and the selector switch and prevent damage to the selector switch during both shipping and operation of the weapons system. In a preferred embodiment the solenoid selector switch shield is characterized by a cylindrical shield barrel having a bevelled access end and a mount end provided with an end mount bracket for mounting the shield to the feeder assembly. A middle bracket is also welded or otherwise attached to the shield barrel and is likewise secured to the feeder assembly. The bevelled access end of the shield barrel is designed to facilitate optimum access to the selector switch knob of the solenoid switch for manipulating the solenoid switch and determining the type of ammunition to be fed to the weapons system by the feeder assembly.

Abstract: The present solenoid stator assembly is adapted to be mounted upon a mounting seat of a fuel injector valve. The assembly includes a housing having an upper end, a lower end, and a base adapted to fit on the mounting seat of the fuel injector valve. A substantially E-shaped stator core is disposed within the housing. The stator core includes a top portion having a first end and a second end. A first outer pole piece depends substantially perpendicularly from the first end, and a second outer pole piece depends substantially perpendicularly from the second end. The central pole piece is located substantially central to the first and second outer pole pieces, and depends substantially perpendicularly from the top portion in a direction substantially parallel to that of the first and second outer pole pieces. The first and second outer pole pieces and the central pole piece each have a distal end forming a face, each face being substantially flush with the base of the housing.

Abstract: The invention relates to an electromagnetic actuator including at least one electromagnet which has a yoke body (1) provided with a coil winding (6), and an armature (10) which is connected with a setting means and which, against the force of a resetting means (11), assumes a contacting relationship with a pole face (12) of the yoke body (1) when the coil winding (6) is energized. The yoke body (1) has an essentially rectangular outline and has at least two parallel side faces (4). The pole face (12) of the yoke body (1) is formed as a circular surface and the armature (10) is formed as a circular disk.

Abstract: A drive device with an electric motor with permanent magnets and a pole top more particularly for use with servo drives in motor vehicles. A relay is provided for switching the motor current with at least one electromagnet, which contains a relay coil and a relay armature, and with at least one relay contact. The relay is mounted in the pole top of the electric motor and the magnetic field lines of the electromagnets are closed through the permanent magnets and the pole top of the electric motor.

Abstract: In an electromagnet with sleeve-shaped magnet housing with integrated valve body, in particular for the actuating of valves, the pole core is developed as a separate part and is surrounded by the sleeve-shaped magnet housing. The magnet housing has inward-directed corrugations distributed uniformly over its circumference which serve as axial support for the pole core in the direction of the electric windings.

Abstract: In the case of the relay, an insulating wall which has at least three insulating layers is formed between the magnet system and a live metal part, in that the insulating wall is formed from a wall base having at least one insulating gap, and in that the insulating layer is formed in the insulating gap by insulating material which is inserted in liquid form and is subsequently cured.

Abstract: A solenoid actuated valve includes a first subassembly that carries a coil having its terminal pins attached to a structure such as a circuit board or lead frame. A second subassembly is provided for mating with the first subassembly and carries the valve body. The first subassembly has a solenoid spool including the coil, and a case surrounding the spool. An end plate is suitably locked to the case. A bias spring is provided between the spool and the end of the case. The spool assembly is designed to be freely floating both radially and axially within the coil case and end plate, as restricted by the bias spring. This permits proper location of the coil case to the hydraulic valve body assembly.

Abstract: An electromagnetic linear actuator having a stationary annular assembly with a magnetic outer shell and a magnetic inner core. Monostable or bistable control components may be mounted interchangeably between the outer shell and inner core. An assembly which is moveable in the axis of the annular assembly includes two magnetic plates which face the extremities of the annular assembly and a rod which is mounted so that it can slide inside the core. The first core is made of a material chosen for its frictional characteristics. The actuator may be used to control the valve of a regulator in the fuel supply circuit of a satellite engine.

Abstract: In the case of the relay, connecting elements which are anchored in the base body are passed out of the base body (1) at the side and are bent at right angles to the base plane as push-in posts (12). The push-in posts (12) are formed by sections which are rolled in in the form of sleeves or channels are bent outwards from the contour of the relay structure with an axis at right angles to the base plane and form pushing-in shoulders (14) with their respective upper edge.

Abstract: A shell/terminal/coil subassembly adapted for an electrically-controlled proportional fluid pressure control valve assembly. The shell/terminal/coil subassembly comprises an encapsulated terminal/coil subassembly, a shell, and an anti-rotation device for preventing relative rotation movement between the terminal/coil subassembly and the shell. The pressure control valve assembly is adapted for, inter alia, a hydraulically-actuated fuel injector system.

Abstract: A circular metal clinch ring (36) secures a cap (26) to a shell (24) of an EEGR valve (20). The clinch ring has a plurality of integral sharp pointed barbs (210) that partially embed in polymeric material of the cap. The ring constrains the shell and cap against relative axial and circumferential movement, with some barbs being pointed in one sense and others in the opposite sense to resist relative circumferential movement between the cap and the shell in both circumferential senses. A wave spring washer (186) is disposed to maintain the axial position of the bobbin-mounted solenoid coil (70) within the valve.

Abstract: A solenoid valve assembly having a rapid assembly clip. The clip is a spring clip which is pivotally secured to a housing for the solenoid valve assembly. The clip engages an annular groove in an extending portion of a solenoid element, with the clip being appropriately shaped to engage the groove to retain the solenoid element in place in the housing. In the described form of the invention, the spring clip is a wire element which engages the annular groove on opposite sides. Where there is engagement, the wire element is curved to conform to and firmly seat in the annular groove.

Abstract: A solenoid valve assembly, subject to high vibration and shock induced loading, providing both axial and radial motion restraint of critical valve structures as economical means for achieving structural integrity.

Abstract: A solenoid valve has a yoke with reinforcing integral frame members surrounding inlet and outlet connectors molded into a plastic body which encapsulates the solenoid coil and electrical components and forms the valve housing.

Abstract: An electromagnetic solenoid includes a body unit of plastic integrally including a cylindrical bobbin around which a coil is wound and a connector housing, a plunger arranged in the bobbin, a yoke fixed on the body unit, by insertion molding, to lead magnetic fluxes from the coil onto the side of the plunger, a terminal piece insertion-molded to the body unit in a protruding manner into the connector housing, a coil connection piece of the terminal piece for connecting the terminal of the coil protruding from the side portion of the body unit and a case attached to the body unit to cover the coil and bobbin with an insulation space for insulation defined around the coil connection piece.

Abstract: A valve for combining exhaust gas from an engine combustion chamber with engine intake gases. The valve includes a valve body having a gas inlet and a gas outlet connected by a throughpassage. A flow control member supported by the valve body regulates flow through the valve body throughpassage. A magnetic drive is supported for movement with respect to the valve body and coupled to the flow control member to regulate flow in the throughpassage. An electronically actuated field-generating solenoid moves the magnetic drive member to control flow through the valve body. The solenoid and a sensor for monitoring a position of the magnetic drive are supported within a plastic molded housing. The plastic housing also partially encapsulates a pole piece that forms a magnetic circuit in combination with the magnetic drive.

Abstract: A solenoid valve with protective cap (10) having electrical connection elements (11, 13) attached to the cap fits only the electromagnet (2) of a solenoid valve (1). A cavity (12) situated in the cap makes it possible to add on circuit band unit (20) providing circuits which complement the solenoid valve but vary from user to user. Cable connection elements, elements for visual indication of the functional state, delay circuits, interference-suppressing circuits, intrinsic safety circuits, circuits for detecting the position of the moving core, circuits for detecting the presence of fluid, logical indexing circuits etc. may be mentioned as examples of circuit elements which complement the solenoid valve. The solenoid valve also comprises connection elements (18) which permit a rational and cableless electrical link between at least two solenoid valves.

Abstract: A valve for combining exhaust gas from an engine combustion chamber with engine intake gases. The valve includes a valve body having a gas inlet and a gas outlet connected by a throughpassage. A flow control member supported by the valve body regulates flow through the valve body throughpassage. A magnetic drive is supported for movement with respect to the valve body and coupled to the flow control member to regulate flow in the throughpassage. An electronically actuated field-generating solenoid moves the magnetic drive member to control flow through the valve body.

Abstract: A solenoid attachment for a vehicle antilock brake system. The solenoid attachment includes a coil pack housing (10) having leadframes (12) electrically connecting to a circuit board (22) of the electronic control unit (24). The solenoid attachment also includes a plurality of solenoid assemblies (26). Each solenoid assembly (26) includes coil windings (48) and a bobbin (46) contained within a can (52). A retention ring (58), including retention snaps (60), is associated with each solenoid assembly (26) for removably retaining each solenoid assembly (26) in the coil pack housing (10). Each solenoid assembly (26) is further mounted to an elastomeric gasket (56) that both seals about an adjustment gap (53), open to the electronic circuit board (22), and biases the solenoid assembly (26) against its corresponding valve (40). A sealing mechanism (66, 98) is provided with each valve assembly (26) for sealing around an associated valve stem (42).

Abstract: A solenoid apparatus compises an encasement defining a longitudinal axis. The reluctance of the encasement is variable by movement of a potion of the encasement relative to the longitudinal axis.

Abstract: Disclosed is a solenoid valve device having a bobbin assembly 3 including an outer yoke 105 as a magnetic circuit, a solenoid coil 20 positioned within the outer yoke 105, and a connector pin 107 for supplying the electric current to the solenoid coil 20. The bobbin assembly 3, which is molded of at least two layers of resins, has an inner resin section 120 for integrally setting at least the outer yoke 105 and the solenoid coil 20 together, and an outer resin section 125 to enclose the inner resin section 120, forming the outer surface of the bobbin assembly 3. This inner resin section 120 is formed of a resin having a higher coefficient of thermal expansion than the outer resin section 125, while the outer resin section 125 is formed of a resin having a higher dimensional stability than the inner resin section 120.

Abstract: An improved electromagnetic coil assembly for use with an electromagnetic door locking mechanism is disclosed which electromagnetic coil assembly incorporates an improved housing construction allowing the electromagnetic coil assembly to be easily and conveniently installed in its operating position on the frame of the door utilizing the electromagnetic locking mechanism. The electromagnet core itself is made of a plurality of thin, flat electromagnet core laminations which are placed in a stacked array in a U-shaped channel member, with thin welds between the tops of the legs of the "U" and the side edges of the stacked electromagnet core laminations being used to maintain the configuration of the array.

Abstract: The present solenoid stator assembly mounts on a seat forming part of a fuel injector, secured to it by mounting bolts. A rigid metal outer housing has a base shaped to fit upon the mounting seat of the fuel injector and defines an interior chamber. An E-shaped stator core is located centrally within the interior chamber and an insulated plastic inner housing extends between the stator core and the outer housing to fixedly secure the core within the interior chamber. The outer housing reinforces the insulated plastic inner housing against the bulging forces imposed by high fuel pressure and protects it against damage from external blows.

Abstract: A solenoid for a solenoid actuator or solenoid valve is encapsulated within a unitary homogenous plastic body which is molded directly about the solenoid coil and the adjacent portion of the solenoid leads so as to seal the coil and leads against the ambient environment and includes a first body portion enclosing and sealing the coil, and an integral second body portion in the form of an externally threaded stem circumferentially surrounding and sealing the adjacent portion of the leads. The externally threaded stem may be used to couple the solenoid to an electrical cable through which the solenoid is energized or to mount the solenoid on a support, such as a barrier wall between a hostile environment to which the sealed solenoid may be safely exposed, and an environment to which the unencapsulated portions of the solenoid leads may be safely exposed.

Abstract: An electromagnetic valve has a housing, a coil having a coil body and arranged in the housing, a pole element, a flux conducting element, a magnet armature cooperating with the coil body through the pole element and the flux conducting element. The flux conducting element is bracket shaped and arranged for position-accurate fixing and mounting of the coil, the coil body, and the pole element in the housing.

Abstract: A shielding device having an embossement affixed at one end, and also having a mounting fixture affixed to the enclosure at or near center and having another mounting fixture at the remaining end of the enclosure and it being relieved of radiused and linear portions at each end.

Abstract: An electromagnetic valve assembly having a valve unit with a valve seat and a coil arrangement. An armature is slidably disposed in the bore of the coil arrangement. A yoke unit surrounding the coil arrangement is in two parts having cooperating longitudinally extending edges forming two axially extending air gaps on diametrically opposite sides of the yoke unit. End flange portions of the two parts of the yoke unit are cut to form articulated tabs which facilitate the forming of the flange end portions.

Abstract: A solenoid winding and housing for use with an armature actuated fuel poppet valve and the process of applying interior and external annular plastic shields on and in the housing to seal against moisture and fuel and to provide joint and weld protection. A prong housing for the solenoid winding ends is molded along with the exterior molded shields. Noise insulation as well as protection of parts is provided with the molded shields.

Abstract: A lower cost valve results from the use of a single machined part for a valve housing. The housing is made of a non-magnetic material which can be less expensive and eliminates the requirement for screens or filters in automotive applications. A threadable connection connects a tube stop to the valve housing eliminating the requirement of braising in manufacturing. Finally, a one-piece plunger and pilot valve with a high guiding length minimizes tilting of the pilot. The one-piece housing allows for one common bore for guiding the plunger with the pilot and the poppet. The two ideal concentric surfaces make the poppet outer diameter concentric to the pilot hole.

Abstract: Method of assembling a DC solenoid comprising: a coil; a thermistor connected in series to the coil and having a positive temperature coefficient; a pressure-resistant case for housing the thermistor; and a synthetic resin material for sealing the pressure-resistant case and the coil integrally.

Abstract: An electromagnet insert for a data coupler comprises a dielectric member defining positions for at least one electromagnet with mating faces of the electromagnet exposed in one direction along a common planar surface. The member includes a pair of wire-receiving arcuate channels coursing from one side to an opposite side of the member defining pathways on each side of a central leg of the electromagnet. The arcuate channels are shaped to match the optimum-shaped loop of a twisted pair cable of a data bus.

Abstract: A solenoid having a bobbin with a rectangular core hole in which is mounted an armature having a rectangular cross section, and a pole piece having a rectangular cross section. The bobbin has a magnet wire coil wound around a bobbin tubular body which is rectangular in cross section. The bobbin has an upper flange and a lower flange that encloses the ends of the coil. A tubular can is seated around the bobbin. A top flux plate is seated on the upper can surface and a bottom flux plate is seated under the lower can surface. The flux plates are secured to the bobbin flanges. A sealing, electrical insulating heat dissipating material is disposed inside of the tubular can which seals the coil and insulates the coil from the flux plates, tubular can and solenoid mounting screws.

Abstract: An electromagnetic switch for a starter comprises a plunger made of elastic material such as rubber. The thickness of the flange portion is minimized and using a conventional core plate is deviated. The axial height of the rim of the front portion of the case into which is inserted the flange is decreased to produce the case by cold forging.

Abstract: A solenoid stator assembly for electronically actuated fuel injectors is disclosed as having an E-shaped stator core including a top portion and three parallel pole pieces extending orthogonally therefrom. The outer pole pieces each have an outermost side, and each of the three pole pieces has a distal end, a face being formed across the distal end. Each of the outer pole pieces has an attachment slot formed across its outermost side proximate its distal end. A coil of electric wire is disposed around an insulating spool disposed on the central pole piece, and leads from the coil are connected to terminals. A flange on one end of the spool exerts outward forces on the outer pole pieces, prestressing them to resist further flexing caused by outwardly directed forces applied by errant fuel under pressure. An insulating cover is molded around the solenoid stator assembly, enveloping it except for portions of the terminals and the faces of the pole pieces, the cover being bonded to at least the stator core.

Abstract: This invention is directed to a connection between a magnet valve and a housing block. The housing block has a receiving bore, which as the bore depth increases changes the bore into an undercut. A valve body portion has a shape adapted to the undercut, leaving open a continuous encompassing gap of constant width with respect to the undercut. A housing jacket that fits over the coil of the magnet valve is press-fitted into the gap. The jacket is longitudinally slit to form tongues whose ends undergo deformation in the undercut. The form-fitting connection is usable for instance in the hydraulic unit of anti-lock vehicle brake systems.

Abstract: In an electromagnet of a type including a coil and a ferromagnetic circuit which are arranged in a casing of plastic material or metal, the coil and the ferromagnetic circuit are embedded in an inner casting compound for purposes of fixation and electrical insulation, with a permanently elastic outer casting compound being arranged over the inner casting compound.

Abstract: A solenoid apparatus comprising a solenoid case (27) having an open end and a substantially closed end, a plunger (30) electromagnetically movably mounted in the solenoid case, and a substantially cup-shaped flexible water-tight boot (40). The cup-shaped boot (40) surrounds an end portion of the plunger (30) projecting from the solenoid case (27) and connected to the open end of the solenoid case, the flexible boot (40) having a bottom wall central portion intimately secured to the end portion of the plunger (30). The flexible boot (40) comprises a vent hole (44) defined by a hollow tube (45) extending through the boot wall in parallel to the plunger and a flexible valve plate (48) formed integral with and inside of the boot wall and biased by the elasticity of the material of the boot (40) into an open position (FIG. 5).

Abstract: The invention is directed to a connection that can be easily made, produced at little expense, and can carry heavy loads. A housing block has a receiving bore with undercut portions, embodied by a groove, that extend over circumferential regions of this bore. A magnet valve has primary flange segments formed onto the valve body, which along their end face which face toward the opening of the receiving bore of the housing block are conically limited in cross section. These flange segments which extend over circumferential regions of the magnet valve body engage the undercut portions, formed in accordance with the cross section of the flange segments, in the manner of a bayonet mount type of connection. The connection is particularly suitable for use in hydraulic vehicle brake systems, where particularly strong forces between the magnet valve and the housing block must be absorbed.

Abstract: In a linear actuator including a casing, an output shaft passing through the casing and being mounted slidably in a direction along the axis thereof, a solenoid coil disposed within the casing in coaxial relation to the output shaft, a magnet disposed in such a manner that the magnetic flux thereof is linked with windings of the coil, the output shaft mechanically connected to one of the magnet and the coil to form a movable part, and a spring adapted to urge the output shaft in one direction along the axis thereof, and a spacer made of high permeability material and interposed between the casing and either the coil or the magnet, whichever is fixed on the casing to form a stationary part.

Abstract: A solenoid switch for a coaxial engine starter comprises within a cylindrical case 31 a solenoid coil 33 wound around a hollow bobbin 34. The case supports stationary contact assemblies 42, 43 each composed of an electrical conductor 44 including a stationary contact element 45 and an electrically insulating member 46 disposed around the conductor so that the stationary contact element is within a cylindrical space 36 of the bobbin. A movable contact 39 is mounted on a plunger 37 which is magnetically actuatable by the solenoid coil for separably engaging with the stationary contact elements. The outer surface 50 of a tubular wall 47 of the bobbin is oval in cross-section so that thicker-wall portions 47a are defined between the inner and the outer surfaces 49, 50.

Abstract: An electric coil arrangement comprising a coil spool which includes at each end a flange, a coil casing and an outer connection device which comprises terminal connectors anchored within the flange and a connection socket including outer connection plugs, the connecting socket being mounted in fixed relationship on the outer surface of the coil casing at the flange for anchoring the pins whereas the socket and the outer connection pins are shaped so that the pins engage the socket when positioning the casing so as to form said connecting plugs.

Abstract: A coaxial type starter device comprises an armature rotary shaft disposed in a dc motor, a rotary output shaft having a pinion at its one end and supported so as to be slidable in the axial direction, a solenoid-type an electromagnetic switch disposed in alignment with the axial line of the rotary output shaft, wherein the electromagnetic switch comprises a cylindrical casing surrounding through bolts extending in the axial direction along the inner circumferential surface of the casing, an exciting coil disposed in the casing and a plunger disposed at the inner part of the casing so as to be slidable in the axial direction. The exciting coil is in the shape of a race track in cross section and has a portion extending near the inner circumferential surface of the casing except for areas where the through bolts extend.

Abstract: A solenoid apparatus comprising a solenoid case having an open end and a closed end, an electromagnetically movable plunger mounted in the solenoid case, and a substantially cup-shaped flexible-water-tight boot surrounding a plunger end portion projecting from the open end of the solenoid case and connected to the open end of the solenoid case, the flexible boot having a bottom wall central portion intimately secured to an end face of the plunger end portion. The flexible water-tight boot is provided with an air-vent hole which is closed when the plunger is outwardly extended from the solenoid case and which is opened when the plunger is retracted into the solenoid case due to the deformation of the flexible boot at its wall portion upon the movement of the plunger.

Abstract: A solenoid valve assembly in which the solenoid and valve are axially fitted together. The solenoid comprises a cylindrical housing having an axial slot running along its entire length to allow the housing to be resiliently circumferentially expanded. The valve body has a cylindrical axial surface over which an axial end portion of the housing is fitted. Just beyond this cylindrical axial surface is a narrow groove. The cylindrical housing of the solenoid is provided with preformed stakes in its end edge which fit into this narrow groove to retain the solenoid end valve together in assembly. The invention is particularly advantageous where there is a limited axial length for the cylindrical housing of the solenoid to fit onto the valve body. The invention provides adequate retention in assembly, a sufficient area for magnetic flux that passes between the solenoid housing and the valve body, and the ability to easily disassemble the solenoid from the valve when such disassembly is desired.