Class 310/34 - Solenoid and core

Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter in which the relatively movable elements
No. of patents: 38
Last issue date: 08/14/2007

Number	Title	Issue Date
7202578	Electromagnetic drive device An electromagnetic drive device comprises a drive part (10) arranged to be reciprocated in the stroke direction (H) and possessing a circular or oval cross section, said drive part having a permanent magnet arrangement magnetized athwart the stroke direction ...	04/10/2007
7157815	Brushless electric motor A solenoid-based propulsion system and methodology comprised of at least one multiple wire coil set solenoid that reversibly receives at least a portion of a magnetic object, wherein the wire coil sets of the solenoid are connected to the energizing control system t...	01/02/2007
7150606	Electromagnetic fuel pump An electromagnetic fuel pump, including a pump, an electronic control circuit board assembly (PCB) and electromagnetic coil operatively arranged to operate the pump, and, a housing arranged to house the pump and the PCB/coil assembly, the housing including an integr...	12/19/2006
7105958	Electro-magnetic engine An electro-magnetic engine in which the motive force is electro-magnetism. The electro-magnetic engine comprises a housing structure, cylinder assembly, crankcase assembly, crankshaft assembly, electro-magnetism system and an electrical system. The electro-magnetism...	09/12/2006
7056105	Unit utilizing current to control reciprocation for pushing fluids A unit utilizing current to control reciprocation for pushing fluids, including a chamber, a magnet, a coil connected with a circuit, a first inlet, a first outlet, a second inlet, a second outlet, a first valve and a second valve. The magnet is slidably disposed in...	06/06/2006
6936937	Linear electric generator having an improved magnet and coil structure, and method of manufacture Linear electric generators include stationary windings and armature magnets arranged to reciprocate axially relative to the windings, or stationary magnet structures and movable windings arranged to reciprocate relative to the stationary magnet structures. The armat...	08/30/2005
6933629	Active balance system and vibration balanced machine An active balance system is provided for counterbalancing vibrations of an axially reciprocating machine. The balance system includes a support member, a flexure assembly, a counterbalance mass, and a linear motor or an actuator. The support member is configured for...	08/23/2005
6770990	Reciprocating motor In order to provide a reciprocating motor which is able to ensure and to be compacted since an outer stator or an inner stator are laminated as a ring type, and fabrication processes thereof are simple and fabrication cost can be reduced, there is provided a recipro...	08/03/2004
6717297	Electrical machine An electrical machine with at least a machine unit. This machine unit includes a stator, which includes a plurality of magnetic flux conductors, an electric conductor forming a winding extending in a substantially closed winding path through each magnetic flux condu...	04/06/2004
6700229	Electrical machine An electrical machine with at least a machine unit. The machine unit includes a stator, which includes a plurality of magnetic flux conductors and an electric conductor forming a winding extending in a substantially closed winding path through each magnet...	03/02/2004
6700232	Solenoid valve having a clapper armature with yoke pins at the end, remote from the sealing element A solenoid valve achieves high reliability and small size with fine tolerance. The solenoid valve having a valve housing, an electromagnet composed of a coil, a yoke and a clapper armature having at least a first valve seat, and a sealing element which ca...	03/02/2004
6608408	Linear electromagnetic machine A linear electromagnetic machine for generating a force acting between two members relatively movable along an axis, one of which is capable of producing a magnetic field the direction of at least part of which extends substantially radially of the said a...	08/19/2003
6331746	Actuator The present invention provides, in a single phase-structure actuator, a rotor magnet structure having characteristics wherein detent torque is fully assured, and there is also a large rotation angle range. In a single phase-structure claw pole-type actuat...	12/18/2001
6278204	Method of converting internal combustion engine into electrically driven engine A method of modifying an internal combustion engine to run on electrical energy. A conventional cylinder head cover of the internal combustion engine is removed and a steel plunger is secured to an end face of each one of the associated pistons. The conve...	08/21/2001
6175168	Overmolded stator for fuel metering solenoid and method of manufacturing same An encapsulated stator for use in solenoid-actuated liquid metering device has a bobbin assembly and a plunger guide which are substantially surrounded by a plastic overmold to hold the assembly together and provide a protective housing. Upper and lower e...	01/16/2001
5592036	Engine construction An improved engine construction having a reciprocating piston attached to a rotating crankshaft contains, proximate the piston head, a permanent magnet. A cylinder, confining the piston, has a head with an electromagnet located therein. A timed switching ...	01/07/1997
5457349	Reciprocating electromagnetic engine A electromagnetically driven reciprocating engine. Reciprocating pistons are slidingly mounded in a cylinder and connected to a rotatable crankshaft. Fixed magnets, preferably of the samarium cobalt alloy type, are mounted in the piston to intermittently ...	10/10/1995
5315190	Linear electrodynamic machine and method of using same A linear electrodynamic machine includes mover and stator assemblies. The stator assembly includes an inner stator and an outer stator for defining a closed loop magnetic flux path. A magnet mounted on an outside portion of the stator assembly produces a ...	05/24/1994
5024127	Punching mechanism A punching mechanism includes a permanent magnet and a pole-piece connected to one pole of the permanent magnet and spaced from the other pole by a gap. A movable coil is disposed at least partially within the gap. A punch actuator is connected to the mov...	06/18/1991
4833352	Linear inductive transducer A linear inductive transducer includes a cylindrical former about which is wound a winding. Surrounding the former is a magnetic sleeve having external flange means which is located against an end face of a first casing part. A core member is slidable wit...	05/23/1989
4778353	Hall switch pump An electromagnetic fluid pump having a magnet attached to a reciprocating piston and a hall effect switch detecting the magnetic field generated by the moving magnet. In a first position of the magnet, the magnetic field through the hall effect switch is ...	10/18/1988
4749893	Magnetically actuated engine This invention is an engine with reciprocating piston slidingly mounted within a cylinder and connected to a rotatable shaft. The piston is driven back and forth within the cylinder by a pair of electromagnets to obtain rotary power. A secondary winding a...	06/07/1988
4692673	Electromagnetic reciprocating pump and motor means An electromagnetic reciprocating motor or pump for use for providing mechanical force for actuation of other fluids or components, and includes a cylinder provided with closures at each end, at least a pair of electromagnets operatively associated with th...	09/08/1987
4631455	Method and apparatus for converting a conventional internal combustion engine into a high speed electric motor and generator An electric starter motor and generator is integrated into the structure of an internal combustion engine by making the ferromagnetic pistons of the engine the relatively moving elements in the starter and generator. A coil is solenoidally wound around ea...	12/23/1986
4473763	Solenoid motor A solenoid motor comprising a crankshaft with a plurality of solenoid means positioned adjacent thereto. Each solenoid means comprises a cylindrical core with an electrical coil wound therearound. A piston means is slidably mounted in each of said cores a...	09/25/1984
4413950	Hall switch pump An electromagnetic fluid pump having a magnet attached to a reciprocating piston and a Hall effect switch detecting the magnetic field generated by the moving magnet. In a first position of the magnet, the magnetic field through the hall effect switch is ...	11/08/1983
4368396	Reciprocating electric motor with permanent magnets A reciprocating electric motor is shown having a sliding electromagnet aligned between a pair of spaced permanent magnets, where the facing poles of the permanent magnets are of the same polarity, and electrical circuit means is provided for energizing th...	01/11/1983
4345174	Electromagnetic engine An electromagnetic engine and method capable of producing a high amount of mechanical power at a high efficiency. An electromagnet or piston operates within a cylinder having a stepped bore therein. The cylinder reciprocates while the piston only pivots. ...	08/17/1982
4308475	Solenoid pump adapted for noiseless operation A solenoid-actuated fluid pump having reciprocable armature operable by a magnetic circuit and with structure in the flux path at the upper and lower air gaps to substantially change the reluctance across the air gaps as the armature moves beyond a predet...	12/29/1981
4249115	Magnetic apparatus for producing movement A driven body is moved in opposite directions by alternately magnetizing two sets of paramagnetic bodies, each set being located between a drive magnet longitudinally affixed to the driven body and a stationary magnet toward which the magnetized bodies ar...	02/03/1981
4187440	Electromagnetic engine Intermediate ram operated electromagnetically connects at least two cylinders to operate them reciprocally and drive a vehicle or the like....	02/05/1980
4121139	Magnetic apparatus for producing movement A plurality of aligned magnets are movable with respect to each other and their polarities are changed to cause changing of the distances between adjacent magnets by opening and closing of air gaps therebetween. Driven magnets travel a distance which is g...	10/17/1978
4033500	Electromagnetic stapler and safety trigger therefor An electromagnetic stapler having a staple driving circuit with an actuating switch, and having a levered trigger which is depressed by the user so that the lever actuates the switch, whereinafter actuation, a moving element of staple driving mechanism st...	07/05/1977
4024421	Magnetically operable engine or power plant A magnetically operable engine or power plant embodying a rotary crankshaft having two or more offset cranks which, by means of respective connecting rods pivoted thereto, and also to the sliding cores or armatures of electromagnets, are actuated to apply...	05/17/1977
4019103	Electromagnetic motor and generator An electromagnetic motor and generator is disclosed having a pair of solenoids wound on a cylinder, each of said solenoids comprising three separate but connected windings. A magnetizable piston is positioned for reciprocation in the cylinder and is conne...	04/19/1977
3956646	Lithium niobate piezoelectric substrate for use in an elastic surface wave device A θ-rotated Y-cut X-propagating piezoelectric substrate of crystalline lithium niobate for use in an elastic surface wave device, wherein the angle θ at which the substrate is cut out is chosen to range between 125.6° and 130.1° to suppress spurious w...	05/11/1976
3932792	Sealed pump and drive circuits therefor A completely sealed magnetically driven pump having a piston armature driven by electrical windings. Unique electrical driving circuits are provided for the pump embodying feedback windings magnetically coupled with the driving windings of the pump for co...	01/13/1976

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Class 310/34 - Solenoid and core