Matches 1 - 50 out of 174 1 2 3 4 >


Match Document Document Title
8922070 Magnetic motor  
Embodiments of the present invention may include a method of producing mechanical power by moving a coil coupled to a shaft partially into a magnetic cylinder having a magnetic end cap containing...
8866350 Electro-magnetic engine with pivoting piston head  
An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material. The...
8766496 Linear electric motor  
A linear electric motors including a housing, a first armature movable on a first essentially linear path with respect to the housing, and a second armature movable on a second essentially linear...
8760020 Electromagnetic oscillator with electrical and mechanical output  
An oscillator typically includes several rotatable drive magnets and pivotable oscillating arms having respective follower magnets so that the drive magnets drive movement of the follower magnets...
8742633 Rotary drive with linear actuators having two degrees of linear movements  
A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a...
8725438 Linear actuator  
A linear actuator comprises a reversible electric motor (2) which, via a transmission, is capable of driving a spindle (4) having a spindle nut (5) secured against rotation and comprises a power...
8714946 Linear compressor with an electro-magnetic spring  
A linear compressor is provided. The linear compressor includes an electro-magnetic spring and a casing that defines a chamber. A piston is received within the chamber of the casing. The...
8624450 Linear vibration device  
A linear vibration device is disclosed. The linear vibration device includes a housing, a plurality of elastic members received in the housing, each of the elastic member has a fastening portion...
8519576 Driving device  
A driving device includes an alternating magnetic field producing member, a piston member and a crankshaft member. The alternating magnetic field producing member is for producing an alternating...
8519575 Linear electric machine with linear-to-rotary converter  
A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a...
8497606 Electromagnetic generator with free moving inner magnetic core  
An energy harvesting device (EHD) and method including a hollow outer envelope (201) having an inner wall (200) with a first predetermined magnetic field distributed on an inner surface of the...
8492936 Harvesting rotational energy using linear-based energy harvesters  
A rotational energy harvesting apparatus includes a rotor of magnets and a ring of linear-based kinetic energy harvesters. The rotor of magnets is fixed to a rotational source and is caused to...
8448540 Assembling mechanism of a self-locking linear actuator  
An assembling mechanism of a self-locking linear actuator includes a gearbox, a one-piece rear retainer seat and a casing. The gearbox is composed of two half pieces, which are mated with each...
8405256 Wireless resonant magnetic acutation for untethered microrobots  
A wireless resonant micro-actuator for untethered micro-robots. The wireless resonant micro-actuator includes at least two magnetic bodies that are resiliently connected to one another by a...
8405255 Electric power generating apparatus  
Disclosed is an electric power generating apparatus. The electric power generating apparatus includes a casing that is made of a nonmagnetic material and has an outer surface and an interior...
8368256 Voice coil motor  
A voice coil motor (VCM) is disclosed. The VCM includes a base formed with an opening; a movable body including a bobbin arranged on the base and formed with a hollow hole and a coil arranged...
8368269 Rotary motor  
The present invention relates to rotary motors in which the rotational motion of the motor is provided by the attractive (or repulsive) forces between a pair of cooperating magnets in response to...
8362660 Electric generator  
An electric generator device includes a magnetic stator assembly, opposed coils, and a rotary-to-linear converter (e.g., cam). The coils are configured to reciprocate relative to the magnetic...
8350429 Spring assisted magnetic motor  
A permanent magnet motor having three chambers aligned end to end where each chamber has a bar magnet. The north pole of the bar magnet in the center chamber faces the north pole of the bar magnet...
8337173 Electric oscillating drive  
An electric oscillating drive with at least one oscillating system (1), which is driven in an oscillating manner by an actuator, especially a piezo actuator (2) or an oscillating armature magnet...
8324762 Magnetically propelled engine with magnetic field reduction  
An engine powering device with magnetic components that aid in the operation of piston propelled engines by attaching the device individually to the pistons, causing the pistons to perform the up...
8227945 Stepper motor including a lead screw assembly  
An electric stepper motor having a linear actuator arrangement consisting of an extended lead screw terminating at one end via a conical section and a threaded rod. The threaded rod at the end of...
8203238 Linear motor for linear compressor  
The present invention relates to a linear motor for a linear compressor reciprocating a moving member linearly inside a stationary member to compress refrigerant, and more particularly, to a...
8080906 Generator for converting mechanical vibrational energy into electrical energy  
An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a substantially annular high-permeability core, the...
8069794 Portable computer desk with power generator  
A portable desk with a generator for providing electrical power to a computer or other electrical device that is collapsibly foldable to a compact form wherein successive sections comprise a back...
8058755 Reciprocating dual-action piston magnetic force motor and method  
A motor system and method thereof are provided, wherein the system includes an energy storage device, a piston assembly including a magnet, at least two end assemblies in operable communication...
8047349 Electromotive actuator for deflecting a motor vehicle part  
An electromotive actuator for deflecting a motor vehicle part includes a rotatable component and a non-rotatable component. The rotatable component can be driven by an electric motor in such a way...
7990020 Ultrasonic motor and electronic device using the same  
The present invention provides an ultrasonic motor including a wire having a coiled stator at one end thereof, a vibration generating device disposed at another end of the wire, a moving member...
7973435 Electrical linear drive  
An electrical linear drive device comprises an outer housing consisting of a housing tube and two housing covers disposed at the ends thereof The outer housing defines in the interior thereof a...
7969055 Rotary motor  
The present invention relates to rotary motors in which the rotational motion of the motor is provided by the attractive (or repulsive) forces between a pair of cooperating magnets in response to...
7960876 Magnet rotor, electromagnetic drive device and light quantity adjustment device using the magnet rotor  
A magnet rotor includes a drive arm with a rotary shaft, and an anisotropic permanent magnet having an axis of magnetization. The drive arm is composed of a light transmitting resin. The magnet...
7919876 Small-sized power package  
A small-sized power package includes a tubular case, a magnet tube, a coil, a power-generating magnet, a shaft, a movable box, and a positioning magnet. The power-generating magnet is attracted by...
7911098 Vibration motor  
A linear vibrator is disclosed. The linear vibrator includes a base, a coil unit, which is coupled to the base, a magnet, which is coupled to the coil unit such that the magnet can move...
7909669 Differential displacement device under simultaneous and repetitive electromagnetic repulsive forces  
A differential displacement electromagnetic device providing motion over a support frame. Permanent electromagnets are fixedly mounted to a carriage and angularly oriented relative to the support...
7856714 Method of retrofitting an engine  
A method of retrofitting for electrical power generation an internal combustion engine (including a plurality of pistons connected to a common crankshaft) includes applying to at least one and...
7855478 Machine for generating reciprocal motion and related method  
A machine for generating reciprocal motion includes a first magnet rotatable about a first magnet axis, a second magnet spaced apart from the first magnet and rotatable about a second magnet axis,...
7798789 Reducing cylinder wear in a drug pump  
The present invention relates to a method and related apparatus for rotating a piston of a drug pump during the pumping stroke to reduce drug pump wear. The actuator may move a piston that pumps...
7768161 Method and device for moving an element to be driven using an actuating element formed by etching in a semiconductor material  
A device comprising an element to be driven and a driving element designed to be urged into engagement with the element to be driven and an actuating element adapted to generate a reciprocating...
7687944 Actuation system for personal care appliance using linear actuators  
The personal care appliance drive system includes a pair of linear actuators capable of operating both in an opposing phase mode or in a parallel (in-phase) mode. The system includes a motion...
7682045 Linear actuator of the screw-nut type  
A linear actuator (1) comprising a housing (6), a motor (2) comprising a stator with coils (4), a screw-nut system, and a rotor (5) axially and radially supported on the motor side by a bearing...
7659647 Linear actuator  
An actuator. In one embodiment, the actuator comprises a reversible electric motor having a stator having a housing, a rotor housed in the housing of the stator, and a shaft having a forward...
7589445 Linear actuator comprising a brushless polyphase electric motor  
A linear actuator includes a brushless polyphase synchronous electric motor having a stator and a rotor. The rotor acts on a control element via a driver which can transform the rotation movement...
7582995 Stepping motor, lens device using the same, and imaging device using the same  
A stepping motor comprises first to third coil portions and first to second rotors. The first rotor has a cylindrical shape and a circumferential surface thereof is magnetically-polarized so as to...
7564151 Linear actuator having mechanism for stopping linear movement of output shaft without touching rotor  
A stopper member is included in a linear actuator comprising a stator assembly, a rotor assembly, an output shaft, and a stopper pin which is fixedly disposed at a frontward portion of the output...
7557473 Electromagnetic reciprocating engine  
An electromagnetic engine comprises an electromagnet having opposing magnetic poles at ends thereof. A non-magnetic rigid support is mounted for oscillatory stroke movement relative to the...
7471020 Linear actuator  
A linear actuator, preferably for sickbeds and beds for domestic use, comprises a reversible electric motor (2) which, via a reduction gear, drives a spindle (4) with a nut (5) secured against...
7446440 Permanent magnet flux module reciprocating engine and method  
A permanent magnet reciprocating engine and method are provided wherein a first field plate having magnetic fields of two polarities interact with the magnetic field of a magnet located on a...
7443060 Acoustic compressor with two resonators  
A resonator of an acoustic compressor is provided at each side of an actuator so that the two resonators are arranged side by side. Two pistons are provided at the inner ends of the resonators and...
7440689 Electromagnetically actuated adjusting apparatus for lens  
An electromagnetically actuated adjusting apparatus for lens is disclosed. The adjusting apparatus comprises a body capable of furnishing a lens inside, at least one permanent magnet, a first...
7436090 Direct drive hybrid rotary motor  
A rotary motor shaft extends through a rheological brake unit through which variable braking resistance to rotation of the motor shaft is applied while it undergoes rotation in response to torque...

Matches 1 - 50 out of 174 1 2 3 4 >