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8130086 Linear vibration generator  
A linear vibration generator is disclosed. The linear vibration generator may include: a stator having a coil, which induces a magnetic field when an electric current is applied; an oscillator...
8109740 Mounting structure of linear compressor  
The present invention discloses a mounting structure of a linear compressor, comprising: a shell which is a hermetic space, a connection terminal for supplying power being fixed to one side of the...
8097988 Horizontal linear vibrator  
The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime...
8097989 Reciprocating linear actuator  
A reciprocating linear actuator in which a slide and a counter slide are arranged for linear movement within a hollow guide. The actuator has driving force generating means for generating a driving...
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...
8049375 Electromagnetic transducer apparatus  
An electromagnetic transducer apparatus (10) includes a core (30, 31) providing a pair of yokes (34, 35) between which there is an air gap (38, 39), at least one coil (32) disposed about the core...
7999421 Horizontal linear vibrator  
The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime...
7959438 Movable pin ultrasonic transducer  
An ultrasonic tool is disclosed with a handpiece (300, 500, 806) containing coils (304A-304D; 504A-504D; 804A-804B) that produce an electromagnetic field that vibrates a magnetic rod (102, 702A,...
7935743 Electrically driven mechanochemical actuators that can act as artificial muscle  
This invention describes an electrically driven mechanochemical actuator comprising an electroactive material capable of converting electrical to mechanical energy in communication with a first...
7905692 Processing machine with reciprocation device  
An angle adjusting mechanism or a linear axis of a processing machine is provided with a reciprocation device. A tool and a tool cutting mechanism are mounted on a moving part of the reciprocation...
7901167 Machining apparatus with mechanism for retaining axial position of guide member  
When a slide member mounted with a tool reciprocates on a guide member reach one end and the other end positions of the guide member, permanent magnets provided on the guide member and the...
7859144 Low frequency electromagnetic motor to create or cancel a low frequency vibration  
Electromagnetic motor with a piston that moves linearly with respect to the stator in either direction. Embodiments include a piston internal or external the stator. The piston includes one or more...
7859142 Woodworking machine with linear direct drive  
The aim of the invention is to provide a robust, simple woodworking machine. To achieve this, the invention provides a machine comprising at least one linear direct drive, which contains a primary...
RE41626 Multiple magnet transducer with differential magnetic strengths  
A dynamic magnet system, particularly useful for electrical generation, employs multiple magnets in polar opposition to each other for individual movement relative to a support structure. The...
7786633 Electric motor with a retractable shaft  
An electric motor (100) for controlling the lateral displacement of a shaft (114) connected to a rotor (104) of the electric motor (100) is provided. The electric motor (100) includes one or more...
7755225 Recoilless voice coil actuator and method  
A recoilless voice coil actuator and method having flexures connected to both the magnet and the voice coil allowing independent movement of both the magnet and the voice coil in the direction of...
7619894 Heat dissipation device  
A heat dissipation device, electrically connected to an intermittent power source, is used for dissipating heat generated by a heat-generating element on a circuit board. The heat dissipation...
7579793 System and method for efficient wide dynamic range coil drive  
Methods and systems are provided for driving one or more force coils. A system for driving force coils is provided including a PWM drive coupled to a first coil and a linear drive coupled to a...
7576456 Linear actuator  
In a linear actuator (1), on the inside of a rectangular tubular movable element (3), a linear guide (14) that supports the movable element (3) so as to be linearly movable is positioned at a...
7557472 Valve drive for a gas exchange valve  
Disclosed is a valved drive for a gas exchange valve (4) in a power engine, with a magnetic rotor (12) which, along with a rotor section positioned at a distance from the gas exchange valve (4),...
7538456 Moving magnet type linear actuator  
In a moving magnet type linear actuator (10), a stator (30) having an armature (32) including a magnetic iron core (33) fixed on a stator base (31) and an armature winding (34) wound around the...
7525203 Back-up electric power generator for electronic components attached to automatic firearms  
A firearm improvement taking the form of a mechanical dynamo installed in an automatic firearm. Several components either replace certain parts of the firearm or are added to the firearm. In...
7495358 Vibratory linear actuator and electric toothbrush using the same  
A vibratory linear actuator according to one embodiment of the present invention is comprised of a stator having a through hole therein and a winding wire therearound, a movable member having a...
7476990 Linear actuator  
An object of the present invention is to provide a linear actuator in which reliability is improved, and performance is also easily improved. The present invention provides a linear actuator...
7474020 Relaying piston multiuse valve-less electromagnetically controlled energy conversion devices  
Energy conversion devices employing gases and/or liquids as medium, constructed with a hollow, preferably toroidal cylinder having two ports and two, or more, identical ferromagnetic pistons...
7474018 Reciprocation type linear driving actuator and power toothbrush using the same  
In a reciprocal linear driving actuator used as a drive source of a power toothbrush, two permanent magnets are formed substantially disc shape or substantially tubular shape, and fitted to and...
7459808 Lithographic apparatus and motor  
A motor includes a magnet assembly to generate a magnetic field. The field includes along the first direction parts which are alternately orientated in the first and the second direction. The parts...
7420300 Voice coil motor  
A voice coil motor of the movable coil type comprising a stator including a permanent magnet. The stator produces a magnetic field. A movable element made of an armature coil is provided. The...
7405500 Bonding apparatus  
A wire bonding apparatus 10 including an X table 18 guided to move in the X direction on an XY table base 14 and a driving motor 20 mounted on a motor base 16 with the movable element 22 of the...
7328474 Electric toothbrush with linear oscillator  
An electric toothbrush includes a drive part, a driver, a brush part and a vibration-absorber. The drive part includes a drive shaft provided to be lineally movable and a brush part detachably...
7259483 Linear driving mechanism of electronic components mounting apparatus  
In a Y linear driving mechanism 6 for moving an X linear driving mechanism 8 in a direction Y by a linear motor comprising a stator 16 and a moving element 17, there is provided a drive...
7245049 Vibrator and method for manufacturing the same  
A vibrator of the present invention comprises a coreless coil (2), a driver (4) including a magnet (4a) inserted in the coreless coil (2), a yoke (4b) for pinching the coreless coil (2) and facing...
7239052 Magnetic actuators  
A magnetic actuator. A yoke includes a first opening and a second opening, a frame, and a path. A first magnet is disposed in the first opening in the vicinity of the frame. A second magnet is...
7218018 Actuator  
An actuator includes a casing, a stationary member having a coil member and mounted in the casing and a movable member having a moving element and supported by the casing. The moving element has a...
7211909 Monolithic integrated circuit arrangement  
A monolithic integrated circuit arrangement containing a substrate, a functional unit formed in and/or on the substrate, and an energy supply unit, which is formed in and/or on the substrate and is...
7205686 Linear actuator  
A linear actuator has improved output performance and can be assembled with high precision. The linear actuator includes: a yoke part where yoke components, where a hollow is formed between an...
7205685 Solenoid plunger system with an adjustable magnetic flux  
A solenoid plunger system for an electropneumatic pressure transducer, comprising at least partly—in a casing which focuses magnetic field lines M, in particular in the form of an iron casing—a sol...
7199493 Alignment stage apparatus  
An alignment stage apparatus includes a base structure and a movable stage which can move along a surface of the base structure so as not to be in contact with the base structure. The apparatus...
7199494 Electric linear actuator  
The invention proposes an electric linear actuator with a take-off element (12) that is adjustably supported on a main housing (5) and is connected to and driven by an electric motor (14) via a...
7148590 Polyphase sawyer motor forcer  
An improved hybrid variable reluctance linear forcer design of the type known as a Sawyer motor forcer is provided with a 6-phase magnetic design. The 6-phase magnetic design has reduced force...
7067945 Apparatus for converting side-to-side driving motion to rotational motion with a spring assembly and system for tuning the spring assembly  
The apparatus for converting side-to-side to rotational motion for a workpiece includes a spring assembly with a movable base mounting element which is driven in a slightly arcuate reciprocal...
7038335 Vertical vibrator  
A vertical vibrator is disclosed. The vibrator comprises a casing, a magnetic field part including a yoke and a magnet fixed to an inner surface of the yoke, a spring member fixed at one end to the...
7001154 Apparatus for controlling a linear compressor and preventing the collision of a piston with a valve in the compressor  
Disclosed herein is an apparatus and method for controlling a linear compressor. The linear compressor control apparatus has a collision detection unit, a control unit, and a compressor driving...
7001157 Well pumping unit driven by linear motor  
The present invention relates to a well pumping unit driven by a linear motor. The well pumping unit includes a slideway support, a linear motor having a motor complex primary and a motor complex...
6969929 Coil system, a method for the production thereof and an electrodynamic direct linear drive having said coil system  
A coil system whose coil arrangement comprises a plurality of coaxially sequentially placed individual coil, whose wire ends are fixed on a board strip extending along the coil arrangement with a...
6958553 Linear oscillator  
A linear oscillator includes a reciprocating moving part, a case to contain the moving part, and an amplitude control spindle moveably supported in the case. The moving part and the amplitude...
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...
6915881 Linear drive  
A linear drive comprising a housing and a rail, which is mounted on the housing such that they can move relatively. Drive elements on the housing and on the rail to produce relative movement...
6900558 Reciprocating motor  
A reciprocating motor in which a plurality of eddy current preventing holes (26) are formed in the directions of circumference and shaft of a magnet frame (10) in a magnet mounting portion (12) of...
6897573 Electrical voltage generating device  
A manually operated voltage generating device provides an electrical voltage for operating an electronic unit such as a remote control handheld unit. The device has a permanent magnet mounted in a...
Matches 1 - 50 out of 195 1 2 3 4 >