|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
7554224 |
Electromechanical generator for converting mechanical vibrational energy into electrical energy
An electromechanical generator comprising an electromechanical device for converting mechanical vibrational energy into electrical energy, the electromechanical device comprising a housing, an...
|
|
|
7538463 |
Vibrator
A vibrator includes a voice coil and a vibrating member supported by first and second suspensions so as to be vibratory in the axial direction of the coil. Each of the first and second suspensions...
|
|
|
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...
|
|
|
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...
|
|
|
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 ( 4 a ) inserted in the coreless coil ( 2 ), a yoke ( 4 b ) for pinching the coreless coil ( 2...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7084534 |
Alignment stage apparatus
An alignment stage apparatus including 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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6861772 |
Multiple magnet system with different magnet properties
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...
|
|
|
6841900 |
Reciprocating device and linear suspension
In a reciprocating device having a moving element, a stator and a flexing suspension for coupling the moving element and stator and for maintaining the moving element on axis, the flexing...
|
|
|
6833639 |
Electric actuator
An electric actuator for providing an angular reciprocating drive, comprising a casing, a stator housed in the casing, and an armature extending co-axially through the stator. The stator has an...
|
|
|
6833637 |
Reciprocating motor
A reciprocating motor comprises a mover ( 400 ) including an opening unit formed as a ring with an opening on ( 110 ) its one side; a first stepped unit ( 120 ) in which the inner interval of the...
|
|
|
6812598 |
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...
|
|
|
6812583 |
Electrical generator with ferrofluid bearings
An electrical generator includes a magnet constrained to move relative to a conductor by a support structure, with a ferrofluid bearing providing an ultra low friction interface between the magnet...
|
|
|
6803686 |
Electromechanical actuator
An electromechanical actuator has at least one electromagnet, an armature and a resetting device. A connector is provided, with at least one contact element, which is electro-conductively connected...
|
|
|
6798090 |
Electrical power generation by coupled magnets
An electrical generator has a plurality of spaced magnets that move together relative to at least one coil to generate an electrical signal in the coils. Equal numbers of magnets and coils, with...
|
|
|
6791205 |
Reciprocating generator wave power buoy
A Reciprocating Generator Wave Power Buoy consists of a reciprocating generator rigidly attached to the underside of an ocean buoy and creates electric power from the surface ocean swells. The...
|
|
|
6768230 |
Multiple magnet transducer
A dynamic magnet system, particularly useful for electrical generation, employs multiple magnets in polar opposition to each other and having a critical angle of displacement from a horizontal...
|
|
|
6744155 |
Momentum-decoupled direct drive
A motor for driving a load, such as a tool or a workpiece, can be installed in a machine, for example an eccentric lathe. The motor has an output-drive section associated with the useful load, a...
|
|
|
6710476 |
Electromagnetic reciprocal drive mechanism
The invention provides an electromagnetic reciprocal drive mechanism having a movable part that is simple to manufacture, dimensionally stable and inexpensive. The device has; a permanent magnet...
|
|
|
6707174 |
Magnetic flux regulator to reduce performance change caused by amp-turn variation
A valve assembly has a valve body defining a chamber with a controlled outlet. A stop and seat are spaced from each other and are supported within the chamber in axial alignment with the controlled...
|