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Patent Searching and Data


Matches 801 - 850 out of 10,910

Document Document Title
WO/2009/066930A3
A vibration motor according to embodiments includes: a case defining a through-hole; a shaft supported by the case; a rotor rotatably coupled to the shaft; a stator disposed around the shaft to face the rotor; a brush electrically connec...  
WO/2009/066290A3
An actuation system for generating a physical effect, the system comprising at least one array of translating elements each constrained to travel alternately back and forth along a respective axis, toward first and second extreme positio...  
WO/2009/090744A1
A three stable oscillating electromagnetic actuator (101) comprises a stator (45) which is in a cylindrical shape and on which a plurality of first magnetic poles (45b) are provided in such a manner that the magnetic poles are protruded ...  
WO/2009/082799A2
The present invention discloses a method capable of detecting the occurrence of impact or collision between a cylinder (2) and piston (1) driven by a linear motor of a gas compressor. Said method comprises the steps of: i) obtainment of ...  
WO/2009/083117A2
The invention relates to a drive unit for a hair cutting machine, comprising a driving motor (1) that consists of a substantially U-shaped stator (100) which has a first leg (110), a second leg (120), and at least one additional leg (130...  
WO/2009/081295A2
A magnetic spring arrangement for a resonant motor, comprising: a housing (12), magnets (14, 16) fixed in position at opposing ends (13, 15) of the housing, a magnet (18) positioned within the housing for movement toward and away from th...  
WO/2006/084232A3
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 piston plate. The first field plate is moved t...  
WO/2009/069159A1
The invention is an operating device (1, 100, 200) comprising means (2) suited to move a support (3) with an alternating motion (A) around an axis (4). The means (2) comprise one or more permanent magnets (5) arranged along a section of ...  
WO/2009/066930A2
A vibration motor according to embodiments includes: a case defining a through-hole; a shaft supported by the case; a rotor rotatably coupled to the shaft; a stator disposed around the shaft to face the rotor; a brush electrically connec...  
WO/2009/067457A2
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 electromagnet. A crankshaft is coupled to the su...  
WO/2008/020431A3
A magnetically driven reciprocating power output system including at least one first electromagnet 18 having a direction of elongatio defining an axial direction, having a first end and a second end, and having an elongated opened core 2...  
WO/2009/039593A3
The inventive contact electromagnetic motor comprises a closed body provided with moving electromagnets which are arranged therein, are designed in the form of ring segments, equal in size and in weight, and are positioned in parallel to...  
WO/2007/053244A3
A moving coil actuator that moves in a rapid back-and-forth motion is constructed with a magnet assembly that concentrates the magnetic flux in a region of limited length and with a coiled electric conductor that includes two separated r...  
WO/2006/130507A3
A linear electrodynamic system 134 involving conversions between electrical power and mechanical motion uses unique magnet assemblies 102s that move and unique stator assemblies 114 and stator members shaped 128 and oriented with respect...  
WO/2009/054654A2
The present invention discloses a reciprocating compressor which can linearly reciprocate a piston (6) inside a cylinder (4) as a linear motor (10) is driven, compress a refrigerant by sucking the refrigerant into a compression space (P)...  
WO/2009/054633A2
The present invention relates to a reciprocating compressor in which a piston (6) is linearly reciprocated inside a cylinder (4), for sucking a refrigerant into a compression space, and compressing and discharging the refrigerant, and mo...  
WO/2009/054628A2
A stator (440) for a linear compressor (100) comprises a coil winding, in which a coil winds in a circumference direction and current flows; a bobbin set (442), which is wound with the coil winding and which insulates the coil winding; a...  
WO/2008/141789A3
Disclosed are an oscillating drive for an oscillating conveying device and a method for operating said oscillating drive. In order to make said oscillating drive easy to handle and be able to universally use the same, the driving frequen...  
WO/2009/048852A1
A flexure (100) includes a shaped sheet of material having a middle portion (104) coupled to a'magnet (16), an end portion (102), and a corner portion (106) between the end portion (102) and the middle portion (104), the corner portion (...  
WO/2009/044429A1
An upper recess (15) having an inner diameter larger than an outer diameter of a moving member (20) is formed on a part constituting an opposite part of a fixed yoke (10), so that an upper end (21) of the moving member is located in the ...  
WO/2009/039593A2
The inventive contact electromagnetic motor comprises a closed body provided with moving electromagnets which are arranged therein, are designed in the form of ring segments, equal in size and in weight, and are positioned in parallel to...  
WO/2009/041201A1
Provided is a vibration-type linear actuator (1) in which a reciprocatingly driving magnetic block (6) is formed as a movable element, first and second magnetic blocks (6a, 6b) are provided with first and second drive elements (13a, 13b)...  
WO/2009/003303A3
The invention concerns a novel magnetic actuator mechanism suitable for use on untethered microrobots. It relies on the interaction of magnetic bodies in an external magnetic field. By an oscillating field, the bodies are driven to oscil...  
WO/2006/033820A3
A hair clipper or trimmer (10) having an inner cavity (22) including a controller (30) and a pivot motor (26) operable to control a reciprocating blade at a speed greater than 3,600 blade strokes per minute. The hair clipper (10) or trim...  
WO/2009/033594A1
The invention relates to a thermal imaging camera comprising a thermal imaging sensor and a cover plate that can be displaced between an open and a closed position by means of an electric drive. The invention is characterised in that the...  
WO/2009/014186A1
A vibration generator having a housing, a movable element, a coil, and a vibration transmission member. The movable element is placed in the housing and has a magnet and a movable portion yoke. The vibration transmission member connects ...  
WO/2009/014185A1
A vibration generator having a housing, a movable element, a coil, a vibration transmission member, and a depression. The movable element is placed in the housing and has a magnet and a movable portion yoke. The vibration transmission me...  
WO/2009/014188A1
A vibration generator having a housing, a movable element, a coil, a vibration transmission member, and an elastic body. The movable element is placed in the housing and has a magnet and a movable portion yoke. The vibration transmission...  
WO/2008/066973A3
An electro-magnetic reciprocating engine and method for converting an internal combustion engine to an electro-magnetic reciprocating engine wherein a ferrite magnet (40) is secured to the top of each piston (20) reciprocally disposed in...  
WO/2008/064754A3
The invention relates to an actuator, in particular a linear drive, and installation or machine. A first part of the actuator comprises at least one toroidal winding that can be energized and a second part of the actuator comprises at le...  
WO/2009/001746A1
Provided is a position detecting device for an actuator, which is enabled to raise a servo frequency band by minimizing the distance between a scale and a drive unit thereby to raise a resonance frequency, so that it can improve a distur...  
WO/2008/154358A1
Embodiments of the invention provide for conical magnets for rotors in electrodynamic machines, methods to design the same, and rotor-stator structures for electrodynamic machines. In various embodiments, a rotor-stator structure for ele...  
WO/2008/152236A2
The invention relates to a reciprocating actuator comprising at least one element moving reciprocally relative to a rack, a device for driving the moving element in a driving direction, means of returning the moving element in an opposit...  
WO/2008/152237A1
The invention relates to an electromagnetic actuator with variable reluctance comprising a fixed ferromagnetic armature (3) comprising at least two concentric cylinders of revolution linked by a ring nut, at least one magnetizing winding...  
WO/2007/098277A3
A MEMS actuator 12 includes a coil stack 13 in the form of micro fabricated, electrically conductive first and second superposed layers. A magnet array 15 is superposed in magnetic communication with the coil stack 13, with first and sec...  
WO/2008/141789A2
Disclosed are an oscillating drive for an oscillating conveying device and a method for operating said oscillating drive. In order to make said oscillating drive easy to handle and be able to universally use the same, the driving frequen...  
WO/2008/139250A1
The invention claimed is a combined electrically-controlled actuator, wherein electric power is converted into linear motion of a movable part of the actuator, which comprises at least two coils (1, 3) and at least one armature, wherein ...  
WO/2008/133245A1
Provided is a vibrating device which can resonate a body to be vibrated, with reduced dimensions. The vibrating device (100) is provided with a supporting body (10) which is arranged on a body (50) to be vibrated and includes a first mag...  
WO/2008/129827A1
Provided is a lens driving device having an improved thrust force for moving a movable lens body. The lens driving device is provided with a movable lens body (3) which holds a lens, and a driving mechanism for moving the movable lens bo...  
WO/2008/127823A1
Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the pa...  
WO/2008/126103A2
There is an apparatus with a plate which is exposed to waves. This plate is capable of making to and fro movements, which are actually initiated by the waves and also by the gravity and the gradient of basins or by being spring loaded or...  
WO/2008/019054A3
An electromotive device, operable in either a generator or motor mode, comprises a coil assembly 20 and magnets 24a/b, 40, wherein a mechanical force and a magnetic force combine to move a driver magnet 40 relative to an electrical coil ...  
WO/2008/091275A3
A magnetic structure configured to generate a compressed magnetic field. The magnetic structure may be advantageously employed in electro-mechanical and electro-magnetic devices.  
WO/2008/115579A1
A method for reducing Audible noise in a motor drive, wherein the motor drive includes a motor controller driving a PWM space vector modulator providing gating pulses to an inverter providing phase currents to the phase windings of the m...  
WO/2008/110704A1
The invention relates to a method for balancing the movement of magnetised mobile masses (10, 20) in a bi-linear electrodynamic motor that comprises two mobile masses (0, 20) moving in opposite directions parallel to the axis (x-x) of th...  
WO/2008/105393A1
It is possible to provide a magnetic actuator assuring a degree of freedom of design and having a high energy efficiency, a magnetic actuator operation method, and an encapsulated endoscope using the same. The magnetic actuator includes ...  
WO/2008/102482A1
A terminal structure of an in-vehicle motor is provided with a motor main body including a motor terminal (28) connected to a coil section, and a circuit main body (5) assembled to the motor main body by holding a circuit board (18) whic...  
WO/2008/058030A3
The motor includes an E-core stator assembly with a source of alternating current and an armature portion mounted to be responsive to the stator to oscillate back and forth through an arc of a selected angle. A mounting member is fixed t...  
WO/2008/093804A1
An actuator having excellent impact resistance and realizing a small-sized and thin imaging device. The actuator has an optical member (16) for forming an image of an object as an imaging target, a holder (15) for holding the optical mem...  
WO/2008/091275A2
A magnetic structure configured to generate a compressed magnetic field. The magnetic structure may be advantageously employed in electro-mechanical and electro-magnetic devices.  

Matches 801 - 850 out of 10,910