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8138618 |
Oscillating power generator with a ratchet mechanism
An oscillating power generator includes a base, an energy transforming device, and an oscillating transmission device. The energy transforming device is disposed on the base for generating electric...
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7994672 |
Limited angle external rotor motor actuator system
The actuator system has a external rotor motor having: (i) an internal armature configured as a stator having a set of coils wrapped around a set of arms, and (ii) an external permanent magnet...
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7989995 |
Cap and seal for windshield wiper drive for vehicles
A windshield wiper drive (1) is provided for the output shaft (4) with a protective cap (15) across a longitudinal region. The protective cap (15) is supported between the terminal supports thereof...
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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 has...
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7960877 |
Electric reciprocating motion device with spring motor
An electric reciprocating motion device includes a motor having a rotary shaft for outputting a reciprocating rotational power and a motion head coupling with the rotary shaft and being driven to...
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7911328 |
Capture and remote reproduction of haptic events in synchronous association with the video and audio capture and reproduction of those events
Method and apparatus for reproducing and applying reproductions of haptic vibrations that occur at a live activity to a remote video and audio viewer. In synchronism with sensing visible and...
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7898122 |
Quick-action bistable polarized electromagnetic actuator
The invention relates to an electromagnetic actuator comprised of a mobile assembly, a fixed ferromagnetic stator assembly, at least one electric field coil, and of at least one permanent magnet,...
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7854557 |
Vane driving device
A vane driving device includes: two boards each having an opening and defining a blade chamber therebetween; a blade changing an area of the opening and housed in the blade chamber; a drive source...
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7793634 |
Electro-magnetic internal combustion engine
An electro-magnetic internal combustion engine having means to operate in an electro-magnetic configuration, in an internal combustion configuration, and in an electro-magnetic internal combustion...
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7719145 |
Enhanced internal electrical generators
Enhanced internal electrical generators are provided which include pole pieces that form air gaps flanked with conductive wire coils. Rotatable armatures supporting permanent magnets are arranged...
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7692559 |
Self-powered switch initiation system
A self-powered switching system using electromechanical generators generates power for activation of a latching relay. The electromechanical generators comprise electroactive elements or magnetic...
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7675203 |
Electric drive unit for generating an oscillating displacement
An electric drive unit for generating an oscillating movement, having a stator, a rotor, a torsion element and a tuning element. The tuning element acts upon the torsion element and serves to...
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7544003 |
Driving assembly of camera shutter and diaphragm
A driving assembly of camera shutter and diaphragm comprises a first stator, a second stator, a coil set and a rotor. The coil set is installed between the first stator and second stator. A first...
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7485992 |
Armature type electrical generators for self powered cell phones
Self powered cell phones are provided with an armature which is supported to freely oscillate in swinging opposite motions and which includes a wire coil configured to intersect the magnetic flux...
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7482718 |
Enhanced internal electrical generator powered by hand-crank
Enhanced internal electrical generators are provided which include pole pieces that form air gaps flanked with conductive wire coils. Rotatable armatures supporting permanent magnets are arranged...
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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...
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7288863 |
Electric appliances having electric motors for driving oscillatory elements
an electric appliance includes an electric motor having a first oscillatory element, a second oscillatory element and an electric coil configured to generate a magnetic field to drive the first and...
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7239053 |
Vibrator motor
A vibrator motor has a stationary piece and a moving piece hinged at one end. The moving piece does not generate substantial internal spring forces under the influence of an electromagnetic field,...
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7026900 |
Magnetic motion device
A magnetic motion device is disclosed, wherein a permanent magnet slides back and forth along a pivoting rail due to the interaction between the slide's magnetic field, the magnetic fields produced...
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6981807 |
Electromagnetic drive device and light quantity adjustment device using the same
An electromagnetic drive device includes a coil frame with a hollow tubular shape, a magnet rotor disposed in the coil frame to be rotatable through a rotational shaft, a transmission arm attached...
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6935476 |
Clutch having a multiple pole electromagnetic actuator for transfer cases and the like
A clutch having a multiple pole electromagnetic actuator is useful in motor vehicle powertrain components such as transaxles, transfer cases, transmissions, differentials and the like. The...
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6902012 |
Percussion electrical hand-held tool
An electrical hand held tool for producing at least a percussion movement of a working tool includes an electrical drive, a first, oscillating subassembly including a percussion mechanism (2) and a...
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6803840 |
Pattern-aligned carbon nanotube growth and tunable resonator apparatus
A tunable nanomechanical oscillator device and system is provided. The nanomechanical oscillator device comprising at least one nanoresonator, such as a suspended nanotube, designed such that...
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6713920 |
Linear actuator using two rotors
A linear actuator capable of inducing a linear motion as well as a rotational motion using only two rotors is provided. The linear actuator includes: first and second rotors connected to respective...
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6518685 |
Multi-position actuator or sector motor
A multi-position actuator with three electromagnetic poles where the airgap of selected pole(s) is made different from the remaining pole(s). The multi-position actuator comprises a housing, an...
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6441517 |
Drive mechanism for oscillating electric products of personal use, particularly dry shavers
The invention is directed to a drive mechanism for driving a working unit, movable in a rotary oscillating manner, of domestic appliances, particularly dry shavers. The drive mechanism of the...
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6369469 |
Poly phase linear alternator
A poly phase linear alternator comprising a housing. An input power gear train is mounted in one end of the housing. The input power gear train is rotatably driven by an outside power source. A...
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6265794 |
Method for tuning the resonant frequency of crossed-flexure pivot galvanometers
A stator is adjustably attached to the frame of a crossed-flexure pivot galvanometer. The stator acts on a permanent-magnetic rotor, having radially facing poles, causing the rotor to torsionally...
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6166465 |
Vibration generating mechanism using repulsive forces of permanent magnets
A vibration generating mechanism includes at least first and second permanent magnets spaced from each other with the same magnetic poles opposed to each other. The first permanent magnet is...
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6027444 |
Vibrator
The invention concerns a vibrator comprising an engagement face (11) which is adapted to engage a part of a body, and which is driven by an electric motor (18). The vibrator moreover comprises a...
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5955801 |
Microfabricated microengine with constant rotation rate
A microengine uses two synchronized linear actuators as a power source and converts oscillatory motion from the actuators into constant rotational motion via direct linkage connection to an output...
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5844516 |
Method and apparatus for wireless remote control
The invention relates to a method and apparatus for wireless remote control. A transmitter (1) with no batteries receives its operating power from a generator (3) which produces electrical energy...
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5804933 |
Method for operating an adjusting apparatus and means for adjusting a positional device
A method and apparatus for operating a positioning device for an adjustable device. The positioning device is mechanically actuated by a bearing connected to a pivotable armature that interacts...
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5780948 |
Vibratory structure, method for controlling natural frequency thereof and sensor and actuator adopting the vibratory structure
A vibratory structure and a method for controlling the natural frequency thereof are provided. The vibratory structure has an elastic member one end portion of which is fixed to a first support...
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5751078 |
Reactionless, momentum compensated payload positioner
A reactionless momentum compensated payload positioner adapted to be mounted on a supporting body for providing momentum compensation of an oscillatory and scanning payload and for suppressing...
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5723918 |
Bi-directional actuator using a random direction AC motor
An actuator uses an AC motor assembly having a random chance of rotating in either direction upon stalling or first receiving power, to provide torque for operating its output member. The output...
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5717266 |
High power oscillatory drive
An oscillatory drive incorporating the invention includes a driven rotor that is mounted on a shaft and includes plural driven permanent magnets disposed thereon. A spring arrangement is coupled to...
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5679988 |
Rocking motor
A rocking motor comprises a coil wound around a hollow coil bobbin. A rotor is rotatably mounted at a position close to an end portion of the coil bobbin. The rotor has a center shaft and a...
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5679991 |
Eccentric-and-oscillator engagement structure
The invention is directed to a device for converting a circular motion into a reciprocating motion, which provides for improved guiding of a drive pin arranged on an eccentric within a slide slot...
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5554899 |
Electric Actuator
An electric actuator which is used for e.g. an arm of an industrial robot includes a composite shaft having a ball screw groove and a ball spline groove, a hollow motor through which the composite...
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5545943 |
Variable air-gap type driving device
The variable air-gap type driving detector of the present invention for obtaining low speed and high torque outputs required to drive, for example, joints of industrial robots is provided with an...
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5543678 |
Flat motors
A flat motor. The flat motor comprises a substrate, a cantilevered, resilient lever arm mounted, by a passive end, on the substrate; and a shape-memory transducer acting on the lever arm wherein...
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5455485 |
Bicycle lighting system
A lighting system, in particular for bicycles, which operates in accordance with the principle of a wind generator. The lighting system (1) is mounted at the front of the bicycle above the front...
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5402022 |
Electromagnetic rotary actuator
A rotary actuator (1) with magnetically acting restoring element (18), particularly for controlling a throttle cross-section, is intended to be simplified in its structure and the torque variation...
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5392881 |
Device for dampening vibratory motion
There is presented a device for dampening vibratory motion. The device coises a ferromagnetic housing, a non-magnetic, electrically conductive wall upstanding in the housing, and a plunger...
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5307001 |
Battery charging method and apparatus
A battery charger employing the gassing point of a lead-acid battery to determine the end of charge time and voltage. A charging level sensor takes two voltage samples of a predetermined time...
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4998031 |
Stepping motor with one-way clutch
A high torque AC stepping motor is provided. The motor includes a stator with six radially spaced coils. Spaced radially extending arms on an armature core are positioned adjacent the coils. The...
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4992685 |
Reciprocating motor-compressor with W-shaped core
A motor-compressor unit comprising a vibration motor (1) having a single-part magnetizable stator (2) in the form of a W, arcuate air gaps (9, 10) being formed between the peripheral surface (6) of...
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4880999 |
Solenoid
A solenoid has a coil with an outer core and an inner core. The cores provide the magnetic circuit around the coil. The inner core includes a rotor which has radially extending armatures. The...
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4810915 |
Motor-compressor
A motor-compressor comprising a vibration motor (1) having a rotationally vibrating drive shaft (4) and a compressor (2) having at least one piston (10) which is linearly reciprocated by the motor...
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