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7327046 |
Kinetic energy system and apparatus for charging portable batteries
A linear electric generator is mounted to an article of human clothing that is subject to repetitive fore-and-aft motion when worn by a human wearer during locomotion. The linear axis of the...
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7288860 |
Magnetic transducer with ferrofluid end bearings
An electrical generator includes one or more magnets that move relative to one or more conductors to generate an electrical signal in each conductor. Each magnet has ferrofluid bearings in the...
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7148583 |
Electrical power generators
The present invention provides methods to convert motion into electrical energy. These electrical power generators are made compatible with standard batteries so that they can support operations of...
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6921983 |
Electric generation device
A electric generation device and a method for using the same is provided. The electric generation device has a unique configuration that allows the device to generate electrical energy from the...
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6822343 |
Generating electric power in response to activity of a biological system
A device for generating electricity includes a first portion including a first wall defining a first fluid passage and a second portion including a second wall defining a second fluid passage. A...
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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...
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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...
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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...
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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...
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6744145 |
Footwear with a power generator
A footwear includes an outsole defining a reference plane, a stand projecting from the outsole and having an inclined upper surface that is inclined relative to the reference plane, a power...
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6291901 |
Electrical power generating tire system
A method and device for generating electrical energy from the rotation of a wheel of a vehicle is disclosed. The device is disposed within a pneumatic tire and includes a coil housing having an...
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6260645 |
Electric vehicle with a movable battery tray mounted between frame rails
A land vehicle having wholly independent multiple suspension units with integral propulsion systems. The independent suspension unit includes a self-contained return spring, dampener, motor-wheel...
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6181110 |
High-yield linear generator set, control method and traction unit therewith
The operation of a linear electric generator which includes a slide reciprocated by a pair of axially aligned internal combustion pistons, is improved by employing a control device that responds to...
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6054775 |
Acoustically resonant internal combustion engine-generator (A.R.E.G.)
An electrical power generating apparatus is developed as an internal combustion acoustically resonant engine. It has left and right acoustic formations (39), which are formed into the apparatus...
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5977752 |
Control signal generator
A control signal generator for generating a plurality of control signals has a pivotally mounted control lever with an actuating member (24) . Diametrically opposite sensors (28,30) have stems...
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5631507 |
Electric power generator
An electric power generator has a housing having an inner cavity having a center and an inner circumferential surface spaced at a varying radial extent from the center. A magnetic flux generator...
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5598090 |
Inductive joystick apparatus
In one aspect of the present invention, a joystick is disclosed. The joystick includes a control shaft and a pivotal mount for the control shaft. A plurality of centering springs bias the control...
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5554922 |
Apparatus for the conversion of pressure fluctuations prevailing in fluid systems into electrical energy
An apparatus for the conversion of pressure fluctuations prevailing in fluid systems into electrical energy includes in a casing (1) a first chamber (4) which may be connected to a fluid system and...
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5298842 |
Thermal protection for locomotive main traction alternators
In a thermal overload protection system three system variables are sensed and provide the inputs required for a calculation conducted in real time at one second intervals. The system variables...
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4654576 |
Control signal generator
At a control signal generator for generating a pair of control signals by means of a control stick (10) deflectable in two directions a disc (22) is attached to the control stick (10) about its...
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4642547 |
Adaptive regulation system for a linear alternator driven by a free-piston stirling engine
A load regulator for a linear alternator driven by a free piston Stirling engine. A substantially constant output voltage is maintained across the useful load by shunting a portion of the armature...
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4599551 |
Thermoacoustic magnetohydrodynamic electrical generator
A thermoacoustic magnetohydrodynamic electrical generator includes an intrinsically irreversible thermoacoustic heat engine coupled to a magnetohydrodynamic electrical generator. The heat engine...
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4539497 |
Electrical generator with ring housing mountable on a wheel assembly
An electrical generator utilizing a pendulum in the generator drive mechanism to provide a non-rotating reference whereby rotation of the wheel drives elements of the generator into rotation with...
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4536668 |
Vehicle mountable electrical generating system
A vehicle-mountable electrical power generating mechanism and signal transmitter, combined to constitute a self-powered generating system mountable such as on a wheel to monitor and provide an...
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4504761 |
Vehicular mounted piezoelectric generator
A piezoelectric array is mounted on one or more tires of a motor vehicle. As the vehicle drives down the road, the tire is flexed during each revolution to distort the piezoelectric elements and...
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4500827 |
Linear reciprocating electrical generator
There is disclosed herein an electrical generator which includes a linear reciprocating armature mechanically coupled with a source of relative motion. The armature comprises a plurality of magnet...
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4486667 |
Drive system for an electric generator
A machine for generating electrical power having a mechanical oscillator arranged to drive the armature of a linear generator. The oscillator, in turn, is driven by an independent prime mover.
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4433279 |
Free piston heat engine stability control system
A stability control system for a free piston Stirling engine/alternator power unit whose engine power is an exponential function on the engine piston stroke and whose alternator power demand is...
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4405872 |
Method and apparatus for generating electrical energy from the rotation of a wheel
Both a method and an apparatus for generating electrical energy from the rotation of a wheel are disclosed. The apparatus is disposed within a pneumatic tire of a non-magnetic wheel and includes a...
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4249096 |
Electrical dynamo
An electrical generator is formed with at least one nonconductive cylinder mounted for rotation about an axis and containing four pairs of permanent magnets, longitudinally spaced within the...
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4239974 |
Electrical power generating system
An electrical power generating system is disclosed which utilizes as a source of energy the otherwise wasted energy expended by motor vehicles moving along a roadway. The system includes a...
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4227142 |
Pulsed excitation alternator
Alternator having a pulsed excitation. Means are provided to supply short current pulses into the pick-up coils at a suitable time so to magnetize the circuit. As a consequence the shape of the...
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4220907 |
Electromagnetic power generator
An electromagnetic power generator for installation in the interior of a vehicular tire, working on the principle of deriving energy from the fact that a portion of the tire becomes flattened once...
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4032829 |
Road shock energy converter for charging vehicle batteries
Energy, from road bed jolts, expended against the wheels and axle or axle housing of either a self-propelled or a trailer vehicle so as to cause the axle to rise and fall is transmitted to a...
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3968387 |
Linear magnetic generator
An axially movable magnetic member is disposed in coaxial relationship to pulse core windings. Responsive to alternating current or pulsed direct current applied to the pulse core windings to the...
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3861488 |
COLLISION SPEED SENSOR
A collision speed sensor device is attached to a motor vehicle in the rear of and adjacent to its front bumper. It comprises a stationary electromagnetic coil and a magnet responsive to the...
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3778697 |
SOLENOID ACTUATORS AND GENERATORS AND METHOD OF USING SAME
Solenoid actuators capable of high speed operation and high efficiencies are disclosed. The solenoids, in the most efficient embodiment, are coupled to the driven member (i.e., load) through a...
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3678339 |
SIGNAL TRANSMITTING SYSTEM FOR EXTRA HIGH VOLTAGE TRANSMISSION LINE
An apparatus for providing power for transmitting relaying signals from an extra high voltage transmission line to ground potential which avoids the use of a high cost current transformer and which...
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3568040 |
MAGNETOMOTIVE ELECTRIC CURRENT GENERATOR UTILIZING VIBRATING MAGNETIZABLE METAL STRIPS
The generator comprises a stationary core housed in a hollow, generally cylindrical, permanent magnet. A plurality of elongate, axially extending, angularly spaced, magnetizable metal shims are...
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3539840 |
ELECTRICAL POWER SOURCE
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3465161 |
RECIPROCATING INTERNAL COMBUSTION ELECTRIC GENERATOR
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3315147 |
Electromechanical current sensing apparatus for use with high voltage electric power transmission conductors
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3277367 |
D.c. measuring circuit including electro-magnetic means for converting d.c. input toamplified a.c. signal
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3252018 |
Superconducting alternator
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3161793 |
Electrical machines involving the reciprocation of moving parts
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3140662 |
Generators for the electrical ignition of a projectile
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3105153 |
Free-piston generator of electric current
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2992342 |
Reciprocating type electric generator
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2990507 |
Variable safe separation timer
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2977526 |
Constant voltage a. c. generator
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