|
Match
|
Document |
Document Title |
|
|
7629727 |
Scalable tubular mechanical energy harvesting device
The present invention generally relates to devices and methods for converting mechanical energy into electrical energy to power electronic devices. Some embodiments include one or more...
|
|
|
7626316 |
Passive self-tuning resonator system
The invention is a system incorporating a self-tuning resonator and method of self-tuning a resonator within a system. In one embodiment, a method of powering a system with energy harvested from a...
|
|
|
7592712 |
Electric generator device actuated by a fluid flow
An electric generator device comprising a panel bearing one or more electric generating machines each including a stator and a rotor concentric and substantially co-planar. The rotor is supported...
|
|
|
7579757 |
Method and micro power generator for generating electrical power from low frequency vibrational energy
A method and a micro power generator for generating electrical power from low frequency, vibrational energy includes a frequency up-conversion process. The generator is preferably an...
|
|
|
7579755 |
Electrical-to-mechanical transducer apparatus and method
A piezoelectric transducer able to convert an electrical signal into a mechanical motion. In various embodiments the transducer is used to form a motor and an actuator. In one embodiment a...
|
|
|
7567013 |
Vibration power generation
Vibration-based electrical power generation is provided. In one aspect, a vibration-based power generator is embodied within a machine dampener and includes an electromotive power generation module...
|
|
|
7564170 |
Piezoswitch
An actuating element for a function carrier ( 4 ) in a motor vehicle having a piezoelectric element ( 1 ), preferably a piezoelectric foil and a decorative surface ( 2 ), mounted above the...
|
|
|
7560856 |
Harvesting energy from flowing fluid
Electrical energy is produced at a remote or close site by converting kinetic energy from fluid flow with membranes that generates electrical energy in response to deformation by the fluid flow...
|
|
|
7560855 |
Ferroelectric energy generator, system, and method
Embodiments of the present invention provide methods and energy generators that generate electrical energy through direct explosive shock wave depolarization of at least one ferroelectric element....
|
|
|
7545076 |
System and method for tracking drive frequency of piezoelectric motor
A system and method for actively tracking a drive frequency of a piezoelectric motor is disclosed. A drive voltage can be applied at a drive frequency to an active piezoelectric element in the...
|
|
|
7541720 |
Energy harvesting apparatus and method
An energy harvesting apparatus and method. In one form the apparatus makes use of a pair of flexible beams that are supported at first ends thereof from a base. Second ends of each of the beams are...
|
|
|
7535156 |
Energy scavenger and method for manufacturing the same
A micro-electromechanical package includes a casing and a microelectronic circuit. At least one portion of the casing includes a piezoelectric material arranged such that, in use, dynamically...
|
|
|
7535155 |
Piezoelectric device and piezoelectric switch provided with the same
There are provided a piezoelectric device, in which piezoelectric element surfaces are prevented from cracking and warping by reducing tensile stress generated within the piezoelectric element by...
|
|
|
7528528 |
Apparatus for autonomous power supply of power-using devices located in the proximity of a road, and process therefor
A device for autonomous power supply of power-using devices set in the proximity of a road, along which vehicles travel, includes one or more electric-current generator elements of a piezoelectric...
|
|
|
7521842 |
Magnetostrictive / piezo remote power generation, battery and method
A power generation device generates power by subjecting a composite of magnetostrictive material and piezo material to a magnetic field. The composite of magnetostrictive material and piezo...
|
|
|
7521841 |
Strain energy shuttle apparatus and method for vibration energy harvesting
An apparatus for use in low frequency vibration energy harvesting (VEH) and with actuators requiring a low deflection force. The apparatus includes a piezo flexure that is loaded with a compressive...
|
|
|
7511452 |
Portable electronic device and capacitive charger providing data transfer and associated methods
The electronic apparatus includes a portable electronic device and a charger for capacitively charging the portable electronic device when the portable electronic device is temporarily placed...
|
|
|
7511404 |
Power generator using piezoelectric material
A power generator includes a first terminal; a second terminal surrounding the first terminal; piezoelectric elements disposed radially around the terminals, one end of each element being connected...
|
|
|
7504764 |
Electric power generating apparatus for movement type equipment and self-generation system having the same
Provided are an electric power generating apparatus for a movement type equipment and a self-generation system having the same. The electric power generating apparatus for a movement type equipment...
|
|
|
7504763 |
Power generator
A telemetry unit ( 100 ) is provided for mounting inside a pneumatic tyre. The unit ( 100 ) includes a piezoelectric power generator for supplying power to the unit ( 100 ). A piezoelectric element...
|
|
|
7485978 |
Compliant walled combustion devices for producing mechanical and electrical energy
Combustion devices described herein comprise a compliant combustion chamber wall or segment. The compliant segment deforms during combustion in the combustion chamber. Some devices may include a...
|
|
|
7479727 |
Apparatus and method for pyroelectric and piezoelectric power generation and thermoelectric heat transfer
A roof system for a building is adapted to harness pyroelectric and piezoelectric effects to generate electric power. A roof system is provided wherein roof tiles, or other covering structure, are...
|
|
|
7471033 |
Energy harvester with adjustable resonant frequency
The present subject matter discloses devices, systems, and methodologies for harvesting power from environmentally induced vibrations. Piezoelectric devices ( 24 ) and structures are disclosed that...
|
|
|
7446459 |
Hybrid piezoelectric energy harvesting transducer system
A hybrid piezoelectric energy harvesting transducer system includes: (a) first and second symmetric, pre-curved piezoelectric elements mounted separately on a frame so that their concave major...
|
|
|
7446451 |
Systems and methods for converting heat to electrical power
An apparatus includes a thermo-photovoltaic (TPV) material that is capable of generating electrical power from low temperature heat radiation. An electric field generator is coupled to apply an...
|
|
|
7443087 |
Polymer actuator
A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when...
|
|
|
7443083 |
Piezoelectric powered vehicles and motors
One or more piezoelectric elements are employed to generate electrical energy from one or both of the mechanical energy of a moving part of a conventional engine or vehicle or the combustion energy...
|
|
|
7443082 |
Piezoelectric polymer composite article and system
The subject invention provides composite articles ( 20, 120 ) and associated systems ( 32, 132 ). A first composite article ( 20 ) includes a piezoelectric layer ( 22 ) having a piezoelectric...
|
|
|
7443075 |
Entrapment detecting system
An entrapment detecting system includes a detection portion provided at an opening/closing apparatus for detecting an acceleration thereof on the basis of an output from a piezoelectric sensor for...
|
|
|
7439630 |
System and methodology for generating electricity using a chemical heat engine and piezoelectric material
A system for generating electrical power supply signals includes at least one heat engine having a chamber that undergoes heating/cooling cycle and corresponding pressure variations. At least one...
|
|
|
7436104 |
Non-linear piezoelectric mechanical-to-electrical generator system and method
A non-linear, piezoelectric mechanical-to-electrical generator especially well adapted for use with a Stirling engine, to thus form an electrical power generation system. In one form the generator...
|
|
|
7436099 |
Electroactive polymer pre-strain
The present invention provides electroactive polymers, transducers and devices that maintain pre-strain in one or more portions of an electroactive polymer. Electroactive polymers described herein...
|
|
|
7429801 |
System and method for generating electric power from a rotating tire's mechanical energy
A tire assembly with integrated power generation features includes one or more piezoelectric devices configured to generate electric charge therein upon being subjected to mechanical strains...
|
|
|
7415874 |
Method and system for generating electrical energy within a vehicle tyre
A tire has a piezoelectric flexing element associated with an energy storage device (e.g., a capacitor). The piezoelectric flexure element is mounted in cantilever fashion in a housing so as to be...
|
|
|
7411338 |
Structural material with piezoelectric material particles
A load-bearing structural member has a continuous structural material with piezoelectric material particles mixed in throughout. The structural material may be any of a variety of suitable...
|
|
|
7411337 |
Electrical energy-generating system and devices and methods related thereto
An electrical energy-generating heat sink system provides a convenient and economical method for continuously recharging an energy storage device in electronic devices.
|
|
|
7397170 |
Piezoelectric mechanism for generating discharge voltage
Malfunctions caused by dusts such as sands and the like in movement portions of a spark-voltage generation mechanism are reduced. The generation mechanism comprises an outer-box assembly in which a...
|
|
|
7397169 |
Energy harvesting using a thermoelectric material
A novel energy harvesting system and method utilizing a thermoelectric having a material exhibiting a large thermally induced strain (TIS) due to a phase transformation and a material exhibiting a...
|
|
|
7394183 |
Kinetic micro-generator: a method of generating electrical current via magnetostriction and the piezoelectric effect
An apparatus constructed from a combination of a magnetic north orienting lodestone, magnetostrictive ferrogel, and piezoelectric crystals can generate electrical current when exposed to kinetic...
|
|
|
7388321 |
Piezoelectric body, electric generator and polymer actuator
A piezoelectric body comprising a powder compact 1 formed from conductive powder comprising a conductive polymer and a dopant, and an ion donor 2, to generate an electromotive force by stress...
|
|
|
7385336 |
Microbiological energy source for driving a consumer
A microbiological energy source for driving an electrical or mechanical consumer is disclosed, wherein at least one filling body having a piezoelectric or similar effect is received in a...
|
|
|
7345407 |
Human powered piezoelectric power generating device
An energy scavenging apparatus comprises a frame which can be human-carried or human-borne; plural cantilevered bimorph piezoelectric members connected to the frame to have an essentially parallel...
|
|
|
7312557 |
Mass-spring unit for generating power by applying a cyclic force to a piezoelectric member due to an acceleration of the mass-spring unit
An apparatus for generating an electrical power upon an acceleration of the apparatus is provided. The apparatus including: a piezoelectric member having at least a portion thereof formed of a...
|
|
|
7304416 |
Maximizing power generation in and distributing force amongst piezoelectric generators
It is an object of the present invention to array and utilize piezoelectric generators. It is also an object of the invention to implement properly configured piezoelectric generators into...
|
|
|
7301454 |
Sensor system
The invention provides apparatus having a sensor system for providing sensor information for a monitoring, control or other operating function of the apparatus. The sensor system comprises: a...
|
|
|
7301254 |
High efficiency radio isotope energy converters using both charge and kinetic energy of emitted particles
An electrical energy generator with improved efficiency has a base on which is mounted an elastically deformable micromechanical element that has a section that is free to be displaced toward the...
|
|
|
7282838 |
Electrical energy generator device with micro-fan array
An electrical energy generator device comprising an array of micro-fans each associated to a respective dynamo-electric generator by means of a respective connecting shaft, further comprises, for...
|
|
|
7258533 |
Method and apparatus for scavenging energy during pump operation
A pump comprises a body for at least partially defining a pumping chamber ( 28 ); a pump member which undergoes displacement when acting upon a fluid in the pumping chamber; and a piezoelectric...
|
|
|
7250708 |
Electric switch, especially a piezo switch, with optical and/or mechanical feedback of the switching operation
The invention relates to an electric switch, especially a piezo switch, with optical and/or mechanical feedback of the switching operation. The switch contains at least one switching element,...
|
|
|
7249805 |
Motion activated power source
An electrical generator or motion sensor including a) a pair of elongated L shaped supports ( 15 ) fixed at one end but free to move at the other b) a coil ( 14 ) secured to the supports remote...
|