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8890376 Energy harvesting methods and devices, and applications thereof  
An apparatus harvests electrical power from mechanical energy. The apparatus includes first and second load-bearing structures, a plurality of magnetostrictive elements, and an electrical circuit...
8878418 Thermoelectric generator  
A thermoelectric generator including a membrane maintained by lateral ends and capable of taking a first shape when its temperature reaches a first threshold and a second shape when its temperature...
8878056 Solar energy conversion device and method  
A device and method for producing electricity by harnessing sunlight to produce an amplified voltage signal, the device including: (a) a sealed chamber, defined by a transparent housing; (b) an...
8829325 System and method for using pre-equilibrium ballistic charge carrier refraction  
A method and system for using a method of pre-equilibrium ballistic charge carrier refraction comprises fabricating one or more solid-state electric generators. The solid-state electric generators...
8820349 Control valve for adjusting a process medium flow of a technical process installation  
In a control valve for adjusting a process medium flow of a technical process installation, a housing is provided with an interior to be traversed by a process medium. A valve seat is disposed...
8773003 Thermoelectric generator  
A thermoelectric generator including a sheet of a deformable material containing closed cavities, each of which contains a drop of a vaporizable liquid, and a mechanism for transforming into...
8760177 Methods, systems, and devices for calculating temperature change of an electrocaloric effect material  
Examples are generally described that include monitoring an electrocaloric effect device. A varying voltage may be applied across an electrocaloric effect material. A capacitance change of the...
8754569 Thermo-magnetic power generation system  
A thermo-magnetic power generation system includes a thermo-magnetic power generation device, a first circulating device, and a second circulating device. The first circulating device and the...
8736138 Carbon nanotube MEMS assembly  
A carbon nanotube MEMS assembly comprises a plurality of carbon nanotubes oriented into a patterned frame, the patterned frame defining at least two components of a MEMS device. An interstitial...
8698372 Pyroelectric power from turbulent airflow  
A power-generating device is disclosed that includes a pyroelectric material having first and second surfaces on opposite sides of the pyroelectric material. The device also includes a first...
8692437 Vortex flux generator  
A method and apparatus for generating electricity by electromagnetic induction, using a magnetic field modulated by the formation, dissipation, and movement of vortices produced by a vortex...
8692438 Power generation device for providing electric power by utilizing magnetocaloric effect  
A power generation device is disclosed, which includes a plurality of thermomagnetic generator and a flow controller. The thermomagnetic generators can acquire first fluids respectively. The flow...
8671697 Pumping system resistant to cavitation  
Techniques herein describe a pumping system, adapted to reduce or eliminate fluid cavitation. Optionally, the pumping system is adapted for application to a passive fluid recovery system. In one...
8674588 Electric power generation device, electric power generation method, and electric power generation device manufacturing method  
An electric power generation device equipped with an apparatus which vibrates and generates heat includes a thermoelectric power generation module and a piezoelectric power generation module which...
8658881 Resonant thermoelectric generator  
A thermoelectric generator comprises an electrical circuit having two or more thermocouple junctions (600, 615), a switch (620), a controller (640), and a series resonant circuit consisting of a...
8646280 Heat-power conversion magnetism devices  
The invention discloses a heat-power conversion magnetism device. The heat-power conversion magnetism device includes a magneto caloric effect material so that the magnetic field thereof can be...
8633635 Microelectromechanical resonators with thermally-actuated frequency tuning beams  
A microelectromechanical resonator includes a resonator body anchored to a substrate by at least a pair of tethers that suspend the resonator body opposite an underlying opening in the substrate. A...
8581469 Device for converting thermal energy into electrical energy  
A current source and method of producing the current source are provided. The current source includes a metal source, a buffer layer, a filter and a collector. An electrical connection is provided...
8552617 Energy harvesting device using pyroelectric material  
Provided is an energy harvesting device using pyroelectric materials. The energy harvesting device includes a first heat source; a second heat source having a temperature higher than a temperature...
8487508 Method and system for monitoring environmental conditions while ignoring irrelevant ranges  
A sensing system, sensing method, and method of producing a sensing system capable of providing a cumulative measurement capability, such as in the form of a RFID tag capable of measuring...
8434303 Driving device made of shape-memory alloy  
A storing section (70) stores a second initial contact instruction value, which is predefined as an instruction value for positioning a movable portion (5) to a second contact position where the...
8427030 Thermomagnetic generator  
A thermomagnetic generator which converts thermal energy to electrical energy without intermediate conversion to mechanical work and which works at temperatures in the range from −20° C. to 20...
8378207 System and method for using pre-equilibrium ballistic charge carrier refraction  
A method and system for using a method of pre-equilibrium ballistic charge carrier refraction comprises fabricating one or more solid-state electric generators. The solid-state electric generators...
8350444 Method and apparatus for conversion of heat to electrical energy using polarizable materials and an internally generated poling field  
A method for converting heat to electricity by exploiting changes in spontaneous polarization that occur in electrically polarizable materials is described. The method uses an internally generated...
8344585 Method and apparatus for conversion of heat to electrical energy using a new thermodynamic cycle  
A method for converting heat to electricity is described. The method can be used to efficiently and economically generate electricity from thermal energy directly through ferroelectric or other...
8339073 Shape memory alloy driver  
A shape memory alloy driver comprises a displacement detection portion, a drive control portion, and a compensation calculation portion. The displacement detection portion detects displacement of a...
8330323 Thermal-mechanical signal processing  
A source signal is converted into a time-variant temperature field with transduction into mechanical motion. In one embodiment, the conversion of a source signal into the time-variant temperature...
8324783 Non-decaying electric power generation from pyroelectric materials  
A method, an apparatus and/or a system of non-decaying electric power generation from pyroelectric materials is disclosed. In one aspect, a method includes generating a substantially continuous...
8310127 Connected energy converter, generator provided therewith and method for the manufacture thereof  
A high-output energy converter of an output-improving thermionic generator, thermally connected to other generators without moving parts that utilize the residual energy from the thermionic...
8304957 Thermomagnetic generator device and energy converting method  
A generator device for converting thermal energy to electric energy. A magnetic circuit includes at least a portion made of a magnetic material. A temperature-varying device varies the temperature...
8286424 Thermoelectric generator cooling system and method of control  
An apparatus is provided that includes a thermoelectric generator and an exhaust gas system operatively connected to the thermoelectric generator to heat a portion of the thermoelectric generator...
8269097 Thin film thermoelectric element including stress releasing elements  
A thermoelectric element has a first substrate at a high temperature side, a second substrate at a low temperature side facing the first substrate, a thermoelectric material placed on the second...
8258672 Composite structure gap-diode thermopower generator or heat pump  
A thermionic or thermotunneling generator or heat pump is disclosed, comprising electrodes substantially facing one another and separated by spacers disposed between the electrodes, wherein the...
8242662 Special thermo magnetic motor device  
A special thermo magnetic motor which is an electromagnetic heat engine used for directly converting power between heat and electrical forms using magnetism. It is comprised of a unique combination...
8237324 Bistable electroactive polymers  
A bistable electroactive polymer transducer is provided for electrically actuated deformation of rigid electroactive polymer members. The polymers have glass transition temperatures (Tg) above...
8234951 Bistable aerial platform  
A bistable MEMS platform. The bistable MEMS platform converts a rotational input into an ortho-planar displacement and can maintain either it's up or down position without an input force due to...
8227681 Active material apparatus with activating thermoelectric device thereon and method of fabrication  
An active material assembly is provided having a thermally-activated active material apparatus with an elongated, non-planar shape and a thermoelectric device in thermal contact therewith. The...
8220259 Shape-memory alloy actuator  
An actuator includes a shape memory element formed from a shape memory alloy. The shape memory element is configured such that the actuator is actuated by a change in shape of the shape memory...
8183736 Device and method for converting energy  
A device for transforming thermal energy to electric energy including a magnetic circuit including at least a portion made of a magnetic material, a temperature-varying device for varying the...
8174245 Device and method for converting thermal energy into electrical energy  
A device and method for using a field-responsive material that changes temperature when subjected to a respective field in combination with a thermal to electrical energy converter to accomplish...
8159108 Integrated thermoelectric/ thermionic energy converter  
A device for converting heat into electrical energy that is an integrated combination of thermionic and thermoelectric energy converters in a single device, or “TITE”. The electron output of the...
8159107 Micro rotary machine and methods for using same  
A micro rotary machine may include a micro actuator and a micro shaft coupled to the micro actuator. The micro shaft comprises a horizontal shaft and is operable to be rotated by the micro...
8134276 Methods and systems for positioning micro elements  
A micro device may comprise a substrate, a first micro structure coupled to the substrate, a second micro structure coupled to the substrate, and port configured to receive an input. The first...
8129882 Thermoelectric generator and method of generating electricity  
A generator device for converting thermal energy to electric energy. A magnetic circuit includes at least a portion made of a magnetic material. A temperature-varying device varied the temperature...
8115579 MEMS actuators with stress releasing design  
The micro-electromechanical (MEMS) actuator comprises a hot arm member and a cold arm member. The cold arm member comprises at least two longitudinally spaced-apart flexors. The actuators may also...
8102096 Closely spaced electrodes with a uniform gap  
An improved design for maintaining separation between electrodes in tunneling, resonant tunneling, diode, thermionic, thermo-photovoltaic and other devices is disclosed. At least one electrode 1 is...
8072117 Thermal-mechanical signal processing  
A source signal is converted into a time-variant temperature field with transduction into mechanical motion. In one embodiment, the conversion of a source signal into the time-variant temperature...
8065877 Solar energy converting device and power supply system including the same  
A solar energy converting device includes a frame, a container, a thermal expansion member, a connecting rod, an inductor and magnetic members. The frame defines an opening. The container is...
8053947 Device for converting thermal energy into electrical energy  
A current source and method of producing the current source are provided. The current source includes a metal source, a buffer layer, a filter and a collector. An electrical connection is provided...
8046994 Precision method and apparatus for controlling the shape memory alloy  
The invention discloses a method and apparatus to control the shaping change of Shape-Memory-Alloy (SMA). The piece-wised current drain control device is designed to independently deliver current...