Class / Patent application number | Description | Number of patent applications / Date published |
310301000 | Nuclear reaction | 24 |
20090039731 | Apparatus for Generating Energy and Method Therefor - The present invention provides an apparatus for generating energy, which includes: an operating fluid supplied for generating ionization and nuclear fusion reactions; an output pump designed such that the operating fluid is pressurized to a predetermined pressure; an operating fluid supply unit to supply and circulate the operating fluid through the output pump; a dielectric body provided with an inlet and an outlet, to conduct the operating fluid from the operating fluid supply unit, and a plurality of channels with different diameters to connect the inlet and outlet; at least one metallic insert provided with at least one through-hole passing the operating fluid by being inserted into the channels of the dielectric body to ionize the operating fluid; a dielectric insert provided with at least one through-hole passing the operating fluid by being inserted into the channels of the dielectric body to provide an environment promoting nuclear fusion reactions; and at least one pair of metal members to control the polarity of the ionized operating fluid or to collect electricity by being inserted into holes which intercept the channels of the dielectric body in a direction vertical to its axis. | 02-12-2009 |
20110057539 | GENERATOR DEVICE AND 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 varied the temperature in the portion made of the magnetic material alternately above and below a phase transition temperature of the magnetic material to thereby vary the reluctance of the magnetic circuit. A coil is arranged around the magnetic circuit, in which electric energy is induced in response to a varying magnetic flux in the magnetic circuit. A magnetic flux generator creates magnetic flux in the magnetic circuit. The temperature-varying device alternately passes hot and cold fluid by, or through holes in, the portion made of the magnetic material of the magnetic circuit in a single direction to thereby vary the temperature in the portion made of the magnetic material alternately above and below the phase transition temperature of the magnetic material. | 03-10-2011 |
20140035435 | System For Generation Of Useful Electrical Power From Isotopic Emissions - Particles emitted by radio-isotopic by-products of nuclear fission are used as a power source at the cathode of a magnetron system. Particles include high energy electrons having a large associated EMF. In the system a radial electrical vector E, between the cathode and anode, interacts with an axial magnetic vector B vector to produce an E×B force that rotates the particles about the system axis. These emissions are within a set range of velocities. The angular velocity and geometry of a rotating field, known as a space charge wheel (SCW), may be modulated by an external RF inputs to cavities of an anode block and the use of concentric biasing grids between the cathode and anode block. The SCW induces LC values into cavities of the anode, exciting them and producing electrons resonance which may be used to generate power. | 02-06-2014 |
20140159541 | HIGH ENERGY-DENSITY RADIOISOTOPE MICRO POWER SOURCES - A solid-state high energy-density micro radioisotope power source device including a dielectric and radiation shielding body having an internal cavity, a first electrode disposed a first end of the cavity, and a second electrode disposed at an opposing second end of the cavity and spaced apart from the first electrode such that a micro chamber is provided therebetween. The device further includes a solid-state composite voltaic semiconductor disposed within the micro chamber fabricated by combining at least one semiconductor material with at least one radioisotope material to provide a pre-voltaic semiconductor composition; depositing the pre-voltaic semiconductor composition into the micro chamber; heating the body to liquefy the pre-voltaic semiconductor composition within the micro chamber such that the semiconductor and radioisotope materials are uniformly mixed; and cooling the body and liquid state composite mixture such that liquid state composite mixture solidifies to provide the solid-state composite voltaic semiconductor. | 06-12-2014 |
310303000 | P-N semiconductor | 14 |
20090026879 | Micro-Scale Power Source - A micro-scale power source and method includes a semiconductor structure having an n-type semiconductor region, a p-type semiconductor region and a p-n junction. A radioisotope provides energy to the p-n junction resulting in electron-hole pairs being formed in the n-type semiconductor region and p-type semiconductor region, which causes electrical current to pass through p-n junction and produce electrical power. | 01-29-2009 |
20110298332 | ELECTRIC GENERATOR EXCITED BY IONIZING RADIATIONS - The invention relates to an electric generator sensitive to ionizing radiation produced by the reverse mounting of a diode in parallel between a reverse polarization stack and a pulse converter or only with a pulse converter. A generator is thus provided that can be used inside a spacecraft or in the atmosphere by using cosmic radiation, or in an environment containing ionizing radiation such as in the medical or nuclear fields, and which is preferably directly mounted on a printed circuit board receiving a remote sensor. | 12-08-2011 |
20120133244 | Nuclear Batteries - We introduce a new technology for Manufactureable, High Power Density, High Volume Utilization Nuclear Batteries. Betavoltaic batteries are an excellent choice for battery applications which require long life, high power density, or the ability to operate in harsh environments. In order to optimize the performance of betavoltaic batteries for these applications or any other application, it is desirable to maximize the efficiency of beta particle energy conversion into power, while at the same time increasing the power density of an overall device. Various devices and methods to solve the current industry problems and limitations are presented here. | 05-31-2012 |
20120161575 | STACK-TYPE BETA BATTERY GENERATING CURRENT FROM BETA SOURCE AND METHOD OF MANUFACTURING THE SAME - Provided are a stack-type beta battery generating a current from a beta source and a method of manufacturing the same. The method includes forming an oxide mask in a predetermined pattern on a surface of a substrate, forming a plurality of recesses by etching a region without the oxide mask from the substrate, removing the oxide mask and forming a PN-junction layer on the substrate, forming a first electrode on the PN-junction layer and forming a second electrode on another surface of the substrate, and forming a unit module by stacking a radioisotope layer on the PN-junction layer, the radioisotope layer emitting a beta ray. The beta battery can improve efficiency per unit area than a single layered beta battery by the number of stacked PN-junctions, and the process is simpler than a pore-forming process using DRIE, and manufacturing costs and time can be saved. | 06-28-2012 |
20130033149 | Low Volumetric Density Betavoltaic Power Device - One example is a betavoltaic cell that has been fabricated using a semiconductor that includes, but is not limited to, Silicon Carbide (SiC), Silicon (Si), Gallium Arsenide (GaAs), Indium Gallium Arsenide (InGaAs), Gallium Nitide (GaN), Gallium Phosphide (GaP), or Diamond, and uses through wafer via holes or other fabrication techniques to form both positive (+ve) and negative (−ve) contacts on the front and back sides of the cell. In another example, several of these cells with +ve and −ve contacts on the front and back sides of the cell are arranged vertically and/or horizontally to form customized parallel and/or series combinations that produce a close packed, energy dense betavoltaic composite unit, with increased power outputs relative to a single cell. In another example, tritium or a metal tritide is used as the radioisotope source for the cells. | 02-07-2013 |
20130154438 | Power-Scalable Betavoltaic Battery - A betavoltaic battery having layers of fissile radioisotopes | 06-20-2013 |
20130264907 | BETAVOLTAIC BATTERY WITH DIAMOND MODERATOR AND RELATED SYSTEM AND METHOD - An apparatus includes a beta particle source configured to provide beta particles. The apparatus also includes a diamond moderator configured to convert at least some of the beta particles into lower-energy electrons. The apparatus further includes a PN junction configured to receive the electrons and to provide electrical power to a load. The diamond moderator is located between the beta particle source and the PN junction. The apparatus could also include an electron amplifier configured to bias the diamond moderator. For example, the electron amplifier could be configured to receive some of the beta particles and to generate additional electrons that bias the diamond moderator. Also, the diamond moderator can be configured to receive the beta particles having energies that are spread out over a wider range including higher energies, and the diamond moderator can be configured to provide the electrons concentrated in a narrower range at lower energies. | 10-10-2013 |
20130278109 | Betavoltaic power sources for mobile device applications - A betavoltaic power source for mobile devices and mobile applications includes a stacked configuration of isotope layers and energy conversion layers. The isotope layers have a half-life of between about 0.5 years and about 5 years and generate radiation with energy in the range from about 15 keV to about 200 keV. The betavoltaic power source is configured to provide sufficient power to operate the mobile device over its useful lifetime. | 10-24-2013 |
20140021826 | Betavoltaic power sources for transportation applications - A betavoltaic power source for transportation devices and applications is disclosed, wherein the device having a stacked configuration of isotope layers and energy conversion layers. The isotope layers have a half-life of between about 0.5 years and about 5 years and generate radiation with energy in the range from about 15 keV to about 200 keV. The betavoltaic power source is configured to provide sufficient power to operate the transportation device over its useful lifetime. | 01-23-2014 |
20140021827 | PRIMARY VOLTAIC SOURCES INCLUDING NANOFIBER SCHOTTKY BARRIER ARRAYS AND METHODS OF FORMING SAME - Primary voltaic sources include nanofiber Schottky barrier arrays and a radioactive source including at least one radioactive element configured to emit radioactive particles. The arrays have a semiconductor component and a metallic component joined at a metal-semiconductor junction. The radioactive source is positioned proximate to the arrays such that at least a portion of the radioactive particles impinge on the arrays to produce a flow of electrons across the metal-semiconductor junction. Methods of producing voltaic sources include reacting at least one carbon oxide and a reducing agent in the presence of a substrate comprising a catalyst to form a solid carbon product over the substrate. Material is disposed over at least a portion of the solid carbon product to form a nanofiber Schottky barrier array. A radioactive source is disposed adjacent the nanofiber Schottky barrier array. | 01-23-2014 |
20140319963 | RADIOISOTOPE BATTERY AND MANUFACTURING METHOD THEREOF - This invention relates to a radioisotope battery and a method of manufacturing the same, wherein manufacturing the radioisotope battery and shielding radiation emitted from the radioisotope Ni-63 from the outside are achieved simultaneously. This radioisotope battery includes a semiconductor layer, a seed layer formed on the semiconductor layer, a radioisotope layer formed on the seed layer, and a radiation shielding layer formed on the radioisotope layer and for shielding radiation of the radioisotope layer form the outside. | 10-30-2014 |
20150115768 | Radiation Tolerant Nuclear Electric Cell - An electric cell comprises layers of moderating material | 04-30-2015 |
20150310952 | Tritium Direct Conversion Semiconductor Device for Use With Gallium Arsenide or Germanium Sustrates - A device for producing electricity. In one embodiment the device comprises a germanium substrate doped a first dopant type and a plurality of stacked material layers above the substrate. These stacked material layers further comprise an InGaP base layer doped the first dopant type, an InGaP emitter layer doped the second dopant type, a window layer having a lattice structure matched to the lattice structure of the emitter layer and doped the second dopant type and a beta particle source for generating beta particles. | 10-29-2015 |
20160379729 | RADIOISOTOPE POWER SOURCE EMBEDDED IN ELECTRONIC DEVICES - An electronic device is proposed. The electronic device comprises: at least one electronic component formed in a chip of semiconductor material; at least one radioisotope power source unit comprising a radioactive material. The at least one radioisotope power source unit is embedded in the chip of semiconductor material together with the at least one electronic component. Moreover, the at least one radioisotope power source unit is arranged for providing electric power to said at least one electronic component by absorbing particles emitted by said radioactive material comprised in the least one radioisotope power source unit. | 12-29-2016 |
310305000 | Direct charge particle emission | 6 |
20110266916 | TRITIUM BATTERY - A Tritium battery of parallel and aligned thin plate anodes and cathodes separated by thin dielectric panels and enclosed in a vented case with an external dummy load, an integral internal DC-DC converter providing converted output power to external electrical contacts, and a fuse. Logic switches power to the dummy load if there is no load on the external electrical contacts. The cathodes may be coated with an electrically conductive coating, such as graphene or a compound of carbon nanotubes and metallic micro wire. The cathodes may be superconductors. The anode includes a conductive thin plate coated with a chemically stable Tritium compound. The thin plate may be etched to increase surface area. The cases are scalable in configuration and may have ten electrodes or more on the sides as well as ends, and so encased Tritium batteries can be physically stacked side-to-side to create electrical connections for parallel power. | 11-03-2011 |
20110278984 | BETA ENERGY EXTRACTOR - The present disclosure is directed to an energy extraction device that employs a radioactive isotope, such as | 11-17-2011 |
20120038243 | HIGH EFFICIENCY 4-PI NEGATRON BETA-3 PARTICLE EMISSION SOURCE FABRICATION AND ITS USE AS AN ELECTRODE IN A SELF-CHARGED HIGH-VOLTAGE CAPACITOR - The present invention is directed to an encapsulated β | 02-16-2012 |
20120080978 | RADIOACTIVE ISOTOPE ELECTROSTATIC GENERATOR - A radioactive isotope electrostatic generator may include emitter electrodes and collector electrodes. The emitters and collectors may be made of low atomic weight material, and may be formed as a mesh. A radioactive isotope may be homogenously distributed on the emitter electrodes. | 04-05-2012 |
20120175999 | RADIOISOTOPE FUELED ROTARY ACTUATOR FOR MICRO AND NANO VEHICLES - The invention provides an actuator apparatus and method where a source provides electrons to a target material wherein electrical work is performed. A beta emission process comprises a source material emitting electrons which are then captured by a target material. The actuator's source vanes rotate within an electric field between the target chutes' walls, generating torque. The principal providing torque and power is the change in energy as a vane gets closer to the outer walls. During the release and capture process, electrical work is performed which, in turn, is transferred into mechanical work in the form of rotation of the rotor. Specific applications include a radioisotope fueled rotary actuator for micro and nano air vehicles employed as the main form of propulsion. | 07-12-2012 |
20130313941 | SYSTEM AND METHOD FOR GENERATING ELECTRICITY FROM RADIOACTIVE ISOTOPES - A system and method for generating electricity by combining a fuel core and a drive regulation and containment system, the fuel core having a plurality of radioactive isotopes disposed between a plurality of crystalline lattices, and the drive regulation and containment system having a plurality of electromagnets that concentrate charged particles generated in the fuel core from the plurality of radioactive isotopes, and an electric field generated by an electron flow initiation system for driving the charged particles through the fuel core to create a current flow. | 11-28-2013 |