| Patent Number |
Title Of Patent |
Date Issued |
| 6997388 |
Radio frequency data carrier and method and system for reading data stored in the data carrier |
February 14, 2006 |
| A radio frequency (RF) data carrier is presented. The RF data carrier comprises at least one diffraction element that has a dimension of the order of a wavelength of RF radiation and is responsive to RF irradiation, the response produced by the diffraction elements in the data carrie |
| 6922146 |
Radio frequency data carrier and system for reading data stored therein |
July 26, 2005 |
| A radio frequency (RF) data carrier and method and system for reading information stored in the data carrier are presented. The data carrier comprises a collection of circuitries defining together a predetermined information code. Each circuitry includes: (a) a code circuit configured |
| 6776154 |
Solar energy system with direct absorption of solar radiation |
August 17, 2004 |
| A solar energy system comprises a solar absorber in the form of a solar boiler tank with a lower working liquid region having a liquid inlet and filled with a working liquid capable of boiling under a predetermined pressure, and an upper vapor accumulation region having a vapor outlet fo |
| 6530369 |
Solar energy plant |
March 11, 2003 |
| A solar radiation concentrating system (1) comprises at least two reflectors (12, 16) successively arranged along an optical path (4) of the system (1) so that a first (12) of the two reflectors (12, 16) reflects the radiation towards a second (16) of the two reflectors (12, 16). The |
| 6188820 |
Guided radiation receiver assembly and a radiation delivery waveguide for use therewith |
February 13, 2001 |
| A transparent radiation delivery waveguide and a guided radiation receiver assembly using the same, which assembly comprises a first transparent medium with a first refractive index n.sub.1, a receiver chamber having an aperture and holding a second transparent medium having a second |
| 6020553 |
Photovoltaic cell system and an optical structure therefor |
February 1, 2000 |
| High radiation concentration photovoltaic cell system including at least one optical structure in the form of a three-dimensional body having a first surface adapted to receive thereon photovoltaic cells and a second surface to be, at least indirectly, exposed to light radiation. The bod |
| 5980605 |
Carbothermal production of alkali metals |
November 9, 1999 |
| Production of metallic sodium and potassium by reaction of their hydroxides or carbonates with carbon. The carbon may be produced in situ by pyrolysis of a pyrolyzable carbonaceous material. There are further disclosed a process and installation for performing the production while using |
| 5958761 |
Bioreactor and system for improved productivity of photosynthetic algae |
September 28, 1999 |
| A bioreactor for improved productivity of photosynthetic algae includes a tubular housing surrounding a tubular envelope located therein. The housing and envelope define a space therebetween to be filled with fluid. The housing and envelope are made of at least a translucent material and |
| 5904748 |
Production of elementary volatile metals by thermal reduction of their oxides with the aid of an |
May 18, 1999 |
| Solar process for the production of volatile elemental zinc, sodium, and potassium by reacting their oxides with a reducing metallic agent selected from Fe, Sn, Ni, Co and Mn, and in a second step, reacting carbon or hydrogen with the oxide of said reducing metallic agent so as to reduce |
| 5862799 |
Control of a heliostat field in a solar energy plant |
January 26, 1999 |
| Control of a heliostat field (1) in a solar energy plant is provided with a system (6) which controls the alignment of heliostat mirrors (2) in a controlled area of the heliostat field (1) with respect to a selected zone in a target plane (P). The control system (6) comprises a detection |
| 5796892 |
Delivery of radiation from a first transparent medium to a second transparent medium having a lo |
August 18, 1998 |
| A method of delivering guided radiation arriving via a first transparent medium having a first refractive index into a second transparent medium having a second refractive index that is smaller than the first refractive index, comprising: providing a transparent radiation delivery wavegu |
| 5685289 |
Heat storage device |
November 11, 1997 |
| A two layer system for heat energy capture and storage with an upper or lower layer for heat extracting and the other layer for heat transfer. Either layer can function as a phase change material. Heat stored is conducted externally of the system and can be used directly in a convert |
| 5638395 |
Optically pumped laser apparatus |
June 10, 1997 |
| A laser apparatus of the end pumping kind in which an elongated transparent laser element is mounted in spaced relationship within a tubular waveguide which has a highly reflective inner surface. The arrangement is such that, at least along part of the laser element, the optical distance |
| 5578140 |
Solar energy plant |
November 26, 1996 |
| The disclosure concerns various improvements in a solar energy plant of the kind in which incoming solar radiation is concentrated by a Fresnel reflector, i.e. a field of concentrating mirrors, and the concentrated radiation is focused into a solar receiver. By one improvement a diel |
| 5077030 |
Method of and means for producing power and cooling in manufacturing of ammonia and related prod |
December 31, 1991 |
| Modifications are made to the standard process for the manufacture of ammonia and related compounds, resulting in lower operating costs through reduced total energy consumption. In one aspect of the invention, this is achieved by directing ammonia gas through one feed line, and carbon |
| 4876855 |
Working fluid for rankine cycle power plant |
October 31, 1989 |
| A composite working fluid for a Rankine cycle power plant operating between a boiler temperature and a condenser temperature comprises a mixture of immiscible fluids selected such that the saturated vapor line of the composite fluid in the vicinity of the boiler temperature is generally |
| 4760705 |
Rankine cycle power plant with improved organic working fluid |
August 2, 1988 |
| A Rankine cycle power plant utilizes as a working fluid and compounds selected from the group consisting of bicyclic hydrocarbons, substituted bicyclic aromatic hydrocarbons, heterocyclic bicyclic aromatic hydrocarbons, substituted heterocyclic bicyclic aromatic hydrocarbons, bicycli |
| 4461276 |
Aqueous gel for heat storage pond and method for making the gel |
July 24, 1984 |
| A gel is formed by copolymerizing an acrylic monofunctional monomer and an acrylic bifunctional monomer in an aqueous solution exposed to an oxygen containing atmosphere. Spontaneous polymerization takes place in an atmosphere containing oxygen after the solution is placed in sunlight, o |
| 4408459 |
Heat storage pond and power plant using same |
October 11, 1983 |
| A heat storage pond comprises a heat storage liquid covered by a non-liquid insulating layer that floats on the liquid and is thick enough to thermally insulate the latter against significant conductive heat loss to an ambient medium above the insulating layer which may be an aqueous or |
