patent · · added 2 months ago
Method for the production of steel
In a method for the production of steel in an environmentally benign fashion, energy sources other than conventional fossil fuels are used to produce reductant fuels. These reducta...
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August 2026
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patent · · added 2 months ago
Method and device for introducing liquid into an exhaust-gas purification system
Nitrogen oxides emitted by an internal-combustion engine operated with excess air are normally converted by the method of selective catalytic reduction by bringing the nitrogen oxi...
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patent · · added 2 months ago
Method and apparatus for the destructive distillation of kerogen in situ
A method and apparatus for the destructive distillation of kerogen and extraction of oil and gas from oil shale. The method and apparatus includes generating super heated steam or...
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patent · · added 2 months ago
Device for injecting a fuel-gas mixture
A device for injecting a fuel-gas mixture in which the fuel stream is injected via injection ports of a fuel injection valve into distributor openings of a distributor line in a di...
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patent · · added 2 months ago
Solar cooker with a parabolic reflector
Solar cooker with a fold-up parabolic reflector comprising two stacks of reflecting flexible strips (19, 20) unfoldable so as to form a reflector. Strips of each stack are connecte...
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patent · · added 2 months ago
Solar powered focusing and directing apparatus for cutting, shaping, and polishing
A solar powered cutting, shaping, and polishing device is disclosed. In the preferred embodiment a large concave parabolic reflector is mounted on an X and Y axis rotatable (telesc...
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patent · · added 2 months ago
High flux solar energy transformation
Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems empl...
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patent · · added 2 months ago
Stirling engine
A Stirling engine includes a heater device for collecting solar radiation energy, a heater tube disposed in the heater device and connecting the expansion space and the compression...
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patent · · added 2 months ago
Solar power system
A solar power system includes a solar concentrator and a power conversion unit for converting direct solar energy from the concentrator to electrical energy to power appropriate lo...
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patent · · added 2 months ago
Solar energy collection apparatus
A solar energy collection apparatus comprising a hollow generally spherical means having an energy receiving means located substantially at the center of the spherical means. Circu...
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patent · · added 2 months ago
Solar heated oil shale pyrolysis process
A bed (76, 202) of oil shale particles (10) are pyrolyzed in a retort (70, 200) by means of a heated carrier gas stream passing through a central conduit (54, 202) within the bed (...
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patent · · added 2 months ago
Heat collecting and heat loss preventing apparatus
Solar heating apparatus comprises: (a) a generally horizontally elongated tank to contain liquid, the tank being solar radiation absorbing, and low intensity infra-red emitting, (b...
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patent · · added 2 months ago
Solar energy collector/storage system
A solar energy collector/storage system which includes an insulated container having working fluid inlets and outlets and an opening, a light-transmitting member positioned over th...
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patent · · added 2 months ago
Method and apparatus for solar destruction of toxic and hazardous materials
Toxic and hazardous organic materials are photochemically and thermally changed into innocuous and environmentally acceptable products through the proper application of solar energ...
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patent · · added 2 months ago
Directional solar heating assembly
A solar heating assembly includes a fluid receiver movable between a thermally insulated compartment and a transparent enclosure for exposure to the rays of the sun. The transparen...
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patent · · added 2 months ago
Solar heating plant
A simple solar heating plant comprising multiple reflectors, primary and secondary compartments, an air heating assembly and a concealed solar heat collector being formed and const...
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patent · · added 2 months ago
Solar-wind energy conversion system
A combined solar-wind energy conversion system in which the combined effects of solar and wind energy are utilized in raising water from a lower to an upper water storage tank to i...
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patent · · added 2 months ago
Inflation supported solar collector
An apparatus for collecting solar energy by heating a liquid to be subsequently used for heating purposes. The liquid is injected near the top of an inflated structure and when flo...
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patent · · added 2 months ago
Central focus solar energy system
A central focus solar energy system consisting of one or more arrays of mirrors, a receiver for each array, a sun tracker, a sun tracker sun acquisition device and a control unit....
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patent · · added 2 months ago
Solar heat collecting apparatus
A combined solar heating apparatus for heating air or water or both air and water comprising a corrugated collector plate with S-shaped tubing traversing the enclosure beneath the...
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patent · · added 2 months ago
Solar heat collector block
A generally rectangular solar heat collector block or module adapted to operate with its narrow side in a generally vertical position. One face of the collector block is adapted to...
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patent · · added 2 months ago
Radiant energy collector
A radiant energy collector is described having a generally scroll-shaped configuration and exhibiting a hemispheric energy acceptance angle. Substantially all diffuse and direct ra...
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patent · · added 2 months ago
Focusing solar collector
A focusing solar collector which utilizes an elongated parabolic shaped mirror made from a sheet of drapable material so that when draped in a catenary like curved configuration, t...
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patent · · added 2 months ago
Solar furnace
A solar furnace receiving reflected solar energy from a battery of remote, positionable mirrors with the furnace having primary and secondary reflectors directing concentrated radi...
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patent · · added 2 months ago
Sea shell solar collector
A device is provided for the collection and concentration of solar radiant energy including a longitudinally extending structure having a wall for directing radiant energy. The wal...
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patent · · added 2 months ago
Solar heating system
A heating system includes a fluid circuit with a pump and filter for heating water for a pool. A valved bypass circuit includes a heat absorption unit which can be included in the...
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patent · · added 2 months ago
Solar energy heating system
A focused solar heating system is provided having a focusing reflector which is generally scoop-shaped. A solar collector plate is mounted on the front of the focusing reflector to...
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patent · · added 2 months ago
Means for concentrating solar energy
Machine transcription of the US3118437 patent scan, 6 pages.
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patent · · added 2 months ago
Solar still with a cassegranian optical system
Machine transcription of the US3407122 patent scan, 3 pages.
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patent · · added 2 months ago
Sun water heater
Machine transcription of the US2277311 patent scan, 5 pages.