he invention relates to a solar collector including a solar turbine or a turbocompressor, comprising: an inlet for external air, a compressor, a regenerative heat exchanger, a conical solar collector formed by a spiral tube that is thermally insulated in the area that is not exposed to solar radiati.....
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Most systems use a shifting clutch to change gear - Our system uses brake.The system is unique propulsion system suitable for electric motors, the system includes an innovative combination of an electric motor with a mechanical transmission with two speeds or more in order to increase efficiency and.....
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The FHT Stove provides switchable, fail-safe heat transfer from wood burning convector stoves to any hydronic heating circuit. A low noise fan reverses the natural upward flow of hot air around the outside of a stove, drawing heat downwards to a heat exchanger. Heat is only transferred when the fan.....
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Method and System that uses tokens to authenticate entities. The person reading the token should also poses a similar token. Each entity is represented by a set of tokens. A token set consist out of a public token, a private token and a password. Public and private are via an asymmetrical encryption.....
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