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Patent

Heating and emergency current generation appts. - comprises gas heater, gas engine, generator, gas compressor and heating bodies

TLDR
Combined heating and emergency current appts for buildings comprises a gas heater, gas engine, generator, gas compressor, and heating bodies (convectors, heat exchangers) such that a closed gas (air) circuit is formed between the heaters, motor, cooler and compressor.
Abstract
Combined heating and emergency current appts. for buildings comprises a gas heater, gas engine, generator, gas compressor, and heating bodies (convectors, heat exchangers) such that a closed gas (air) circuit is formed between the heaters, motor, cooler and compressor. The motor drives the emergency current generator and compressor. The cooler acts directly as a space heater and/or water heater for a hot water supply. The motor and compressor have high-r.p.m. rotors on the volumetric displacement principle, and are rigidly intercoupled together. The appts. does not pollute the atmos. and can be driven with given energy sources.

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Patent

Auxiliary power unit using compressed air

Guy Negre, +1 more
TL;DR: In this article, an auxiliary power unit using compressed air for energy and equipped with a motor alternator driving, or being driven by a motor compressor with compressed air which compresses air under high pressure in a high pressure storage tank, is presented.
Patent

Emergency generator unit powered by compressed air, providing silent and pollution free emergency electric supply

Guy Negre, +1 more
TL;DR: In this article, the emergency generator unit uses compressed air to drive an air motor which in turn drives an alternator, which can act as a motor, driving the air motor in compressor mode to replenish the compressed air storage when the mains supply is available.