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Two cycle hot gas engine with two movable parts
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Two-cycle hot-gas engine
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Stirling engine has one cylinder allocated to heater and comprising two units each with hollow outer piston with piston rod, and inner piston, and second cylinder allocated to cooler and with two units of same construction
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Hot gas motor has regenerators with rotating rotors powered by the working gas, for the regeneration function without a crank drive or loss of sealing
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Double-action single-cylinder hot gas engine with inner and outer pistons has two compression cavities and two expansion cavities
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Hot-gas engine with pistons that work inside one another
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Solar heating device for natural circulation heating system has heat pipes between storage collector and room heating surface with return of condensed heat transfer medium
