A method for pressurisation of a working gas in a Stirling engine assembly for use in a thermal energy plant, the Stirling engine assembly including: a Stirling engine including an expansion cylinder and a compression cylinder, wherein the expansion and compression cylinders are configured in a V-arrangement; a regenerator; a cooler and a heater; an accumulator, the accumulator being in fluidic connection with the expansion and/or compression cylinders of the Stirling engine; and a low pressure receptacle including the working gas. The method includes: providing working gas to the accumulator from the low pressure receptacle; providing a pressurisation fluid to the accumulator to reduce the volume for the working gas in the accumulator, thereby increasing the pressure of the working gas in the accumulator; and displacing the pressurised working gas from the accumulator to the expansion and/or compression cylinder.

A method for pressurisation of a working gas in a Stirling engine assembly for use in a thermal energy plant, the Stirling engine assembly including: a Stirling engine including an expansion cylinder and a compression cylinder, wherein the expansion and compression cylinders are configured in a V-arrangement; a regenerator; a cooler and a heater; an accumulator, the accumulator being in fluidic connection with the expansion and/or compression cylinders of the Stirling engine; and a low pressure receptacle including the working gas. The method includes: providing working gas to the accumulator from the low pressure receptacle; providing a pressurisation fluid to the accumulator to reduce the volume for the working gas in the accumulator, thereby increasing the pressure of the working gas in the accumulator; and displacing the pressurised working gas from the accumulator to the expansion and/or compression cylinder.

The invention relates to a Membrane Stirling Engine. The inventors propose a Membrane Stirling Engine, with working gas, with a hot part and with a cold part, where the working gas of the Stirling engine is found both in its hot part as well as its cold part in the membrane skins, which have two ends, whereby they are closed on one end hermetically and on the other end they are open, where they lead into the hot or cold space of a regenerator chamber with their open end tightly sealed.

The invention described herein provides new devices suitable for effectively converting relatively low temperature differences into useful work (e.g., for generating electrical power), related systems, and methods of using and developing such devices/systems. The devices are characterized in, inter alia, comprising an at least partially enclosed moveable component (e.g., a piston), a closed pressurized gas system comprising sizeable void spaces, and a closed temperature modifying liquid system having portions that obtain temperature characteristics from two sources, which are alternatingly dispensed as droplets into the pressurized gas, creating a pressure/temperature difference in the gas which causes the moveable component to move back and forth along a stroke distance that does not include the void spaces, the pressure of the gas and liquid being at substantially balanced when the device is ready for operation.

The present invention refers to the technical field of thermodynamic engines, and more specifically to a heat engine that operates with gas in closed loop in differential configuration which is characterized by performing a thermodynamic cycle eight transformations or otherwise explain, it performs two thermodynamic cycles simultaneously, each with four interdependent, additional transformations, two of these transformations isothermal and two adiabatic in mass transfer in phases of adiabatic processing to provide a new performance curve no longer dependent solely on temperature but the mass transfer rate which allows the construction of machines with high yields and low thermal differentials.

The invention relates to a Membrane Stirling Engine. The inventors propose a Membrane Stirling Engine, with working gas, with a hot part and with a cold part, where the working gas of the Stirling engine is found both in its hot part as well as its cold part in the membrane skins, which have two ends, whereby they are closed on one end hermetically and on the other end they are open, where they lead into the hot or cold space of a regenerator chamber with their open end tightly sealed.