An engine and corresponding driving propulsion system may provide continuous force necessary to keep the engine operating. Utilizing two pressurized tanks with high and low pressures may provide a continuous flow of pressure to the engine necessary for it to operate.

Disclosed is an active chamber engine including a cylinder fed with compressed air, a piston, a cylinder head which includes an intake duct, an intake orifice, an intake valve, wherein the volume of the cylinder is divided into an included active chamber and an expansion chamber and the torque and the speed of the engine are controlled by the opening and closing of the intake valve characterized in that the intake valve moves in the direction opposite to the flow direction of the pressurized gas stream in its opening direction and is held closed on a seat by a return spring in its closing position, and that the axial forces acting on the intake valve resulting from the pressure in the intake duct and in the cylinder are permanently balanced.

Systems, apparatuses and methods in interoperating with multiple clean energy sources, such as pneumatic energy, electrical energy, hydrogen energy and steam energy, with engine configurations employing theses clean energy sources dynamically and synchronously. Further embodiments including fossil fuel energies.

Systems, apparatuses and methods in interoperating with multiple clean energy sources, such as pneumatic energy, electrical energy, hydrogen energy and steam energy, with engine configurations employing theses clean energy sources dynamically and synchronously. Further embodiments including fossil fuel energies.

The invention discloses a paired air pressure energy storage device, an inspection method and a balance detection mechanism thereof. The paired air pressure energy storage device includes an inner body and an outer body sleeved outside the inner body. The inner body is filled with a first gas. A cavity formed between the outer body and the inner body is filled with a second gas. There is a gas energy pressure difference between the first gas and the second gas. The gas energy pressure difference is relative pressure gas energy. The invention can store two gases with different pressure intensities, has a simple structure, is convenient for transportation, and is favorable for effective energy storage and long-term storage of gases.

The invention discloses a paired air pressure energy storage device, an inspection method and a balance detection mechanism thereof. The paired air pressure energy storage device includes an inner body and an outer body sleeved outside the inner body. The inner body is filled with a first gas. A cavity formed between the outer body and the inner body is filled with a second gas. There is a gas energy pressure difference between the first gas and the second gas. The gas energy pressure difference is relative pressure gas energy. The invention can store two gases with different pressure intensities, has a simple structure, is convenient for transportation, and is favorable for effective energy storage and long-term storage of gases.

Provided is an engine, including: a cylinder; a piston accommodated in the cylinder; a combustion chamber facing the piston; a sliding portion (large-diameter portion) configured to perform a stroke motion together with the piston; a hydraulic surface of the sliding portion facing a side opposite to the combustion chamber; a hydraulic chamber, which the hydraulic surface faces; and an auxiliary hydraulic chamber, which communicates with the hydraulic chamber, and has a volume changeable in accordance with a hydraulic pressure in the hydraulic chamber.

An engine comprising: a sealed and rigid case containing a liquid and a work mixture of gas and steam from the liquid, a heat source able to heat the liquid, a cold source able to cool the work mixture, a movable device positioned within the case, which can move between a first position where the movable device minimize the contact between the work mixture and the cold source, and maximize the contact between the liquid and the work mixture, and a second position where the movable device maximize the contact between the work mixture and the cold source, and minimize the contact between the liquid and the work mixture, an actuator able to move the movable device from the first position to the second position and vice versa.

An engine comprising: a sealed and rigid case containing a liquid and a work mixture of gas and steam from the liquid, a heat source able to heat the liquid, a cold source able to cool the work mixture, a movable device positioned within the case, which can move between a first position where the movable device minimize the contact between the work mixture and the cold source, and maximize the contact between the liquid and the work mixture, and a second position where the movable device maximize the contact between the work mixture and the cold source, and minimize the contact between the liquid and the work mixture, an actuator able to move the movable device from the first position to the second position and vice versa.

Systems, apparatuses and methods in interoperating with multiple clean energy sources, such as pneumatic energy, electrical energy, hydrogen energy and steam energy, with engine configurations employing theses clean energy sources dynamically and synchronously. Further embodiments including fossil fuel energies.