An improved turbine over the old horizontal and vertical axis turbines because of its ability to capture several times the amount of wind. The basic design and process of this new machine can also work in the ocean at capturing ocean currents. Being Omni-directional (not having to turn into the wind) gives it one efficiency over the 3 bladed turbine. Another efficiency all embodiments have is its frictionless exponent. This quality helps save on wear and tear and maintenance cost. Most if not all past turbines have a static presents, being built in one basic wind capturing position. This new turbine is more dynamic because it can hide from wind damage and then open to capture more wind than its predecessors.

The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between the low-pressure chamber (12) and the displacement spiral (13), the displacement spiral (13) engaging in the counter spiral (14) in such a way that, during operation, at least a first and a second compression chamber (16a, 16b) for receiving a working medium are temporarily formed, and the displacement spiral (13) having at least one passage opening (17) for fluidic connection to the counter-pressure chamber (15), wherein the passage opening (17) is located in the displacement spiral (13) in such a manner that, during operation, due to the orbiting movement of the displacement spiral (13), at least sections of the passage opening (17) are temporarily arranged in the first compression chamber (16a) and subsequently at least sections of the passage opening are temporarily arranged in the second compression chamber (16b).

The invention relates to a system for storing and recovering energy, comprising at least two liquid containers for storing a liquid, the two liquid containers being preferably located at substantially the same level and/or preferably having a substantially identical volume, and a turbine unit for power generation, which connects the two liquid containers to one another and is designed in such a way that the liquid can flow from the one liquid container through the turbine and into the other liquid container and thereby drives the turbine, and a working gas provision unit for providing a working gas, in particular air, having a substantially constant working gas pressure, the working gas provision unit being connected to the two liquid containers and designed in such a way that the working gas having said constant working pressure conveys the liquid from the one liquid container, via the turbine unit and into the other liquid container.

An improved turbine over the old horizontal and vertical axis turbines because of its ability to capture several times the amount of wind. The basic design and process of this new machine can also work in the ocean at capturing ocean currents. Being Omni-directional (not having to turn into the wind) gives it one efficiency over the 3 bladed turbine. Another efficiency all embodiments have is its frictionless exponent. This quality helps save on wear and tear and maintenance cost. Most if not all past turbines have a static presents, being built in one basic wind capturing position. This new turbine is more dynamic because it can hide from wind damage and then open to capture more wind than its predecessors.

A rotor blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the first and second blade segments has at least one shell member defining an airfoil surface. The first blade segment includes a beam structure having a receiving end with at least one span-wise extending pin extending therefrom. The second blade segment includes a receiving section that receives the beam structure. The receiving section includes a chord-wise member having a pin joint slot defined therethrough. The pin joint slot receives the span-wise extending pin at the receiving end of the beam structure so as to secure the first and second blade segments together. Moreover, the chord-wise member, the pin joint slot, and/or the span-wise extending pin includes at least one compliant structure formed of a compliant material that allows a deformation thereof to follow a shear deformation of the rotor blade.

The present invention relates to a solar power generating apparatus comprising: a body (100) having a three-dimensional shape so as to enable air flowing from the outside to be lifted, and having an acceleration flow path (142) formed on the top thereof so as to induce a bottleneck phenomenon of the air to be lifted; and a power generating fan (200) installed in the acceleration flow path (142). Accordingly, the air flowing into the body (100) is heated by sunlight and is lifted so as to operate the power generating fan (200) and enable power generation, such that eco-friendly energy can be produced.

The present invention relates to a fluid compressor comprising: a driving module comprising a driving motor embedded in a motor case; and a compression module comprising a rotor, which is rotatably driven by a driving motor and which has a plurality of variable blades radially provided along the outer peripheral surface thereof, a rotor housing for encompassing the rotor, and a cover of the rotor, for closing the rotor housing, wherein the compression modules are stacked and airtight to block contact between fluid passing through the compression module and air outside the compression module, so that the fluid flowing into any one compression module sequentially passes through the remaining compression modules. The rotary shafts provided in each center of the rotors are connected a shaft coupler. The present invention simultaneously achieves a high-efficiency compression ratio and reduces noise caused by the excessive velocity of any compression module.

An apparatus and method is disclosed for extracting energy from an oscillating working fluid, such as ocean waves. The apparatus (10) comprises an internal flow passage (40) for the working fluid, a turbine (44) and a flow control device (38), each of the turbine (44) and the flow control device (38) being in direct fluid communication with the flow passage (40), wherein in use the flow control device (38) is selectively moveable between a first configuration in which the flow control device (38) is open to allow a flow of the working fluid, such as air, to exit the flow passage (40) therethrough, and a second configuration in which the flow control device (38) restricts a flow of the working fluid therethrough. In such an instance, the working fluid then must enter the flow passage (40) via the turbine (44), which can be harnessed to generate electricity.

An apparatus may include a reservoir; a stopper dividing the reservoir; a water fill pipe configured to provide the water to a lower portion of the reservoir; and an outlet pipe connected to the lower portion of the reservoir. The apparatus may further include a compressed air feed pipe which may provide compressed air to an upper portion of the reservoir to press on the stopper so that the water is forced by the stopper to escape from the lower portion of the reservoir through the outlet pipe. A processor included in the apparatus may be configured to determine a water pumping rate of the water while the water escapes through the outlet pipe, and to control the compressed air feed pipe to provide the compressed air at an air pumping rate equal to the water pumping rate.

A multistage pump body comprises a first pumping chamber (20) and a second pumping chamber (21). A connecting duct (26a) puts an outlet (27) of the first pumping chamber (20) into communication with an inlet (28) of the second pumping chamber (21). A leak-tight conduit (40) is provided for the circulation of a cooling liquid. The connecting duct (26a) is a lateral duct of the multistage pump body. A heat-conducting wall (33) partially delimits the connecting duct (26a) and has an external surface (34) on the outside. At least a portion of the connecting duct (26a) passes between this external surface (34) of the heat-conducting wall (33) and the leak-tight conduit (40).