A portable system for converting wind energy into electrical energy is disclosed. The disclosed system may include a frame hosting one or more conversion modules, arranged as desired. A given conversion module may include one or more wind energy conversion devices (WECDs), arranged as desired. The conversion modules may be electrically connected, directly or indirectly, with one or more downstream electrical energy storage elements (e.g., such as a battery or other capacitive element, optionally native to a host platform). In this manner, the disclosed system may be configured for use in storing and/or supplying electric power for downstream consumption by a host platform or otherwise. In a more general sense, the disclosed system may be utilized, for example, for micro-generation of renewable electrical energy from wind.

A Pulsed Locomotor (120), for propelling media, fluids and crafts, in fluids and on land, comprising a blade (124) securely connected to a drive shaft (122). Upon reciprocation, the ambient medium is forced towards the trailing edge of the blade (124) thereby causing a reactive locomotion of the apparatus, substantially along the plane of the blade. Apparatus is secured to motor M by fastening through aperture (130). The apparatus can be operated directly by motor M, and indirectly by the reaction momentum imparted to a supporting platform P. Thrust is directed by steering handle (128) about a bearing (126), rotatably coupling to platform P and base C. Lubricant L is supplied to outlets (134) via conduit (136) and inlet (132), to coat the apparatus with a lubricant cavity, for drag reduction. The blade (124) planes along a figure 8 reciprocation path s1e1s2e2s1. Crafts are embodied.

A device for producing energy includes an air-towed vessel, and at least one water current turbine linked to the vessel by at least one electric cable. The water current turbine is linked to the vessel by at least one mechanical linking cable to be towed by the vessel. The water current turbine is spaced apart from the vessel, which makes it possible to increase the diameter of the turbine and to reduce the interactions between the turbine and the vessel. Moreover, it is then possible to provide a plurality of water current turbines towed by the same vessel.

A device and method of acquiring mechanical energy by using a wind power generator employing sails is described. A sail is mounted on a towing carriage that is used for the rotation of a propulsion wheel of the mechanical gear is added. The towing carriage is connected to a strand and the strand transfers the force originated by the sail to the propulsion wheel of the power plant. The sail has the ability of adjustment of its angle position to the direction of the wind, the total exploitation cycle of the wind power generator employing sails consists of the working part during which the sail is moving along the direction of wind.

A system for recharging power storage devices on a watercraft is disclosed herein. The system for recharging power storage devices on a watercraft includes a shell, at least one linear-channel fixedly mounted inside the shell, a turbine having at least one rotor and at least one shaft connected to the rotor, and a generator. The system for recharging power storage devices on a watercraft is useful for converting the rotational energy provided by the water flowing past the turbine rotor into electrical energy to charge a power storage device on a watercraft.

A power generation device is adapted to be driven by ocean currents, and includes a craft body unit, a plurality of blade units, a plurality of power generators, and a plurality of sails. The blade units are mounted on the craft body unit, and are adapted to extend into the sea and to be driven rotatably by the ocean currents. The power generators are mounted on the craft body unit and connected respectively to the blade units for converting a kinetic energy of the blade units into electrical energy. The sails are mounted on the craft body unit for capturing the wind to maintain a location of the craft body unit against drifting from a force of the ocean currents applied to the craft body unit.

MECHANICAL ENGINE FOR THE GENERATION OF ENERGY THROUGH WATER MOVEMENT, refers to a mechanical motor (1) to (41), with their auxiliary sets, with the objective of generating mechanical and electrical energy, or both, being plants electric lines with this system can be built on the banks or inside the sea, river or islands, where the cost benefit of the energy by the conventional way, does not become compensating, or practically inaccessible places, but that have waves, tides, or level differentials in waters. As these sources of energy, in water there are in abundance on the planet, possible future plants of this system, may be more spread out, and in greater quantity, thus reducing the number of posts, towers, compensation equipment, components, and transmission wires. In case of use in water navigation, this engine can be used to replace, totally or partially, conventional fuels and engines, for mechanical handling, and the generation of electric energy on board.

A Flettner rotor that employs localized suction over its surface improves performance and fuel efficiency. Simulations and analysis show that such a method can significantly improve the performance of the Flettner rotor. Improvements in rotor performance enable reduction in fuel costs and greenhouse gas emission by ships or other modes of transport. Improvements in rotor performance can also reduce noise for applications such as drones or other devices having rotors.

Device for a structure designed to tilt from one side to the opposite side, with the device comprising: at least one intermediate chamber (17) between the first and second edges, first and second side tanks (15a, 15b) communicating with the intermediate chamber(s) to manage liquid inputs and outputs, the side tanks each including a wall (19) which delimits them externally and being located towards the two extremities of the intermediate chamber, characterised with each side tank comprising: an upper section positioned so that it receives the liquid in line with the elongation direction (17a) of the intermediate chamber which supplies it, and a lower section which will connect to the upper section, with each of the upper and lower sections connected to the intermediate chamber(s) for the liquid inlets and outlets.

A float-linkage device for wave-energy electricity generation includes a float coming with two moving braces attached to two sides thereof. The two moving braces are pivotally connected to corresponding ends of upper and lower links. The upper and lower links each have an opposite end thereof pivotally connected to a transmission link. The transmission link further has an opening for receiving a one-way bearing, thereby forming a float-link unit. A plurality of the float-link units are linked by each having a pivot hole at one end of the moving brace of the float engaged with a boom of a prop, and having a pivot hole of the one-way bearing engaged with a main boom of the prop. A gear is provided on the main boom of the prop and is engaged with a pinion provided on a power-generating device installed on the prop.