Disclosed herein is a wind power generation system using a dynamic lift generation disk structure unlike a horizontal-axis wind turbine(HAWT) or vertical-axis wind turbine(VAWT) which uses blades. The wind power generation system includes a column and an oscillating unit. The oscillating unit includes a donut shape wing(disk) surrounding the column, which can convert kinetic energy into electric energy when the unit is moving up or down by dynamic lift.

A piezoelectric power generator using wind power is provided. To elaborate, the piezoelectric power generator has a central axis unit with a charger, a piezoelectric film supporting frame engaged onto an outer circumference surface of the central axis unit, and a piezoelectric film having a pre-set area and at least one side engaged to at least one of one side part of the piezoelectric supporting frame and the central axis unit. In addition, the piezoelectric film supporting frame has a shape corresponding to a shape of an edge of the piezoelectric film to surround the edge of the piezoelectric film.

A mobile manipulator robot having a pneumatic charging system. The mobile robot includes an energy source and a charging system to charge the energy source. The charging system includes a coupler having a mating end configured to mate with an external pneumatic supply system to access a pneumatic supply and a pneumatic actuator disposed downstream of the coupler. The pneumatic actuator is configured to convert energy from the pneumatic supply to charge the energy source. The pneumatic actuator may be an air motor or a piezo.

An hitting-electric device and a power generation device using the same according to the present invention may include a wind power collection unit including a fixed blade part, and a rotation blade part, accommodated in the fixed blade part and provided to be rotatable relative to the fixed blade part; a rotation shaft coupled to the rotation blade part and disposed extending downwardly, and provided with at least one trigger to which hitting-electric power is applied along an outer surface periphery; and an generation unit provided at a lower portion of the wind power collection unit and generating electricity by a hitting-electric power which the trigger hits.

The present disclosure relates to a wind power generator using a piezoelectric element. A wind power generator using a piezoelectric element according to an embodiment of the present disclosure, includes: a plurality of panels which are sequentially stacked, a wing-shaped piezoelectric member disposed between the plurality of panels for generating electrical energy by external force and a vibrating ball container disposed on one surface of the wing-shaped piezoelectric member and including a plurality of vibrating balls, wherein a hole through which wind can pass is formed in at least one surface of the vibrating ball container.

A device for transport of air in the tire P or close to it consisting of a chamber K in the shape of a hollow compressible channel, placed along at least a part of the tire perimeter, characterized by the fact that a ring OK is placed at the inner side of the chamber K with the distance of its outer side from the tire axis of rotation equal to 1 to 1.1 multiple of the distance of the bottom side of the chamber K from the axis of rotation of the tire P.

Systems and methods for use in capturing energy from natural resources. In one form, the systems and methods capture energy from natural resources, such as movement of fluid in a body of water, and convert it into electrical energy.

A flow energy harvesting system including a nozzle-diffuser defining a spline-shaped flow channel and a flow energy harvesting device in the spline-shaped flow channel of the nozzle-diffuser. The spline-shaped flow channel includes a converging portion, a diverging portion, and a constriction section between the converging and diverging portions. The flow energy harvesting device includes a flextensional member having a frame and a cantilever extending outward from the frame, and a stack of piezoelectric elements housed in an interior cavity defined in the frame. The cantilever is a non-piezoelectric material. The frame of the flextensional member is in the converging portion and the cantilever is in the constriction section of the spline-shaped flow channel. The frame is configured to deform and elongate the piezoelectric elements to generate a current based on the piezoelectric effect when a fluid flows through the spline-shaped flow channel and generates unbalanced forces on the cantilever due.

An apparatus has a shoe. Further, the apparatus has a support structure positioned within the shoe. Additionally, the apparatus has a rechargeable power supply that is operably attached to the support structure. Further, the apparatus has a force-to-energy conversion device that is operably attached to the support structure. The force-to-energy conversion device receives one or more external forces from an environment external to the shoe. Further, the force-to-energy conversion device converts the one or more external forces to electrical energy. Moreover, the force-to-energy conversion device transfers the electrical energy to the rechargeable power supply for storage in the rechargeable power supply.

An autonomous implantable capsule comprises a capsule body provided with an element for its anchoring to a patient's organ. An electronic unit is powered by an energy harvesting module provided with a pendular unit comprising an inertial mass coupled to an elastic piezoelectric beam forming a mechanical-electrical transducer for converting into electrical energy the oscillations of the beam. A mobile support, integral with the clamped end of the beam and mobile in axial rotation about the axis of the capsule body, can be directed by a controllable driver to adjust the angular position of the support so as to maximize the produced electrical power converted by the mechanical-electrical transducer.