An electromechanical transducer apparatus for converting between mechanical energy and electrical energy is disclosed and includes first and second magnetic flux generators including pole pieces coupled to direct magnetic flux. Th magnetic flux generators are disposed such that opposite polarity pole pieces are spaced apart in adjacent relation. A pair of reciprocators are coupled for reciprocating movement between the pole pieces and are spaced apart by first and second air gaps. A closing piece completes a magnetic circuit and when the reciprocators are disposed such that the first air gap is smaller than the second air gap, magnetic flux generated by the first magnetic flux generator flows in a first direction via the first air gap through the closing piece. When the reciprocators are disposed such that the second air gap is smaller than the first air gap, magnetic flux generated by the second magnetic flux generator flows in a second opposite direction via the second air gap through the closing piece. A current carrying coil is disposed to electromagnetically interact with the magnetic flux.

An electromagnetic device for converting input mechanical energy into output electrical energy, including a movable element that is able to make a vibratory mechanical movement, a vibration source configured to actuate the vibratory mechanical movement of the movable element, a coil, a magnetic circuit passing through the coil, the coil being configured to generate the output electrical energy when the movable element is making its vibratory mechanical movement, a permanent magnet arranged in the magnetic circuit and able to generate a magnetic flux, referred to as the total magnetic flux (Fm_T), in the magnetic circuit.

The invention relates to electric machines, and more particularly to both linear and rotational generator/motors. The aim of the claimed invention is to increase the amount of EMF generated, minimize the number of magnets and windings used, and maximize the use thereof throughout the entire generation cycle. The Bayaliev universal generator/motor comprises a fixed magnetic core (stator), a movable magnetic core (rotor), a magnet, and windings, wherein the fixed magnetic core contains at least one main element configured in the form of a magnet having generating windings arranged on two sides thereof such as to provide for opposite magnetic flux reversals in the windings when the movable magnetic core is moving. To strengthen the magnetic flux, an excitation winding is mounted in the region of the magnet, said excitation winding being fed by the generating windings via a rectifier.

A roadway renewable energy generation system and method, that includes a plurality of plunger devices, electrically connected in series, and each plunger device configured to generate a predetermined amount of electricity, through reciprocating linear motion, when actuated by an object; a plurality of grooves formed within a ground surface configured to house the plurality of plunger devices therein, wherein a top portion of each plunger device extends a predetermined distance above the ground surface; a transformer configured to transform the electricity generated by the plurality of plunger devices; and a storage device configured to store the electricity from the transformer. The system is embedded into roadways and parking garages/ramp entrances, for example, to enable electricity generated when each plunger device is depressed as the vehicle tires pass over the roadways to be stored and reused for electric vehicles and power/utility grids.

A power generating device comprises a magnetic core, an induction coil assembly, a first housing, a conductive plate, and a second housing. The induction coil assembly is coupled with the magnetic core, and the magnetic core and the induction assembly are configured in the accommodating space of the first housing. The conductive plate is attracted to the magnetic core. The second housing is configured above the conductive plate. When the second housing receives an external force along an extending direction of the magnetic core, a distance change between the conductive plate and the magnetic core causes a variation of magnetic flux. The induction coil assembly generates a current by sensing the magnetic flux variation.

A power generating device comprises a magnetic core, an induction coil assembly, a first housing, a conductive plate, and a second housing. The induction coil assembly is coupled with the magnetic core, and the magnetic core and the induction assembly are configured in the accommodating space of the first housing. The conductive plate is attracted to the magnetic core. The second housing is configured above the conductive plate. When the second housing receives an external force along an extending direction of the magnetic core, a distance change between the conductive plate and the magnetic core causes a variation of magnetic flux. The induction coil assembly generates a current by sensing the magnetic flux variation.

A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells, inside of the cells being filled with fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the fluid and energy of acoustic waves resulting from oscillations of the fluid. The plurality of cells have an average of hydraulic diameters HDs that is 0.4 mm or less in a plane perpendicular to the cell extending direction, the heat/acoustic wave conversion component has an open frontal area at each end face of 60% or more and 93% or less, and distribution of hydraulic diameters HDs of the plurality of cells has relative standard deviation that is 2% or more and 30% or less.

A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells, inside of the cells being filled with fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the fluid and energy of acoustic waves resulting from oscillations of the fluid. The plurality of cells have an average of hydraulic diameters HDs that is 0.4 mm or less in a plane perpendicular to the cell extending direction, the heat/acoustic wave conversion component has an open frontal area at each end face of 60% or more and 93% or less, and distribution of hydraulic diameters HDs of the plurality of cells has relative standard deviation that is 2% or more and 30% or less.

An apparatus for self-generating power with two magnets at two ends and a wireless switch using same are provides, and which belong to the field for self-generating power. The apparatus for self-generating power with two magnets at two ends of the present disclosure includes a coil assembly and a permanent magnet assembly. The permanent magnet assembly includes a left permanent magnet, a right permanent magnet and a soft magnetic frame, wherein the coil assembly includes a coil and a soft magnetic plate, and the soft magnetic plate is arranged between the left permanent magnet and the right permanent magnet in an up-down rotation manner. In an initial state, a closed magnetic circuit is defined by a left end and a right end of the soft magnetic plate and the soft magnetic frame, and when the soft magnetic plate rotates relative to the permanent magnet assembly, a closed magnetic circuit with magnetic lines of force opposite in direction is defined by the left end and the right end of the soft magnetic plate and the soft magnetic frame. The wireless switch of the present disclosure includes a radio frequency control board, a switch body used for controlling an electric device, and the apparatus for self-generating power, wherein the coil of the apparatus for self-generating power is electrically connected to the radio frequency control board.

An apparatus for self-generating power with two magnets at two ends and a wireless switch using same are provides, and which belong to the field for self-generating power. The apparatus for self-generating power with two magnets at two ends of the present disclosure includes a coil assembly and a permanent magnet assembly. The permanent magnet assembly includes a left permanent magnet, a right permanent magnet and a soft magnetic frame, wherein the coil assembly includes a coil and a soft magnetic plate, and the soft magnetic plate is arranged between the left permanent magnet and the right permanent magnet in an up-down rotation manner. In an initial state, a closed magnetic circuit is defined by a left end and a right end of the soft magnetic plate and the soft magnetic frame, and when the soft magnetic plate rotates relative to the permanent magnet assembly, a closed magnetic circuit with magnetic lines of force opposite in direction is defined by the left end and the right end of the soft magnetic plate and the soft magnetic frame. The wireless switch of the present disclosure includes a radio frequency control board, a switch body used for controlling an electric device, and the apparatus for self-generating power, wherein the coil of the apparatus for self-generating power is electrically connected to the radio frequency control board.