• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Device for generating electricity comprising at least a first shaft (11), at least one input actuator (31) acting on a first hydraulic piston (41), and a second hydraulic piston (42), which drives a mechanical element propeller (6), which slides on a first guide (631), wherein the first axis (11) comprises at least a second transmission transmission wheel (72), an electric generator (33) comprising a second axis ( 12) with a third drive transmission wheel (73), wherein said first drive gear (71) comprises a first free wheel mechanism (81) so as to transform the reciprocating movement of the first shaft (11) in rotating movement, in a single direction of rotation. In this way, there is a device for generating electricity, with an increased ratio of the output power to the input power. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2568518A1
    申请号:ES201630090
    申请日:2016-01-26
    公开日:2016-04-29
    发明作者:Guillermo IRUSTA URAIN
    申请人:Quide S A；Quide Sa；
    IPC主号:
    专利说明:

    DESCRIPTION

    Device to generate electricity

     5
    OBJECT OF THE INVENTION

    The object of the present patent application is a device for generating electricity through a mechanism comprising an actuator that exerts a linear force on at least one hydraulic piston, with an attached generator through which energy is produced. It has the advantage that at the output the power obtained is greater than that consumed.


    BACKGROUND OF THE INVENTION 15

    It is known from the state of the art, as reflected in document US2014049051, a power generating device that generates self-sufficient electricity without the need for external resources. The device comprises two vertical members, each comprising a weight. The weights of the vertical elements are secured to a chain that is passed through a cogwheel. The sprockets are then rigidly attached to an axle, such that the chain passes over the sprockets by rotating the axles. The axes are fixed to a gearbox, which is then fixed to a magnetic component induction generation. The weights move in the opposite way, so that when one weight is lifted the other is lowered, with the weight low the activation 25 of a switch, which turns on a hydraulic pump and the piston, which acts to increase the weight. The lifting and lowering of the weights rotates the shafts, which in turn turns the turbines of the magnetic components of induction generation to produce electricity.
     30
    It is also known in the state of the art, as reflected in document KR20090083514, a system for producing electricity by using a hydraulic cylinder equipped with a cylinder shaft, a joint shaft, and a fixed clutch gear. The hydraulic cylinder comprises cylinder shafts, joint shafts and clutch gear assemblies. The cylinder shaft pushes the articulation shaft like a two-stroke piston. The articulation shaft is converted from linear movement to rotation movement, and rotates the clutch gear assembly. The connecting shaft is connected to the cylinder shaft and the clutch gear is configured to increase torque. More than 90% of electrical energy is obtained than the electricity consumption that is realized. It comprises three safety batteries. 5

    It is also known from the state of the art, as reflected in WO2004088770, an electricity generation system configured to generate electrical energy from potential energy. It comprises a support frame, an actuator, a counterweight, a hydraulic assembly, a multi-pulley system and an electric motor with 10 lift. The set includes a hydraulic accumulator, a hydraulic turbine and a generator. The counterweight is fixed to the piston rod. The electric lifting motor is configured to alternately raise and lower the counterweight with the help of the multiple pulley system, arranged between the counterweight and the support frame, in order to correspond to the piston rod inside the inner chamber of such so that the hydraulic fluid 15 can circulate through the hydraulic group. The accumulator receives and pressurizes the hydraulic fluid from the actuator and releases it to the hydraulic turbine so that the hydraulic turbine can be rotated. The generator is rotatably driven by the hydraulic turbine and converts its rotational movement into electrical energy.
     twenty
    Thus, it is seen that there is still a need for a device to generate electricity, with an increased ratio of the output power to that of the input.


    DESCRIPTION OF THE INVENTION 25

    The present invention relates to a device for generating electricity through a mechanism comprising an actuator that exerts a linear force on at least one hydraulic piston, with an attached generator through which energy is produced. 30

    More particularly, the device for generating electricity comprises at least a first axis between a first support and a second support, at least one input actuator acting on at least a first hydraulic piston, said at least one first hydraulic piston acting on the minus a second hydraulic piston, which drives a mechanical drive element 35, wherein said mechanical drive element comprises a first toothed surface on a first skate, which slides on a first guide, where the first toothed surface engages, by way of rack, with a first input sprocket on the first axle, wherein the first axle comprises at least a second output transmission wheel, an electric generator comprising a second axle with a third input transmission wheel, wherein said second output transmission wheel and third input transmission wheel are mechanically linked by means of a A transmission belt, wherein said first input sprocket comprises a first freewheel mechanism such that it transforms the reciprocating movement of the first axis into rotary movement, such that the first axis moves in a single direction of rotation. In this way, the initial reciprocating movement of the input actuator is transformed, at the output of the mechanical device described, into a continuous circular movement, which allows, through an electric generator, to obtain an output power, which is of a value greater than the power needed to activate the input mechanism. This output power is approximately 7.5 times that of the input, according to the calculations made by the applicant and the prototypes built.

    Specify that it is necessary the presence of a first hydraulic piston acting on at least a second hydraulic piston in order to transform the linear force of the input actuator, into pressure of the hydraulic means, and again into a linear force 20 acting on a mechanical element propeller.

    It is also important the presence of free wheels, which only transmit the turning movement in one direction, and not in its opposite. Thus, when the thrust is made in a first direction a first pinion acts and the second pinion is crazy or released, and in reverse, when the thrust is made in a second direction, opposite to the first direction, the second pinion exerts the transmission and the first is crazy or released.

    Advantageously, the first support comprises a third axle with a fourth input transmission wheel and a fifth output transmission wheel, such that it is possible to design more freely the input and output ratios of the turn transmitting wheels. It is also possible to transmit the movement at a greater vertical distance by means of said intermediate transmission wheels.

    According to another aspect of the invention, the second output transmission wheel of the first axle meshes with the fourth input transmission wheel, and wherein the fifth output transmission wheel and the third input transmission wheel are mechanically linked by means of of a transmission belt, so that the output rotation speed is increased. Since there is a mechanical linkage by means of a transmission belt 5, there is a greater freedom of position of the second axis and the third axis, in particular as regards the height relative to the ground.

    On the other hand, the device for generating electricity comprises a third support, and a fourth axis that supports between the second support and said third support. So that it is possible to position intermediate gears in order to reverse the direction of rotation induced by the mechanical drive element.

    Additionally, the mechanical drive element comprises a second serrated surface on a second skate that slides on a second guide. It is through said second toothed surface that the linear movement is transmitted, towards a cogwheel that converts it into angular movement.

    According to another aspect of the invention, the second toothed surface engages, as a rack, with a sixth input gearwheel on the fourth axle, so that the second axle has an oscillating rotational movement.

    More specifically, said sixth gear wheel in turn meshes with a seventh input gearwheel on the first axle, such that the angular movement is finally transmitted to the main axis of the transmitting mechanism. 25

    Advantageously, said seventh input gearwheel on the first axle comprises a second freewheel mechanism, such that it transforms the reciprocating movement into rotary movement. Thus, the first wheel is complemented by the seventh wheel, making the rotational movement of the first axle more uniform, and without pulling, and, above all, in a single direction of rotation, preferably the same as that of the first wheel .

    According to another aspect of the invention, the at least one first hydraulic piston acts on at least a second hydraulic piston through hydraulic transmission means. It is therefore through said hydraulic transmission means that the thrust of the input actuator is transmitted to the mechanical drive element.

    More particularly, the hydraulic transmission means comprise a liquid channeled through a hose and / or pipe, such that the first hydraulic piston and second hydraulic piston 5 are mechanically linked.

    In a preferred embodiment of the invention, the input actuator is an electric actuator that exerts a linear output force. In this way, it is possible to use a wide range of actuators present in the market, with proven performance, and simple power supply, while at the same time with no environmental pollution at work.

    Alternatively, the input actuator is a mechanical actuator that converts an input sway force into a linear output force. In this way, it becomes possible to couple to said mechanical actuator another type of actuator, or the output of another type of device that produces an output reciprocating movement.

    According to another embodiment of the invention, the reciprocating force of input to the device for generating electricity is produced by an auxiliary device comprising a second input actuator which acts on at least a first hydraulic piston, said at least a first hydraulic piston it acts on at least a second hydraulic piston, at least a first axis between a first support and a second support, wherein said second hydraulic piston pushes a propellant mechanical element, which comprises a plurality of serrated surfaces on a plurality of sliding skates on a plurality of guides, wherein the plurality of toothed surfaces engage, as a rack, 25 with a plurality of input sprockets on the first axis, at least a second output transmission wheel on the first axis, a second axle with a third input drive wheel, a gear train between the second drive wheel n output the first axis and the third drive wheel input of the second axis. Thus, and through the coupling of said auxiliary device to the input actuator, a greater gain in power is obtained, since the output power is approximately 35 times that of the input, according to the calculations made by The applicant already built the prototypes.

    Additionally, the gear train sits on a third axle with at least a fourth input transmission wheel and a fifth output transmission wheel, such that said transmission means gain in robustness, durability and stability in position.

    More specifically, the second input actuator is an electric actuator that exerts a linear output force, obtaining the above-mentioned advantages for the main device of the first claims, that is, having the possibility of making use of a wide range of actuators present in the market, with proven benefits, and of simple feeding, at the same time that with a null environmental pollution in its work. 10

    According to another aspect of the invention, the hydraulic piston comprises a water circuit in its outer wall, as a cooling jacket. In this way the hydraulic pistons work at a lower temperature, which results in greater durability. The invention includes in a preferred embodiment a water cooling element, connected by means of pipes to said cooling jackets.

    Advantageously, the hydraulic fluid is oil, for its proven properties for this type of function.
     twenty
    It is worth mentioning that the pipe is made of steel, which increases resistance and durability compared to other pipe solutions made of other materials.

    According to a preferred embodiment of the invention, the second transmission wheel and / or third transmission wheel and / or fourth transmission wheel and / or fifth transmission wheel, comprise a plurality of teeth at its periphery, so that they are wheels toothed, which results in greater reliability in terms of the transmission of the rotary movement.

    According to another preferred embodiment of the invention, the second transmission wheel and / or 30 third transmission wheel and / or fourth transmission wheel and / or fifth transmission wheel are a pulley, so that mechanically linked to each other by means of a transmission belt, or belt, also transmitting the turning movement, being a cheaper solution in its manufacture than those of the gearwheels.
     35
    It should also be mentioned that, according to an alternative embodiment of the invention, the second transmission wheel, the fourth transmission wheel, the fifth transmission wheel and the third transmission wheel are replaced by a multiplier group. In this way it is possible to implement, as part of a device for generating electricity, an element commercially available in the market. 5

    The attached drawings show, by way of non-limiting example, a device for generating electricity, constituted according to the invention. Other features and advantages of said device for generating electricity, object of the present invention, will be apparent from the description of a preferred, but not exclusive, embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which:


    BRIEF DESCRIPTION OF THE DRAWINGS 15

    Figure 1.- It is a perspective and simplified view of the device for generating electricity, in accordance with the present invention.
    Figure 2.- It is a profile view of the connection between the input actuator and the two hydraulic pistons, in accordance with the present invention. twenty
    Figure 3.- It is a profile view of the connection between the two hydraulic pistons, and also between its two cooling circuits, including a water cooling element, in accordance with the present invention.
    Figure 4.- It is a profile view of the device for generating electricity in a first embodiment in which the input actuator is an electric actuator, in accordance with the present invention.
    Figure 5.- It is a profile view of an auxiliary device attachable to the main device to generate electricity in the input actuator is an electric actuator, in accordance with the present invention.
    Figure 6.- It is a profile view of the device for generating electricity in a second embodiment in which the input actuator is a mechanical actuator linked to the output of the auxiliary device of Figure 5, in accordance with the present invention.


     35
    DESCRIPTION OF A PREFERRED EMBODIMENT

    In view of the aforementioned figures and, according to the numbering adopted, an example of a preferred embodiment of the invention can be observed therein, which comprises the parts and elements indicated and described in detail below. 5
    Thus, as can be seen in Figures 1 and 4, the device for generating electricity comprising at least a first axis 11 between a first support 21 and a second support 22, at least one input actuator 31 acting on at least a first hydraulic piston 41, said at least one first hydraulic piston 41 acts on at least a second hydraulic piston 42, which drives a mechanical propeller element 6, wherein said propellant mechanical element 6 comprises a first serrated surface 611 on a first skate 621, which slides on a first guide 631, wherein the first toothed surface 611 engages, as a rack, with a first toothed wheel 71 on the first axis 11, wherein the first axis 11 comprises at least one 15 second output transmission wheel 72, an electric generator 33 comprising a second axle 12 with a third input transmission wheel 73, wherein said second transmission wheel n 72 of output and third input transmission wheel 73 are mechanically linked by means of a transmission belt 78, wherein said first input sprocket 71 comprises a first freewheel mechanism 81 in a manner that transforms the reciprocating motion. of the first axis 11 in rotational movement, such that the first axis 11 moves in a single direction of rotation.

    Specify that, in a particular embodiment, the connection between pistons is made by means of a hose. On the other hand, in an alternative embodiment, several first 25 hydraulic pistons 41 are placed, in parallel, next to several input actuators 31, in order to gain output power, as a consequence of having increased the input power.

    More particularly, as can be seen in Figures 4 and 6, the first support 21 30 comprises a third axle 13 with a fourth input transmission wheel 74 and a fifth output transmission wheel 75.

    According to another aspect of the invention, as can be seen in FIGS. 4 and 6, the second drive wheel 72 of the first axle 11 engages with the fourth drive wheel 74, and where the fifth wheel of Output transmission 75 and the third input transmission wheel 73 are mechanically linked by means of a transmission belt 78, so that the output rotation speed is increased. Specify that the transmission belt 78 may be a belt, optionally toothed, in the manner of a vehicle's engine timing belt. 5

    More particularly, as can be seen in Figures 4 and 6, the device for generating electricity comprises a third support 23, and a fourth axis 14 supporting between the second support 22 and said third support 23.
     10
    More specifically, as can be seen in Figures 4 and 6, the propeller mechanical element 6 comprises a second serrated surface 612 on a second skate 622 sliding on a second guide 632.

    According to another aspect of the invention, as can be seen in FIGS. 4 and 6, the second cogged surface 612 engages, as a rack, with a sixth inlet wheel 76 on the fourth axis 14, so that the Second axis 12 has an oscillating rotational movement.

    It should be mentioned that, as can be seen in FIGS. 4 and 6, said sixth cogwheel 20 76 in turn meshes with a seventh inlet wheel 77 on the first axle 11.

    According to a preferred embodiment of the invention, as can be seen in Figures 4 and 6, the seventh input gear 77 on the first axle 11 comprises a second freewheel mechanism 82, such that it transforms the reciprocating movement into motion. rotary.

    On the other hand, as can be seen in Figure 1, the at least one first hydraulic piston 41 acts on at least one second hydraulic piston 42 through hydraulic transmission means 30.

    More particularly, as can be seen in Figure 2, the hydraulic transmission means 5 comprise a liquid channeled through a hose and / or pipe.
     35
    According to another aspect of the invention, as can be seen in Figure 1, the input actuator 31 is an electric actuator that exerts a linear output force.

    According to yet another aspect of the invention, as can be seen in Figure 6, the input actuator 31 is a mechanical actuator that converts a reciprocating force of 5 input into a linear output force.

    According to an alternative embodiment of the invention, as can be seen in Figure 5, the reciprocating input force is produced by an auxiliary device 9 comprising a second input actuator 32 which acts on at least a first hydraulic piston 10 41, said at least a first hydraulic piston (41) acts on at least a second hydraulic piston (42), at least a first axis 11 between a first support 21 and a second support 22, wherein said second hydraulic piston 42 pushes a propeller mechanical element 6, which comprises a plurality of toothed surfaces on a plurality of skates sliding on a plurality of guides, wherein the plurality of toothed surfaces 15 engage, as a rack, with a plurality of input sprockets on the first axle 11, at least a second output transmission wheel 72 on the first axis 11, a second axis 12 with a third input transmission wheel 73 a, a gear train 7 between the second transmission transmission wheel 72 of the first axle 11 and the third transmission transmission wheel 73 of the second axle 12. 20

    Additionally, as can be seen in Figures 4, 5 and 6, the gear train 7 sits on a third axle 13 with at least a fourth input transmission wheel 74 and a fifth output transmission wheel 75.
     25
    More particularly, as can be seen in Figure 5, the second input actuator 32 is an electric actuator that exerts a linear output force.

    According to another aspect of the invention, as can be seen in Figure 3, the hydraulic piston comprises a water circuit in its outer wall, as a cooling jacket.

    It should be mentioned that, as can be seen in Figures 2 and 3, the hydraulic fluid is oil.
     35
    On the other hand, as can be seen in figures 2 and 3, the pipe is made of steel.

    According to a preferred embodiment of the invention, as can be seen in Figures 4, 5 and 6, the second transmission wheel 72 and / or third transmission wheel 73 and / or fourth transmission wheel 74 and / or fifth wheel of transmission 75, comprise a plurality of teeth in its periphery.

    More particularly, as can be seen in Figures 4, 5 and 6, the second transmission wheel 72 and / or third transmission wheel 73 and / or fourth transmission wheel 74 and / or fifth transmission wheel 75, are a pulley 10

    Alternatively, the second transmission wheel 72, the fourth transmission wheel 74, the fifth transmission wheel 75 and the third transmission wheel 73 are replaced by a multiplier group.
     fifteen
    The details, shapes, dimensions and other accessory elements, as well as the components used in the implementation of the device to generate electricity may be conveniently replaced by others that are technically equivalent, and do not depart from the essentiality of the invention or the scope defined by the claims included below the following list. twenty


    List references:

    11 first axis 25
    12 second axis
    13 third axis
    14 fourth axis
    21 first support
    22 second support 30
    23 third support
    31 input actuator
    32 second input actuator
    33 electric generator
    41 first hydraulic piston 35
    411 outer wall
    412 water circuit
    42 second hydraulic piston
    5 hydraulic transmission means
    6 propeller mechanical element 5
    611 first toothed surface
    612 second toothed surface
    621 first skate
    622 second skate
    631 first guide 10
    632 second guide
    7 gear train
    71 first gear
    72 second drive wheel
    73 third drive wheel 15
    74 fourth transmission wheel
    75 fifth wheel drive
    76 sixth gear wheel
    77 seventh cogwheel
    78 transmission belt 20
    81 first freewheel mechanism
    82 second freewheel mechanism
    9 auxiliary device
    权利要求:
    Claims (1)
    [1]

    1- Device for generating electricity comprising:
    - at least a first axis (11) between a first support (21) and a second support (22),
    - at least one inlet actuator (31) acting on at least a first hydraulic piston 5 (41), said at least one first hydraulic piston (41) acting on at least a second hydraulic piston (42), which drives a mechanical drive element (6), wherein said mechanical drive element (6) comprises a first toothed surface (611) on a first skate (621), which slides on a first guide (631), wherein the first toothed surface ( 611) gears, as a rack, with a first toothed wheel 10 (71) on the first axle (11), wherein the first axle (11) comprises at least a second drive transmission wheel (72),
    - an electric generator (33) comprising a second axle (12) with a third input transmission wheel (73), wherein said second output transmission wheel (72) and third input transmission wheel (73) are mechanically linked by means of a transmission belt (78),
    characterized in that said first input sprocket (71) comprises a first freewheel mechanism (81) so that it transforms the reciprocating movement of the first axis (11) into rotary movement, such that the first axis (11) moves in A single direction of rotation. twenty
    2- Device for generating electricity according to claim 1, characterized in that the first support (21) comprises a third axle (13) with a fourth input transmission wheel (74) and a fifth output transmission wheel (75).
     25
    3- Device for generating electricity according to claim 2, characterized in that the second transmission transmission wheel (72) of the first axle (11) meshes with the fourth input transmission wheel (74), and wherein the fifth transmission wheel (75) output and the third input transmission wheel (73) are mechanically linked by means of a transmission belt (78), so that the output rotation speed is increased. 30
    4- Device for generating electricity according to claim 1, characterized in that it comprises a third support (23), and a fourth axis (14) supporting between the second support (22) and said third support (23).
     35
    5- Device for generating electricity according to claim 1, characterized in that said mechanical drive element (6) comprises a second toothed surface (612) on a second skate (622) that slides on a second guide (632).
    6- Device for generating electricity according to claim 5, characterized in that the second toothed surface (612) meshes, as a rack, with a sixth toothed wheel (76) on the fourth axis (14), so that the Second axis (12) presents an oscillating rotary movement.
    7- Device for generating electricity according to claim 6, characterized in that said sixth gear wheel (76) in turn meshes with a seventh input gear wheel (77) on the first axis (11).
    8- Device for generating electricity according to claim 7, characterized in that said seventh input gear (77) on the first axle (11) comprises a second freewheel mechanism (82), such that it transforms the reciprocating movement into movement rotary.
    Device for generating electricity according to claim 1, characterized in that the at least one first hydraulic piston (41) acts on at least a second hydraulic piston 20 (42) through hydraulic transmission means (5).
    10. Device for generating electricity according to claim 9, characterized in that the hydraulic transmission means (5) comprise a liquid channeled through a hose and / or pipe. 25
    11- Device for generating electricity according to claim 1, characterized in that the input actuator (31) is an electric actuator that exerts a linear output force.
    12- Device for generating electricity according to claim 1, characterized in that the input actuator (31) is a mechanical actuator that converts an input sway force into a linear output force.
    13- Device for generating electricity according to claim 12, characterized in that the input reciprocating force is produced by an auxiliary device (9) comprising:
    - a second input actuator (32) which acts on at least a first hydraulic piston (41), said at least a first hydraulic piston (41) acts on at least a second hydraulic piston (42),
    - at least a first shaft (11) between a first support (21) and a second support (22), wherein said second hydraulic piston (42) pushes a mechanical propeller element (6), which comprises a plurality of surfaces toothed on a plurality of skates that slide on a plurality of guides, wherein the plurality of toothed surfaces mesh, as a rack, with a plurality of input sprockets on the first axis (11),
    - at least one second transmission wheel (72) on the first axle (11), 10
    - a second axle (12) with a third input drive wheel (73),
    - a gear train (7) between the second drive transmission wheel (72) of the first axle (11) and the third drive transmission wheel (73) of the second axle (12).
    14. Device for generating electricity according to claim 13, characterized in that the gear train (7) sits on a third axle (13) with at least a fourth input transmission wheel (74) and a fifth transmission wheel ( 75) output.
    15. Device for generating electricity according to claim 14, characterized in that the second input actuator (32) is an electric actuator that exerts a linear force of 20 output.
    16- Device for generating electricity according to claim 1, characterized in that the hydraulic piston comprises a water circuit in its outer wall, as a cooling jacket. 25
    17- Device for generating electricity according to claim 10, characterized in that the hydraulic liquid is oil.
    18- Device for generating electricity according to claim 10, characterized in that the pipe is made of steel
    19- Device for generating electricity according to claims 1 or 2, characterized in that the second transmission wheel (72) and / or third transmission wheel (73) and / or fourth transmission wheel (74) and / or fifth transmission wheel (75), comprise a plurality of teeth in its periphery.
    20- Device for generating electricity according to claims 1 or 2, characterized in that the second transmission wheel (72) and / or third transmission wheel (73) and / or 5 fourth transmission wheel (74) and / or fifth wheel of Transmission (75), are a pulley.
    21- Device for generating electricity according to claim 2, characterized in that the second transmission wheel (72), the fourth transmission wheel (74), the fifth transmission wheel (75) and the third transmission wheel (73) are replaced for a group 10 multiplier.
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    引用文献:
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    FR2501320A1|1981-03-04|1982-09-10|Bezard Auguste|Reciprocating to rotating motion converter - has two freewheel gears and two reciprocated drive racks to rotate output shaft|
    DE4216989A1|1992-05-22|1993-11-25|Gottfried Baehr|High torque engine system - uses several rotary piston cylinders rotated by shifting together steep threads|
    WO2012033398A1|2010-09-09|2012-03-15|Amcorp Sendirian Berhad|Energy conversion device|
    US20120205916A1|2011-02-10|2012-08-16|Vuong Anh|Apparatus for generating energy using mechanical energy and gravitational energy|
    KR20140024096A|2012-08-20|2014-02-28|김태우|Rotation power generation apparatus using gravity|
    WO2015040340A1|2013-09-23|2015-03-26|Pellegrin, Philippe|Gravity rotation device|CN109281714A|2018-09-14|2019-01-29|姚裕明|A kind of gravity circulation transmission device|
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    ES201630090A|ES2568518B2|2016-01-26|2016-01-26|Device to generate electricity|ES201630090A| ES2568518B2|2016-01-26|2016-01-26|Device to generate electricity|
    PCT/ES2017/070025| WO2017129843A1|2016-01-26|2017-01-17|Device for generating electricity|
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