Device for skating and related method of functioning

1. Skating system ( 100 ) comprising two skating devices ( 1 ) and at least one remote device ( 8 ), each skating device being provided with a plurality of wheels ( 2 a , 2 b , 2 c , 2 d ) and comprising: —an electric motor ( 3 ) operatively coupled with at least one wheel ( 2 a ) of said plurality of wheels; —at least one acceleration sensor ( 4 ) operatively coupled with at least one wheel ( 2 a ) of said plurality of wheels ( 2 a , 2 b , 2 c , 2 d ); —at least one speed sensor ( 5 ) operatively coupled with at least one wheel ( 2 a ) of said plurality of wheels ( 2 a , 2 b , 2 c , 2 d ); —at least one control unit ( 6 ) adapted to actuate the operations of said electric motor ( 3 ) at least when said acceleration sensor ( 4 ) detects positive acceleration of said at least one wheel ( 2 a ), wherein the amount of electric power supplied by said electric motor to said at least one wheel ( 2 a ) is calculated according to the speed measured by said at least one speed sensor ( 5 ), at least when said acceleration sensor ( 4 ) detects said positive acceleration; means ( 7 ) for wireless connection of said control unit ( 6 ) to a remote device ( 8 ) with a dedicated application and/or to other control unit of a further skating device, a supporting frame ( 10 ), wherein said at least one electric motor ( 3 ) is arranged on said supporting frame; and one or more batteries ( 12 ) to be housed on said supporting frame for supplying power to at least said electric motor, said control unit, said speed sensor and said acceleration sensor; said two skating devices ( 1 ) being respectively combined with the right foot and the left foot of the user, wherein the wireless connection means ( 7 ) of said control unit ( 6 ) of said two skating devices ( 1 ) communicate with said remote device ( 8 ) by means of a dedicated application and/or between one another to exchange information on the status of the two devices ( 1 ), the level of the respective one or more batteries ( 12 ), the respective speed, and the thrust latency.

2. Skating system according to claim 1 , characterized in that said skating device comprises first regeneration means ( 15 ) for regenerating said one or more batteries, said first regeneration means being operatively combined with one or more of said wheels.

3. Skating system according to claim 2 , characterized in that said skating device comprises a braking system provided with second regeneration means for regenerating said one or more batteries.

4. Skating system according to claim 1 , characterized in that said skating device comprises a roller-skate.

5. Method of operation of a skating system ( 100 ) according to claim 1 , wherein said skating system comprises two skating devices ( 1 ) and at least one remote device ( 8 ) the method of operation of each skating device comprising the steps of:

a. detecting, by means of said acceleration sensor ( 4 ), the positive acceleration of at least one wheel ( 2 a ) of said skating device ( 1 );

b. measuring, by means of said speed sensor ( 5 ), the speed achieved by said skating device ( 1 ), at least when positive acceleration of said skating device is detected during said step a) of the method;

c. supplying, by means of said electric motor ( 2 ), electric power to said at least one wheel ( 2 a ), calculated according to the speed measured during said step b);

wherein said two skating devices ( 1 ) being respectively combined with the right foot and the left foot of the user, wherein the wireless connection means ( 7 ) of said control unit ( 6 ) of said two skating devices ( 1 ) communicate with said remote device ( 8 ) by means of a dedicated application and/or between one another to exchange information on the status of the two devices ( 1 ), the level of the respective one or more batteries ( 12 ), the respective speed, the thrust latency.

6. Method according to claim 5 , characterized in that said step c) is carried out only if said speed measured during said step b) falls within a predetermined speed window.

7. Method according to claim 6 , wherein said thrust intensity is selected so that to develop a torque at the electric motor so that to increase, maintain or decrease the speed of said skating device with respect to the speed measure in said step b) of the method.

8. Method according to claim 7 , wherein said thrust intensity is selected so that to develop a torque at the electric motor so that to increase, maintain or decrease the speed of said skating device with respect to the speed measured in said step b) of the method.

9. Method according to claim 5 , characterized by comprising the step of d) braking said wheeled device.

10. Method according to claim 9 , characterized by comprising the step of e) regenerating said one or more batteries during said step d) of the method.

11. Method according to claim 5 , characterized by comprising the step of e′) regenerating said one or more batteries ( 12 ) by the rotation of one or more wheels.

12. Skating system device according to claim 1 , characterized in that the thrust latency and/or thrust length and/or thrust intensity of said electric motor ( 3 ), and/or the minimum speed for actuating the operations of said electric motor are parameters the user can set.

13. Skating system device according to claim 1 , characterized in that said skating device comprises gear wheel transmission means ( 11 ) for the direct or indirect mechanical coupling between said at least one wheel ( 2 a ) and the drive shaft ( 3 a ) of said at least one electric motor ( 3 ).