OSCILLATORY MECHANISM WITH SIMULTANEOUS CROSS CENTRIFUGATION, MACHINE AND METHOD OF IMPLEMENTATION

Abstract

The present invention relates to a mechanism (1), comprising: a base (2); a balance wheel (6) mounted to tilt relative to the base (2) about a balance wheel axis (a0); a first eccentric element (10) generating a first moment (m1) of gravitational force (p1) about a first axis (a1); a second eccentric element (20) generating a second moment (m2) of gravitational force (p2) about a second axis (a2); and a synchronization system (8) of the first eccentric element (10) and the second eccentric element (20) according to a synchronized counter-rotating rotational movement (r1; r2); in which: the balance wheel axis (a0) and the axes (a1; a2) of the eccentric elements (10; 20) are parallel and arranged in the same plane (p0) fixed to the balance wheel (6); the axes (a1; a2) of the eccentric elements (10; 20) are supported by the balance wheel (6), respectively above and below the balance wheel axis (a0);and when the mechanism (1) is in operation: the eccentric elements (10; 20) are mobile in synchronized counter-rotating rotation (r1; r2), with cross centrifugations, the balance wheel (6) tilts alternately (b1; b2) from one side to the other, amplifying the rotational movement (r1; r2) of the eccentric elements (10; 20), by simultaneous cross thrusts of the balance wheel (6) on the axes (a1; a2) of said eccentric elements (10; 20), and by transmission of torque to the synchronization system (8), and the energy generated by centrifugation within the mechanism (1) is recoverable by coupling an energy recovery system (80) to the synchronization system (8).

Description

(6) on the axes (Al; A2) of said eccentric elements (10; 20), and by torque transmission to the synchronization system (8), and the energy generated by centrifugation within the mechanism (1) is recoverable by coupling an energy recovery system (80) to the synchronization system (8).

Claims

Demands 1. Mechanism (1), comprising: - a base (2); - a pendulum (6) mounted tilting relative to the base (2) around a pendulum axis (AO); - a first eccentric element (10) generating a first moment (Ml) of gravitational force (PI) around a first axis (Al); - a second eccentric element (20) generating a second moment (M2) of gravitational force (P2) around a second axis (A2); and - a synchronization system (8) of the first eccentric element (10) and the second eccentric element (20) according to a synchronized counter-rotating rotational movement (RI; R2); in which: the balance axis (AO) and the axes (Al ; A2) of the eccentric elements (10 ; 20) are parallel and arranged in the same plane (PO) fixed to the balance (6); - the axes (Al; A2) of the eccentric elements (10; 20) are supported by the rocker arm (6); and - when mechanism (1) is in operation: - the axes (Al; A2) of the eccentric elements (10; 20) are supported by the balance wheel (6), respectively above and below the balance wheel axis (AO); - the eccentric elements (10; 20) are mobile in synchronized counter-rotating rotation (RI; R2), with crossed centrifugations, - the balance wheel (6) alternately tilts (B1; B2) from one side to the other, amplifying the rotational movement (RI; R2) of the eccentric elements (10; 20), by simultaneous cross-thrusts of the balance wheel (6) on the axes (A1; A2) of said eccentric elements (10; 20), and by transmission of torque to the synchronization system (8), and - the energy generated by centrifugation within the mechanism (1) is recoverable by coupling an energy recovery system (80) to the synchronization system (8).

2. Mechanism (1) according to claim 1, characterized in that the axes (A1; A2) of the eccentric elements (10; 20) are positioned at an equidistance from the balance shaft axis (AO).

3. Mechanism (1) according to any one of the preceding claims 1 or 2, characterized in that the eccentric elements (10; 20) have an overall increasing cross-section as they move away from the axis (Al; A2) of rotation (RI; R2).

4. Mechanism (1) according to any one of the preceding claims 1 to 3, characterized in that the eccentric elements (10; 20) are arranged such that when the mechanism (1) is in operation, the eccentric elements (10; 20) cross in the high position and in the low position.

5. Mechanism (1) according to any one of the preceding claims 1 to 3, characterized in that the eccentric elements (10; 20) are arranged such that when the mechanism (1) is in operation, the eccentric elements (10; 20) cross in left lateral position and in right lateral position.

6. Mechanism (1) according to any one of the preceding claims 1 to 5, characterized in that a counterweight (68) is fixed in the lower part of the rocker arm (6) and amplifies its alternating tilting (B1; B2) from one side to the other, which amplifies the thrusts simultaneous crossing of the balance wheel (6) on the axes (Al; A2) of the eccentric elements (10; 20) and the transmission of torque to the synchronization system (8).

7. Mechanism (1) according to any one of the preceding claims 1 to 6, characterized in that it comprises a locking system (40) actuable between: - a configuration for locking the eccentric elements (10; 20) in the raised position, preventing them from describing the synchronized counter-rotating (RI; R2) rotational movement; and - a configuration for releasing the eccentric elements (10; 20), allowing them to describe the synchronized counter-rotating rotational movement (RI; R2) 8. Mechanism (1) according to claim 7, characterized in that the locking system (40) comprises a pivoting hook (41) mounted on the rocker (6) and a hooking element (42) integral with one of the eccentric elements (10; 20).

9. Mechanism (1) according to any one of the preceding claims 1 to 8, characterized in that the synchronization system (8) comprises gear wheels (12, 13; 22, 23; 33, 34).

10. Mechanism (1) according to any one of the preceding claims 1 to 9, characterized in that the synchronization system (8) comprises: - a first support shaft (11) mounted to pivot on the rocker arm (6), centered on the first axis (Al) and fixed to the first eccentric element (10), - a second support shaft (21) mounted to pivot on the rocker arm (6), centered on the second axis (A2) and integral with the second eccentric element (20), - a first central gear (12) and a first intermediate gear (13) fixed to the first support shaft (11), the first central gear (12) having a diameter and a number of teeth twice those of the first intermediate gear (13), - a second central gear (22) and a second intermediate gear (23) fixed to the second support shaft (21), the second central gear (22) meshing with the first central gear (12), the second central gear (22) having a diameter and number of teeth equal to those of the first central gear (12) and double those of the second intermediate gear (23), - a first lateral shaft (31) and a second lateral shaft (32) centered on the balance shaft axis - a first lateral gear (33) fixed to the first lateral shaft (31) and meshing with the first intermediate gear (13), - a second lateral gear (34) fixed to the second lateral shaft (32) and meshing with the second intermediate gear (23), where either the first lateral shaft (31) or the second lateral shaft (32) is intended to be coupled to the energy recovery system (80).

11. Mechanism (1) according to any one of claims 9 or 10, characterized in that during a rotation (RI; R2) of 350° of the eccentric elements (10; 20), between two tilts of the balance wheel (6), the toothed wheels (12, 13, 22, 23; 33, 34) receive the torque by being held in a vise between the thrusts of the balance wheel (6) and the rotation (RI; R2) of the eccentric elements (10; 20), the torque propelling the eccentric elements (10; 20) downwards by accelerating them, then upwards by opposing the gravitational forces (P1; P2).

12. Mechanism (1) according to any one of the preceding claims 1 to 11, characterized in that the eccentric elements (10; 20) are shaped like wind turbine blades.

13. Machine, characterized in that it comprises: - at least one mechanism (1) according to any one of the preceding claims 1 to 12, and - an energy recovery system (80) coupled to the synchronization system (8).

14. Machine according to claim 13, characterized in that it comprises at least one pair of mechanisms (1) coupled in parallel or in series, whose rockers (6) tilt alternately (B1; B2) in a contra-rotating manner.

15. A method for implementing a mechanism (1) according to any one of claims 1 to 12, characterized in that the method comprises: - a start-up step, consisting of imparting to the eccentric elements (10; 20) a synchronized counter-rotating rotational movement (RI; R2); - an operating phase, during which: - the eccentric elements (10; 20) are mobile in synchronized counter-rotating rotation (RI; R2), with crossed centrifugations, - the balance wheel (6) alternately tilts (B1; B2) from one side to the other, amplifying the rotational movement (RI; R2) of the eccentric elements (10; 20), by simultaneous cross-thrusts of the balance wheel (6) on the axes (A1; A2) of said eccentric elements (10; 20), and by torque transmission to the synchronization system (8), and - an energy recovery system (80) coupled to the synchronization system (8) recovers the energy generated by centrifugation within the mechanism (1); - if necessary during the operating phase, restart steps consisting of giving new impetus to the eccentric elements (10; 20) in their synchronized counter-rotating rotational movement (RI; R2); and in that the energy recovered by the energy recovery system (80) is greater than the energy expended during the start-up stage and the restart stages.