Brake system for a wind turbine with integrated rotor lock generator and wind turbine
View Patent ↗A brake system for a wind turbine with integrated rotor lock, generator and wind turbine are disclosed. The brake system includes a rotor lock system which is integrated in the brake system. One embodiment includes an actuator such as a hydraulic cylinder. Another embodiment includes a rotor assembly with a brake disc.
1. A brake system for a wind turbine, comprising:
a rotor assembly comprising a brake disc with a radially inner surface;
a stator assembly;
a rotor lock system, which is integrated in the brake system, includes a plurality of recesses formed in a radially outward direction on the radially inner surface of the brake disk and includes a plurality of pistons comprised by the stator assembly, each of the plurality of pistons effective to engage in a radially inward direction with one of the plurality of recesses.
2. The brake system as claimed in claim 1 , wherein the rotor lock system comprises an automatic actuator for actuating the lock.
3. The brake system as claimed in claim 2 , wherein the automatic actuator comprises a hydraulic cylinder.
4. The brake system as claimed in claim 1 , wherein the rotor lock system comprises an automatic actuator for pushing the piston into one of the plurality of recesses.
5. The brake system as claimed in claim 1 ,
the stator assembly comprises a frictional member operatively configured for frictionally engaging at least a portion of the brake disc;
the rotor assembly comprises an outer portion located radially outward of the stator assembly, the outer portion comprises the brake disc; and
a rotation axis.
6. The brake system as claimed in claim 5 , wherein the brake disc extends radially inward from the outer portion of the rotor assembly to the rotation axis.
7. The brake system as claimed in claim 5 , wherein the stator assembly comprises a stationary shaft, and wherein the frictional member is connected to the stationary shaft.
8. The brake system as claimed in claim 5 , wherein the stator assembly comprises a bed frame of a wind turbine and wherein the frictional member is connected to the bed frame.
9. The brake system as claimed in claim 5 , wherein the stator assembly comprises a stator support structure, and wherein the frictional member is connected to the stator support structure.
10. The brake system as claimed in claim 5 , wherein the frictional member extends radially outward regarding the rotation axis.
11. The brake system as claimed in claim 5 , wherein the frictional member comprises a brake calliper.
12. The brake system as claimed in claim 5 , wherein the frictional member comprises a brake calliper system, which comprises a plurality of brake callipers located on each side of the brake disc opposite to each other.
13. The brake system as claimed in claim 1 , further comprises:
a plurality of radial segments.
14. A generator for a wind turbine, comprising:
a brake system as claimed in claim 1 .
15. The generator as claimed in claim 14 , further comprises:
a rotor; and
a stator which comprises a frictional member operatively configured for frictionally engaging at least a portion of the brake disc,
wherein a radial distance between the brake disc and the frictional member is less than a radial distance between the rotor and the stator.
16. A wind turbine, comprising:
a brake system as claimed in claim 1 .
17. The wind turbine as claimed in claim 16 , further comprising:
a generator and/or a hub,
wherein the brake system is connected to the generator and/or to the hub.