Patent ID: 11920569
Assignee: ENERGY VAULT, INC.
Field: Handling (Mechanical engineering)
Classification: CPC B  F | IPC F

Claim 0:
1. An energy storage and delivery system, comprising:
a motor-generator;
an elevator shaft;
an elevator movably disposed in the elevator shaft, the elevator configured to support one or more blocks to move the one or more blocks along an elevator shaft; and
a winch assembly coupled to the motor-generator, the winch assembly comprising:
a plurality of planetary gears, the plurality of planetary gears comprising a first set of planetary gears and a second set of planetary gears;
one or more brake discs, wherein the one or more brake discs are coupled to the first set of planetary gears;
a plurality of brakes, the plurality of brakes comprising a first brake, a second brake, and a third brake;
a cable, wherein the cable is coupled to the elevator; and
a spool coupled to the cable, the spool being operable to reel in or reel out the cable;

wherein the first brake is operable to engage the one or more brake discs;
wherein the second brake is operable to engage the first set of planetary gears;
wherein the third brake is operable to engage the second set of planetary gears.