Patent ID: 11870253
Assignee: POWER8 TECH. INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC H  F  Y | IPC F  H

Claim 26:
27. An energy storage system comprising:
a first container forming a first space to store an initial gas;
a second container connected to one side of the first container and having a second space to store an initial liquid;
when in a first operation mode of the energy storage system, a working fluid is injected into the second space, so that the working fluid drives the initial liquid to flow toward the first space, and further continuously compresses the initial gas in the first space until the initial gas in the first space reaches a predetermined pressure, thereby enabling the first container to store a first pressure energy;
when in a second operation mode, the initial gas continuously expands to drive the initial liquid to discharge, so as to convert the first pressure energy to a second pressure energy for driving a converter to generate electricity;
a maintenance pipe disposed between the first container and the second container, wherein the first space is connected to the second space when the maintenance pipe is opened, and the first space is blocked from connecting to the second space when the maintenance pipe is closed.