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Principle of piston accumulator

A piston accumulator is a mechanical accumulator that uses gas or liquid pressure to store and release energy. The principle is based on the compression or release of gas or liquid when the piston moves inside the container, thereby achieving energy storage and release.
The following is the working principle of a piston accumulator:
Container: A piston accumulator typically consists of a sealed container with an active piston inside.
Pistons: Pistons are moving components in an accumulator that can move along the axis inside the container. Pistons are usually made of sturdy materials to ensure they can withstand pressure and maintain a seal.
Gas or liquid medium: The piston accumulator is filled with gas or liquid medium. When the piston moves, the medium is affected by compression or release, thereby storing or releasing energy.
The working process is as follows:
Charging (energy storage) stage: When energy storage is needed, external forces or power sources will push the piston into the container, compressing the gas or liquid medium inside the container. As the pressure increases, the energy in the medium also increases, thereby storing energy in the accumulator.
Energy release stage: When the stored energy needs to be released, the piston is released or pushed by external forces, causing it to move from the container. This will reduce the pressure inside the container, causing the gas or liquid medium to release stored energy. This process can drive the equipment or mechanical work connected to the accumulator to complete the required tasks.
The advantages of piston accumulator include simple structure, reliable operation, fast response speed, etc. Therefore, it has a wide range of applications in some fields, such as hydraulic systems, air compression systems, industrial machinery, etc.



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