Fluid Mechanics How Bladder Accumulator Works

How Bladder Accumulator Works

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Bladder Accumulator:

  • A Bladder (Compressed Gas) accumulator consists of a Cylinder with two chambers which is separated by an elastic diaphragm, a totally enclosed bladder or a floating piston.
  • One Chamber is contains hydraulic fluid and is connected to the hydraulic line. 
  • The other chamber contains an inert gas (Typically Nitrogen) under pressure that provides the compressive force on the hydraulic fluid.
  • Inert Gas Used because oxygen and oil can form an explosive mixture when combined under high pressure.
  • As the volume of the compressed gas changes, the pressure of the gas and the pressure on the fluid changes inversely.


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