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Advantages of Lightweight Composite Accumulators. ROCKY MOUNTAIN SAMPE MEETING MARCH 20, 2014. Kaushik Mallick. Energy Storage Devices. Accumulators. Energy storage device Dual port with at least one large port opening Bladder inside a pressure vessel Gas inside bladder

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Advantages of Lightweight Composite Accumulators

ROCKY MOUNTAIN SAMPE MEETING

MARCH 20, 2014

Kaushik Mallick



Accumulators
Accumulators

  • Energy storage device

  • Dual port with at least one large port opening

  • Bladder inside a pressure vessel

  • Gas inside bladder

  • Hydraulic fluid outside bladder

  • Valves


Applications
Applications

  • Pulsation damping (Pumps)

  • Blow-out preventer (Oil & Gas)

  • Platform stabilization (Oil & Gas)

  • Shock absorption (Coal crusher)

  • Force equilibrium (Injection molding machine)

  • Energy Storage for emergency (Airplanes)

  • Wind turbine blade pitching (Wind Energy)

  • Peak load sharing (Grid Energy)

  • Hydraulic controls (Earth Moving Equipment)



Our market focus
Our Market Focus

  • Hydraulic Hybrids


Why composite
Why Composite?

Spherical Pressure Vessel

Wall thickness,

Mass,

where, = Specific strength

and density

under which the fiber will be broken by its own weight



Comparison
Comparison

Range

Acceleration



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