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2. HYDAC (company) - Wikipedia

   en.wikipedia.org/wiki/HYDAC_(company)

   HYDAC is a German company group that specializes in the production and distribution of components and systems as well as services related to hydraulics and fluidics. Hydac is constituted of 15 legal entities, [ 2 ] all of which are GmbHs , companies with limited liabilities.

3. Hydraulic accumulator - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_accumulator

   [note 1] An accumulator enables a hydraulic system to cope with extremes of demand using a less powerful pump, to respond more quickly to a temporary demand, and to smooth out pulsations. It is a type of energy storage device. Compressed gas accumulators, also called hydro-pneumatic accumulators, are by far the most common type.

4. Category:Hydraulic accumulators - Wikipedia

   en.wikipedia.org/.../Category:Hydraulic_accumulators

   HYDAC (company) Hydraulic engine house, Bristol Harbour ... Accumulator tower; W. Wallasey Central Hydraulic Tower This page was last edited on 1 October 2017, at 18: ...

5. Active heave compensation - Wikipedia

   en.wikipedia.org/wiki/Active_heave_compensation

   Active heave compensation (AHC) is a technique used on lifting equipment to reduce the influence of waves upon offshore operations. AHC differs from Passive Heave Compensation by having a control system that actively tries to compensate for any movement at a specific point, using power to gain accuracy.

6. Blowout preventer - Wikipedia

   en.wikipedia.org/wiki/Blowout_preventer

   A typical subsea deepwater blowout preventer system includes components such as electrical and hydraulic lines, control pods, hydraulic accumulators, test valve, kill and choke lines and valves, riser joint, hydraulic connectors, and a support frame. Two categories of blowout preventer are most prevalent: ram and annular. BOP stacks frequently ...

7. Hydropneumatic device - Wikipedia

   en.wikipedia.org/wiki/Hydropneumatic_device

   Hydropneumatic accumulators or pulsation dampeners are devices which prevent, but do not absorb, alleviate, arrest, attenuate, or suppress a shock that already exists, meaning that these devices prevent the creation of a shock wave at an otherwise earlier stage.