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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.
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[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.
Gas cushion (spring) pre-filled accumulators of liquids are called hydropneumatic accumulators. "Hydro" because a liquid (like water) is involved. "Pneumatic" because a gas (like air) is involved. "Accumulator" because the purpose is to store or accumulate liquid volume by easy compression of the gas.
Hydraulics and other studies [1] An open channel, with a uniform depth. Open-channel hydraulics deals with uniform and non-uniform streams. Illustration of hydraulic and hydrostatic, from the "Table of Hydraulics and Hydrostatics", from Cyclopædia, or an Universal Dictionary of Arts and Sciences, edited by Ephraim Chambers, 1728, Vol. 1
A hydraulic ram pump, ram pump, or hydram is a cyclic water pump powered by hydropower.It takes in water at one "hydraulic head" (pressure) and flow rate, and outputs water at a higher hydraulic head and lower flow rate.
The company was set up by an Act of Parliament (the London Hydraulic Power Act 1884), sponsored by railway engineer Sir James Allport, [1] [a] to install a network of high-pressure cast iron water mains under London.
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