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  2. Hydraulic pump - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_pump

    A hydraulic pump is a mechanical source of power that converts mechanical power ... These pumps can in general work with a working pressure of up to 350–420 bars in ...

  3. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    Common types of hydraulic pumps to hydraulic machinery applications are: Gear pump: cheap, durable (especially in g-rotor form), simple. Less efficient, because they are constant (fixed) displacement, and mainly suitable for pressures below 20 MPa (3000 psi). Vane pump: cheap and simple, reliable. Good for higher-flow low-pressure output.

  4. Hydraulic ram - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_ram

    A hydraulic ram pump, ram pump, or hydram is a cyclic water pump powered by hydropower. ... Although the pump could in theory work without it, the efficiency would ...

  5. Hydraulic motor - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_motor

    However, many hydraulic pumps cannot be used as hydraulic motors because they cannot be backdriven. Also, a hydraulic motor is usually designed for working pressure at both sides of the motor, whereas most hydraulic pumps rely on low pressure provided from the reservoir at the input side and would leak fluid when abused as a motor. [1]

  6. Archimedes' screw - Wikipedia

    en.wikipedia.org/wiki/Archimedes'_screw

    It is a reversible hydraulic machine that can be operated both as a pump or a power generator. As a machine used for lifting water from a low-lying body of water into irrigation ditches, water is lifted by turning a screw-shaped surface inside a pipe. In the modern world, Archimedes screw pumps are widely used in wastewater treatment plants and ...

  7. Pump - Wikipedia

    en.wikipedia.org/wiki/Pump

    The common hand soap dispenser is such a pump. Radial piston pump – a form of hydraulic pump where pistons extend in a radial direction. Vibratory pump or vibration pump – a particularly low-cost form of plunger pump, popular in low-cost espresso machines. [15] [16] The only moving part is a spring-loaded piston, the armature of a solenoid.