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  2. Hydraulic ram - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_ram

    The hydraulic ram is sometimes used in remote areas, where there is both a source of low-head hydropower and a need for pumping water to a destination higher in elevation than the source. In this situation, the ram is often useful, since it requires no outside source of power other than the kinetic energy of flowing water.

  3. Hydraulic pump - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_pump

    Fluid flow in an external gear pump. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. They generate flow with enough power to overcome pressure induced by a ...

  4. Car hydraulics - Wikipedia

    en.wikipedia.org/wiki/Car_hydraulics

    The cylinders are used to establish compression pressure of the oil, fluid being supplied by the pump, to push the automobile up. [7] The motion of car is defined by the number of cylinder pumps installed in the vehicle. The number and placement of the pumps determines the range of motion the automobile has. A hydraulic dump valve called a ...

  5. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    An exploded view of an external gear pump. Hydraulic pumps supply fluid to the components in the system. Pressure in the system develops in reaction to the load. Hence, a pump rated for 5,000 psi is capable of maintaining flow against a load of 5,000 psi. Pumps have a power density about ten times

  6. 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]

  7. Gear pump - Wikipedia

    en.wikipedia.org/wiki/Gear_pump

    Oil pump from a scooter engine. A gear pump uses the meshing of gears to pump fluid by displacement. [1] They are one of the most common types of pumps for hydraulic fluid power applications. The gear pump was invented around 1600 by Johannes Kepler. [2] Gear pumps are also widely used in chemical installations to pump high-viscosity fluids.

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