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  2. Humphrey pump - Wikipedia

    en.wikipedia.org/wiki/Humphrey_Pump

    The pump was used in dry dock operations and also for experimental purposes. It was designed as a 2-stroke engine to operate in a range of head from 20 to 150 ft (6 to 46 m). The engine was installed in a 18 ft 6 (5.6 m) diameter and 50 ft (15.25 m) deep steel caisson, about 40 ft below the Delaware river.

  3. Water power engine - Wikipedia

    en.wikipedia.org/wiki/Water_power_engine

    A water power engine includes prime movers driven by water and which may be classified under three categories: [1] Water pressure motors, having a piston and cylinder with inlet and outlet valves: their action is that analogous of a steam- or gas-engine with water as the working fluid – see water engine; Water wheels [2]

  4. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    If the pump casing becomes filled with vapors or gases, the pump impeller becomes gas-bound and incapable of pumping. [10] To ensure that a centrifugal pump remains primed and does not become gas-bound, most centrifugal pumps are located below the level of the source from which the pump is to take its suction.

  5. Piston pump - Wikipedia

    en.wikipedia.org/wiki/Piston_pump

    The following diagram shows the relation between the angle of the crankshaft and the delivery rate of a single-acting and double-acting pump. The line shows the average delivery rate of the pump. These fluctuations in pressure and delivery can cause undesired effects such as water hammer and thus are generally mitigated by the installation of ...

  6. Beam engine - Wikipedia

    en.wikipedia.org/wiki/Beam_engine

    A Watt engine: showing entry of steam and water. A beam engine is a type of steam engine where a pivoted overhead beam is used to apply the force from a vertical piston to a vertical connecting rod. This configuration, with the engine directly driving a pump, was first used by Thomas Newcomen around 1705 to remove water from mines in Cornwall.

  7. Gasoline pump - Wikipedia

    en.wikipedia.org/wiki/Gasoline_pump

    A gasoline pump or fuel dispenser is a machine at a filling station that is used to pump gasoline (petrol), diesel, or other types of liquid fuel into vehicles. Gasoline pumps are also known as bowsers or petrol bowsers (in Australia and South Africa), [2] [3] petrol pumps (in Commonwealth countries), or gas pumps (in North America).

  8. Gerotor - Wikipedia

    en.wikipedia.org/wiki/Gerotor

    A gerotor / dʒ ə ˈ r oʊ t ə r / is a positive displacement pump. The name gerotor is derived from "generated rotor." A gerotor unit consists of an inner and an outer rotor. The inner rotor has n teeth, while the outer rotor has n + 1 teeth, with n defined as a natural number greater than or equal to 2. The axis of the inner rotor is offset ...

  9. Water engine - Wikipedia

    en.wikipedia.org/wiki/Water_engine

    The water engine is a positive-displacement engine, often closely resembling a steam engine with similar pistons and valves, that is driven by water pressure. The supply of water is derived from a natural head of water , the water mains , or a specialised high-pressure water supply such as that once provided by the London Hydraulic Power Company .