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  2. Submersible pump - Wikipedia

    en.wikipedia.org/wiki/Submersible_pump

    A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

  3. Bharat Pumps & Compressors - Wikipedia

    en.wikipedia.org/wiki/Bharat_Pumps_&_Compressors

    On the 28th of September 2016, the Government of India announced the privatization of Bharat Pumps & Compressors. [1] On 17 April 2018 the Government of India issued an Expression of Interest for a 100% stake in Bharat Pumps & Compressors. [2] On the 14th of Jan 2021, the Government of India announced the liquidation of Bharat Pumps ...

  4. Bangladesh Petroleum Corporation - Wikipedia

    en.wikipedia.org/wiki/Bangladesh_Petroleum...

    The company feared the low price on domestic market might lead to losses for the company and encourage the smuggling of oil in the border areas with India. [7] [8] In 2020, the Government of Bangladesh changed the law to require state owned enterprises to deposit surplus or idle funds to the national treasury. [9]

  5. India Mark II - Wikipedia

    en.wikipedia.org/wiki/India_Mark_II

    The India Mark II is a human-powered pump designed to lift water from a depth of 50–80 m. [1] The Mark II is world's most widely used water handpump. [ 2 ] The pump was designed in the 1970s to serve village water needs in developing countries and rural areas.

  6. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    In parts of Britain and Ireland, it was often called the parish pump. Though such community pumps are no longer common, people still used the expression parish pump to describe a place or forum where matters of local interest are discussed. [3] Because water from pitcher pumps is drawn directly from the soil, it is more prone to contamination.

  7. Treadle pump - Wikipedia

    en.wikipedia.org/wiki/Treadle_Pump

    A treadle pump is a human-powered suction pump that sits on top of a well and is used for irrigation. [1] It is designed to lift water from a depth of seven metres or less. The pumping is activated by stepping up and down on a treadle , which are levers, which drive pistons, creating cylinder suction that draws groundwater to the surface.

  8. Turbomolecular pump - Wikipedia

    en.wikipedia.org/wiki/Turbomolecular_pump

    Typically, this backing pressure is below 0.1 mbar and commonly about 0.01 mbar. The backing pressure is rarely below 10 −3 mbar (mean free path ≈ 70 mm) because the flow resistance of the vacuum pipe between the turbopump and the roughing pump becomes significant. The turbomolecular pump can be a very versatile pump.

  9. 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 ...