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  2. Lobe pump - Wikipedia

    en.wikipedia.org/wiki/Lobe_pump

    A lobe pump, or rotary lobe pump, is a type of positive displacement pump. It is similar to a gear pump except the lobes are designed to almost meet, rather than touch and turn each other. An early example of a lobe pump is the Roots Blower , patented in 1860 [ 1 ] to blow combustion air to melt iron in blast furnaces, but now more commonly ...

  3. Comparison of pumps - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_pumps

    Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

  4. Roots blower - Wikipedia

    en.wikipedia.org/wiki/Roots_blower

    Because rotary lobe pumps need to maintain a clearance between the lobes, a single stage Roots blower can pump gas across only a limited pressure differential. If the pump is used beyond its specification, the compression of the gas generates enough heat so that the lobes expand to the point that they jam, damaging the pump.

  5. Pump - Wikipedia

    en.wikipedia.org/wiki/Pump

    Rotary-type positive displacement: internal and external gear pump, screw pump, lobe pump, shuttle block, flexible vane and sliding vane, circumferential piston, flexible impeller, helical twisted roots (e.g. the Wendelkolben pump) and liquid-ring pumps; Reciprocating-type positive displacement: piston pumps, plunger pumps and diaphragm pumps

  6. Category:Pumps - Wikipedia

    en.wikipedia.org/wiki/Category:Pumps

    Pages in category "Pumps" The following 127 pages are in this category, out of 127 total. ... Liquid-ring pump; Lobe pump; M. Marine pump; MatC family; N. Noria; P ...

  7. Drunk grandma stabs daughter, grandson during Thanksgiving ...

    www.aol.com/drunk-grandma-stabs-daughter...

    Lachunda Johnson, 55, of Memphis, had been drinking heavily before she grabbed the blade and charged her daughter after her daughter yelled at her for pushing her grandson at about 3 p.m. on Nov ...

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