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2. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   Momentum transfer pump A cutaway view of a turbomolecular high vacuum pump. In a momentum transfer pump (or kinetic pump), gas molecules are accelerated from the vacuum side to the exhaust side (which is usually maintained at a reduced pressure by a positive displacement pump). Momentum transfer pumping is only possible below pressures of about ...

3. Pump - Wikipedia

   en.wikipedia.org/wiki/Pump

   Pump. A small, electrically powered pump. A large, electrically driven pump for waterworks near the Hengsteysee, Germany. A pump is a device that moves fluids ( liquids or gases ), or sometimes slurries, [1] by mechanical action, typically converted from electrical energy into hydraulic energy. Mechanical pumps serve in a wide range of ...

4. Drum pump - Wikipedia

   en.wikipedia.org/wiki/Drum_pump

   Drum pump. Drum pump, barrel pump, and transfer pump refer to pumps that are used to empty barrels, tanks, IBCs and drums. [1] Many liquids used on manufacturing and processing plants are delivered in 100 or 200 litre barrels and are too heavy to tip to empty the liquids inside. Drum pumps range from simple siphon based devices to sophisticated ...

5. Progressing cavity pump - Wikipedia

   en.wikipedia.org/wiki/Progressing_cavity_pump

   Progressing cavity pump. A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump or cavity pump. It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned.

6. Fluid coupling - Wikipedia

   en.wikipedia.org/wiki/Fluid_coupling

   Fluid coupling. Daimler car fluid flywheel of the 1930s. A fluid coupling or hydraulic coupling is a hydrodynamic or 'hydrokinetic' device used to transmit rotating mechanical power. [1] It has been used in automobile transmissions as an alternative to a mechanical clutch.

7. Comparison of pumps - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_pumps

   Comparison of pumps. This article lists different types of pump and provides a comparison of certain key design features. 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 ...