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2. Gerotor - Wikipedia

   en.wikipedia.org/wiki/Gerotor

   Gerotor pumps are generally designed using a trochoidal inner rotor and an outer rotor formed by a circle with intersecting circular arcs. [1] A gerotor can also function as a pistonless rotary engine. High-pressure gas enters the intake and pushes against the inner and outer rotors, causing both to rotate as the volume between the inner and ...

3. Oil pump (internal combustion engine) - Wikipedia

   en.wikipedia.org/wiki/Oil_pump_(internal...

   Placing the oil pump low-down uses a near-vertical drive shaft, driven by helical skew gears from the camshaft. Some engines, such as the Fiat Twin Cam engine of 1964, began as OHV engines with an oil pump driven from a conventional camshaft in the cylinder block. When the twin overhead cam engine was developed, the previous oil pump ...

4. Diffusion pump - Wikipedia

   en.wikipedia.org/wiki/Diffusion_pump

   An oil diffusion pump is used to achieve higher vacuum (lower pressure) than is possible by use of positive displacement pumps alone. Although its use has been mainly associated within the high-vacuum range, down to 1 × 10 −9 mbar (1 × 10 −7 Pa), diffusion pumps today can produce pressures approaching 1 × 10 −10 mbar (1 × 10 −8 Pa) when properly used with modern fluids and accessories.

5. Viscous coupling unit - Wikipedia

   en.wikipedia.org/wiki/Viscous_coupling_unit

   The AMC Eagle's single-speed model 119 New Process central differential used a viscous coupling filled with a liquid silicone-based material. [3] It linked the front and rear differentials for quiet and smooth transfer of power to the axle with the greatest traction, on wet or dry pavement. [4]

6. 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.

7. Centrifugal pump selection and characteristics - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_pump_selection...

   The basic function of a pump is to do work on a liquid. It can be used to transport and compress a liquid. In industries heavy-duty pumps are used to move water, chemicals, slurry, food, oil and so on. Depending on their action, pumps are classified into two types — Centrifugal Pumps and Positive Displacement Pumps. While centrifugal pumps ...