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2. 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 ).

3. Jiggle syphon - Wikipedia

   en.wikipedia.org/wiki/Jiggle_syphon

   The jiggle pump consists of a chamber, in line with the end of the pipe that sits in the liquid to be moved. The chamber is somewhat wider than the pipe, and narrows to approximately the pipe diameter at both ends. One end attaches to the pipe, the other end is open to the liquid.

4. Piston pump - Wikipedia

   en.wikipedia.org/wiki/Piston_pump

   Force pump. In a lift pump, the upstroke of the piston draws water, through a valve, into the lower part of the cylinder. On the downstroke, water passes through valves set in the piston into the upper part of the cylinder. On the next upstroke, water is discharged from the upper part of the cylinder via a spout.

5. Siphon - Wikipedia

   en.wikipedia.org/wiki/Siphon

   An anti-siphon valve is also required here to prevent pressure drops in the water supply line from suctioning water out of the toilet tank (which may contain additives such as "toilet blue" [53]) and contaminating the water system. Anti-siphon valves function as a one-direction check valve. Anti-siphon valves are also used medically.

6. Piston - Wikipedia

   en.wikipedia.org/wiki/Piston

   A few designs use a 'fully floating' design that is loose in both components. All pins must be prevented from moving sideways and the ends of the pin digging into the cylinder wall, usually by circlips. Gas sealing is achieved by the use of piston rings. These are a number of narrow iron rings, fitted loosely into grooves in the piston, just ...

7. Scotch yoke - Wikipedia

   en.wikipedia.org/wiki/Scotch_yoke

   Piston water pump, with a scotch yoke connection to its flywheel. This setup is most commonly used in control valve actuators in high-pressure oil and gas pipelines.. Although not a common metalworking machine nowadays, crude shapers can use Scotch yokes.