air-lift pump meaning
[Architecture]

A type of pump for raising water from a well, consisting of a pipe which surrounds another of smaller diameter; compressed air is injected into the smaller pipe, causing water to rise up the larger pipe.

air-lift pump
[Mechanical engineering]
"A device composed of two pipes, one inside the other, used to extract water from a well, the lower end of the pipes is submerged, and air is delivered through the inner pipe to form a mixture of air and water which rises in the outer pipe above the water"
- pohl?air lift pump: [Mechanical engine ...
- saunders air-lift pump: [Mechanical engine ...
- lift pump: Noun: lift pump&nb ...