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2. Underground pneumatic boring - Wikipedia

   en.wikipedia.org/wiki/Underground_pneumatic_boring

   A piercing tool uses compressed air to bore through the ground. Manufacturers have proprietary standards and control mechanisms. Compressed air is run to the piercing tool through a pneumatic hose. Additionally an oiler attachment is used to send oil along with the compressed air, similar to a jackhammer. Inside the piercing tool is a piston. A ...

3. Airlift pump - Wikipedia

   en.wikipedia.org/wiki/Airlift_pump

   1. air supply 2. liquid supply 3. air inlet port 4. air supply line 5. air port 6. air outlet 7. fluid intake 8. riser tube 9. air liquid mixture 10. pump outlet L: liquid, usually wastewater LL: liquid level V: Vessel G: Gravel or solids. An airlift pump is a pump that has low suction and moderate discharge of liquid and entrained solids. The ...

4. Air compressor - Wikipedia

   en.wikipedia.org/wiki/Air_compressor

   Air compressor supplies air into a nail gun.. An air compressor is a machine that takes ambient air from the surroundings and discharges it at a higher pressure. It is an application of a gas compressor and a pneumatic device that converts mechanical power (from an electric motor, diesel or gasoline engine, etc.) into potential energy stored in compressed air, which has many uses.

5. Centrifugal-type supercharger - Wikipedia

   en.wikipedia.org/wiki/Centrifugal-type_supercharger

   At this point, the supercharger powers an impeller – or small rotating wheel. The impeller draws air into a small compressor housing (volute) and centrifugal force sends the air into the diffuser. The result is air that is highly pressurized, but that travels at low speed. [8]

6. Centrifugal compressor - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_compressor

   The simplest inlet to a centrifugal compressor is typically a simple pipe. Depending upon its use/application inlets can be very complex. They may include other components such as an inlet throttle valve, a shrouded port, an annular duct (see Figure 1.1), a bifurcated duct, stationary guide vanes/airfoils used to straight or swirl flow (see Figure 1.1), movable guide vanes (used to vary pre ...

7. Rotary-screw compressor - Wikipedia

   en.wikipedia.org/wiki/Rotary-screw_compressor

   Principal view of the pumping action of a twin-screw pump with a six-lobe female screw and a five-lobe male screw. A compressor (as opposed to a pump) would be shaped the same way, except that the shape of the lobes would change along the length of the screw, so that the volume of the trapped pockets would get squeezed smaller as they get closer to the exhaust port.