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2. Diaphragm pump - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_pump

   The basic working principle of an air-operated double diaphragm pump. Cross-section sketch of diaphragm fuel pump Air-operated double diaphragm pump. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve ...

3. Glossary of oilfield jargon - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_oilfield_jargon

   Drill string: A column, or string, of pipe that transmits drilling fluid (via the mud pumps) and torque (from the Kelly drive or top drive) to the drill bit. Driller: The crew supervisor on a drilling rig, working under the toolpusher.

4. Diaphragm (mechanical device) - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_(mechanical_device)

   A diaphragm pump uses a diaphragm to pump a fluid. A typical design is to have air on one side constantly vary in pressure, with fluid on the other side. The increase and decrease in volume caused by the action of the diaphragm alternately forces fluid out the chamber and draws more fluid in from its source.

5. Reciprocating pump - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_pump

   Reciprocating pump attached to a Windmill on a farm. A reciprocating pump is a class of positive-displacement pumps that includes the piston pump, plunger pump, and diaphragm pump. Well maintained, reciprocating pumps can last for decades. Unmaintained, however, they can succumb to wear and tear.

6. Air pump - Wikipedia

   en.wikipedia.org/wiki/Air_pump

   When the diaphragm is decompressed, the chamber refills with air. A simple example for a diaphragm pump is a foot pump that requires the user to constantly step up and down on the pump to inflate something. [11] [12] Engine-driven tire pump. Several companies developed engine-driven tire pumps in the brass era of the automobile. Reciprocating Pumps

7. TKer: Wall Street strategists nailing one of their more ... - AOL

   www.aol.com/finance/tker-wall-street-strategists...

   From AAA: "At the pump, the national average for a gallon of gas dropped two cents since last week to $3.06 – matching the January 2024 low. There are now 28 states with averages below $3."