How does the oil research plunger pump work?

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Oil research plunger pumps have a history of several decades, and their popularity is due to two main reasons: 1) they do not require external energy – the force of flowing water provides them with the necessary energy. 2. Their mechanism is extremely simple, with only two moving parts. The basic principle of the Nissei plunger pump is very simple. This type of pump uses the momentum of relatively large volumes of moving water to pump smaller volumes of water upward. To use an oil research plunger pump, a water source must be located above the water pump. For example, there should be a pond on the hillside, so that a water pump can be installed underneath it. Use a hose to draw water from the pond to the water pump. The water pump has a valve that allows water to pass through the pipes and accelerates the flow of water. 1. When the water reaches its maximum speed, the valve closes. 2. After the valve is closed, the flowing water generates tremendous pressure inside the pump due to inertia. 3. The pressure opened the second valve. 4. The high-pressure water passes through the second valve and flows into the water delivery pipe (this pipe usually has an air chamber to accommodate as much high-pressure water as possible when water rushes in). 5. At this point, the pressure inside the pump decreases. The first valve opens again to allow water to flow and momentum to build up once more. And the second valve closes. 6. And this repeats over and over again. A water conveyance pipe can lift water to a height higher than that of the pump and the water source. For example, if the pump is 3 meters below the pond, the outlet of the water pipe can be 30 meters above the pump. It can be seen that the Nissei plunger pump has a major drawback: it wastes a large amount of water. Typically, of the water consumed by such water pumps, only about 10% actually flows upward through the delivery pipes. The remaining water flowed out of the pump as it gained momentum. The Nishikin plunger pump has nothing magical about it. We can use another design approach to achieve the same function: 1. The water flowing from the pond drives a water wheel. 2. The water wheel is connected to a conventional shaft-driven water pump (or reciprocating pump, centrifugal pump, etc.). 3. This water pump is used to pump water to a higher place. This design has more moving parts, but it can perform the same functions, and it can be easily scaled up or down to any size. It can be seen that people have had the idea of utilizing the energy of flowing water for a very long time!