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Hand pump. Animation of a suction hand pump. On the up stroke of the piston the foot valve opens and suction brings water into the pump head. On the following down stroke of the piston the valve on the piston opens up and allows water to flow above the piston. On the successive up stroke of the piston water is pushed out of the outlet.
The India Mark II is a human-powered pump designed to lift water from a depth of 50–80 m. [ 1] The Mark II is world's most widely used water handpump. [ 2] The pump was designed in the 1970s to serve village water needs in developing countries and rural areas. The pump is installed on top of a drilled well or borehole and lifts water from the ...
The Pulsometer steam pump is a pistonless pump which was patented in 1872 [1] by American Charles Henry Hall. In 1875 a British engineer bought the patent rights of the Pulsometer [2] and it was introduced to the market soon thereafter. The invention was inspired by the Savery steam pump invented by Thomas Savery.
Water pumping. The pumping of water is a basic and practical technique, far more practical than scooping it up with one's hands or lifting it in a hand-held bucket. This is true whether the water is drawn from a fresh source, moved to a needed location, purified, or used for irrigation, washing, or sewage treatment, or for evacuating water from ...
4. spring. A rotary vane pump is a type of positive-displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity. In some cases, these vanes can have variable length and/or be tensioned to maintain contact with the walls as the pump rotates. This type of pump is considered less suitable than other vacuum pumps for ...
Chain pump - Wikipedia ... Chain pump
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