Hydraulic Ram

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“The Hydraulic Ram is a machine for raising water, and depending for its action on the impulse of flowing water. The water falling from a reservoir passes into a pipe or chamber (b), at the end of which there is a ball valve (c). The rush of supply water at first closes this, and the water finding no exit there acquires pressure enough to open another valve (d) and pass into an air-vessel placed over it (f). The cessation of pressure at valve c allows it to fall again; an outrush of water takes place there, relieving valve d, which again closes. The pressure of the flowing water upon valve c once more closes this valve, and valve d again opens, and an additional quantity of water is forced into the air-vessel; and so on by a series of pulsations which send the water along the service pipe, and, in properly arranged machines, raise it to a very considerable height, although the impulse is dervied only from the fall of a few feet."—(Charles Leonard-Stuart, 1911)


Fluid Pumps


Everybody's Cyclopedia (New York, NY: Syndicate Publishing Company, 1912)


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