Importance

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Abstract

A flow regulator for a water pump, comprising a valve body, a piston block, a spring, a connecting pipe, and a rod. The valve body is roughly shaped like a cross, having a passageway in a vertical direction and a first tube and a second tube in a horizontal direction. The piston block is glidingly movable in the horizontal direction in the first tube. The spring is disposed in the second tube, having ends that are fastened to inner and outer holding plates. The connecting pipe is connected with the first tube, transmitting water pressure from a supply pipe to the first tube. The rod connects the inner holding plate and the piston block to allow the water pressure and the elastic force to balance each other. The piston block is pushed inward by the water pressure, narrowing the passageway, while being pressed outward by the elastic force, so that controlled water flow and pressure in the supply pipe are achieved.

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First Claim