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This is a still representation
and possibly also a low-resolution image of a fully animated pump.
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This type of rotary gear pump moves liquid in the same direction regardless
of the direction the gears turn. |
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The valves (shown in yellow in this drawing) are forced open and closed
by the difference in pressure on the input and output sides. |
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In this drawing, fluid in the higher-pressure output side is shown in light
blue while fluid in the lower-pressure input side is dark blue. |
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Notice that when the green gear starts moving clockwise, the fluid in the
outer circular tubes changes pressure but stops flowing, and fluid flows
more or less straight up. |
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