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Pump with eccentric ring 1

Input: orange rotor.

Green ring is mounted eccentrically on the rotor.

A vertical wall of the base prevents the green ring from rotating.

There should be a soft contact (elastic seal) between the ring and the wall.

The arrows show fluid flows.

An amount of fluid is sucked into the pump during its first revolution and discharged during the next revolution.

The pump is cut off half for easy understanding.

Add a comment or brief description of this mechanism in your language.

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