Importance

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Abstract

A pressure difference generating apparatus includes a first pipe, a second pipe and a third pipe. The first pipe have a first inlet. The second pipe disposed inside of the first pipe has a conical inlet runner, a conical outlet runner and a neck portion between the conical inlet runner and outlet runner. The third pipe has a third conical outlet portion extending into the conical inlet runner. A first fluid and a second fluid flow into the first pipe and the third pipe separately in different flow rates. A negative pressure generated between the third conical outlet portion and the conical inlet runner allows at least part of the first fluid to flow into the conical inlet runner, then the neck portion, then the conical outlet runner, and finally out of the second pipe with the second fluid.

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First Claim