| 摘要 |
A fluid exchanger apparatus for exchanging a first fluid with a second fluid in varying proportions and comprising fluid exhaust for exhausting such first fluid along a predetermined exhaust flow path, fluid inlet for inducting such second fluid along a predetermined inlet flow path, transfer duct extending around a curved flow path, the path essentially defining a path plane, from the exhaust flow path to the inlet flow path, and providing a smoothly curved fluid flow path therebetween, at least a movable portion of the duct being movable relative to the fluid exhaust, the movable portion being rotatable about any axis except an axis perpendicular to the curve plane whereby rotation of the movable portion establishes and interrupts fluid flow connection between the fluid exhaust and the fluid inlet, and, power operator for moving the movable portion relative to the fixed portion into a plurality of different positions, whereby the first fluid may be mixed with the second fluid in varying proportions.
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