| 摘要 |
It is an object of the present invention to provide a fluid suction and discharge apparatus capable of continuously discharging fluid with a predetermined flow rate and pressure continuously sucking the fluid without substantially giving rise to pulsation.This invention comprises an inner tube rotatably fitted in a fitting hole of the apparatus body, a cylinder slidably fitted into the inner tube, and a plurality of through-holes formed in the inner tube, wherein when the cylinder is reciprocated in association with rotation of the inner tube, and when one of the through-holes of the inner tube is communicated with a suction hole of the apparatus body, the other through-hole of the inner tube is communicated with a discharge hole of the apparatus body, and when fluid is sucked from a communication suction hole thus communicated, fluid is discharged from the discharge hole thus communicated.
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