| 摘要 |
<p>An ejector device, for a jet pump, comprising an injector portion 110 and a diffuser portion 150, where the injector portion injects a motive fluid from a motive fluid inlet into the diffuser portion drawing a suction fluid into the diffuser portion from a suction fluid inlet 120 and where the diffuser portion includes a Venturi portion comprising a converging inlet section, a throat section 154 and a diverging outlet section 156, wherein the throat section has a length that is at least seven times its diameter. Preferably the throat section can be greater than 7 times its diameter and especially between 10 to 50 times its diameter. The injector portion may also comprise a rotational deflector 180 to rotate motive fluid as its passes from the motive fluid inlet into the diffuser portion, the deflector comprising helical vanes.</p> |
