| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pump in which a clearance controlled to exhibit an effect of filtrating a part of fluid in a pump outlet is provided in a pump outlet region. SOLUTION: This pump 10 equipped with inner and outer rotors 13, 14 which are eccentrically mounted in a housing 11 and meshed with each other has an inlet 17 and a main outlet 18. The main outlet 18 is communicated with a second outlet 21 through a controlled clearance. The controlled clearance provides action to filtrate a part of fluid transported by the pump.</p> |
