| 摘要 |
<p>VENTURI EDUCTOR WITH ADJUSTABLE FLOW RESTRICTOR A venturi eductor (1) comprises a flow passage (2) for a first liquid, a dispensing passage (3) with an opening (4) into the flow passage to allow a second liquid to be drawn therethrough and into a first liquid flowing through the flow passage, and a flow restrictor (5) in the dispensing passage. The flow restrictor comprises a body (6) with a plurality of nozzles (7) passing therethrough with varying sizes of orifice (8), which body is movable between a first position in which a first of said nozzles is disposed in the path of the second liquid, and further positions in each of which a further of said nozzles is disposed in the path of the second liquid. 5 Si 36 8 +41 26 S2,</p> |
