| 摘要 |
<p>the device consists of a sleeve (2) of synthetic material with a head (3) which fits an injector connection. At the other end of the sleeve is a coned part (7). The sleeve also has side oval openings (9) to discharge fluid in a circumferential throat (10). Inside the sleeve is a tongue (12) coupled with an internal pipe and normally the tongue blocks the hole (4). The outside of the sleeve has small wings (13) with an inclined surface (14), sloping towards a diffuser (7). Between the sleeve and the head is a small collar (16).</p> |
