| 摘要 |
<p>The bottle filler consists of a nozzle (120) connected to a container (110) of the liquid (112) and containing an air return tube lying coaxially with its cannula (126) inside the nozzle and having a radial aperture (125) adjacent to the nozzle tip. The outlet end of the cannula is situated at one height (Ho), while the aperture (125) in the air return tube (124) is situated at a second height (H1) above it. Both the cannula and air return tube are at atmospheric pressure.</p> |
