| 摘要 |
<p>Antireturn system for a fluid, of the type comprising a tube opening into a liquid, but in which an attempt has been made to avoid the production of bubbles. According to the invention, the device comprises a vessel filled with a liquid (6) and equipped with a wall (4) having a lower free edge (5) which is submerged in the liquid more deeply than the end of the feed tube (3). The two volumes (1 and 2) separated by the wall (4) are connected by a tube (8) provided with a restriction (7) which creates a reduced pressure causing the liquid to fall below the end of the feeder tube (3). Application in particular to the equipment of an epitaxy oven between the outlet of the gases and a device for washing the gases. <IMAGE></p> |
