| 摘要 |
<p>An actuating device for pipe-chamber feeders of hydraulic transport equipments, the latter having main closing appliances (1A, 1B, ...), auxiliary closing appliances (5A, 5B) and a delivering high-pressure pump (14). The novel feature is that a dashpot (16) or any other pressure storing unit belongs to a pressure equalizer pipe (15) interconnecting the high-pressure pure-water-pipe (8) of the said pump with the auxiliary closing appliances (5A, 5B) and in said dashpot (16) the carrier liquid is in direct or indirect contact with a gas- or aircushion.</p> |
