| 摘要 |
<p>PCT No. PCT/CH94/00069 Sec. 371 Date Dec. 16, 1994 Sec. 102(e) Date Dec. 16, 1994 PCT Filed Apr. 6, 1994 PCT Pub. No. WO94/24350 PCT Pub. Date Oct. 27, 1994An air channel extends parallel to and underneath the straight runway of a travelling cleaner, and the runway and air channel extend above a row of weaving machines. Provided above each weaving machine on the underside of the air channel is a downward-directed piston-flow outlet which is supplied with suitably conditioned air by the air channel. Provided in the floor underneath each weaving machine is an air outlet which is connected to a suction channel. Via an air-treatment system, the air returned from the suction channel, after being filtered and conditioned as necessary, is fed into the air channel again. The air channel and the runway extend in parallel relation with respect to each other, form a unit, and are jointly supported.</p> |
