| 摘要 |
A device for metering of seed grain, in particular a device (19) for metering of seed grain (2) arranged on a sowing machine, comprising a carrying means (4) and a tube (3) for the outlet of seed grain (2) towards the sowing area, where the carrying means (4) is specifically made to be with negative air-pressure or positive air pressure, which comprises at least one tube (1) with pressurised air for directing seed grain (2) from the carrying means (4) into the tube (3) for the outlet of seed grain (2), and a tube (1) with pressurised air is adjacent to the carrying means (4) and its axis (5) forms a tangent (13) to the carrying means (4) an angle of ß = ± 30°, and the tube (3) for the outlet of seed grain (2) is adjacent to the carrying means (4), wherein its axis (6) forms a tangent (13) to the carrying means (4) an angle of Y=±30°. |
