| 摘要 |
1385332 Dispensing granular material CLAUDIUS PETERS AG 31 Jan 1972 [19 Feb 1971] 4435/72 Heading B8N Apparatus for dispensing granular material comprises a rotor 4 rotatable with a housing 1 provided with an upper inlet shoot and a lower outlet. The inlet shoot walls funnel downwardly to define one or more openings 7 which are swept by the edges 6 of the rotor vanes. The blade edges 6 and the edge or edges of the or each opening last swept by the blades, in use, intersect at a minimum angle greater than 30 degrees, and preferably substantially 60 degrees. |
