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1. 发明申请

US20130019788A1 SEED DISTRIBUTION ELEMENT FOR PRECISION SEED DRILLS, SEED DRILL INCLUDING SAID ELEMENT 有权
标题翻译：用于精密种子铲的种子分配元件，包括实体元件的种子钻
公开(公告)号：US20130019788A1
公开(公告)日：2013-01-24
申请号：US13521896
申请日：2011-11-10
申请人： Enrico Bragatto
发明人： Enrico Bragatto
IPC分类号： A01C7/04
CPC分类号： A01C7/046
摘要： A seed distribution element (1) includes:-a sowing disc (16) rotated by a motor-driven transmission shaft (20)-a housing (10) with a fixed portion (11) in which the shaft (20) is supported and a portion (12) movable relative to the fixed portion and can be closed against it, with a seed collection chamber (15) in the fixed portion (11) and a pneumatic suction chamber (17) in the movable portion (12),-the sowing disc (16) being interposed between the portions (11, 12) and having opposed surfaces (16a, 16b) delimiting the chambers, and provided with a ring of selector holes (23) extending between the opposed surfaces,-means for producing a pressure differential between the opposed surfaces in the region of a circumferential segment of the ring of holes, including the pneumatic suction chamber, and-a seal (24) on the movable portion (12) capable of sliding contact with the facing surface (16a) of the disc (16) when the portions are closed against one another,-a thrust -bearing element (26) of the sowing disc (16), supported rotatably in the movable portion (12), to withstand the axial load produced by the disc (16) on the seal (24).
摘要翻译：种子分配元件（1）包括： - 由马达驱动的传动轴（20）旋转的播种盘（16） - 具有支撑轴（20）的固定部分（11）的壳体（10），以及相对于固定部分可移动的部分（12）可以与固定部分（11）中的种子收集室（15）和可移动部分（12）中的气动抽吸室（17）相抵接，所述播种盘（16）插入在所述部分（11,12）之间并且具有限定所述室的相对表面（16a，16b），并且设置有在所述相对表面之间延伸的选择孔（23）环， - 用于产生在包括气动吸入室的孔环的周向区域的区域中的相对表面之间的压差以及能够与相对表面（16a）滑动接触的可动部分（12）上的密封件（24））当所述部分彼此关闭时，所述盘（16）是一个止推元件（26））可旋转地支撑在可动部分（12）中，以承受由密封件（24）上的盘（16）产生的轴向载荷。

2. 发明授权

US08770121B2 Seed distribution element for precision seed drills, seed drill including said element 有权
标题翻译：用于精密种子钻的种子分配元件，包括所述元件的种子钻
公开(公告)号：US08770121B2
公开(公告)日：2014-07-08
申请号：US13521896
申请日：2011-11-10
申请人： Enrico Bragatto
发明人： Enrico Bragatto
IPC分类号： A01C7/04
CPC分类号： A01C7/046
摘要： A seed distribution element (1) includes: —a sowing disc (16) rotated by a motor-driven transmission shaft (20) —a housing (10) with a fixed portion (11) in which the shaft (20) is supported and a portion (12) movable relative to the fixed portion and can be closed against it, with a seed collection chamber (15) in the fixed portion (11) and a pneumatic suction chamber (17) in the movable portion (12), —the sowing disc (16) being interposed between the portions (11, 12) and having opposed surfaces (16a, 16b) delimiting the chambers, and provided with a ring of selector holes (23) extending between the opposed surfaces structure for producing a pressure differential between the opposed surfaces in the region of a circumferential segment of the ring of holes, including the pneumatic suction chamber, and —a seal (24) on the movable portion (12) capable of sliding contact with the facing surface (16a) of the disc (16) when the portions are closed against one another,—a thrust-bearing element (26) of the sowing disc (16), supported rotatably in the movable portion (12), to withstand the axial load produced by the disc (16) on the seal (24).
摘要翻译：种子分配元件（1）包括： - 由马达驱动的传动轴（20）旋转的播种盘（16） - 具有支撑轴（20）的固定部分（11）的壳体（10），以及相对于固定部分可移动的部分（12）可以与固定部分（11）中的种子收集室（15）和可移动部分（12）中的气动抽吸室（17）相抵接，所述播种盘（16）插入在所述部分（11,12）之间并且具有限定所述室的相对表面（16a，16b），并且设置有在所述相对表面结构之间延伸的用于产生压力的选择器孔（23）在包括气动吸入室的孔环的周向区域的区域中的相对表面之间的差异以及能够与相对表面（16a）滑动接触的可移动部分（12）上的密封件（24）当这些部分彼此关闭时，盘（16） - 推力球播种盘（16）的环形元件（26）可旋转地支撑在可动部分（12）中，以承受由密封件（24）上的盘（16）产生的轴向载荷。

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