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    • 3. 发明公开
    • AGRICULTURAL HARVESTER WITH IMPROVED ROTOR TRANSITION GEOMETRY
    • 土地利用机械研究所土耳其麻省理工学院VERBESSERTERROTORÜBERGANGSGEOMETRIE
    • EP3117698A1
    • 2017-01-18
    • EP16179779.0
    • 2016-07-15
    • CNH Industrial Belgium nv
    • Flickinger, Wayne T.Ricketts, Jonathan E.
    • A01F7/06
    • An agricultural harvester (10) includes a chassis (12) and a threshing and separating system (24) carried by the chassis (12) that is configured for threshing and separating grain from gathered crop material. The threshing and separating system (24) includes: a rotor (40) defining a longitudinal axis; a concave (42) at least partially surrounding the rotor (40); a transition cone (92) defining an infeed to the rotor (40); and a transition surface (94) connecting the transition cone (92) to the concave (42) and having a conical portion (96) defined about the longitudinal axis and a blended portion (98) connected to the conical portion (96). The blended portion (98) defines a first end (102) connected to the conical portion (96) and a second end (104) distanced from the first end (102) in a lateral direction. The blended portion (98) defines a substantially conical shape about the longitudinal axis at the first end (102) and approaches a substantially cylindrical shape about the longitudinal axis toward the second end (104).
    • 农业收割机(10)包括由底盘(12)承载的底盘(12)和脱粒分离系统(24),该系统构造成用于从收集的作物材料中脱粒和分离谷物。 脱粒和分离系统(24)包括:限定纵向轴线的转子(40); 至少部分地围绕所述转子(40)的凹部(42); 限定到所述转子(40)的进料的过渡锥体(92); 以及将所述过渡锥体(92)连接到所述凹部(42)并且具有围绕所述纵向轴线限定的锥形部分(96)的过渡表面(94)和连接到所述锥形部分(96)的共混部分(98)。 混合部分(98)限定连接到锥形部分(96)的第一端(102)和在横向方向上与第一端(102)分开的第二端(104)。 混合部分(98)在第一端(102)处限定围绕纵向轴线的基本上圆锥形的形状,并且围绕纵向轴线朝向第二端(104)接近基本上圆柱形的形状。