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    Method of producing a tube-shaped torsion-proof and bending-resistant drive shaft
    3.
    发明授权
    Method of producing a tube-shaped torsion-proof and bending-resistant drive shaft 有权
    制造管状耐扭曲和抗弯曲驱动轴的方法

    公开(公告)号：US06835263B2

    公开(公告)日：2004-12-28

    申请号：US10113934

    申请日：2002-04-02

    申请人： Anton Bergmann ,  Marinus Sedlmeier

    发明人： Anton Bergmann ,  Marinus Sedlmeier

    IPC分类号： B65H8100

    CPC分类号： F16C3/026 ,  B29C53/56 ,  B29C53/566 ,  B29C70/446 ,  B29C70/54 ,  Y10S464/903 ,  Y10T428/1369

    摘要： An undercritical drive shaft and a method of producing the undercritical drive shaft from fiber composite material is disclosed. The drive shaft, which is produced of fiber composite material and is to be used as an undercritically operating shaft, has a high damage tolerance with respect to resistance to torsion and the manufacturing process requires lower expenditures. For the drive shaft, the fiber composite material consists of several successively individually wound-up webs of prepreg. For the method of producing the drive shaft from fiber composite material, as the fiber material, the web-shaped prepreg is wound onto the winding spindle and this prepreg is deaerated and simultaneously compressed by the winding-on of a thermoplastic woven band which is prestressed in a defined manner. The thermoplastic woven band is unwound again and additional prepreg layers are then wound up which are then deaerated and compressed in the same manner by a thermoplastic woven band.

    摘要翻译： 公开了一种非临界驱动轴和从纤维复合材料制造非临界驱动轴的方法。 由纤维复合材料制成的驱动轴用作不利于轴的轴，在耐扭转方面具有高损伤公差，制造过程需要较低的支出。 对于驱动轴，纤维复合材料由几个连续单独卷起的预浸料网构成。 对于从纤维复合材料制造驱动轴的方法，作为纤维材料，将网状预浸料卷绕到卷绕轴上，并将该预浸料脱气，同时通过预应力的热塑性编织带的卷绕同时压缩 以定义的方式。 热塑性编织带再次展开，然后再卷起另外的预浸料层，然后用热塑性编织带以相同的方式进行脱气和压缩。

    Impact-absorbing, load-limiting connection device and rotary wing aircraft having such a connection device
    4.
    发明授权
    Impact-absorbing, load-limiting connection device and rotary wing aircraft having such a connection device 有权
    具有这种连接装置的冲击吸收，负载限制连接装置和旋翼飞机

    公开(公告)号：US06886779B2

    公开(公告)日：2005-05-03

    申请号：US10691005

    申请日：2003-10-22

    申请人： Horst Bansemir ,  Jyrki Majamaeki ,  Walter Oefner ,  Anton Bergmann

    发明人： Horst Bansemir ,  Jyrki Majamaeki ,  Walter Oefner ,  Anton Bergmann

    IPC分类号： B64C27/00 ,  F16F7/12 ,  B64D27/00

    CPC分类号： B64C27/006 ,  F16F7/12

    摘要： An impact-absorbing, load-limiting connection device includes a first connection structure, a second connection structure, a guiding mechanism, and at least one impact-absorbing, load-limiting sacrificial element disposed between the first and second connection structure. At least one of the first and second connection structures is moveable with respect to the other in a predetermined direction of movement corresponding to an anticipated main impact direction. The guiding mechanism is configured to guide at least one of the first and second connection structures along the direction of movement and includes at least one transverse force-absorbing guide element configured to absorb a force in a direction transverse to the direction of movement. The sacrificial element is disposed as to be uncoupled from a transverse load path of the transverse force-absorbing guide element, and is configured to be deformed and destroyed by a relative movement between the first and second connection structures upon application of predetermined maximum load. In addition, a rotary-wind aircraft, especially a helicopter, that includes at least one such connection device.

    摘要翻译： 冲击吸收负载限制连接装置包括第一连接结构，第二连接结构，引导机构以及设置在第一和第二连接结构之间的至少一个冲击吸收负载限制性牺牲元件。 所述第一和第二连接结构中的至少一个可以相对于另一个沿预定的主冲击方向的预定运动方向移动。 引导机构构造成沿着移动方向引导第一和第二连接结构中的至少一个，并且包括至少一个横向力吸收引导元件，其构造成沿横向于移动方向的方向吸收力。 牺牲元件被设置为与横向吸力引导元件的横向负载路径分离，并且被构造成在施加预定的最大负载时通过第一和第二连接结构之间的相对运动而变形和破坏。 另外，包括至少一个这样的连接装置的旋转式飞机，特别是直升机。