Process for manufacture of silver-based particles and electrical contact materials
    2.
    发明申请
    Process for manufacture of silver-based particles and electrical contact materials 有权
    银基颗粒和电接触材料的制造方法

    公开(公告)号:US20070234851A1

    公开(公告)日:2007-10-11

    申请号:US11394826

    申请日:2006-03-31

    IPC分类号: B22F9/24 C22C5/06

    摘要: The invention is directed to a process for manufacture of fine precious metal containing particles, specifically silver-based particles and silver-based contact materials via an intermediate silver(+1)-oxide species. The process comprises in a first step the formation of a thermally instable silver (+1)-oxide species by adding a base to an aqueous silver salt solution comprising an organic dispersing agent. Due to the presence of the organic dispersing agent, the resulting silver (+1)-oxide species is thermally instable, thus the species is decomposing to metallic silver at temperature lower than 100° C. The process optionally may comprise the addition of a powdered compound selected from the group of inorganic oxides, metals, and carbon-based compounds. Furthermore the process may contain additional separating and drying steps. The process is versatile, cost efficient and environmentally friendly and is used for the manufacture of silver-based particles and electrical contact materials. Silver nanoparticles made according to the process are characterized by a narrow particle size distribution. Electrical contact materials manufactured according to the process reveal improved contact welding properties.

    摘要翻译: 本发明涉及通过中间体(1+) - 氧化物物质制造含贵金属微粒,特别是银基颗粒和银基接触材料的方法。 该方法包括在第一步骤中通过向包含有机分散剂的银盐溶液水溶液中加入碱形成热不稳定的银(+1) - 氧化物种类。 由于存在有机分散剂,所得到的(+1)氧化物物质是不稳定的,因此该物质在低于100℃的温度下分解成金属银。该方法任选地可以包括添加粉末状 选自无机氧化物,金属和碳基化合物的化合物。 此外,该方法可以包含另外的分离和干燥步骤。 该方法具有通用性,成本效益和环保性,并用于制造银基颗粒和电接触材料。 根据该方法制备的银纳米颗粒具有窄的粒度分布。 根据该方法制造的电接触材料显示改善的接触焊接性能。

    Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced
    3.
    发明申请
    Process for manufacture of silver-based composite powders for electrical contact materials and composite powders so produced 有权
    制造用于电接触材料和复合粉末的银基复合粉末的方法

    公开(公告)号:US20070228334A1

    公开(公告)日:2007-10-04

    申请号:US11395328

    申请日:2006-03-31

    IPC分类号: H01B1/12

    摘要: The present invention relates to a method for manufacture of silver-based composite powders for electrical contact materials. The invention relates also to electrical contact materials made from such composite powders. The process comprises a high energy dispersing process of wet silver oxide (Ag2O) with additional second oxide components in aqueous suspension. The high energy dispersing process can be conducted by high shear mixing or by high energy milling. Preferably high speed dispersing units working at rotating speeds in the range of 5,000 to 30,000 rpm or high energy mills such as attritor mills are used. The new process is versatile, economical and offers access to a broad spectrum of contact materials. The silver-based composite powders made according to the new process yield contact materials with a highly dispersed microstructures and superior material characteristics.

    摘要翻译: 本发明涉及一种用于制造用于电接触材料的银基复合粉末的方法。 本发明还涉及由这种复合粉末制成的电接触材料。 该方法包括在水性悬浮液中具有另外的第二氧化物组分的湿氧化银(Ag 2 O 2 O)的高能量分散过程。 高能量分散过程可以通过高剪切混合或高能量研磨进行。 优选使用以5,000至30,000rpm的转速工作的高速分散单元或高能量磨机如磨碎机。 新工艺具有通用性和经济性,并可提供广泛的接触材料。 根据新工艺制备的银基复合粉末产生具有高度分散的微结构和优异的材料特性的接触材料。

    Safety arrangement of a harvesting machine

    公开(公告)号:US20050050872A1

    公开(公告)日:2005-03-10

    申请号:US10661425

    申请日:2003-09-12

    申请人: Bernd Kempf

    发明人: Bernd Kempf

    IPC分类号: A01D75/20 A01D69/10

    CPC分类号: A01D75/20

    摘要: A forage harvester is equipped with a safety device which incorporates controls that monitor various operating conditions including an operator's presence and apply a brake for stopping any possible rotation of the cutting drum whenever an unsafe condition for the operator exists.

    Drive arrangement for the crop conveying and/or processing mechanism of a harvesting machine
    6.
    发明授权
    Drive arrangement for the crop conveying and/or processing mechanism of a harvesting machine 有权
    收割机的作物输送和/或处理机构的驱动装置

    公开(公告)号:US06247296B1

    公开(公告)日:2001-06-19

    申请号:US09480954

    申请日:2000-01-11

    IPC分类号: A01D6908

    摘要: The invention concerns a drive arrangement of a crop conveying and/or processing mechanism of a harvesting machine with an internal combustion engine (25) that is arranged to drive the crop conveying and/or processing mechanism through power transmission elements in a first operating mode in a first direction at a first speed, and a reversible motor (86) that is arranged to drive the crop conveying and/or processing mechanism in a second operating mode at a second speed in a second direction that differs from the first direction. The drive arrangement is also able to be driven in one or both of third and fourth operating modes. In the third operating mode the reversible motor (86) drives the crop conveying and/or processing mechanism in the first direction at a third speed, that is lower than the first speed and in the fourth operating mode the drive of the crop conveying and/or processing mechanism is separated from the internal combustion engine (25) and the reversible motor (86) operates as a brake for the crop conveying and/or processing mechanism.

    摘要翻译: 本发明涉及具有内燃机(25)的收获机的作物输送和/或处理机构的驱动装置,所述内燃机布置成通过第一操作模式中的动力传递元件驱动作物输送和/或处理机构 以及第一速度的第一方向,以及可逆电动机(86),其布置成在第二操作模式下以与第一方向不同的第二方向以第二速度驱动作物输送和/或处理机构。 驱动装置也可以在第三和第四操作模式中的一个或两个驱动。 在第三操作模式中,可逆电动机(86)以第三速度在第一方向上驱动作物输送和/或处理机构,该速度低于第一速度,而在第四操作模式中,作物输送和/ 或处理机构与内燃机(25)分离,并且可逆电动机(86)作为用于作物输送和/或处理机构的制动器操作。

    Process for Manufacture of Silver-Based Particles and Electrical Contact Materials
    8.
    发明申请
    Process for Manufacture of Silver-Based Particles and Electrical Contact Materials 审中-公开
    银基颗粒和电接触材料的制造工艺

    公开(公告)号:US20100167051A1

    公开(公告)日:2010-07-01

    申请号:US12294802

    申请日:2007-03-29

    摘要: The invention is directed to a process for manufacture of fine precious metal containing particles, specifically silver-based particles and silver-based contact materials via an intermediate silver(+1)-oxide species. The process comprises in a first step the formation of a thermally instable silver (+1)-oxide species by adding a base to an aqueous silver salt solution comprising an organic dispersing agent. Due to the presence of the organic dispersing agent, the resulting silver (+1)-oxide species is thermally instable, thus the species is decomposing to metallic silver at temperature lower than 1000° C. The process optionally may comprise the addition of a powdered compound selected from the group of inorganic oxides, metals, and carbon-based compounds. Furthermore the process may contain additional separating and drying steps. The process is versatile, cost efficient and environmentally friendly and is used for the manufacture of silver-based particles and electrical contact materials. Silver nanoparticles made according to the process are characterized by a narrow particle size distribution. Electrical contact materials manufactured according to the process reveal improved contact welding properties.

    摘要翻译: 本发明涉及通过中间体(1+) - 氧化物物质制造含贵金属微粒,特别是银基颗粒和银基接触材料的方法。 该方法包括在第一步骤中通过向包含有机分散剂的银盐溶液水溶液中加入碱形成热不稳定的银(+1) - 氧化物种类。 由于有机分散剂的存在,所得到的(+)氧化物物质是热不稳定的,因此该物质在低于1000℃的温度下分解成金属银。该方法任选地可以包括添加粉末状 选自无机氧化物,金属和碳基化合物的化合物。 此外,该方法可以包含另外的分离和干燥步骤。 该方法具有通用性,成本效益和环保性,并用于制造银基颗粒和电接触材料。 根据该方法制备的银纳米颗粒具有窄的粒度分布。 根据该方法制造的电接触材料显示改善的接触焊接性能。

    Infinitely variable transmission for a combine header unit
    9.
    发明申请
    Infinitely variable transmission for a combine header unit 有权
    用于组合报头单元的无级变速器

    公开(公告)号:US20050193698A1

    公开(公告)日:2005-09-08

    申请号:US10791328

    申请日:2004-03-02

    摘要: A mechanism for powering a combine header unit at infinitely variable speeds. A primary motor is coupled to a primary input shaft via a clutch, a variable-speed secondary motor is directly coupled to a secondary input shaft, and the header unit coupled to a header output shaft. A planetary gear-train couples the primary input shaft, the secondary input shaft, and the header output shaft to each other. A primary brake is coupled to the primary input shaft, and a secondary brake coupled to the secondary input shaft. A control circuit is employed to command the operation of the clutch, the secondary motor, the primary brake, and the secondary brake in response to operator commands.

    摘要翻译: 用于以无限可变速度为组合报头单元供电的机构。 主电动机通过离合器联接到主输入轴,可变速次级电动机直接耦合到次级输入轴,并且头部单元联接到集管输出轴。 行星齿轮系将主输入轴,副输入轴和集管输出轴相互连接。 主制动器联接到主输入轴,并且次级制动器联接到次级输入轴。 根据操作人员的指令,采用控制电路来指示离合器,二次电动机,主制动器和二次制动器的操作。

    Drive system for a crop processing device and for a crop transport device of a harvesting machine
    10.
    发明授权
    Drive system for a crop processing device and for a crop transport device of a harvesting machine 失效
    用于作物处理装置和收割机的作物运送装置的驱动系统

    公开(公告)号:US06810649B2

    公开(公告)日:2004-11-02

    申请号:US10369799

    申请日:2003-02-19

    申请人: Bernd Kempf

    发明人: Bernd Kempf

    IPC分类号: A01D6903

    CPC分类号: A01F29/14 A01D69/005

    摘要: A drive system for a crop processing device and for a crop transport device of a forage harvester, can be operated at least in a first operational mode and in a second operational mode. In the first operational mode, the crop processing device is driven by a first drive power supplying device, and at least part of the drive power is made available to the crop transport device by a second drive power supplying device. The second drive power supplying device is a reversible, variable speed device and is solely coupled to the crop processing device when the drive system is in a second operational mode. In order to prevent a movement of the crop transport device in the second operational mode, in which, e.g., the crop processing device can be worked with a sharpening device, a stop device is suggested that stops the crop transport device in the second operational mode.

    摘要翻译: 用于作物处理装置和饲料收割机的作物运输装置的驱动系统可以至少在第一操作模式和第二操作模式中操作。 在第一操作模式中,作物处理装置由第一驱动供电装置驱动,至少部分驱动力由第二驱动供电装置使作物运送装置可用。 第二驱动电力供应装置是可逆的可变速度装置,并且当驱动系统处于第二操作模式时,该装置单独地耦合到作物处理装置。 为了防止作物运送装置在第二操作模式中的运动,其中例如作物处理装置可以与磨刀装置一起工作,建议停止装置在第二操作模式中停止作物运送装置 。