ELECTRO-HYDRAULIC PRESSING DEVICE
    1.
    发明申请
    ELECTRO-HYDRAULIC PRESSING DEVICE 有权
    电动液压装置

    公开(公告)号:US20150000369A1

    公开(公告)日:2015-01-01

    申请号:US14364892

    申请日:2012-10-24

    申请人: Volker Reichel

    发明人: Volker Reichel

    IPC分类号: B25B27/14 B25F5/00

    摘要: An electro-hydraulic pressing device, which is particularly suitable for producing pipe joints by means of press fittings, has a pressure piston, which acts on pressing jaws. The pressure piston divides a pressure piston chamber into a pressure chamber and a rear chamber. A hydraulic pump for feeding hydraulic fluid from a reservoir is connected to the pressure chamber. A balance piston is arranged in the piston in addition to an overpressure valve. Up until a switch-off pressure is reached, i.e. throughout the pressing process, the balance piston closes a connection opening and a return flow channel.

    摘要翻译: 特别适用于通过压力配件生产管接头的电液压装置具有作用在压力爪上的压力活塞。 压力活塞将压力活塞室分成压力室和后室。 用于从储液器供给液压流体的液压泵连接到压力室。 除了过压阀之外,平衡活塞还设置在活塞中。 直到达到关闭压力,即在整个冲压过程中,平衡活塞关闭连接开口和返回流动通道。

    Double-core light-conducting fiber, process for producing the same,
double-core fiber laser, and double-core fiber amplifier
    2.
    发明授权
    Double-core light-conducting fiber, process for producing the same, double-core fiber laser, and double-core fiber amplifier 失效
    双芯导光纤维,其制造方法,双芯光纤激光器和双芯光纤放大器

    公开(公告)号:US5864645A

    公开(公告)日:1999-01-26

    申请号:US836588

    申请日:1997-05-16

    摘要: A double-core light-conducting fiber comprise a pump core, a laser core which is arranged centrically in the pump core, and a cladding surrounding the pump core. The pump core which is constructed with a substantially circular cross section has at least one ground portion on the outside which extends in the light direction of the double-core light-conducting fiber and amounts to 1% to 49% of the diameter of the pump core. A process for the production of the double-core light-conducting fiber and to a double-core fiber laser and to a double-core fiber amplifier are also disclosed which use the double-core light-conducting fiber according to the invention. The substantially round pump core with its centrically arranged laser core enables a simple connection with other fiber-optic components and a simple coupling in of the pumping light.

    摘要翻译: PCT No.PCT / EP96 / 04187 Sec。 371日期:1997年5月16日 102(e)日期1997年5月16日PCT提交1996年9月25日PCT公布。 出版物WO97 / 12429 日期1997年4月3日一种双芯导光纤维包括泵芯,中心位于泵芯中的激光芯和围绕泵芯的包层。 构造为具有大致圆形横截面的泵芯在外部具有至少一个在双芯导光纤维的光线方向上延伸的接地部分,并且相当于泵的直径的1%至49% 核心。 还公开了用于制造双芯导光纤维和双芯光纤激光器以及双芯光纤放大器的方法,其使用根据本发明的双芯导光纤维。 具有其中心布置的激光芯的基本上圆形的泵芯使得能够与其他光纤部件的简单连接以及泵浦光中的简单耦合。

    Electro-hydraulic pressing device
    3.
    发明授权
    Electro-hydraulic pressing device 有权
    电液压装置

    公开(公告)号:US09216501B2

    公开(公告)日:2015-12-22

    申请号:US14364892

    申请日:2012-10-24

    申请人: Volker Reichel

    发明人: Volker Reichel

    摘要: An electro-hydraulic pressing device, which is particularly suitable for producing pipe joints by means of press fittings, has a pressure piston, which acts on pressing jaws. The pressure piston divides a pressure piston chamber into a pressure chamber and a rear chamber. A hydraulic pump for feeding hydraulic fluid from a reservoir is connected to the pressure chamber. A balance piston is arranged in the piston in addition to an overpressure valve. Up until a switch-off pressure is reached, i.e. throughout the pressing process, the balance piston closes a connection opening and a return flow channel.

    摘要翻译: 特别适用于通过压力配件生产管接头的电液压装置具有作用在压力爪上的压力活塞。 压力活塞将压力活塞室分成压力室和后室。 用于从储液器供给液压流体的液压泵连接到压力室。 除了过压阀之外,平衡活塞还设置在活塞中。 直到达到关闭压力,即在整个冲压过程中,平衡活塞关闭连接开口和返回流动通道。

    Multi-clad optical fiber lasers and their manufacture
    5.
    发明授权
    Multi-clad optical fiber lasers and their manufacture 有权
    多层光纤激光器及其制造

    公开(公告)号:US06959022B2

    公开(公告)日:2005-10-25

    申请号:US10733987

    申请日:2003-12-11

    摘要: An optical fiber is disclosed that can be used as an active medium in fiber lasers and/or fiber amplifiers, featuring a preferably rare-earth-doped silica active core surrounded by a pure or doped silica cladding layer (“pump core”). The pump core is surrounded by a doped or pure silica inner cladding for guiding pumping radiation within the pump core. Thus, the refractive index of the inner cladding is lower than that of the pump core. The fiber is surrounded by a protective coating made of polymeric material. One or more additional outer cladding layers, having refractive indexes lower than said inner cladding, may optionally be placed between the inner cladding and the protective coating to further protect the polymer coating from damage. Unlike the prior art, the protective coating does not serve as the only cladding, but is assisted by the inner cladding and optional outer cladding(s). The resultant fiber restricts radiation mainly to silica layers, thereby increasing the damage threshold and the applicable maximum pump power of the fiber.

    摘要翻译: 公开了一种光纤,其可以用作光纤激光器和/或光纤放大器中的有源介质,其特征在于由纯或掺杂的二氧化硅包层(“泵芯”)包围的优选稀土掺杂的二氧化硅活性核。 泵芯由掺杂或纯二氧化硅内包层包围,用于引导泵芯内的泵浦辐射。 因此,内包层的折射率低于泵芯的折射率。 纤维被由聚合材料制成的保护涂层包围。 具有低于所述内包层的折射率的一个或多个附加的外包层可以可选地被放置在内包层和保护涂层之间,以进一步保护聚合物涂层不被损坏。 与现有技术不同,保护涂层不仅用作唯一的包层,而且由内包层和可选的外包层辅助。 所得纤维将辐射主要限制为二氧化硅层,从而增加损伤阈值和适用的最大泵浦功率。