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    • 85. 发明授权
    • Precision measuring apparatus having a measuring interval sealed from
environmental influences
    • 精密测量装置具有密封的环境影响的测量间隔
    • US4377036A
    • 1983-03-22
    • US234489
    • 1981-02-17
    • Holmer Dangschat
    • Holmer Dangschat
    • G01B5/00G01B9/02G01B11/00G01B11/02G01B11/26G01D5/347G12B17/00
    • G01D5/34761G01B5/0009G01B9/02052G12B17/00Y10S33/02Y10S33/04
    • a precision measuring apparatus (0) defining a measuring interval sealed from environmental influences comprises a shielding housing (10) surrounding a measuring interval and defining within the housing wall a slit (10a) oriented along the measuring interval, a movable member (11) attachable to a measured object and movable along the measuring interval, a carrying member (1a) attached to the movable member (11) and extending through the slit (10a), fluid bearings (12b) interposed between the movable member and the shielding housing to form a bearing gap (12) therebetween and to movably support the movable member (11) on the shielding housing (10) substantially without friction, and sealing fluid (14c) positioned in the bearing gap (12) to seal the slit (10a). The apparatus further includes a fluid supply means (14) for supplying sealing fluid (14c) such as vacuum oil, to the bearing gap (12), and means (18) for evacuating the shielding housing (10). A channel (13b ) for distributing the sealing fluid (14c) from the supply means (14) through the bearing gap (12) is defined by the movable member (11). Channels (13a, 13c) for collecting sealing fluid (14c) in the bearing gap (12) are defined by the wall of the housing (10). The fluid bearings (12b) can be pneumatic, formed by injecting compressed air into the bearing gap (12).
    • 限定由环境影响密封的测量间隔的精密测量装置(0)包括围绕测量间隔的屏蔽壳体(10),并且在壳体壁内限定沿着测量间隔定向的狭缝(10a),可附接的可动构件 到测量对象并且沿着测量间隔可移动的载运构件(1a),附接到可移动构件(11)并延伸穿过狭缝(10a)的流动轴承(12b)插入在可移动构件和屏蔽壳体之间以形成 其间的轴承间隙(12)并且基本上没有摩擦地可移动地支撑在屏蔽壳体(10)上的可动构件(11),以及定位在轴承间隙(12)中的密封流体(14c)以密封狭缝(10a)。 该设备还包括用于向轴承间隙(12)供应诸如真空油的密封流体(14c)的流体供应装置(14)和用于抽真空屏蔽壳体(10)的装置(18)。 用于从密封流体(14c)通过轴承间隙(12)分配密封流体(14c)的通道(13b)由可动件(11)限定。 用于收集轴承间隙(12)中的密封流体(14c)的通道(13a,13c)由壳体(10)的壁限定。 流体轴承(12b)可以是气动的,通过将压缩空气注入轴承间隙(12)中而形成。
    • 86. 发明申请
    • Method and circuit arrangement for minimizing interference in an electronic circuit
    • 用于最小化电子电路干扰的方法和电路装置
    • US20050073794A1
    • 2005-04-07
    • US10912678
    • 2004-08-05
    • Rasmus Rettig
    • Rasmus Rettig
    • H04B15/00G01D3/028G01D5/12G01D5/24G01L1/00G01L9/00G01L9/04G12B17/00H01H47/00
    • G01L9/04G01D5/24Y10T307/735
    • The method and circuit arrangement both minimize stray electromagnetic interference in an electronic circuit, in which symmetric measurement signals are evaluated. Both inputs (InP, InM) of an evaluation circuit (2) are provided with a bank of switchable capacitors (Cz) individually or in groups, which are connectable with the respective inputs. A predetermined interference signal is applied to the respective inputs (InP, InM) and individual ones or groups of the switchable capacitors (Cz) are selectively connected with the inputs (InP, InM) so that a maximum suppression of the predetermined interference signal can take place. Data regarding the capacitance values selected during the suppression of the predetermined interference signal is stored in the memory (3′) of a switching controller (3) during selective switching so that the same adjustment occurs automatically during subsequent operation cycles of the circuit arrangement.
    • 该方法和电路装置可以最小化电子电路中的杂散电磁干扰,其中评估对称的测量信号。 评估电路(2)的两个输入(InP,InM)分别或分组地设置有可与各个输入连接的一组可切换电容器(Cz)。 预定的干扰信号被施加到相应的输入(InP,InM),并且可切换电容器(Cz)的各个或多个组选择性地与输入(InP,InM)连接,使得可以采取预定干扰信号的最大抑制 地点。 关于在抑制预定干扰信号期间选择的电容值的数据在选择性切换期间被存储在开关控制器(3)的存储器(3')中,使得在电路装置的后续操作周期期间自动进行相同的调整。
    • 90. 发明授权
    • Protection means for a process analyzer system
    • 过程分析仪系统的保护手段
    • US4797254A
    • 1989-01-10
    • US23391
    • 1987-03-09
    • Rudolf Seidel
    • Rudolf Seidel
    • G01N35/00B01L99/00G01N27/00G01N35/02G12B9/10G12B17/00G01N37/00
    • B01L99/00G01N2035/00277G01N2035/00326Y10S435/809
    • A sheltered-type protection means for process instrumentation/automation, particularly quality measuring equipment for industrial processes with a hazardous environment and materials is described, which has a self-supporting housing with an extractable support member, on which is arranged at least one analyzer, a sample preparation means, an auxiliary material system and a unidirectional or bidirectional communications means for electrical signals. This arrangement permits a very compact construction and ensures that after extracting the support member unimpeded access to the individual components is possible. The invention also has the advantage that as a result of the small dimensions of the housing, it can be constructed in an extremely tight manner, so that the interior thereof is scavenged e.g. with an inert gas and can be kept under overpressure without leakage losses occurring. Thus, as the entire inner area is protected against explosions, there is no need to provide the individual components of the system in explosionproof and therefore expensive construction forms. The invention satisfies the requirement of being able to install the analyzer system in the immediate vicinity of the particular process and this covers both explosion protection and the necessary protection against the weather.
    • 描述了一种用于过程仪表/自动化的掩蔽式保护装置,特别是具有危险环境和材料的工业过程的质量测量设备,其具有带有可抽出支撑构件的自支撑壳体,其上布置有至少一个分析器, 样品制备装置,辅助材料系统和用于电信号的单向或双向通信装置。 这种布置允许非常紧凑的构造,并且确保在不受阻碍地提取支撑构件之后,可以访问各个部件。 本发明的优点在于,由于壳体的小尺寸,其可以以非常紧密的方式构造,使得其内部被清除。 使用惰性气体,可以保持在超压状态,而不会发生泄漏损失。 因此,当整个内部区域被防止爆炸时,不需要将系统的各个部件提供在防爆和因此昂贵的构造形式中。 本发明满足能够将分析仪系统安装在特定过程附近的要求,并且包括防爆和对天气的必要保护。