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11. 发明授权

US5821428A Sealed observation element for sulfur recovery unit 失效
标题翻译：用于硫回收装置的密封观察元件
公开(公告)号：US5821428A
公开(公告)日：1998-10-13
申请号：US502787
申请日：1995-08-11
申请人： George W. Taggart , James E. Lewis , Craig S. Ward
发明人： George W. Taggart , James E. Lewis , Craig S. Ward
IPC分类号： F27D21/02 , B01J3/00 , C01B17/02 , C01B17/04 , G01F23/02 , G01P13/00
CPC分类号： C01B17/0447 , B01J3/004 , C01B17/0221 , G01F23/02 , G01P13/008
摘要： A sealed observation element for viewing the flow of molten liquid during the operation of a sulfur recovery unit comprises at least one sight glass that is heated and which may be swept with a purge gas supplied through one or more bleed rings to prevent condensation or deposition of materials on the side of the sight glass exposed to the process stream.
摘要翻译：用于在硫回收单元的操作期间观察熔融液体流的密封观察元件包括至少一个被加热的观察窗，并且可以用通过一个或多个排出环提供的净化气体扫过，以防止冷凝或沉积观察玻璃侧面的材料暴露于工艺流。

12. 发明授权

US5141125A Quickport closure device 失效
标题翻译：快速关闭装置
公开(公告)号：US5141125A
公开(公告)日：1992-08-25
申请号：US743899
申请日：1991-08-12
申请人： Thomas M. Canty , Paul J. O'Brien
发明人： Thomas M. Canty , Paul J. O'Brien
IPC分类号： B01J3/00 , B01J3/03
CPC分类号： B01J3/004 , B01J3/03
摘要： In using various vessels such as reaction vessels there must be provisions for adding materials to the vessels and for observing the vessel contents. The structure of this invention provides a vessel closure device that provides both of these conveniences. This closure device has an annular seal ring containing spring plungers each located outside areas of exposure to the contamination of the vessel. The seal ring also has two O-ring seals to ensure against leakage. There is also provided a sliding door with a viewing window that is aligned with all openings in the other closure device components in order to provide a clear viewing and addition path to the interior of the vessel.
摘要翻译：在使用诸如反应容器的各种容器时，必须有向容器添加材料和观察容器内容物的规定。本发明的结构提供一种提供这两种便利性的容器封闭装置。该闭合装置具有环形密封环，其包含弹簧柱塞，每个位于暴露于容器污染的外部区域。密封圈还具有两个O形密封圈，以防止泄漏。还提供了一种具有观察窗的滑动门，其与另一闭合装置部件中的所有开口对准，以便提供到容器内部的清晰的观察和添加路径。

13. 发明授权

US4961628A Means for observing gas-tight and pressure-tight closed chambers 失效
标题翻译：用于观察气密和耐压密闭的室的方法
公开(公告)号：US4961628A
公开(公告)日：1990-10-09
申请号：US422691
申请日：1989-10-17
申请人： Kurt-Dieter Herberts
发明人： Kurt-Dieter Herberts
IPC分类号： B01J3/00 , E06B5/12 , H02B13/045
CPC分类号： G02B7/007 , B01J3/004 , E06B5/12 , H02B13/045
摘要： There is disclosed a viewing window assembly for observing gas-tight and pressure-tight closed chambers of installations from outside comprising a cylindrical frame made of metal, in which is arranged a transparent insert. The frame is made of a stainless steel of low coefficient of thermal expansion and the insert is made of a glass having a similar or still smaller coefficient of thermal expansion.
摘要翻译：公开了一种观察窗组件，用于从外部观察装置的气密和不透气的封闭室，包括由金属制成的圆柱形框架，其中布置有透明插入件。该框架由热膨胀系数低的不锈钢制成，并且插入件由具有相似或更小的热膨胀系数的玻璃制成。

14. 发明授权

US4893912A Device for observing a hot reaction space in the interior of a reactor operating at increased pressure 失效
标题翻译：用于观察在增压下操作的反应器内部的热反应空间的装置
公开(公告)号：US4893912A
公开(公告)日：1990-01-16
申请号：US796391
申请日：1985-11-07
申请人： Klaus Kohnen , Hans Niermann , Lothar Semrau
发明人： Klaus Kohnen , Hans Niermann , Lothar Semrau
IPC分类号： B01J3/00 , C10J3/72 , F27D21/02 , G02B23/24 , G02B27/02
CPC分类号： B01J3/004 , C10J3/72 , C10J3/723 , C10J3/78 , F27D21/02 , G02B23/2492 , B01J2219/0027
摘要： A tubular housing is provided at one end thereof with a protective glass prism facing an observation opening in a pressurized reactor. The other end of the housing is closed and the intermediate part thereof supports an inclined mirror. A viewing tubular piece is arranged transversely to the tubular housing to receive light rays reflected from the mirror. The free end of the viewing piece is also provided with a protective glass prism.
摘要翻译：管状壳体的一端设置有面向加压反应器中的观察开口的保护性玻璃棱镜。外壳的另一端封闭，其中间部分支撑倾斜的镜子。观察管件横向于管状壳体设置以接收从反射镜反射的光线。观察片的自由端还设置有保护性玻璃棱镜。

15. 发明授权

US4809862A Fuseview laminate safety sight glass 失效
标题翻译：保险丝面板安全视镜
公开(公告)号：US4809862A
公开(公告)日：1989-03-07
申请号：US25578
申请日：1987-03-13
申请人： Thomas M. Canty
发明人： Thomas M. Canty
IPC分类号： B01J3/00 , B65D25/54
CPC分类号： G02B7/007 , B01J3/004
摘要： A safety viewing window for observing the interior of a pressure vessel is the subject of this invention. This viewing window is made up of an optically clear window disc fused to a metal frame. A laminate is overcoated over the fused disc and frame to provide a corrosion resistant viewing window. The metal frame has attached to it brackets for securing the entire unit to the vessel in a pressure tight manner.
摘要翻译：用于观察压力容器内部的安全观察窗是本发明的主题。该观察窗由融合到金属框架的光学清晰的窗盘组成。在熔融的盘和框架上覆盖层压体以提供耐腐蚀的观察窗。金属框架已经连接到支架上，用于以整齐的方式将整个单元固定在容器上。

16. 发明授权

US4372652A Laminated gage glass assembly 失效
标题翻译：层压玻璃总成
公开(公告)号：US4372652A
公开(公告)日：1983-02-08
申请号：US212323
申请日：1980-12-02
申请人： Robert A. Pontefract
发明人： Robert A. Pontefract
IPC分类号： B01J3/00 , F16L55/00 , G02B7/00 , G02B5/00 , G01F23/02
CPC分类号： B01J3/004 , F16L55/00 , G02B7/00 , G02B7/007
摘要： A gage glass assembly can be mounted in a standard pipe joint flange and has a sleeve with an inturned flange at the outer end and an outwardly extending flange at the inner end. A pair of cylindrical lenses inside the sleeve are interspaced by a plastic sheet that also extends axially between the inner lens and the sleeve and outwardly over the outwardly extending flange. Both lenses and the sheet are bonded together and to the sleeve by a transparent, plastic material. A liquid level gage has a cover extending over a body having an elongated central chamber and the cover has a similarly elongated recess facing the chamber. A pair of glass lenses are stacked in the recess and a transparent plastic sheet extends between the lenses, along the side of the inner lens and outwardly over the inner side of the cover, where it serves as a gasket between the cover and the body. A plastic bonding material fills the space between the plastic sheet, the two lenses, and the cover recess.
摘要翻译：量具玻璃组件可以安装在标准管接头凸缘中，并且具有在外端具有内接凸缘的套筒和在内端处的向外延伸的凸缘。套筒内的一对柱面透镜通过塑料片间隔开，该塑料片也在内透镜和套筒之间轴向延伸并且向外延伸到凸缘上。透镜和片材通过透明的塑料材料粘合在一起并连接在套筒上。液位计具有在具有细长中心室的主体上延伸的盖，并且盖具有面向腔室的类似细长的凹部。一对玻璃透镜被堆叠在凹部中，并且透明塑料片沿着内透镜的侧面在透镜之间延伸并且在盖的内侧向外延伸，其中它用作盖和主体之间的垫圈。塑料粘合材料填充塑料片，两个透镜和盖凹槽之间的空间。

17. 发明授权

US4221470A High pressure sightglass for fluid flow tube 失效
标题翻译：用于流体管的高压观察镜
公开(公告)号：US4221470A
公开(公告)日：1980-09-09
申请号：US974358
申请日：1978-12-29
申请人： Harold E. Weeks
发明人： Harold E. Weeks
IPC分类号： B01J3/00 , G02B7/00 , G02B5/00
CPC分类号： B01J3/004 , G02B7/007
摘要： Disclosed is a sightglass assembly of particular application for use with a laser flowmeter to measure flow velocities of high pressure fluid flowing through a tube. A short, thick-walled glass tube having spherically rounded ends is coaxially interposed in a fluid flow system such that a continuous cylindrical fluid flow passage is provided through the bore of the sightglass tube. The sightglass tube is longitudinally clamped between a pair of endpieces having fluid flow bores. Spherical receiving surfaces in the endpieces are mated with the spherical ends of the sightglass tube to seal the joints between the sightglass and the endpieces and to pre-stress the sightglass tube with radially inward stress components enabling it to withstand higher internal fluid pressures. A pair of flat viewports on opposite sides of the sightglass tube provide windows for passage of laser light through the fluid medium in a direction transverse to the direction of flow.
摘要翻译：公开了一种用于与激光流量计一起使用以测量流过管的高压流体的流速的特定应用的视镜组件。具有球形圆形端部的短的厚壁玻璃管同轴地插入流体流动系统中，使得连续的圆柱形流体流动通道穿过观察镜孔的孔。观察镜管被纵向夹紧在具有流体流动孔的一对端片之间。端片中的球形接收表面与观察镜管的球形端部配合，以密封视线镜和端片之间的接合部，并且使径向向内的应力分量对视镜管进行预应力，使其能够承受更高的内部流体压力。在观察镜管的相对侧上的一对平的视口提供窗口，以使激光在横向于流动方向的方向上通过流体介质。

18. 发明授权

US3837226A Sight glass assembly and a method of producing the same 失效
标题翻译： SIGHT玻璃组件及其生产方法
公开(公告)号：US3837226A
公开(公告)日：1974-09-24
申请号：US21072171
申请日：1971-12-22
申请人： NIPPON KLINGAGE KK
发明人： KAWAWA E
IPC分类号： B01J3/00 , C03C27/02 , F17C13/02 , G01F23/02 , G02B7/00
CPC分类号： G02B7/007 , B01J3/004 , G01F23/02
摘要： A sight glass assembly for use with a peep hole of a pressure vessel, comprising a glass plate and a reinforcing metal ring, said ring framing said plate in a manner of tightly enclosing said plate over a substantially cylindrical boundary surface between said plate and said ring and presenting an end face substantially flush with a surface of said plate, wherein said cylindrical boundary surface is tapered adjacent and toward said end face to present a base angle of substantially 45* so that the stress-concentration expected to occur in the glass plate due to the hoop tension applied thereto by said ring will be relieved in said tapered boundary surface of said glass plate and said ring.
摘要翻译：一种用于与压力容器的窥视孔一起使用的视镜组件，包括玻璃板和加强金属环，所述环以使所述板在所述板和所述环之间的基本上圆柱形的边界表面上紧密地包围的方式框架所述板并且呈现与所述板的表面基本齐平的端面，其中所述圆柱形边界表面相邻并朝向所述端面逐渐变细，以呈现大致45度的底角，使得预期在玻璃板中发生的应力集中为由所述环施加到其上的环向张力将在所述玻璃板和所述环的所述锥形边界表面中被释放。

19. 发明授权

US3475859A Device for observing the contents of an enclosure 失效
标题翻译：用于观察外观内容的设备
公开(公告)号：US3475859A
公开(公告)日：1969-11-04
申请号：US3475859D
申请日：1967-11-17
申请人： CENTRE NAT RECH METALL
发明人： PIRLET ROBERT
IPC分类号： B01J3/00 , B01J19/00 , C21B7/24 , F23M11/04 , G01F23/292 , E06B7/00 , E06B7/12
CPC分类号： C21B7/24 , B01J3/004 , B01J19/0053 , F23M11/042 , G01F23/292

20. 发明授权

US10634865B2 Sight glass apparatus 有权
公开(公告)号：US10634865B2
公开(公告)日：2020-04-28
申请号：US15319871
申请日：2015-06-23
申请人： Process Vision Ltd.
发明人： Paul Stockwell , David Widdup , Jon Raynes
IPC分类号： G02B7/00 , B01J3/00 , G01D11/26
CPC分类号： G02B7/007 , B01J3/004 , G01D11/26
摘要： A sight glass apparatus for viewing the interior of a pressurised vessel, chamber or a pipe conveying fluid under pressure is described. The sight glass apparatus comprises a sight glass assembly mounted over an opening into the vessel, chamber or pipe, the sight glass assembly comprising a sight glass adjacent the opening which provides a window to the inside of the vessel, chamber or pipe, and a containment vessel mounted behind and/or around the sight glass assembly for containing fluid exiting the opening in the pipe in the event that the sight glass assembly fails. In this way, even if the sight glass assembly fails, the pressurised fluid within the pressurised vessel, chamber or pipe is safely contained. In addition, a secondary sight glass can be provided behind the first, with a liquid or gel, or minimal gap, between the primary and secondary glasses to reduce the likelihood of a failure in the first sight glass triggering failure of the second sight glass, and/or a valve can be provided to automatically isolate the pressure system upon a sight glass failure.

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