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公开(公告)号：US20100166373A1
公开(公告)日：2010-07-01
申请号：US12663178
申请日：2009-02-20
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
摘要翻译： 提供了具有小弯曲损耗的光纤，可以可靠地防止由于安装或其他操作期间的意外弯曲而导致的断裂，并且符合G.652标准。 光纤1包括芯11，第一包层12，第二包层13和第三包层14.芯11的相对折射率差Dgr; 1在0.3％至0.38％的范围内，相对 第一包层12的折射率差Dgr2等于或小于0％，第二包层13的相对折射率差Dgr 3在-1.8％至-0.5％的范围内。 第二包层13的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08081856B2
公开(公告)日：2011-12-20
申请号：US13113668
申请日：2011-05-23
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
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公开(公告)号：US08249407B2
公开(公告)日：2012-08-21
申请号：US13304163
申请日：2011-11-23
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. The optical fiber includes a core, a first cladding, a second cladding and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于安装或其他操作期间的意外弯曲而导致弯曲损耗小的光纤被破裂，符合G.652标准。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08301001B2
公开(公告)日：2012-10-30
申请号：US13486813
申请日：2012-06-01
IPC分类号： G02B6/36
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations. The optical fiber includes a core, a first cladding, a second cladding, and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于在安装或其他操作期间的意外弯曲而具有小的弯曲损耗的光纤被破裂。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式0.4r2 + 10.5
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公开(公告)号：US20120141077A1
公开(公告)日：2012-06-07
申请号：US13304163
申请日：2011-11-23
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. The optical fiber includes a core, a first cladding, a second cladding and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于安装或其他操作期间的意外弯曲而导致弯曲损耗小的光纤被破裂，符合G.652标准。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US20120237174A1
公开(公告)日：2012-09-20
申请号：US13486813
申请日：2012-06-01
IPC分类号： G02B6/44
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations. The optical fiber includes a core, a first cladding, a second cladding, and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于在安装或其他操作期间的意外弯曲而具有小的弯曲损耗的光纤被破裂。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08081855B2
公开(公告)日：2011-12-20
申请号：US12663178
申请日：2009-02-20
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
摘要翻译： 提供了具有小弯曲损耗的光纤，可以可靠地防止由于安装或其他操作期间的意外弯曲而导致的断裂，并且符合G.652标准。 光纤1包括芯11，第一包层12，第二包层13和第三包层14.芯11的相对折射率差Dgr; 1在0.3％至0.38％的范围内，相对 第一包层12的折射率差Dgr2等于或小于0％，第二包层13的相对折射率差Dgr 3在-1.8％至-0.5％的范围内。 第二包层13的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US5280506A
公开(公告)日：1994-01-18
申请号：US714237
申请日：1991-06-12
申请人： Katsumi Yamada , Hiroshi Miyano , Noboru Saito , Tetsuzo Yamamoto , Hideaki Takahashi , Takashi Matsunaga , Shigeki Arai
发明人： Katsumi Yamada , Hiroshi Miyano , Noboru Saito , Tetsuzo Yamamoto , Hideaki Takahashi , Takashi Matsunaga , Shigeki Arai
CPC分类号： G21D1/02 , F16K1/10 , G21Y2002/101 , G21Y2002/303 , G21Y2004/304 , Y02E30/40
摘要： A main steam isolation valve of a reactor power plant comprises a valve body provided with inlet and outlet portions through which a steam flows, a cylindrical valve disk accommodated in the valve body to be reciprocatingly movable therein along an inner peripheral surface of the valve body for opening and closing the steam flow inlet portion and a driving mechanism secured to the valve body and operatively connected to the valve disk for reciprocatingly moving the valve disk in the valve body. A coupling member is applied to an end opening of the valve body for holding the valve disk when the valve disk is shifted to a position fully opening the inlet portion. A tubular wall member is integrally formed with the valve body so as to surround the valve disk with a gap therebetween when the valve disk is fully opened. A guide rib is further disposed to the valve body for causing asymmetric steam flow in the inlet portion of the steam flow of the valve body.
摘要翻译： 反应堆发电厂的主要蒸汽隔离阀包括：阀体，其设置有蒸汽流过的入口和出口部分，容纳在阀体中的圆柱形阀盘，以沿着阀体的内周面往复运动， 打开和关闭蒸汽流入口部分和驱动机构，该驱动机构固定到阀体并可操作地连接到阀盘，用于使阀盘往复移动。 当阀盘移动到完全打开入口部分的位置时，联接构件被施加到阀体的端部开口，用于保持阀盘。 当阀盘完全打开时，管状壁构件与阀体一体地形成为围绕阀盘，其间具有间隙。 引导肋还设置在阀体上，用于在阀体的蒸汽流的入口部分引起不对称的蒸汽流动。
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公开(公告)号：US5262091A
公开(公告)日：1993-11-16
申请号：US886189
申请日：1992-05-21
申请人： Tadashi Narabayashi , Hiroshi Miyano , Osamu Ozaki , Wataru Mizumachi , Akira Tanabe , Akio Shioiri , Hiroshi Tonegawa , Takenori Ishiyama
发明人： Tadashi Narabayashi , Hiroshi Miyano , Osamu Ozaki , Wataru Mizumachi , Akira Tanabe , Akio Shioiri , Hiroshi Tonegawa , Takenori Ishiyama
CPC分类号： F04F5/54 , F04F5/461 , F04F5/50 , F22D11/02 , G21C15/18 , G21C1/084 , G21C2015/185 , G21Y2002/206 , G21Y2004/304 , Y02E30/40 , Y10S261/13 , Y10S261/76 , Y10S261/78
摘要： A steam injector system comprises a plurality of steam injectors each being provided with with a check valve adapted for water supply, a check valve adapted for steam supply, a check valve adapted for overflow and a check valve adapted for discharge and the respective water check valves, steam check valves, overflow check valves and discharge check valves are connected. In another aspect, a steam injector system comprises a plurality of first to last stage steam injectors arranged in series with each other, the last stage steam injector being provided with a relief valve disposed at a last stage overflow drain port, and a pressure pulsation absorbing device is disposed at least between the last stage overflow drain valve and the relief valve. A steam injector of an improved structure comprises an outer casing, a water nozzle disposed in the casing so as to extend axially therein, a central steam nozzle disposed inside the water nozzle coaxially therewith, a steam-water mixing nozzle disposed on a downstream side of the water nozzle and the central steam nozzle, and a peripheral steam nozzle mounted to the casing at a portion to supply steam from an outside into the steam-water mixing nozzle, wherein the steam is supplied so as to flow inside and outside the water.
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公开(公告)号：US20100104247A1
公开(公告)日：2010-04-29
申请号：US12528914
申请日：2008-03-06
申请人： Tsuyoshi Imaizumi , Katsuyuki Aihara , Hiroshi Miyano , Masahiro Hamada , Akio Kishi , Yoshiaki Terasawa , Keiju Okabe , Hiroshi Miyabayashi
发明人： Tsuyoshi Imaizumi , Katsuyuki Aihara , Hiroshi Miyano , Masahiro Hamada , Akio Kishi , Yoshiaki Terasawa , Keiju Okabe , Hiroshi Miyabayashi
CPC分类号： G02B6/48 , G02B6/4446
摘要： An optical access network system for making a connection between a central-office optical cable and a subscriber optical cable is provided, the optical access network system being capable of facilitating the operation of laying optical cable. The optical access network system includes a connecting optical cable for forming a connection with one or a plurality of the subscriber optical cables, the connecting optical cable being obtained by assembling together a plurality of component cables having the same number of fibers as the one or plurality of subscriber optical cables. This optical access network system preferably further includes a subscriber enclosure for connecting one of the subscriber cables from among the one or plurality of subscriber optical cables and one of the component cables from among the plurality of component cables of the connecting cable.
摘要翻译： 提供了一种用于在中心局光缆和用户光缆之间建立连接的光接入网系统，该光接入网系统能够有助于铺设光缆的操作。 光接入网络系统包括用于与一个或多个用户光缆形成连接的连接光缆，连接光缆是通过将具有相同数量的光纤的多个部件电缆组合在一起而获得的， 的用户光缆。 该光接入网络系统优选地还包括用户外壳，用于从一个或多个用户光缆中的一个用户电缆中的一个连接到连接电缆的多个分量电缆中的一个分量电缆。
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