会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Double-arc bearing lubricating oil system
    • 双凸轮轴承润滑油系统
    • JP2010216522A
    • 2010-09-30
    • JP2009061861
    • 2009-03-13
    • Toshiba Corp株式会社東芝
    • IKEDA KAZUNORIMIKAMI MAKOTOYAGISAWA HIROSHI
    • F16C17/02F01D25/00F01D25/16F16C33/10F16N7/38F16N27/02
    • PROBLEM TO BE SOLVED: To provide a reliable double-arc bearing lubricating oil system capable of reducing the bearing loss in ordinary operation, and capable of sufficiently securing lubrication between a rotating shaft and a bearing in an emergency such as an earthquake. SOLUTION: The double-arc bearing lubricating oil system 2 includes a double-arc bearing 9 having an upper half bearing 33 and a lower half bearing 34, a main lubricating oil pump 13 or a starting lubricating oil pump 14 for supplying lubricating oil 17 to a sliding surface 35, and vibration detection parts 28 and 29 for detecting vibration applied to a steam turbine rotor 8 and the double-arc bearing 9. A first oil communication hole 40 is provided in a region from a rotation downstream end 35ab of an upper half sliding surface 35a to a rotation upstream end 35ba of a lower half sliding surface 35b, and a second oil communication hole 41 is provided on the downstream side compared to a rotation downstream end 35bb of the lower half sliding surface 35b. When the vibration detected by the vibration detection parts 28 and 29 is equal to or higher than the prescribed value, the lubricating oil 17 is supplied through the first oil communication hole 40 and the second oil communication hole 41. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种可靠的双电弧轴承润滑油系统,其能够在通常的操作中减少轴承损耗,并且能够在诸如地震的紧急情况下在旋转轴和轴承之间充分确保润滑。

      解决方案:双圆轴承润滑油系统2包括具有上半轴承33和下半轴承34的双圆弧轴承9,主润滑油泵13或起动润滑油泵14,用于提供润滑 油17到滑动表面35,以及振动检测部分28和29,用于检测施加到蒸汽轮机转子8和双电弧轴承9的振动。第一油连通孔40设置在从旋转下游端35ab 与下半滑动面35b的旋转下游端部35bb相比,在下半侧设置上半滑动面35a至下半滑动面35b的旋转上游端部35ba,第二油连通孔41设置在下游侧。 当振动检测部28,29检测到的振动为规定值以上时,通过第一油连通孔40和第二油连通孔41供给润滑油17.版权所有(C) )2010,JPO&INPIT

    • 2. 发明专利
    • Rotating shaft sealing device
    • 旋转轴封密封装置
    • JP2010038291A
    • 2010-02-18
    • JP2008203103
    • 2008-08-06
    • Toshiba Corp株式会社東芝
    • YAMASHITA TATSUOMIKAMI MAKOTO
    • F16J15/34
    • PROBLEM TO BE SOLVED: To provide a rotating shaft sealing device which reduces a leak amount of fluid from sliding surfaces by causing no gap on the sliding surfaces between divided pieces of a non-rotating side sliding member. SOLUTION: The rotating shaft sealing device for a rotating machine includes the annular non-rotating side sliding members 2, which are divided in the circumferential direction, and an elastomer 5, which is wound around the outside circumference of the non-rotating side sliding members 2 and which presses the sliding members to the inside circumferential side. A sealing gap 6 is formed between the inside circumferential surface of the non-rotating side sliding members 2 and the outer surface of a rotating shaft at the time of rotation. In this device, the sliding surfaces 7 of the divided pieces of the adjacent non-rotating side sliding members 2 are inclined to the axis in the radial direction L. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种旋转轴密封装置,其通过在非旋转侧滑动构件的分割片之间的滑动面上不产生间隙而减小来自滑动表面的流体的泄漏量。 解决方案:旋转机械的旋转轴密封装置包括沿圆周方向分割的环形非旋转侧滑动构件2和弹性体5,弹性体5围绕非旋转的外周 侧滑动构件2,并且将滑动构件按压到内周侧。 在旋转时,在非旋转侧滑动构件2的内周面和旋转轴的外表面之间形成有密封间隙6。 在该装置中,相邻的非旋转侧滑动构件2的分割片的滑动面7相对于径向的轴线倾斜。版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Divided gas lubrication type foil bearing
    • 分体式气体润滑型密封轴承
    • JP2004183830A
    • 2004-07-02
    • JP2002353490
    • 2002-12-05
    • Toshiba Corp株式会社東芝
    • YAMASHITA TATSUOMIKAMI MAKOTOSAKAKIDA HITOSHITANAKA KOTARO
    • F01D25/16F02C7/06F16C27/02F16C35/02
    • F16C17/024F16C33/046
    • PROBLEM TO BE SOLVED: To provide a divided gas lubrication type foil bearing capable of determining the shape of a power transmitting shaft without being restricted by a foil shaft, reducing the torque during starting, and preventing the seizure of a bearing face. SOLUTION: In this divided gas lubrication type foil bearing, a bump foil is mounted at an inner peripheral side of a bearing housing, a top foil is mounted at an inner peripheral side of the pump foil, and the bearing housing is divided into two in the circumferential direction to have an independent structure by every divided piece, whereby the shape of the power transmitting shaft can be determined without restricted by the foil shaft, and the amount of transmitted power is not restricted by the foil bearing. Further the torque can be reduced during starting, the seizure of the bearing face can be prevented, and the stable operation can be kept regardless of a rotating speed in starting, load operation and stopping. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种分割气体润滑型箔轴承,其能够在不受箔轴限制的情况下确定动力传递轴的形状,减少起动时的扭矩,并且防止支承面的卡住。

      解决方案:在这种分开的气体润滑型箔片轴承中,凸块箔安装在轴承壳体的内周侧,顶箔安装在泵箔的内周侧,并且轴承壳体被分开 在圆周方向上分成两个,以便通过每个分片具有独立结构,由此可以在不受箔轴限制的情况下确定动力传递轴的形状,并且传递动力的量不受箔轴承的限制。 此外,在启动期间可以减小扭矩,可以防止轴承面的卡住,并且可以在起动,负载操作和停止的转速下保持稳定的运行。 版权所有(C)2004,JPO&NCIPI

    • 6. 发明专利
    • Foil type gas bearing
    • 石油类型气体轴承
    • JP2003021137A
    • 2003-01-24
    • JP2001204402
    • 2001-07-05
    • Toshiba Corp株式会社東芝
    • MIKAMI MAKOTOYAMASHITA TATSUOSAITO IKUO
    • F16C27/02
    • F16C25/02F16C17/024
    • PROBLEM TO BE SOLVED: To resolve a defect in a foil type gas bearing lubricating and supporting a rotary shaft of a dynamo-electric machine via a thin gas lubricating film wherein a clearance between the rotary shaft and a bearing surface is reduced by expansive deformation of the rotary shaft in high speed rotation of the rotary shaft, contact, slipping, vibration or the like are caused in some cases, and stable bearing performance can not be exercised due to wear of a foil surface or the like. SOLUTION: By providing a substantially ring like back foil between a foil and a bearing housing and providing a driving member changing an inner diameter of the back foil in response to a rotating state of the rotary shaft, the inner diameter of the back foil and the clearance between the rotary shaft and the bearing surface are enlarged during high speed rotation of the rotary shaft, contact, wear or the like are prevented, and stable bearing performance is provided.
    • 要解决的问题:为了解决通过薄气体润滑膜润滑并支撑发电机的旋转轴的箔型气体轴承中的缺陷,其中旋转轴和支承表面之间的间隙由于膨胀变形而减小 在某些情况下,旋转轴的高速旋转的旋转轴,接触,滑动,振动等产生,并且由于箔表面等的磨损,不能实现稳定的轴承性能。 解决方案:通过在箔和轴承壳体之间提供大致环形的背箔,并提供响应于旋转轴的旋转状态改变背箔的内径的驱动构件,背箔的内径和 旋转轴的高速旋转期间,旋转轴与支承面之间的间隙扩大,防止了接触,磨损等,提供了稳定的轴承性能。
    • 7. 发明专利
    • Pad type journal bearing and method of assembling the same
    • PAD类型JOURNAL轴承及其组装方法
    • JP2011064286A
    • 2011-03-31
    • JP2009216416
    • 2009-09-18
    • Toshiba Corp株式会社東芝
    • IKEDA KAZUNORIHIRANO TOSHIOMIKAMI MAKOTOSAKAKIDA HITOSHI
    • F16C17/03
    • PROBLEM TO BE SOLVED: To enhance workability of installation of a rotor of a pad type journal bearing having a construction in which a part of a pad held on the lower half of a bearing body projects higher than a horizontal split plane.
      SOLUTION: The pad type journal bearing is provided with the upper half and lower half of the bearing body of which a lower portion is laid on a bearing stand 16 and is further bisected into top and bottom at the horizontal split plane 14 and pads 4 which are plurally disposed on inner peripheral surfaces of the upper half and lower half of the bearing body in circumferential direction. Upper end of inner periphery of the pad 4 adjacent to the horizontal split plane 14 among the pads 4 provided on the inner peripheral surface of the lower half of the bearing body projects as far as a position higher than the horizontal split plane. The bearing is configured so as to provide at least on either the lower half of the bearing body or the pads with a mounting seat of a move means which moves the upper end of the inner periphery of the pad 4 adjacent to the horizontal split plane 14 outside radial direction in the pad type journal bearing of such a configuration.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提高垫片型轴颈轴承的转子的可加工性,其具有这样的构造,其中保持在轴承体的下半部上的一部分垫突出于水平分割平面以上。 解决方案:垫型轴颈轴承设置有轴承体的上半部和下半部,其下部布置在轴承座16上,并且在水平分割平面14处进一步平分成顶部和底部, 垫圈4,其多个设置在轴承体的上半部和下半部的圆周方向的内周面上。 在设置在轴承体的下半部的内周面上的垫4之中,靠近水平分割平面14的垫4的内周的上端突出到高于水平分割面的位置。 轴承构造成至少在轴承体的下半部或垫上提供移动装置的安装座,移动装置使垫4的内周的上端相邻于水平分割平面14 在这种构造的垫型轴颈轴承中的径向外侧。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Sealing device and rotary machine
    • 密封装置和旋转机
    • JP2009085336A
    • 2009-04-23
    • JP2007255595
    • 2007-09-28
    • Toshiba Aitekku KkToshiba Corp東芝アイテック株式会社株式会社東芝
    • HIRANO TOSHIOIKEDA KAZUNORISAKAKIDA HITOSHIMIKAMI MAKOTOYAMASHITA TATSUOTSUTSUI MASASHI
    • F16J15/44
    • PROBLEM TO BE SOLVED: To provide a sealing device which moves a nonrotary body parallel to a rotary unit and thereby holds a gap between the nonrotary and rotary units at a proper value to maintain a noncontact state therebetween when the rotary and nonrotary units axially moves to thereby yield a relative displacement and further provide a rotary machine.
      SOLUTION: The sealing device and the rotary machine according to the present invention is equipped with a nonrotary-side mobile object 23 provided between a rotating shaft 18 equipped with a collar 19 and a casing 17, and a nonrotary-side mobile object moving mechanism 26 which moves in parallel the nonrotary-side mobile object 23 along with the axial movement of the rotary shaft 18 and besides maintains the collar 19 and the nonrotary-side mobile object 23 in a noncontact state.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种密封装置,其使非旋转体平行于旋转单元移动,从而在非旋转单元和旋转单元之间以适当的值保持间隙,以保持其间的非接触状态。 轴向移动,从而产生相对位移,并进一步提供旋转机器。 解决方案:根据本发明的密封装置和旋转机械配备有设置在配备有轴环19和壳体17的旋转轴18和非旋转侧移动体之间的非旋转侧移动体23 移动机构26随着旋转轴18的轴向运动而平行移动非旋转侧移动体23,并且还将轴环19和非旋转侧移动体23保持在非接触状态。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Brush sealing device
    • 刷子密封装置
    • JP2005337448A
    • 2005-12-08
    • JP2004159596
    • 2004-05-28
    • Toshiba Corp株式会社東芝
    • YAMASHITA TATSUOSAKAKIDA HITOSHIICHIMONJI MASAYUKIMIKAMI MAKOTO
    • F04D29/10F16J15/22
    • F16J15/3288
    • PROBLEM TO BE SOLVED: To prevent a fluid from being blown out by reducing the size of the structure of a seal portion to eliminate a clearance between the tip of a wire and the surface of a rotating shaft.
      SOLUTION: This brush sealing device seals a working fluid axially flowing along the surface of the rotating shaft 101 in a clearance between the rotating shaft formed by passing a pressure vessel 106 or a pressure partition wall 105 partitioning the pressure vessel into multiple chambers in which pressure difference occur and a hole in which the rotating shaft in the pressure partition wall is passed by disposing the bundle of wires 2 from the hole peripheral face of the pressure partition wall 105 to the surface of the rotating shaft 101. The bundle of the wires 2 are brought into contact, at acute angle, with the surface of the rotating shaft 101 in the direction of a high pressure side, and the length of the wires 2 reaches the surface of the rotating shaft from the hole peripheral surface in the pressure partition wall 105 or is formed longer than the length of the radial clearance.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了防止通过减小密封部分的结构的尺寸来消除流体,以消除线的尖端和旋转轴的表面之间的间隙。 解决方案:该刷式密封装置将沿着旋转轴101的表面轴向流动的工作流体密封在通过压力容器106或将压力容器分隔成多个室的压力分隔壁105形成的旋转轴之间的间隙中 其中压差发生,并且通过将电线2从压力分隔壁105的孔周面设置到旋转轴101的表面,使压力分隔壁中的旋转轴通过的孔。 电线2以锐角与旋转轴101的表面沿高压侧接触,并且电线2的长度从第二侧的孔周面到达旋转轴的表面 压力分隔壁105或形成为比径向间隙的长度更长。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Foil type gas bearing device
    • 石油类型气体轴承装置
    • JP2005009556A
    • 2005-01-13
    • JP2003173640
    • 2003-06-18
    • Toshiba Corp株式会社東芝
    • SAKAKIDA HITOSHIMIKAMI MAKOTOTAKAHASHI NORIOTANAKA KOTARO
    • F16C27/02
    • PROBLEM TO BE SOLVED: To provide a foil type gas bearing device preventing damage by contact of a journal with a top foil forming a bearing surface caused by vibration.
      SOLUTION: In this foil type gas bearing device provided with a top foil and a bump foil which are so formed to increase the load capacity of a bearing that a locally high dynamic pressure part is eliminated by utilizing the elastic deformation of the bearing surface to receive load, and also a mean dynamic pressure is produced over the wide range of the bearing surface, the axial length of both ends of the bump foil is set shorter than the axial length of the top foil supported by the bump foil, therefore, damage by the contact of the journal with the bearing surface caused by the jumping up of the top foil at both bearing ends where dynamic pressure is hardly produced and a gaseous film is thinned, can be eliminated.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种箔型气体轴承装置,其通过轴颈与由振动引起的形成轴承表面的顶部箔片的接触来防止损坏。 解决方案:在该箔式气体轴承装置中,设置有顶部箔和凸块箔,其形成为通过利用轴承的弹性变形来增加局部高动压部件被消除的轴承的负载能力 表面接受负载,并且在轴承表面的宽范围内产生平均动态压力,凸块箔的两端的轴向长度被设定为比由凸块箔支撑的顶部箔片的轴向长度短 可以消除由于在几乎不产生动态压力和气膜变薄的两个轴承端上顶部箔片的跳跃而导致的轴颈与轴承表面的接触的损坏。 版权所有(C)2005,JPO&NCIPI