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    • 1. 发明专利
    • Fluid machine
    • 流体机
    • JP2012026324A
    • 2012-02-09
    • JP2010164083
    • 2010-07-21
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MIYATAKE TOSHIYUKI
    • F04C27/00F04C18/16
    • PROBLEM TO BE SOLVED: To provide a fluid machine capable of efficiently reducing pressure in a seal space between seal members in a bearing chamber while maintaining a small distance between a rotor and a bearing for supporting a rotor shaft of the rotor.SOLUTION: A high-pressure side first seal member 30 and a high-pressure side second seal member 31 for sealing a space between a rotor shaft 14 and a casing 11 are provided in a high-pressure side bearing chamber 16 in order from a rotor chamber 12 side with a space therebetween. A first diffusion space 37 which diffuses an object fluid entering from a high-pressure side first communication passage 35 so that pressure in the high-pressure side first seal space 33 is equal to or lower than the durable pressure of the high-pressure side second seal member 31 and which communicates with the outside of the casing 11 is provided at the other side of the high-pressure side first communication passage 35 continuous to, at one side, the high-pressure side first seal space 33 formed between the high-pressure side first seal member 30 and the high-pressure side second seal member 31.
    • 要解决的问题:提供一种流体机械,其能够有效地减小轴承室中的密封构件之间的密封空间中的压力,同时保持转子和用于支撑转子的转子轴的轴承之间的较小距离。 解决方案:高压侧第一密封构件30和用于密封转子轴14和壳体11之间的空间的高压侧第二密封构件31按顺序设置在高压侧轴承室16中 来自转子室12侧,其间具有空间。 扩散从高压侧第一连通路35进入的物体的第一扩散空间37,使得高压侧的第一密封空间33的压力等于或低于高压侧的第二密封空间33的耐久压力 在高压侧第一连通路35的另一侧设置有与壳体11的外部连通的密封构件31,该高压侧第一连通路35的一侧与形成在高压侧的高压侧第一密封空间33连接, 压力侧第一密封构件30和高压侧第二密封构件31.版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Shaft sealing structure and rotary fluid machine
    • 轴封结构和旋转流体机
    • JP2012246979A
    • 2012-12-13
    • JP2011118156
    • 2011-05-26
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MIYATAKE TOSHIYUKIKUWABARA HIDEAKI
    • F16J15/447F04C27/00F16J15/28F16J15/453
    • PROBLEM TO BE SOLVED: To provide a shaft sealing structure which does not present a decrease in shaft sealing capability due to a bend of a shaft.SOLUTION: The shaft sealing structure includes first projections 6, 7, 8, 10, 11, 12, 15 that project toward a rotation shaft from a housing 1 enclosing the rotation shaft 3 with a clearance therefrom and forms annular seal surfaces 16 perpendicular to the rotation shaft 3, second projections 5, 6, 7, 9, 10, 13, 14 that project from the housing 1 toward the shaft and form support surfaces 17 opposed to the seal surfaces 16, seal rings 18 that are arranged between the first projections 6, 7, 8, 10, 11, 12, 15 and the second projections 5, 6, 7, 9, 10, 13, 14 and have an inner diameter slightly larger than the outer diameter of the shaft, and biasing members 19 that are arranged between the seal rings 18 and the support surfaces 17 and press the seal rings 18 against the seal surfaces 16.
    • 要解决的问题:提供一种不会由于轴的弯曲导致的轴封能力降低的轴密封结构。 解决方案:轴密封结构包括从包围旋转轴3的壳体1朝向旋转轴突出的第一突起6,7,8,10,11,12,15,其形成有环形密封表面16 垂直于旋转轴3的第二突起5,6,7,9,10,13,14从壳体1向轴突出并形成与密封表面16相对的支撑表面17,密封环18布置在 第一突起6,7,8,10,11,12,15以及第二突起5,6,7,9,10,13,14,并且具有稍微大于轴的外径的内径,并且偏压 构件19布置在密封环18和支撑表面17之间,并将密封环18压靠在密封表面16上。版权所有:(C)2013,JPO&INPIT
    • 4. 发明专利
    • Water injection type steam compressor
    • 注水式蒸汽压缩机
    • JP2012251757A
    • 2012-12-20
    • JP2011127205
    • 2011-06-07
    • Kobe Steel Ltd株式会社神戸製鋼所
    • KUWABARA HIDEAKIMIYATAKE TOSHIYUKIMATSUKUMA MASAKI
    • F25B1/00F25B1/047
    • PROBLEM TO BE SOLVED: To provide a water injection steam compressor capable of preventing a discharge steam amount from being decreased while preventing discharge steam from being superheated steam by having a composition capable of accurately grasping the temperature of make-up water and a status amount of suction steam.SOLUTION: The water injection type steam compressor 1 includes: an inlet side drain separator 9 attached to a suction pipe 6; a water jet pump 4 for jetting the make-up water into a compression space of the inside of a screw compressor 2; a feed water thermometer 18 for detecting the temperature of the make-up water; and a control part 5 for controlling a jetting amount of the make-up water. The control part 5 controls the jetting amount of the make-up water so that output energy of the screw compressor 2 remaining consumed in order to increase the suction steam up to prescribed discharge pressure and the heating value of vaporization of the make-up water are equal to each other on the basis of specific enthalpy of the suction steam made to flow through the suction pipe 6 of a lower side rather than the inlet side drain separator 9 and specific enthalpy of the make-up water obtained with the detected value of the feed water thermometer 18.
    • 解决方案:提供一种能够通过具有能够准确地掌握化妆水的温度的组合物和防止排出蒸汽因过热蒸汽而被防止排出蒸汽量降低的水喷射蒸汽压缩机, 抽吸状态量。 解决方案:注水式蒸汽压缩机1包括:附接到吸入管6的入口侧排放分离器9; 用于将补充水喷射到螺杆式压缩机2的内部的压缩空间内的喷水泵4; 用于检测补充水的温度的给水温度计18; 以及用于控制补充水的喷射量的控制部5。 控制部5控制补充水的喷射量,使得螺杆式压缩机2的输出能量保持消耗,以便将吸入蒸汽增加到规定的排出压力和补充水的汽化的热值 基于通过下侧的吸入管6而不是入口侧排放分离器9流动的抽吸蒸汽的比焓彼此相等,并且通过检测到的值检测补充水的比焓 饮水温度计18.版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • 油冷式スクリュ圧縮機
    • 油冷式螺杆压缩机
    • JP2014214712A
    • 2014-11-17
    • JP2013094468
    • 2013-04-26
    • 株式会社神戸製鋼所Kobe Steel Ltd
    • MIYATAKE TOSHIYUKIYOSHIMURA SEIJIIMASHIRO TAKANORIYAMAZAKI HIROMU
    • F04C18/16F04C29/04
    • F04C18/16F04C29/04
    • 【課題】油冷式スクリュ圧縮機の性能を向上させるとともに、油冷式スクリュ圧縮機の圧縮機本体を収容するパッケージの小型化・低コスト化を実現する。【解決手段】互いに噛合する雄雌一対のスクリュ部31,32を備えるスクリュロータと、スクリュ部を収容するロータ室47及びロータ室の吸込側に連設されてガスが吸い込まれる吸込室46が形成されているケーシング30と、を有する圧縮機本体2と、圧縮機本体に供給された油を冷却する油冷却器8と、を備える油冷式スクリュ圧縮機1であって、スクリュ部が噛合するロータ噛合部39を覆うようにスクリュロータについての軸方向に延在するカバー部41が、吸込室の中に配設されているとともに、カバー部を冷却するための冷却媒体を流すための冷却通路44が、カバー部に対して前記ロータ室と連通しない状態で設けられている。【選択図】図2
    • 要解决的问题:为了实现油冷式螺杆式压缩机的容纳压缩机主体的封装的小型化和低成本,同时提高了油冷式螺杆式压缩机的性能。解决方案:一种油冷式螺杆式压缩机1,包括: 压缩机主体2具有螺旋转子,该螺杆转子包括相互啮合的公/母对的螺钉部31和32,容纳螺旋部的转子室47和形成有连续设置在吸入侧的吸入室46的壳体30 吸入气体的转子室; 以及用于冷却供给到压缩机主体的油的油冷却器8。 在油冷式螺杆式压缩机1中,在吸入室的内部设置有沿螺杆转子的轴向延伸以覆盖与螺杆部接合的转子接合部39的盖部41, 用于流动用于冷却盖部的冷却介质的通道44以与转子室非连通的状态设置到盖部。
    • 6. 发明专利
    • 油冷式スクリュ圧縮機
    • 油冷螺杆压缩机
    • JP2014214677A
    • 2014-11-17
    • JP2013092851
    • 2013-04-25
    • 株式会社神戸製鋼所Kobe Steel Ltd
    • IMASHIRO TAKANORIYOSHIMURA SEIJIMIYATAKE TOSHIYUKIYAMAZAKI HIROMU
    • F04C18/16F04C29/02
    • F04C18/16F04C29/02
    • 【課題】ロータ噛合部から噴出する高温の油滴やミスト状の油の飛散を抑制して、油冷式スクリュ圧縮機の性能を向上させるとともに、スクリュロータの回転による騒音を低減させる。【解決手段】互いに噛合する雄雌一対のスクリュロータ11,12と、スクリュロータを収容するロータ室27と、ロータ室の上流側に設けられてガスを吸い込む吸込室26と、を有するロータケーシング10と、を備える油冷式スクリュ圧縮機1であって、スクリュロータが噛合するロータ噛合部19を覆うようにロータ軸方向に延在する油捕集体21が、吸込室の中に配設されていて、油捕集体の表面及び/又は内部には、微小な隙間23aが形成されており、微小な隙間に入り込んだ油が、微小な隙間における毛細管現象によって捕集される。【選択図】図2
    • 要解决的问题:通过抑制从转子接合部喷射的高温油滴或雾油的飞溅,提高油冷螺杆式压缩机的性能,并且减少由螺杆转子旋转引起的噪音。解决方案: 冷却螺杆式压缩机1包括:一对相互啮合的阳螺纹转子11和内螺纹转子12; 以及转子壳体10,其具有容纳螺杆转子的转子室27,以及设置在转子室的上游侧的抽吸室26和吸入气体。 在吸入室中设置有以覆盖转子接合部19的方式延伸的转子轴向的集油体21,并且在表面上形成微小间隙23a, /或在集油体的内部,并且通过微小间隙中的毛细作用收集入微小间隙的油。
    • 7. 发明专利
    • Shaft sealing structure and rotary fluid machine
    • 轴封结构和旋转流体机
    • JP2012246980A
    • 2012-12-13
    • JP2011118160
    • 2011-05-26
    • Kobe Steel Ltd株式会社神戸製鋼所
    • MIYATAKE TOSHIYUKIKUWABARA HIDEAKI
    • F16J15/447F04C27/00F16J15/28
    • PROBLEM TO BE SOLVED: To provide a shaft sealing structure which does not present a decrease in shaft sealing capability due to a bend of a shaft.SOLUTION: The shaft sealing structure includes a plurality of shaft seal parts having: first projections 6, 7, 8, 10, 11, 12, 15 that project toward a rotation shaft from a housing 1 enclosing the rotation shaft 3 with a clearance therefrom and form annular seal surfaces 16 perpendicular to the rotation shaft 3; second projections 5, 6, 7, 9, 10, 13, 14 that project from the housing 1 toward the shaft and form support surfaces 17 opposed to the seal surfaces 16; seal rings 18 that are arranged between the first projections 6, 7, 8, 10, 11, 12, 15 and the second projections 5, 6, 7, 9, 10, 13, 14 and have an inner diameter slightly larger than the outer diameter of the shaft; and biasing members 19 that are arranged between the seal rings 18 and the support surfaces 17 and press the seal rings 18 against the seal surfaces 16. The housing 1 is provided with a seal fluid flow passage 22 for supplying seal fluid to a supply space formed between adjacent seal rings 18.
    • 要解决的问题:提供一种不会由于轴的弯曲导致的轴封能力降低的轴密封结构。 解决方案:轴密封结构包括多个轴密封部件,其具有:从包围旋转轴3的壳体1朝向旋转轴突出的第一突起6,7,8,10,11,12,15,其具有 形成与旋转轴3垂直的环形密封面16; 第二突起5,6,7,9,10,13,14从壳体1向轴突出并形成与密封表面16相对的支撑表面17; 密封环18布置在第一突起6,7,8,10,11,12,15和第二突起5,6,7,9,10,13,14之间,并且具有略大于外侧的内径 轴直径; 以及设置在密封环18和支撑表面17之间的偏置构件19,并将密封环18压靠在密封表面16上。壳体1设置有用于将密封流体供应到形成的供应空间的密封流体流动通道22 在相邻的密封环18之间。版权所有(C)2013,JPO&INPIT