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1. 发明申请

WO0003164A8 SHAFT SEAL AND TURBINE USING THE SHAFT SEAL 审中-公开
标题翻译： SHAFT密封和涡轮使用轴封
公开(公告)号：WO0003164A8
公开(公告)日：2000-06-08
申请号：PCT/JP9903760
申请日：1999-07-13
申请人： MITSUBISHI HEAVY IND LTD , SHINOHARA TANEHIRO , AKAGI KOUITI , YURI MASANORI , TOYODA MASAHIKO , OZAWA YUTAKA , KAWAGUCHI AKIHIRO , SAKAKIBARA SETUNORI , YOSHIDA ZENICHI , KUNITAKE NOBUHIRO , OHTA TAKAHIRO , NAKANE HIDEHIKO , ITO EISAKU , KAWATA YUTAKA , TAKESHITA KOJI
发明人： SHINOHARA TANEHIRO , AKAGI KOUITI , YURI MASANORI , TOYODA MASAHIKO , OZAWA YUTAKA , KAWAGUCHI AKIHIRO , SAKAKIBARA SETUNORI , YOSHIDA ZENICHI , KUNITAKE NOBUHIRO , OHTA TAKAHIRO , NAKANE HIDEHIKO , ITO EISAKU , KAWATA YUTAKA , TAKESHITA KOJI
IPC分类号： F01D11/00 , F16J15/32 , F16J15/18 , F01D11/02
CPC分类号： F16J15/3288 , F01D11/001 , F05D2240/56 , F16J15/3292 , Y02T50/671
摘要： A shaft seal excellent in wear resistance which reduces the amount of gas leakage from a high pressure side to a low pressure side, wherein flexible thin sheets (18) are laminated in ring-shape and disposed mainly around a rotating shaft (11) of a gas turbine, the turbine comprises a casing (12), a compressor, a rotating shaft (11), rotor vanes installed on the rotating shaft (11), and stator vanes installed in the casing (12) so that they are opposed to the rotor vanes, and the shaft seal is disposed between the plurality of stator vanes and the rotating shaft (11) so that each thin sheet (18) is brought into contact with the rotating shaft (11), whereby, during the rated operation, the tips of the thin sheets (18) are floated slightly from the surface of the rotating shaft (11) by a dynamic pressure caused by the rotation of the rotating shaft (11) and, when the operation is stopped, the tips of the thin sheets touch the rotating shaft (11) again by an elastic restoring force of the thin sheets (18).
摘要翻译：一种耐磨性优异的轴密封件，其减少从高压侧到低压侧的气体泄漏量，其中柔性薄片（18）以环形层叠并且主要围绕在旋转轴（11）周围涡轮机包括壳体（12），压缩机，旋转轴（11），安装在旋转轴（11）上的转子叶片和安装在壳体（12）中的定子叶片，使得它们与转子叶片，并且轴密封件设置在多个定子叶片和旋转轴（11）之间，使得每个薄片（18）与旋转轴（11）接触，从而在额定操作期间，薄片（18）的尖端由旋转轴（11）的旋转引起的动态压力从旋转轴（11）的表面稍微浮动，并且当操作停止时，薄片通过弹性恢复力再次接触旋转轴（11）薄片（18）。

2. 发明专利

FR2594930A1 DISPOSITIF D'ETANCHEITE POUR MACHINE TOURNANTE 未知
公开(公告)号：FR2594930A1
公开(公告)日：1987-08-28
申请号：FR8603333
申请日：1986-03-10
申请人： MITSUBISHI HEAVY IND LTD , MITSUBISHI HEAVY IND LTD
发明人： KATAYAMA KAZUZO , KAZUZO KATAYAMA YASUSHI MORI HIROSHI KANKI SHIGEKI MORII KOJI TAKESHITA YUTAKA OZAWA ET ZENICHI YOSH , MORI YASUSHI , KANKI HIROSHI , MORII SHIGEKI , TAKESHITA KOJI , OZAWA YUTAKA , YOSHIDA ZENICHI
IPC分类号： F01D25/18 , F16J15/40 , F04D29/12 , F16J15/44 , F16J15/54
摘要： Dispositif d'étanchéité pour machine tournante. L'invention concerne un dispositif d'étanchéité pour une machine tournante. La machine comporte un corps tournant 1 et un élément fixe 33, 34, 35. L'élément fixe définit avec le corps tournant 1 une gorge intérieure qui est fermée de manière étanche par des bagues 31, 32. Dans ladite gorge est placée une bague 41 qui peut se déplacer seulement radialement et qui définit un espace intérieur avec le corps tournant 1 et un espace extérieur avec l'élément fixe. Un orifice 48, 50 permet d'alimenter la gorge intérieure en fluide d'étanchéité. Une pellicule de fluide d'étanchéité se maintient de part et d'autre de la bague 41. L'espace annulaire intérieur est divisé en une pluralité d'espaces en arc de section décroissante dans le sens de rotation du corps tournant 1. (CF DESSIN DANS BOPI)

3. 发明公开

EP2772670A4 DRY GAS SEAL STRUCTURE 有权
标题翻译：干气密封结构
公开(公告)号：EP2772670A4
公开(公告)日：2015-08-19
申请号：EP11864131
申请日：2011-10-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： HORI TAKUMI , FUNAKOSHI HIROSHI , MAEDA MANABU , UEHARA HIDEKAZU , YAMASHITA KAZUHIKO , YOSHIDA ZENICHI
IPC分类号： F16J15/40 , F16J15/34
CPC分类号： F16J15/40 , F16J15/3404 , F16J15/3492
摘要： The dry gas seal structure (10) has a housing (12) that houses a fluid in a supercritical state, a rotary shaft (13) that penetrates the housing (12), rotation rings (25) that rotate integrally with the rotary shaft (13), stationary rings (28) that contact with the rotation rings (25) when the rotary shaft (13) is stopped and stationary positioned in a state in which sealing gaps (30) are formed between the rotation rings (25) and the stationary rings when the rotary shaft (13) rotates, a circulating pipe path (20) that supplies a portion of the fluid to inlet portions of the sealing gaps (30), a temperature-adjusting device that adjusts the temperature of the fluid flowing through the circulating pipe path (20), and a control unit (C) that controls operation of the temperature-adjusting device so as to heat the inlet portions of the sealing gaps (30) to a predetermined temperature before the rotary shaft (13) is driven.

4. 发明专利

DE69936636T2 未知
公开(公告)号：DE69936636T2
公开(公告)日：2008-05-21
申请号：DE69936636
申请日：1999-02-22
申请人： MITSUBISHI HEAVY IND LTD
发明人： MAGOSHI RYOTARO , KONISHI TETSU , YOSHIDA ZENICHI
IPC分类号： F01D11/00 , F01D11/02 , F01D25/16 , F02C7/28 , F16J15/34 , F16J15/44 , F16J15/447
摘要： Seal ring provided between rotating portion and fixed portion in rotating machine of steam turbine and the like is improved to carry out predetermined movement accurately so as not to cause deterioration of sealing performance. Seal ring is split into upper, lower, right side and left side seal ring pieces 1a, 1b, 1c, 1d, contacting slidably with each other via split planes 3a, 3b, 3c, 3d with spaces 9a, 9b, 9c, 9d being formed in the respective split planes. Springs 4a, 4b, 4c, 4d are interposed in the spaces 9a to 9d for activation in upward and downward directions. The upper and lower seal ring pieces 1a, 1b are engaged with seal ring guides 5a, 5b and 6a, 6b and the right side and left side seal ring pieces 1c, 1d are engaged with seal ring guides 7, 8 so that all of the seal ring pieces 1a to 1d are slidable in the upward and downward directions. Further, on the respective tips of the seal ring guides 5a, 5b and 6a, 6b, spaces 10a, 10b of the upper seal ring piece 1a and spaces 10c, 10d of the lower seal ring piece 1b are formed and springs 11a, 11b, 11e, 11d are provided in the spaces 10a to 10d for activation in the upward and downward directions. The respective seal ring pieces are prevented from skirmishing with each other and the upper and lower seal ring pieces move toward the inner side at the time of load so as to make narrower the clearances between seal fins 2a, 2b and corresponding rotor surface.

5. 发明公开

EP1061237A4 SEAL RING FOR STEAM TURBINE 有权
标题翻译：密封环的汽轮机数字电
公开(公告)号：EP1061237A4
公开(公告)日：2004-09-01
申请号：EP99906455
申请日：1999-02-22
申请人： MITSUBISHI HEAVY IND LTD
发明人： MAGOSHI RYOTARO , KONISHI TETSU , YOSHIDA ZENICHI
IPC分类号： F01D11/00 , F01D11/02 , F01D25/16 , F02C7/28 , F16J15/34 , F16J15/44 , F16J15/447
CPC分类号： F01D11/025 , F02C7/28 , F05D2220/31 , F05D2230/64 , F16J15/442
摘要： A seal ring used between rotating parts of a rotating machine such as a steam turbine capable of preventing a sealing performance from lowering by accurately moving the seal ring as specified, comprising seal ring part pieces respectively constituting divided upper and lower parts and right and left parts of the ring, wherein these divided pieces are arranged so that the one side surfaces of them are brought in contact slidably with each other by a vertically energized spring installed between one side surfaces of the seal ring parts, and a seal guide for guiding the seal ring part pieces in vertical direction is provided to prevent a collision between the seal ring part pieces and to move them inward under load so as to reduce clearances between seal fins and corresponding surfaces.

6. 发明公开

EP1013975A4 SHAFT SEAL AND TURBINE USING THE SHAFT SEAL 有权
标题翻译：轴封和涡轮这样的SEAL
公开(公告)号：EP1013975A4
公开(公告)日：2004-05-26
申请号：EP99929800
申请日：1999-07-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： SHINOHARA TANEHIRO , AKAGI KOUITI , YURI MASANORI , TOYODA MASAHIKO , OZAWA YUTAKA , KAWAGUCHI AKIHIRO , SAKAKIBARA SETUNORI , YOSHIDA ZENICHI , KUNITAKE NOBUHIRO , OHTA TAKAHIRO , NAKANE HIDEHIKO , ITO EISAKU , KAWATA YUTAKA , TAKESHITA KOJI
IPC分类号： F01D11/00 , F16J15/32 , F16J15/18 , F01D11/02
CPC分类号： F16J15/3288 , F01D11/001 , F05D2240/56 , F16J15/3292 , Y02T50/671
摘要： A shaft seal excellent in wear resistance which reduces the amount of gas leakage from a high pressure side to a low pressure side, wherein flexible thin sheets (18) are laminated in ring-shape and disposed mainly around a rotating shaft (11) of a gas turbine, the turbine comprises a casing (12), a compressor, a rotating shaft (11), rotor vanes installed on the rotating shaft (11), and stator vanes installed in the casing (12) so that they are opposed to the rotor vanes, and the shaft seal is disposed between the plurality of stator vanes and the rotating shaft (11) so that each thin sheet (18) is brought into contact with the rotating shaft (11), whereby, during the rated operation, the tips of the thin sheets (18) are floated slightly from the surface of the rotating shaft (11) by a dynamic pressure caused by the rotation of the rotating shaft (11) and, when the operation is stopped, the tips of the thin sheets touch the rotating shaft (11) again by an elastic restoring force of the thin sheets (18).

7. 发明专利

AU2011372779B2 Dry gas seal structure 未知
公开(公告)号：AU2011372779B2
公开(公告)日：2014-04-24
申请号：AU2011372779
申请日：2011-10-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： HORI TAKUMI , FUNAKOSHI HIROSHI , MAEDA MANABU , UEHARA HIDEKAZU , YAMASHITA KAZUHIKO , YOSHIDA ZENICHI
IPC分类号： F16J15/34
摘要： The dry gas seal structure (10) has a housing (12) that houses a fluid in a supercritical state, a rotary shaft (13) that penetrates the housing (12), rotation rings (25) 5 that rotate integrally with the rotary shaft (13), stationary rings (28) that contact with the rotation rings (25) when the rotary shaft (13) is stopped and stationary positioned in a state in which sealing gaps (30) are formed between the rotation rings (25) and the stationary rings when the rotary shaft (13) rotates, a circulating pipe path (20) that supplies a portion of the fluid to inlet portions of the sealing gaps (30), a 10 temperature-adjusting device that adjusts the temperature of the fluid flowing through the circulating pipe path (20), and a control unit (C) that controls operation of the temperature-adjusting device so as to heat the inlet portions of the sealing gaps (30) to a predetermined temperature before the rotary shaft (13) is driven.

8. 发明专利

MY118361A TURBOREFRIGERATOR 未知
公开(公告)号：MY118361A
公开(公告)日：2004-10-30
申请号：MYPI9704762
申请日：1997-10-10
申请人： MITSUBISHI HEAVY IND LTD
发明人： KISHIMOTO AKIO , UEDA KENJI , YOSHIDA ZENICHI
IPC分类号： F25B1/053 , F25B1/00 , F25B1/10 , F25B49/00 , F25B7/00 , F25B31/00 , F25B40/02
摘要： A TURBOREFRIGERATOR IN WHICH A COOLANT DISCHARGED FROM A TURBOCOMPRESSOR (30) IS CONDENSED IN A CONDENSER (2) BY DISSIPATING HEAT TO A COOLING MEDIUM AND IS THEN REDUCED BY A THROTTLING MECHANISM (47), AND THEREAFTER, THE COOLANT EVAPORATES BY ABSORBING HEAT FROM A COOLED MEDIUM IN AN EVAPORATOR (5) AND IS CIRCULATED TO THE TURBOCOMPRESSOR (30). THE PRESENT INVENTION SIMPLIFIES THE CONFIGURATION OF SUCH A TURBOREFRIGERATOR, SO THAT THE SIZE, WEIGHT AND COST THEREOF ARE REDUCED. MOREOVER, THE PRESENT INVENTION ENHANCES THE COEFFICIENT OF PERFORMANCE THEREOF AND PREVENTS LUBRICATING OIL AND A COOLING MEDIUM FROM BLENDING WITH EACH OTHER TO CAUSE INCONVENIENCES. THUS, THE TURBOREFRIGERATOR OF THE PRESENT INVENTION IS FURTHER PROVIDED WITH AN INVERTER MOTOR (32) WHOSE OUTPUT SHAFT (33) DIRECTLY CONNECTED TO AN IMPELLER (31) OF THE TURBOCOMPRESSOR (30) IS SUPPORTED BY A BEARING (39,40,41,42) LUBRICATED BY A LIQUID REFRIGERANT, AND WITH A CONTROL UNIT (48) ADAPTED TO CONTROL BOTH OF A SUCTION VANE (37), WHICH IS PROVIDED IN THE TURBOCOMPRESSOR (30), AND THE INVERTER MOTOR (32) BY ASSOCIATING SAID SUCTION VANE (37) AND THE INVERTER MOTOR (32) WITH EACH OTHER. (FIG.4A,4B,4C&4D)

9. 发明专利

CA2303151C SHAFT SEAL AND TURBINE USING THE SHAFT SEAL 未知
公开(公告)号：CA2303151C
公开(公告)日：2004-08-31
申请号：CA2303151
申请日：1999-07-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： ITO EISAKU , SHINOHARA TANEHIRO , YOSHIDA ZENICHI , NAKANE HIDEHIKO , TAKESHITA KOJI , TOYODA MASAHIKO , SAKAKIBARA SETUNORI , KAWATA YUTAKA , YURI MASANORI , AKAGI KOUICHI , OHTA TAKAHIRO , OZAWA YUTAKA , KAWAGUCHI AKIHIRO , KUNITAKE NOBUHIRO
IPC分类号： F01D11/00 , F16J15/3292 , F16J15/54
摘要： A shaft seal having a high abrasion resistance is disclosed, by which the leakage of the gas from the high-pressure side to the low-pressure side can be reduced. In the shaft seal, flexible leafs are multi-layered to form a ring shape. The shaft seal is mainly arranged around the rotation shaft of a gas turbine or the like. The relevant turbine comprises a casing, a compressor, a rotation shaft, moving blades attached to the rotation shaft, and stationary blades attached to the casing in a manner such that the stationary blades face the moving blades, wherein the shaft seals are provided between a plurality of stationary blades and the rotation shaft wherein the leaves of each shaft seal contact the rotation shaft. Under the rated operating conditions, the top ends of the leaves slightly separate from the surface of the rotation shaft due to the dynamic pressure generated by the rotation of the rotation shaft. When the turbine is not operated, the top ends of the leaves contact the rotation shaft again due to the elastic restoring force of the leaves.

10. 发明专利

CA2303151A1 SHAFT SEAL AND TURBINE USING THE SHAFT SEAL 未知
公开(公告)号：CA2303151A1
公开(公告)日：2000-01-20
申请号：CA2303151
申请日：1999-07-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAKANE HIDEHIKO , ITO EISAKU , YURI MASANORI , OHTA TAKAHIRO , KAWAGUCHI AKIHIRO , SAKAKIBARA SETUNORI , TOYODA MASAHIKO , AKAGI KOUICHI , SHINOHARA TANEHIRO , KUNITAKE NOBUHIRO , KAWATA YUTAKA , OZAWA YUTAKA , TAKESHITA KOJI , YOSHIDA ZENICHI
IPC分类号： F01D11/00 , F16J15/3292 , F16J15/54
摘要： A shaft seal excellent in wear resistance which reduces the amount of gas leakage from a high pressure side to a low pressure side, wherein flexible thin sheets (18) are laminated in ring-shape and disposed mainly around a rotating shaft (11) of a gas turbine, the turbine comprises a casing (12), a compressor, a rotating shaft (11), rotor vanes installed on the rotating shaft (11), and stator vanes installed in the casing (12) so that they are opposed to the rotor vanes, and the shaft seal is disposed between the plurality of stator vanes and the rotating shaft (11) so that each thin sheet (18) is brought into contact with the rotating shaft (11), whereby, during the rated operation, the tips of the thin sheets (18) are floated slightly from the surface of the rotating shaft (11) by a dynamic pressure caused by the rotation of the rotating shaft (11) and, when the operation is stopped, the tips of the thin sheets touch the rotating shaft (11) again by an elastic restoring force of the thin sheets (18).

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