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    • 1. 发明专利
    • Stator blade segment and axial flow fluid machine with the same
    • 定子叶片分段和轴流式流体机
    • JP2013209896A
    • 2013-10-10
    • JP2012079253
    • 2012-03-30
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • WAKI KUNIHIKOARASE KENICHI
    • F04D29/54F04D29/64
    • F01D25/00F01D9/041F01D9/044F04D29/542
    • PROBLEM TO BE SOLVED: To suppress deformation and cracking of a stator blade while reducing backlash between a plurality of stator blades constituting a stator blade segment.SOLUTION: A stator blade segment 11 is provided with: a connection band 50 extending in the circumferential direction Dc and connecting a plurality of stator blades 20; positioners 61, 62 for positioning end stator blades 20a, 20b located at both ends in the circumferential direction Dc, among the plurality of stator blades 20, with respect to the connection band 50. Outer shrouds 32 of the plurality of stator blades 20 have formed therein band grooves 31 which are depressed from a radial outside to a radial inside, and are extended in the circumferential direction and into which the connection band 50 enters. Each of two positioners 61, 62 is inserted through positioner holes 51, 52 of the connection band 50 and is inserted into holes 31h, 31h of end stator blades 20a, 20b. One positioner 62 of the two positioners 61, 62 is an eccentric pin.
    • 要解决的问题:抑制定子叶片的变形和破裂,同时减少构成定子叶片段的多个定子叶片之间的间隙。解决方案:定子叶片段11设置有:沿圆周方向Dc延伸的连接带50 并连接多个定子叶片20; 在多个定子叶片20中,相对于连接带50定位位于圆周方向Dc的两端的端部定子叶片20a,20b的定位器61,62。多个定子叶片20的外罩32形成 其中带状槽31从径向外侧压缩到径向内侧,并且在圆周方向上延伸并且连接带50进入该带状槽31。 两个定位器61,62中的每一个插入连接带50的定位器孔51,52,并插入端部定子叶片20a,20b的孔31h,31h中。 两个定位器61,62的一个定位器62是偏心销。
    • 3. 发明专利
    • Turbine blade and gas turbine
    • 涡轮叶片和气体涡轮
    • JP2010151046A
    • 2010-07-08
    • JP2008330614
    • 2008-12-25
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • UEDA OSAMUHAMANA HIROYUKISEKI NAOYUKIARASE KENICHI
    • F01D9/02F01D25/00
    • PROBLEM TO BE SOLVED: To provide a turbine blade and a gas turbine attenuating vibration caused by excitation force and facilitating replacement of an elastic member such as a spring.
      SOLUTION: The turbine blade includes: a shroud part 13 disposed at an end of an airfoil part 12; an end casing 14 which can slide on, be attached to and detached from the shroud part 13, and forms a space with the shroud part 13; and an elastic part 15 which is disposed in the space, energizes the shroud part 13 and a tip casing 14 in a separation direction, and is disposed movably relatively to the shroud part 13.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种涡轮叶片和燃气轮机,其衰减由激励力引起的振动,并且有助于更换诸如弹簧的弹性部件。 解决方案:涡轮机叶片包括:设置在翼型部分12的端部处的护罩部分13; 能够在护罩部13上滑动并与护罩部13分离的端部壳体14,与护罩部13形成空间; 以及设置在该空间内的弹性部15,使护罩部13和前端壳14沿分离方向通电,并相对于护罩部13可移动地设置。(C)2010,JPO&INPIT
    • 4. 发明专利
    • Cooling structure of turbine, turbine, and assembly tool of turbine
    • 涡轮机,涡轮机和涡轮装配工具的冷却结构
    • JP2009257191A
    • 2009-11-05
    • JP2008107045
    • 2008-04-16
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ICHIYANAGI SUGURUARASE KENICHI
    • F01D5/18F01D5/08F01D25/00F01D25/12F01D25/28F02C7/00F02C7/18
    • PROBLEM TO BE SOLVED: To provide a cooling device for a turbine capable of providing stability of an axial core by preventing increase of rotor length and weight, reducing cost, improving reliability, and making a turbine whole body compact, the turbine, and an assembly tool of the turbine. SOLUTION: A cooling structure is provided with: coolant channels 11, 12, 13 extending radial direction outward from an end part of a rotary shaft 2, formed as one unit with a rotary shaft 2, passing through an inside of a disk part 3 having moving blades attached on an outer circumference end thereof, and leading coolant to the moving blades; a storage part 14 constructing a part of the coolant channels 11, 12, 13 at the disk part 3, and storing an end part of a fastening part 5 fastening the disk part 3 and another disk part; a through-hole 24 formed at a wall part 22 opposing to the fastening part 5 at the storage part 14 and having a tool engaged with the fastening part 5 when the disk part 3 and another disk part are fastened; and a cover part 25 arranged on the through-hole 24 attachably and detachably. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决问题:为了提供一种通过防止转子长度和重量的增加,降低成本,提高可靠性并使涡轮机整体紧凑化的涡轮机的冷却装置,能够提供轴芯的稳定性, 和涡轮机的组装工具。 解决方案:冷却结构设置有:从旋转轴2的端部向外延伸的冷却剂通道11,12,13,其形成为具有旋转轴2的一个单元,其通过盘的内部 部分3具有附接在其外周端上的移动叶片,并将冷却剂引导到动叶片; 在盘部3上构成冷却剂通道11,12,13的一部分的储存部14,并且存储固定盘部3和另一个盘部的紧固部5的端部; 形成在与存放部14处的紧固部5相对的壁部22处的通孔24,并且当盘部3和另一个盘部被紧固时,具有与紧固部5接合的工具; 以及可拆卸地布置在通孔24上的盖部25。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Turbine disk and gas turbine
    • 涡轮盘和气体涡轮
    • JP2009203870A
    • 2009-09-10
    • JP2008046698
    • 2008-02-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • HASHIMOTO SHINYAARASE KENICHI
    • F01D5/08F02C7/18
    • F01D5/087F01D5/081F01D5/323F05D2260/941
    • PROBLEM TO BE SOLVED: To improve durability by relaxing a stress concentration in a turbine disk and a gas turbine. SOLUTION: A turbine disk is rotatably supported by firmly being connected to a rotor 24 and includes a plurality of moving blades 22a arranged in parallel in a circumference direction at an outer circumference. First cooling holes 42 passing through the turbine disk from the inside toward the outside and communicating with a cooling passage 41 at the inside of the moving blades 22a are arranged in parallel in the circumference direction. Second cooling holes 43 positioned between the first cooling holes 42 and passing through the turbine disk from the inside toward the outside are provided. Communication between the first cooling holes 42 and the second cooling holes 43 is established by a radial direction communication passage 47. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过放松涡轮盘和燃气轮机中的应力集中来提高耐久性。 解决方案:涡轮盘通过牢固地连接到转子24可旋转地支撑,并且包括在外周沿圆周方向平行设置的多个活动叶片22a。 从动力叶片22a的内侧,从内侧向外侧通过涡轮盘的第一冷却孔42与冷却通路41连通,在圆周方向上平行。 设置有位于第一冷却孔42之间并且从内侧朝向外部通过涡轮盘的第二冷却孔43。 通过径向连通通道47建立第一冷却孔42和第二冷却孔43之间的通信。版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Axial-flow fluid machinery, and variable stator vane driving device thereof
    • 轴流式流体机械及其可变定速器驱动装置
    • JP2013096341A
    • 2013-05-20
    • JP2011241390
    • 2011-11-02
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • HASHIMOTO SHINYAKAMEDA TAKUROARASE KENICHI
    • F04D29/56
    • F04D29/563F01D17/162F04D29/059
    • PROBLEM TO BE SOLVED: To make vane angles of a plurality of variable stator vanes constantly uniform irrespective of operating conditions.SOLUTION: A variable stator vane driving device 30 includes: an annular movable ring 31 disposed at an outer circumferential side of a casing 20 of an axial-flow compressor; four ring support mechanisms 40 disposed at intervals in a circumferential direction of the movable ring and rotatably supporting the movable ring around a rotor; and a link mechanism 70 for connecting the movable ring to a variable stator vane such that a direction of the variable stator vane is varied by rotation of the movable ring. The ring support mechanisms 40 have inner rollers 41i disposed on an inner circumferential side of the movable ring, outer rollers 41o disposed on an outer circumferential side of the movable ring for sandwiching the movable ring between themselves and the inner rollers, and roller support bases 43 for rotatably supporting the inner rollers and the outer rollers around an axis parallel to a rotor axis Ar while the inner rollers and the outer rollers sandwich the movable ring.
    • 要解决的问题:为了使多个可变定子叶片的叶片角度不依赖于操作条件而恒定地均匀。 解决方案:可变定子叶片驱动装置30包括:设置在轴流式压缩机的壳体20的外周侧的环形可动环31; 四个环状支撑机构40,其以可移动环的圆周方向间隔设置,并且可旋转地支撑可动环围绕转子; 以及用于将可动环连接到可变定子叶片的连杆机构70,使得可变定子叶片的方向通过可动环的旋转而变化。 环支撑机构40具有设置在可动环的内周侧的内辊41i,设置在可动环的外周侧的外辊41o,用于将可动环夹在其自身与内辊之间,辊支撑基座43 用于围绕平行于转子轴线Ar的轴线可旋转地支撑内辊和外辊,而内辊和外辊夹着可动环。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Temperature sensing device, turbine stator vane, and gas turbine
    • 温度传感装置,涡轮定子风扇和气体涡轮
    • JP2010196664A
    • 2010-09-09
    • JP2009044907
    • 2009-02-26
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ARAKI KATSUTOARASE KENICHI
    • F01D9/04F01D9/02F01D11/00F01D25/00F02C7/00F02C9/00
    • PROBLEM TO BE SOLVED: To provide a temperature sensing device being capable of sensing high temperature gas convolution at high sensitivity, and a turbine stator vane and a gas turbine comprising the same. SOLUTION: In the shroud part 62 in the radially inside of the turbine stator vane 6, a bypass flow path 103 penetrating the turbine stator vane 6 from the leading edge LE side to the tailing edge TE side, a tubular guide part 101 radially inwardly and linearly extending within the turbine stator vane 6, and the temperature measurement part 102 for measuring the temperature of the fluid flowing the bypass flow path 103 radially inwardly extending the inside of the guide part 101 are provided, wherein the opening end of the leading edge LE side in the bypass flow path 103 is opened at least to the leading edge side space LS1 formed between the attachment part 74 in the turbine rotor blade 7L at the leading edge LE side, and the shroud part 62. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够以高灵敏度感测高温气体卷积的温度感测装置,以及包括该温度感测装置的涡轮机定子叶片和包括该温度传感装置的燃气轮机。 解决方案:在涡轮定子叶片6的径向内侧的护罩部分62中,从前缘LE侧到后缘TE侧穿过涡轮定子叶片6的旁通流路103,管状引导部101 设置在涡轮机定子叶片6内径向向内且直线延伸的温度测量部件102,用于测量流过引导部件101内侧径向向内延伸的旁通流路103的流体的温度的温度测量部件102, 旁通流路103中的前缘LE侧至少被形成在前缘LE侧的涡轮转子叶片7L的安装部74和罩部62之间的前缘侧空间LS1上。 (C)2010,JPO&INPIT