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1. 发明专利

JP2003307136A Closed cooling type gas turbine and method for cooling high temperature part of gas turbine 审中-公开
标题翻译：封闭式冷却式气体涡轮机及其气体涡轮机高温部分的冷却方法
公开(公告)号：JP2003307136A
公开(公告)日：2003-10-31
申请号：JP2002112792
申请日：2002-04-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MARUSHIMA SHINYA , HIGUCHI SHINICHI , KITSUKA NOBUAKI , YAMANAKA KAZUNORI , TAKANO TAKESHI
IPC分类号： F01D5/18 , F01D9/02 , F01D25/12 , F02C7/16 , F02C7/18
摘要： PROBLEM TO BE SOLVED: To restrain unevenness of a combustion condition and uneven deformation of a combustor casing without deteriorating heat efficiency of a gas turbine.
SOLUTION: This closed cooling type gas turbine comprises a combustor for burning compressed working fluid and fuel, and a cooling system for cooling a high temperature part of the gas turbine. One part of the working fluid cooling the high temperature part is recovered in the combustor, and one part of the working fluid cooling the high temperature part is recovered to the upstream of the cooling system. Thereby, the closed cooling type gas turbine with high reliability can be provided.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了抑制燃烧室的燃烧状态的不均匀性和燃烧器壳体的不均匀变形，而不会降低燃气轮机的热效率。解决方案：该封闭式冷却型燃气轮机包括用于燃烧压缩工作流体和燃料的燃烧器，以及用于冷却燃气轮机高温部分的冷却系统。冷却高温部分的工作流体的一部分在燃烧器中被回收，并且冷却高温部分的一部分工作流体被回收到冷却系统的上游。因此，可以提供高可靠性的封闭式冷却型燃气轮机。版权所有（C）2004，JPO

2. 发明专利

JP2002242612A GAS TURBINE 失效
公开(公告)号：JP2002242612A
公开(公告)日：2002-08-28
申请号：JP2001037632
申请日：2001-02-14
申请人： HITACHI LTD
发明人： MATSUMOTO MANABU , HIGUCHI SHINICHI , UENO SANEYUKI , TAKANO TAKESHI
IPC分类号： F01D11/08 , F01D9/04
摘要： PROBLEM TO BE SOLVED: To suppress the lowering of a turbine output by preventing a local clearance between a turbine and a rotor vane from increasing due to the thermal warpage and deformation of a shroud segment with a simple structure in the turbine of a gas turbine. SOLUTION: The inner peripheral wall 50 of the shroud segment 25 is formed so as to have a curvature radius Ri smaller than a curvature radius obtained when a curvature center matches the axis O of a casing 1, and the curvature center P is positioned at a point eccentric by an eccentric amount (e) from the axis O of the casing 1 toward the shroud segment 25. When the thermal warpage and deformation occurs on the shroud segment 25 under a temperature during stationary operation and the curvature radius of the entire shroud segment is increased, the inner peripheral wall 50 is changed from a shape 50 before operation to a shape 50t (chain double-dashed line) after the thermal warpage and deformation, and the clearance between the inner peripheral wall 50 and the vane rotor 4 is uniformized in circumferential direction. Thus the lowering of the turbine output can be suppressed by reducing the combustion gas flowing to a subsequent stage side after bypassing the rotor vane 4.

3. 发明专利

JPH01266394A SUPPORT METHOD AND DEVICE FOR LARGE WEIGHT STRUCTURE 失效
公开(公告)号：JPH01266394A
公开(公告)日：1989-10-24
申请号：JP9465088
申请日：1988-04-19
申请人： HITACHI LTD
发明人： TAKANO TAKESHI , NAKAHARA SHINICHI , OKABE AKIRA , IMAI SHINICHI , SATO MORIO
IPC分类号： G21C13/02 , F16M7/00
摘要： PURPOSE:To prevent the operation of an excessive force against a support structure due to the heat expansion shrinkage of a large weight structure, by supporting the large weight structure by means of the magnetic repulsion power of a floating side magnet arranged at the large weight structure and a fixing side magnet arranged at the support structure. CONSTITUTION:Two places nearer to the center from both end portions of a moisture separator 1 are supported by means of tubular support members 2. A permanent magnet 4a is fixed at the outer perimeter of the moisture separator 1, and this magnet 4a is not fixed against a basic structure. Tubular support members 2 are fixed against the base in a suspension type, and a magnet 4b which is a fixation member is fixed at its inner perimeter surface. The permanent magnet 4b and the floating permanent magnet 4a have their magnetic poles of co-polarity opposed to each other. The mixture separator 1 floats and is supported by means of the repulsion power of the mutual magnetic poles of co-polarity.

4. 发明专利

JPS63176846A GD2 ADJUSTING DEVICE 失效
公开(公告)号：JPS63176846A
公开(公告)日：1988-07-21
申请号：JP601287
申请日：1987-01-16
申请人： HITACHI LTD
发明人： TAKANO TAKESHI , OKABE AKIRA , KANEKO RYOICHI , KUNO KATSUKUNI
IPC分类号： F16F15/32 , F16F15/34
摘要： PURPOSE:To facilitate fine adjustment for the frequency of a torsional vibration by fixing additional divided mass changeable in thickness and quantity to one or both sides of a ring monolithically processed with a shaft between the disc and the coupling of a turbine rotor. CONSTITUTION:A ring 2 is monolithically processed with a shaft 1 between the disc and the coupling of a turbine rotor. A few pieces of additional mass 3 divided with a setting bolt 4 and a nut 5 are fixed to the side of the coupling 2 in an axial symmetry. By increasing the quantity of the pieces of the additional mass 3 so arranged and fixed, or changing the thickness of the mass 3 and the quantity thereof at a single position, it becomes possible to make fine adjustment for the frequency of a high-order torsional vibration coupled with a blade and an axis.

5. 发明专利

JPS51112232A DRIVE CIRCUIT OF HORIZONTAL DISPLAY DISCHARGE ELEMENT 失效
公开(公告)号：JPS51112232A
公开(公告)日：1976-10-04
申请号：JP3674275
申请日：1975-03-28
申请人： HITACHI LTD
发明人： TAKANO TAKESHI
IPC分类号： G09G3/282 , G09F9/30
摘要： PURPOSE:A discharge element drive circuit wherein a redischarge is suppressed by inserting a CR time constant circuit between each cathode of a horizontal display discharge element and a drive pulse generator circuit.

6. 发明专利

JPS51105726A 失效
公开(公告)号：JPS51105726A
公开(公告)日：1976-09-18
申请号：JP3008775
申请日：1975-03-14
申请人： HITACHI LTD
发明人： TAKANO TAKESHI
IPC分类号： H04N3/12 , H04N5/66

7. 发明专利

JP2003120207A GAS TURBINE AND ITS STATIONARY BLADE 审中-公开
公开(公告)号：JP2003120207A
公开(公告)日：2003-04-23
申请号：JP2001316634
申请日：2001-10-15
申请人： HITACHI LTD
发明人： KITSUKA NOBUAKI , ANZAI SHUNICHI , UENO SANEYUKI , YOSHINARI AKIRA , TAKANO TAKESHI
IPC分类号： F01D9/02 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To improve the reliability of a gas turbine and its stationary blade without deteriorating the sealing ability against coolant and the life of the stationary blade even if installing a probe for monitoring the inside of a gas path in the gas turbine and its stationary blade. SOLUTION: A pipe-like projected section 6 formed on the front side inside of an outer peripheral side end wall section 2 is erected facing the outer peripheral side from a base section 2a, which is an internal bottom face, and the outer peripheral side tip penetrates and projects outside more than a cavity cover 11, and the periphery is welded and jointed. This constitution improves an allowable value for the stress caused by thermal deformation and eliminate the necessity of the welded part to a gas path wall 28 in structure, for improving durability against a high temperature main flowing gas 21.

8. 发明专利

JP2001132476A GAS TURBINE, GAS TURBINE DEVICE AND REFRIGERANT RECOVERY METHOD OF GAS TURBINE MOVING BLADE 失效
公开(公告)号：JP2001132476A
公开(公告)日：2001-05-15
申请号：JP31472799
申请日：1999-11-05
申请人： HITACHI LTD
发明人： AKIYAMA RYO , ENTO SHINYA , MATSUMOTO MANABU , TAKANO TAKESHI
IPC分类号： F01D5/08 , F01D5/18 , F02C7/12 , F02C7/18
摘要： PROBLEM TO BE SOLVED: To obtain a turbine rotor, with high reliability against the stress by a centrifugal force, which is hardly affected to the heat of the recovered refrigerant and is hard to leak the refrigerant at the same time, in a gas turbine having a structure collecting the refrigerant after cooling a moving blade. SOLUTION: Plural wheels on whose outer periphery plural moving blades having a cooling passage are provided and a spacer member are arranged alternately on a rotary shaft. Plural flow routes made to flow the refrigerant after cooling the moving blade are provided on the spacer member and a first flow route communicates the moving blade arranged on the wheel of a gas flow upper streamside with the gas flow down streamside surface of the spacer member and a second flow route communicates the moving blade arranged on the wheel of a gas flow down streamside with the gas flow upper streamside surface of the spacer member. The flow route arranges a bent part near the axial direction center of the spacer member or its shape is made in a straight line shape.

9. 发明专利

JP2000291402A GAS TURBINE 失效
公开(公告)号：JP2000291402A
公开(公告)日：2000-10-17
申请号：JP9456899
申请日：1999-04-01
申请人： HITACHI LTD
发明人： AKIYAMA RYO , MARUSHIMA SHINYA , MATSUMOTO MANABU , TAKANO TAKESHI , NODA MASAMI
IPC分类号： F01D5/08 , F01D5/18 , F01D11/04 , F02C7/18
摘要： PROBLEM TO BE SOLVED: To restrain lowering of rigidity in a component member of a gas turbine by letting cooling air flow over the surface of the outer peripheral side on the gas path upstream or on the gas path downstream from a recovery hole outlet in a gas turbine having an outlet of the recovery hole on an intermediate shaft. SOLUTION: A coolant for cooling a single-stage turbine moving blade flows in the direction of an arrow 9 from a supply hole 8 and flows in the direction of an arrow 11, to cool the single-stage turbine moving blade 10, flows in the direction of an arrow 13 to a recovery hole 15, and flows out in the direction of an arrow 16 to the recovery hole outlet of an intermediate shaft. The recovered coolant which has cooled the single-stage turbine moving blade 10 is at a high temperature, and the recovered coolant joins to the compressed air 14 compressed by a compressor to flow in the direction of an arrow 17 to be recovered by a combustor. Upstream of the arrow 14 is the gas path upstream side, and downstream of the arrow 14 is the gas path downstream side. By this arrangement, lowering of rigidity in a component member of a gas turbine can be restrained.

10. 发明专利

JPH01266366A PRESSURE CONTAINER AND DESIGNING METHOD THEREOF 失效
公开(公告)号：JPH01266366A
公开(公告)日：1989-10-24
申请号：JP9465188
申请日：1988-04-19
申请人： HITACHI LTD
发明人： TAKANO TAKESHI , YOKOYAMA HIROSHI
IPC分类号： F16J12/00
摘要： PURPOSE:To eliminate concentration of stress at a joint and to improve pressure resistant performance by jointing the inner circumferential arch of drum and the inside plane of a pipe board smoothly through a jointing arch having extremely large curvature. CONSTITUTION:A steel pipe board 1 has an inside plane 6. An inner circumferential arch 5 is provided in the cross-section of a drum 2. Point O is the center of the drum 2 and the inner circumferential arch has the radius R=D/2. Point Q separated farther from the point O than an inside line 6 is selected. A joint arch 4 is set such that R'>R=D/2. By such arrangement, the inner circumferential arch 5 and the inside plane 6 are jointed smoothly through a joint arch 4 having extremely large curvature. Consequently, concentration of stress onto the joint is prevented resulting in the improvement of pressure withstandability.

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