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    • 4. 发明授权
    • Steam turbine
    • 汽轮机
    • US06702551B2
    • 2004-03-09
    • US10196144
    • 2002-07-17
    • Masataka KikuchiToru Takahashi
    • Masataka KikuchiToru Takahashi
    • F01D2516
    • F01D25/243F01D25/265F05B2260/301F05D2240/14
    • A steam turbine includes a turbine casing, in which a turbine rotor is accommodated so as to extend along a direction of flow of steam, and a plurality of turbine pressure sections are mounted to the turbine rotor, which includes, in combination, at least two or more of a turbine high pressure portion, a turbine intermediate pressure portion and a turbine low pressure portion. The turbine casing is divided into two casing sections, each of the divided turbine casing sections being further divided into a turbine casing upper half and a turbine casing lower half, and the turbine casing lower halves of the divided turbine casing sections being connected to each other by a fastening member such as stud bolt inserted from a side of the turbine low pressure portion.
    • 蒸汽涡轮机包括涡轮机壳体,涡轮机转子容纳在涡轮机壳体中,以便沿着蒸汽流动方向延伸,并且多个涡轮压力部分安装到涡轮转子,其组合包括至少两个 涡轮机高压部分,涡轮机中间压力部分和涡轮低压部分。 涡轮机壳体分为两个壳体部分,每个分离的涡轮机壳体部分进一步分为涡轮壳体上半部和涡轮机壳体下半部分,涡轮机壳体的下半部分彼此连接 通过诸如从涡轮机低压部分的侧面插入的双头螺栓的紧固构件。
    • 5. 发明授权
    • Steam turbine
    • 汽轮机
    • US06332754B1
    • 2001-12-25
    • US09541622
    • 2000-04-03
    • Minoru MatsudaMasataka KikuchiNobuo OkitaKouichi Kitaguchi
    • Minoru MatsudaMasataka KikuchiNobuo OkitaKouichi Kitaguchi
    • F01D102
    • F01D25/24F01D1/04F01D3/02
    • A steam turbine comprises, in combination, at least two of a high pressure turbine section, an intermediate pressure turbine section and a low pressure turbine section in a single turbine casing and the steam turbine generally satisfies such design requirements as: a main steam pressure of 100 kg/cm2 or more; a main steam temperature of 500° C. or more; a rated output (power) of 100 MW or more; and a unit rotated at a rotation speed of 3,000 rpm equipped with a last-stage movable blade of the turbine having an effective blade length of 36 inches or more, or a unit rotated at a rotation speed of 3,600 rpm equipped with a last-stage movable blade of the turbine having an effective blade length of 33.5 inches or more. In such steam turbine, a turbine exhaust chamber of the low pressure turbine section has a structure extending towards both sides of a transverse direction of the turbine casing, towards the upper side thereof or in the axial direction thereof.
    • 蒸汽涡轮机组合地包括单个涡轮机壳体中的高压涡轮部分,中压涡轮机部分和低压涡轮机部分中的至少两个,并且蒸汽涡轮机通常满足以下设计要求:主蒸汽压力 100kg / cm 2以上; 主蒸汽温度为500℃以上; 额定输出(功率)为100MW以上; 并且以3000rpm的转速旋转的单元配备有具有36英寸或更大的有效叶片长度的涡轮机的最后一级可动叶片,或以3606rpm的转速旋转的单元,其具有最后阶段 涡轮机的可动叶片具有33.5英寸或更大的有效叶片长度。 在这种蒸汽轮机中,低压涡轮机部分的涡轮机排气室具有朝向涡轮机壳体的横向两侧朝向其上侧或其轴向方向延伸的结构。
    • 6. 发明授权
    • Steam turbine
    • 汽轮机
    • US06267556B1
    • 2001-07-31
    • US09294897
    • 1999-04-20
    • Masataka KikuchiToru Takahashi
    • Masataka KikuchiToru Takahashi
    • F01D508
    • F01D25/243F01D25/265F05B2260/301F05D2240/14
    • A steam turbine includes a turbine casing, in which a turbine rotor is accommodated so as to extend along a direction of flow of steam, and a plurality of turbine pressure sections are mounted to the turbine rotor, which includes, in combination, at least two or more of a turbine high pressure portion, a turbine intermediate pressure portion and a turbine low pressure portion. The turbine casing is divided into two casing sections, each of the divided turbine casing sections being further divided into a turbine casing upper half and a turbine casing lower half, and the turbine casing lower halves of the divided turbine casing sections being connected to each other by a fastening member such as stud bolt inserted from a side of the turbine low pressure portion.
    • 蒸汽涡轮机包括涡轮机壳体,涡轮机转子容纳在涡轮机壳体中,以便沿着蒸汽流动方向延伸,并且多个涡轮压力部分安装到涡轮转子,其组合包括至少两个 涡轮机高压部分,涡轮机中间压力部分和涡轮低压部分。 涡轮机壳体分为两个壳体部分,每个分离的涡轮机壳体部分进一步分为涡轮壳体上半部和涡轮机壳体下半部分,涡轮机壳体的下半部分彼此连接 通过诸如从涡轮机低压部分的侧面插入的双头螺栓的紧固构件。
    • 7. 发明授权
    • Rotary machine with seal
    • 带密封的旋转机
    • US07052017B2
    • 2006-05-30
    • US10472900
    • 2002-02-28
    • Tatsuro UchidaMasataka Kikuchi
    • Tatsuro UchidaMasataka Kikuchi
    • F16J15/447
    • F16J15/4472F05C2251/08
    • The so-called comb-type labyrinth sealing device (S1) is disposed in a gap between a rotor blade (2), i.e. a rotating member, and a labyrinth packing (9), i.e. a stationary member. The sealing device (S1) has a plurality of sealing fins (F1, F2) arranged on the opposite sides of the gap opposite to each other. The sealing fins are axially spaced apart at unequal pitches, and hence a possibility that some of the clearances between the opposite sealing fins (F1, F2) decrease when a casing holding the labyrinth packing (9) and a rotor (1) are axially displaced relative to each other due to the difference in thermal expansion between the rotator and the casing increases.
    • 所谓的梳式迷宫式密封装置(S1)设置在转子叶片(2)即旋转构件与迷宫式密封件(9)即静止构件之间的间隙中。 密封装置(S1)具有布置在彼此相对的间隙的相对侧上的多个密封翅片(F 1,F 2)。 密封翅片以不相等的间距轴向间隔开,因此当保持迷宫式填料(9)和转子(1)的壳体是在相对的密封翅片(F 1,F 2)之间的一些间隙是 由于转子和壳体之间的热膨胀差异而相对于彼此轴向移位增加。
    • 10. 发明授权
    • Steam turbine
    • 汽轮机
    • US06203274B1
    • 2001-03-20
    • US09296420
    • 1999-04-23
    • Masataka KikuchiToru TakahashiNobuo OkitaRyou OdaKenzo MatsuyamaAkira Sakuma
    • Masataka KikuchiToru TakahashiNobuo OkitaRyou OdaKenzo MatsuyamaAkira Sakuma
    • F01D102
    • F02C7/06F01D5/02F01D5/34F01D25/16F01D25/24F01D25/30F05D2240/50F05D2250/141F05D2250/232F05D2250/52
    • The present invention is intended to implement a high-temperature, high-pressure, high-output, high/low-pressure integrated steam turbine provided with a turbine rotor formed as an integral rotor member. It is provided with a high-pressure turbine (3) to which primary steam (20) is supplied, a low-pressure turbine (5) having last-stage turbine rotor blades (47), a turbine rotor (2) formed of an integral rotor member, an integral casing (6), and a downward-exhaust type of exhaust chamber (15); it has a rated power of at least 100 MW; the last-stage turbine rotor blades are rotor blades of an effective blade length of at least 36 inches rotating at 3000 rpm, or are rotor blades of an effective blade length of at least 33.5 inches rotating at 3600 rpm; and a bearing (1) that is either a high-pressure-side journal bearing (1) or a low-pressure-side journal bearing (11) is installed in a foundation portion (10, 12) on which at least one portion of the casing is provided, and the other bearing (11) is installed at a distance from that foundation portion.
    • 本发明旨在实现具有形成为整体转子构件的涡轮转子的高温,高压,高输出,高/低压综合蒸汽轮机。其设置有高压涡轮机( 3),一次蒸汽(20)供给到具有后级涡轮转子叶片(47)的低压涡轮机(5),由整体转子部件形成的涡轮转子(2),一体式壳体(6) ,和排气室(15)的向下排气型。 其额定功率至少为100MW; 最后阶段的涡轮转子叶片是具有至少36英寸(以3000rpm旋转)的有效叶片长度的转子叶片,或是以3600rpm旋转的至少33.5英寸的有效叶片长度的转子叶片; 并且作为高压侧轴颈轴承(1)或低压侧轴颈轴承(11)的轴承(1)安装在基础部(10,12)中,在基础部(10,12)中,至少一部分 提供壳体,另一个轴承(11)安装在与该基础部分相距一定距离处。