公开(公告)号：EP0053342B1

公开(公告)日：1986-03-05

申请号：EP81109853.2

申请日：1981-11-24

申请人： Hitachi, Ltd.

发明人： Kasuya, Katsuhiko Tsukuba-House, 8-506 ,  Fujiwara, Mitsuru ,  Matsunaga, Tetsuzo ,  Imai, Masaya ,  Takahashi, Yasuo

IPC分类号： F04C18/16

CPC分类号： F04C18/084

公开(公告)号：EP2428664A2

公开(公告)日：2012-03-14

申请号：EP11178316.3

申请日：2011-08-22

申请人： Hitachi Ltd.

发明人： Myoren, Chihiro ,  Akiyama, Ryou ,  Marushima, Shinya ,  Takahashi, Yasuo ,  Higuchi, Shinichi

IPC分类号： F02C9/18

CPC分类号： F04D29/321 ,  F01D5/085

摘要： An inner bleed structure of the 2-shaft gas turbine includes a slit 51 for leading part of compressed air to a cavity is formed between a wall surface of a rotor wheel 25 of the compressor 2 equipped with a last stage rotor of the compressor 2 which is connected to a first rotating shaft 6 and end of an inner casing 27, and a bleed hole 52 for leading part of compressed air after flowing down the last stage of the compressor 2 to a cavity formed in the inner side of the inner casing 27 at the downstream side of the last stage of the compressor 2.

摘要翻译： 两轴的燃气涡轮的内部泄放结构包括狭缝51用于引导部分压缩空气到腔被限定在压缩机2的转子轮25配备有压缩机2哪一个负载级转子的壁表面之间形成 被连接到第一旋转轴6和一个内壳体27的端部，与压缩机2的负载阶段向下流动到内部壳体27的内侧面形成的腔体后用于压缩空气的前导部分的排出孔52 在压缩机的负载级的下游侧。2

公开(公告)号：EP2226468A2

公开(公告)日：2010-09-08

申请号：EP10153679.5

申请日：2010-02-16

申请人： Hitachi Ltd.

发明人： Myoren, Chihiro ,  Takahashi, Yasuo

IPC分类号： F01D5/14

CPC分类号： F01D5/141 ,  Y02T50/673

摘要： A transonic blade is provided that operates in a flow field where flow has a transonic speed or higher in an axial-flow rotating machine and that concurrently achieves a reduction in shock loss and in the local stress of the blade.
The transonic blade includes a hub cross-sectional surface joined to a rotating shaft or an outer circumferential side casing of a rotating machine; a tip cross-sectional surface located furthest from the hub cross-sectional surface in a spanwise direction which is a vertical direction of the rotating shaft; a leading edge located on an upstream side; and a trailing edge located on a downstream side. At least a part of a passing working fluid flow has a transonic speed or higher. A portion of a stacking line which is a line connecting together respective gravity centers of cross-sectional surfaces located from the hub cross-sectional surface to the tip cross-sectional surface is located on a downstream side of a stacking center in a flow direction of a working fluid main flow.

公开(公告)号：EP2119891A2

公开(公告)日：2009-11-18

申请号：EP09160295.3

申请日：2009-05-14

申请人： Hitachi Ltd.

发明人： Koganezawa, Tomomi ,  Higuchi, Shinichi ,  Takahashi, Yasuo ,  Akiyama, Ryo ,  Marushima, Shinya

IPC分类号： F02C3/10 ,  F02C9/16

CPC分类号： F02C6/18 ,  F02C3/10 ,  F02C3/305 ,  F02C9/16 ,  Y02E20/14 ,  Y02E20/16

摘要： Provided is a two-shaft gas turbine with improved reliability that improves output power and efficiency and is stably operated by establishing a balance between the driving force of a compressor 1 and the output power of a high-pressure turbine 3H in the case where the two-shaft gas turbine is applied to a system in which the flow rate of fluid flowing into a combustor 2 is increased compared with a simple cycle gas turbine.
A portion of working fluid 37 driving the high-pressure turbine 3H is allowed to flow not into the high-pressure turbine 3H but into a low-pressure turbine 3L.

摘要翻译： 提供了一种具有改进的可靠性的双轴燃气轮机，其提高输出功率和效率，并且通过在压缩机1的驱动力和高压涡轮机3H的输出功率之间建立平衡来稳定地操作，在两个 轴式燃气轮机被应用于与简单循环燃气轮机相比流入燃烧器2的流体的流量增加的系统。 驱动高压汽轮机3H的工作流体37的一部分不允许流入高压汽轮机3H而是流入低压汽轮机3L。

公开(公告)号：EP0053342A3

公开(公告)日：1983-06-08

申请号：EP81109853

申请日：1981-11-24

申请人： Hitachi, Ltd.

发明人： Kasuya, Katsuhiko Tsukuba-House, 8-506 ,  Fujiwara, Mitsuru ,  Matsunaga, Tetsuzo ,  Imai, Masaya ,  Takahashi, Yasuo

IPC分类号： F04C18/16

CPC分类号： F04C18/084

摘要： in a screw rotor including a female rotor member (1) and a male rotor member (2) rotatable about parallel shafts (3) and (4) respectively while meshing with each other, the forward face flank of the female rotor member (1) is composed of a first flank (7) of the forward face formed by a parabolic curve, and a second flank (8) of the forward face formed by a circular arc of a radius R 2 , and the backward face flank of the female rotor member (1) is composed of a first flank (9) of the backward face generated by the backward face tooth top flank of the male rotor member (2) having a radius R., and a second flank (10) of the backward face formed by a circular arc of a radius R 3 which is smaller than the radius R 2 of the second flank (7) of the forward face flank. The tooth profile of the male rotor member (2) is essentially formed by the forward face flank and the backward face flank of the male rotor member (2).

公开(公告)号：EP1985947A2

公开(公告)日：2008-10-29

申请号：EP07016311.8

申请日：2007-08-20

申请人： Hitachi, Ltd.

发明人： Takahashi, Yasuo ,  Shibata, Takanori ,  Araki, Hidefumi

IPC分类号： F25B30/02 ,  F01K3/00

CPC分类号： F01K3/006 ,  Y02P80/154 ,  Y10T29/49396

摘要： A heat pump includes an evaporator 10 evaporating water; a steam compressor 1 compressing the vapor generated by the evaporator 10; a vapor supply duct 31 adapted to supply the vapor 30 compressed by the compressor 1 to steam-utilizing facility 2; a measuring device 91 for measuring a state of vapor between the evaporator 10 and the compressor 1; and a valve 81 adjusting an amount of vapor flowing in the compressor 1 based on information from the measuring device 91.

摘要翻译： 一种热泵包括蒸发器10蒸发的水; 蒸汽压缩机1压缩由蒸发器10产生的蒸汽; 适于供应由压缩机1压缩至蒸汽利用设备2的蒸气30的蒸汽供应管31; 一个测量装置91，用于测量蒸发器10和压缩机1之间的蒸气的状态; 和一个阀81，以基于从所述测量装置91的信息调整所述压缩机1中流动蒸汽的量

公开(公告)号：EP1548236A2

公开(公告)日：2005-06-29

申请号：EP04030741.5

申请日：2004-12-23

申请人： Hitachi, Ltd.

发明人： Kishibe, Tadaharu ,  Takahashi, Yasuo

IPC分类号： F01D13/00 ,  F01D17/04 ,  F01D17/06

CPC分类号： F01D17/06 ,  F01D13/003 ,  F01D17/04 ,  F02C3/10 ,  F05D2270/05 ,  F05D2270/301 ,  F05D2270/304

摘要： A method of controlling an operation of a 2-shaft gas turbine comprises, when an operation of a 2-shaft gas turbine is changed to reduce a load from a predetermined load, a first step of reducing a rotating speed of a compressor (1) and a second step of reducing a working airflow in the compressor (1). With the method, a reduction in compressor (1) efficiency during partial load operation of the gas turbine can be suppressed, and a surge margin of the compressor can be ensured.

摘要翻译： 一种控制2轴燃气轮机运转的方法，其特征在于，当改变2轴燃气轮机的运转以减小来自预定负荷的负荷时，降低压缩机1的转速的第1步骤， 以及减少压缩机（1）中的工作气流的第二步骤。 通过该方法，能够抑制燃气轮机的部分负荷运转时的压缩机（1）效率的降低，能够确保压缩机的浪涌裕度。

公开(公告)号：EP0053342A2

公开(公告)日：1982-06-09

申请号：EP81109853.2

申请日：1981-11-24

申请人： Hitachi, Ltd.

发明人： Kasuya, Katsuhiko Tsukuba-House, 8-506 ,  Fujiwara, Mitsuru ,  Matsunaga, Tetsuzo ,  Imai, Masaya ,  Takahashi, Yasuo

IPC分类号： F04C18/16

CPC分类号： F04C18/084

摘要： in a screw rotor including a female rotor member (1) and a male rotor member (2) rotatable about parallel shafts (3) and (4) respectively while meshing with each other, the forward face flank of the female rotor member (1) is composed of a first flank (7) of the forward face formed by a parabolic curve, and a second flank (8) of the forward face formed by a circular arc of a radius R 2 , and the backward face flank of the female rotor member (1) is composed of a first flank (9) of the backward face generated by the backward face tooth top flank of the male rotor member (2) having a radius R., and a second flank (10) of the backward face formed by a circular arc of a radius R 3 which is smaller than the radius R 2 of the second flank (7) of the forward face flank. The tooth profile of the male rotor member (2) is essentially formed by the forward face flank and the backward face flank of the male rotor member (2).

公开(公告)号：EP2733318A1

公开(公告)日：2014-05-21

申请号：EP13191773.4

申请日：2013-11-06

申请人： Hitachi Ltd.

发明人： Takeda, Hiroki ,  Akiyama, Ryo ,  Takahashi, Yasuo

IPC分类号： F01K21/04

CPC分类号： F02C3/30 ,  F01D17/16 ,  F01K21/047 ,  F02C9/20 ,  F05D2260/2322 ,  F05D2270/082 ,  F05D2270/101 ,  F05D2270/16 ,  Y02E20/14 ,  Y02E20/16

摘要： A gas turbine having a compressor for compressing air, a combustor (2) for taking in compressed air discharged from the compressor (1), mixing it with fuel, and burning them, and a turbine (3) driven by combustion gas generated in the combustor (2), comprising: inlet guide vanes (6) installed at a stage near an inlet of the compressor (1) for adjusting a compressor flow rate by changing an attaching angle thereof, a steam injection mechanism (7) for injecting steam to the combustor (2), a steam adjustment valve for adjusting the steam injection rate, and a steam rate control mechanism for adjusting an opening of the steam adjustment valve, a steam monitoring mechanism (23) for monitoring the steam rate injected to the combustor (2), an air temperature monitoring mechanism (24) for monitoring an atmospheric temperature, and a control unit (46) for determining whether a restriction value of the steam injection rate using a temperature, an opening of the inlet guide vanes (6), and the steam injection rate as indexes is satisfied, and controlling at least one of a temperature of air flowing into the compressor (1), the steam injection rate, and the inlet guide vane opening.

摘要翻译： 一种具有用于压缩空气的压缩机的燃气轮机，用于吸入从压缩机（1）排出的压缩空气的燃烧器（2），将其与燃料混合并燃烧的燃气轮机（3）以及由燃烧器 燃烧器（2），包括：入口导叶（6），安装在靠近压缩机（1）入口的阶段，用于通过改变其附着角度来调节压缩机流量;蒸汽喷射机构（7），用于将蒸汽喷射到 燃烧器（2），用于调节蒸汽喷射速率的蒸汽调节阀和用于调节蒸汽调节阀的开口的蒸汽速率控制机构，用于监测喷射到燃烧器的蒸汽速率的蒸汽监视机构（23） 2），用于监测大气温度的空气温度监视机构（24），以及控制单元（46），用于确定使用温度的蒸汽喷射量的限制值，入口导叶（6）的开度， 和ste 满足指标的喷射率，并且控制流入压缩机（1）的空气的温度，蒸汽喷射速度和入口导向叶片开度中的至少一个。

公开(公告)号：EP1985947B1

公开(公告)日：2013-07-24

申请号：EP07016311.8

申请日：2007-08-20

申请人： Hitachi, Ltd.

发明人： Takahashi, Yasuo ,  Shibata, Takanori ,  Araki, Hidefumi

IPC分类号： F25B30/02 ,  F01K3/00

CPC分类号： F01K3/006 ,  Y02P80/154 ,  Y10T29/49396