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1. 发明专利

DE602004005910T2 未知
公开(公告)号：DE602004005910T2
公开(公告)日：2007-12-06
申请号：DE602004005910
申请日：2004-01-19
申请人： HITACHI LTD
发明人： ARAI MASAHIKO , KAWANAKA HIROTSUGU , DOI HIROYUKI , TAKEHARA ISAO , KUROKI HIDETOSHI
IPC分类号： C22C38/44 , F01D5/06 , C22C38/00 , C22C38/46 , C22C38/52 , C22C38/54 , F01D5/28 , F02C7/00

2. 发明专利

DE69817729D1 未知
公开(公告)号：DE69817729D1
公开(公告)日：2003-10-09
申请号：DE69817729
申请日：1998-11-02
申请人： HITACHI LTD
发明人： MURATA HIDETARO , TAKEHARA ISAO , TERANISHI MITSUO , WADA KATSUO , HOIZUMI SHINICHI
IPC分类号： F02C3/22 , F02C9/18 , F02C9/16
摘要： Low calorific gas compressor operation is provided at a high efficiency by making the compressor operable under a condition of high temperature and high pressure by extracting a part of compressor discharge air of a conventional gas turbine and introducing it into a separately arranged expander. In a gas turbine using as a main fuel a low calorific gas, it takes a construction in which a part of a compressor discharge air is extracted, rising in discharge pressure of the compressor caused by low calorific value of fuel gas is suppressed and the extracted air is effectively used by introducing the extracted air into the separately arranged expander.

3. 发明专利

DE69828337T2 未知
公开(公告)号：DE69828337T2
公开(公告)日：2005-12-08
申请号：DE69828337
申请日：1998-06-25
申请人： HITACHI LTD
发明人： HORII NOBUYUKI , TAKEHARA ISAO , MURATA HIDETARO , UTAMURA MOTOAKI , KUWAHARA TAKAAKI , SASADA TETSUO , HIROSE FUMIYUKI , KATOH YASUHIRO
IPC分类号： F02C7/00 , F02C7/143 , F02G3/00 , F02C9/20
摘要： A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and an injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

4. 发明专利

DE69006433T4 未知
公开(公告)号：DE69006433T4
公开(公告)日：1998-06-25
申请号：DE69006433
申请日：1990-09-04
申请人： HITACHI LTD
发明人： ANZAI SHUNICHI , KAWAIKE KAZUHIKO , IKEGUCHI TAKASHI , NODA MASAMI , SASADA TETSUO , TAKEHARA ISAO , URUSHIDANI HARUO
IPC分类号： F01D5/18
摘要： The present invention relates to an improvement of a turbine blade in a gas turbine and, more particularly, to a cooling structure of the turbine blade. The turbine blade comprises a hollow-structured main body (2) and cooling medium discharging device (3) located in the inner cavity of the hollow-structured main body (2) and formed to discharge a cooling medium from the surface thereof, so that the cooling medium discharged from the cooling medium discharging device (3) impinges against the inner surface of the main body (2) to remove the heat from the same. The turbine blade further includes a projection (9) which is formed on the inner surface of the leading edge (8) of the main body (2), extending along the spanwise direction of the blade, and the cooling medium discharging device are formed to allow at least part of the cooling medium to directly impinge against proximal portions of the projection (9). With this arrangement, the invention can provide a turbine blade which allows a small amount of cooling air to cool the turbine blade and its leading edge (8) in particular with great effectiveness.

5. 发明专利

DE68903746T2 未知
公开(公告)号：DE68903746T2
公开(公告)日：1993-04-08
申请号：DE68903746
申请日：1989-12-05
申请人： HITACHI LTD
发明人： TORIYA HAJIME , SASADA TETSUO , URUSHIDANI HARUO , TAKEHARA ISAO
IPC分类号： F02C3/30 , F02C7/26 , F02C7/27
摘要： In a method and device of starting a gas turbine, a gas turbine (4) is started while injecting a presecribed amount of moisture into a combustor (5) or a path for combustion gas from start up of the gas turbine (4) and the amount of moisture is varied dependently on the feed quantity of fuel or the temperature of the combustion gas so that combustion temperature in the combustor (5) or temperature variation rate of the surfaces of component parts of the gas path is approximately constant.

6. 发明专利

DE602005004432D1 未知
公开(公告)号：DE602005004432D1
公开(公告)日：2008-03-13
申请号：DE602005004432
申请日：2005-02-07
申请人： HITACHI LTD
发明人： KUROKI HIDETOSHI , TAKEHARA ISAO , MURATA HIDETARO
IPC分类号： F01D11/04 , F02C7/06 , F01D25/00 , F01D25/16 , F01D25/18 , F01D25/24 , F02C3/14 , F02C7/28

7. 发明专利

DE60216206D1 未知
公开(公告)号：DE60216206D1
公开(公告)日：2007-01-04
申请号：DE60216206
申请日：2002-02-28
申请人： HITACHI LTD
发明人： INOUE HIROSHI , KOGANEZAWA TOMOMI , KOBAYASHI NARIYOSHI , TAKEHARA ISAO
IPC分类号： F23R3/28 , F23R3/10 , F23R3/36
摘要： A gas turbine combustor has a combustion chamber (1) supplied with fuel and air. A disc member (52a) is arranged downstream of a plurality of fuel nozzles (55, 56). A plurality of premixing flow passages made of holes (52, 57) are formed in the disc member (52a) downstream of said fuel nozzles (55, 56) which have larger flow areas than the fuel jet holes of said fuel nozzles (55, 56)

8. 发明专利

AU4607201A Gas turbine combustor, pre-mixer for gas turbine combustors, and premixing method for gas turbine combustors 未知
公开(公告)号：AU4607201A
公开(公告)日：2001-04-30
申请号：AU4607201
申请日：1999-10-20
申请人： HITACHI LTD
发明人： INOUE HIROSHI , KOGANEZAWA TOMOMI , KOBAYASHI NORIYOSHI , OHTSUKA MASAYA , ITO KAZAYUKI , TAKEHARA ISAO
IPC分类号： F23R3/12 , F23R3/28 , F23R3/34 , F23R3/30

9. 发明专利

DE69006433T3 未知
公开(公告)号：DE69006433T3
公开(公告)日：1998-02-05
申请号：DE69006433
申请日：1990-09-04
申请人： HITACHI LTD
发明人： ANZAI SHUNICHI , KAWAIKE KAZUHIKO , IKEGUCHI TAKASHI , NODA MASAMI , SASADA TETSUO , TAKEHARA ISAO , URUSHIDANI HARUO
IPC分类号： F01D5/18
摘要： The present invention relates to an improvement of a turbine blade in a gas turbine and, more particularly, to a cooling structure of the turbine blade. The turbine blade comprises a hollow-structured main body (2) and cooling medium discharging device (3) located in the inner cavity of the hollow-structured main body (2) and formed to discharge a cooling medium from the surface thereof, so that the cooling medium discharged from the cooling medium discharging device (3) impinges against the inner surface of the main body (2) to remove the heat from the same. The turbine blade further includes a projection (9) which is formed on the inner surface of the leading edge (8) of the main body (2), extending along the spanwise direction of the blade, and the cooling medium discharging device are formed to allow at least part of the cooling medium to directly impinge against proximal portions of the projection (9). With this arrangement, the invention can provide a turbine blade which allows a small amount of cooling air to cool the turbine blade and its leading edge (8) in particular with great effectiveness.

10. 发明专利

DE69942104D1 未知
公开(公告)号：DE69942104D1
公开(公告)日：2010-04-15
申请号：DE69942104
申请日：1999-10-20
申请人： HITACHI LTD
发明人： INOUE HIROSHI , KOGANEZAWA TOMOMI , KOBAYASHI NARIYOSHI , OHTSUKA MASAYA , ITO KAZUYUKI , TAKEHARA ISAO
IPC分类号： F23R3/30 , F23R3/12 , F23R3/28 , F23R3/34

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