GB760734A - Improvements in and relating to steam turbines - Google Patents

Improvements in and relating to steam turbines

Info

Publication number
GB760734A
GB760734A GB726054A GB726054A GB760734A GB 760734 A GB760734 A GB 760734A GB 726054 A GB726054 A GB 726054A GB 726054 A GB726054 A GB 726054A GB 760734 A GB760734 A GB 760734A
Authority
GB
United Kingdom
Prior art keywords
blade
porous
metal
diaphragm
stainless steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB726054A
Inventor
David Lees Linning
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB726054A priority Critical patent/GB760734A/en
Publication of GB760734A publication Critical patent/GB760734A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/182—Transpiration cooling
    • F01D5/183—Blade walls being porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Supercharger (AREA)

Abstract

760,734. Steam turbines. ENGLISH ELECTRIC CO., Ltd. March 11, 1955 [March 12, 1954], No. 7260/54. Class 110 (3). In a diaphragm structure for the low-pressure stage of a steam turbine, the stator blades are made partially or wholly of porous metal and by means of internal passages in the diaphragm structure are connected to a receiver at a lower pressure than the turbine stage, whereby moisture impinging on or flowing over the porous surface of the blade is drawn off. The blade in Figs. 1 and 2 comprises a tubular portion 1 at the leading edge made of porous sintered metal, and a solid main portion 2, for example, of stainless steel. The portion 2 is cast into an outer ring 3 and into the centre plate 4 of the diaphragm. The tubular portion 1 is brazed into outer and inner hollow rings 5 and 6 and these rings are connected by screws 7 to the outer ring 3 and the centre-plate 4. The outer and inner rings 5, 6 are each formed in upper and lower portions 5<SP>1</SP>, 6<SP>1</SP> and 5<SP>11</SP>, 6<SP>11</SP> and these are connected by drainage pipes 9<SP>1</SP>, 9<SP>11</SP> and vent pipes 81, 8<SP>11</SP> to the receiver 10 which may be a feed heater or the condenser of the turbine plant. In a further embodiment, Fig. 4, the blade is hollow and is made in two halves 13, 14, each of porous metal, such as porous sintered stainless steel, welded together at the leading edge and near the trailing edge. The outer ring and the centre plate of the diaphragm into which these blades are cast have circumferential passages which connect with the blade passages. In a further embodiment, Fig. 5, the blade 19 is made of solid metal such as stainless steel, and has recesses 20 on both sides, the recesses being covered by porous sintered metal inserts 21 brazed in.
GB726054A 1954-03-12 1954-03-12 Improvements in and relating to steam turbines Expired GB760734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB726054A GB760734A (en) 1954-03-12 1954-03-12 Improvements in and relating to steam turbines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB726054A GB760734A (en) 1954-03-12 1954-03-12 Improvements in and relating to steam turbines

Publications (1)

Publication Number Publication Date
GB760734A true GB760734A (en) 1956-11-07

Family

ID=9829696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB726054A Expired GB760734A (en) 1954-03-12 1954-03-12 Improvements in and relating to steam turbines

Country Status (1)

Country Link
GB (1) GB760734A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970807A (en) * 1957-05-28 1961-02-07 Messerschmitt Ag Rotor blades for gas turbines
US3623825A (en) * 1969-11-13 1971-11-30 Avco Corp Liquid-metal-filled rotor blade
US3778188A (en) * 1972-09-11 1973-12-11 Gen Motors Corp Cooled turbine rotor and its manufacture
US4026659A (en) * 1975-10-16 1977-05-31 Avco Corporation Cooled composite vanes for turbine nozzles
EP0726384A1 (en) * 1995-02-13 1996-08-14 Abb Research Ltd. Stator blade for steam turbines
US5924842A (en) * 1996-10-17 1999-07-20 Voith Hydro, Inc. Hydraulic turbine for enhancing the level of dissolved gas in water
US6155783A (en) * 1998-05-20 2000-12-05 Voith Siemens Hydro Power Generation, Inc. Hollow blade for hydraulic turbine or pump
US6524063B1 (en) 1996-10-17 2003-02-25 Voith Siemens Hydro Power Generartion, Inc. Hydraulic turbine for enhancing the level of dissolved gas in water
GB2424454A (en) * 2005-03-24 2006-09-27 Alstom Technology Ltd Water extracting turbine stator blade
EP1744018A1 (en) * 2005-07-15 2007-01-17 Kabushiki Kaisha Toshiba Steam turbine nozzle vane, nozzle rings and method of fabricating the vane
EP2353763A1 (en) * 2010-02-10 2011-08-10 Siemens Aktiengesellschaft A method of manufacturing a hot-gas component with a cooling channel by brazing a sintered sheet on a carrier ;corresponding hot-gas component
ITCO20110060A1 (en) * 2011-12-12 2013-06-13 Nuovo Pignone Spa STEAM TURBINE, PALLET AND METHOD

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970807A (en) * 1957-05-28 1961-02-07 Messerschmitt Ag Rotor blades for gas turbines
US3623825A (en) * 1969-11-13 1971-11-30 Avco Corp Liquid-metal-filled rotor blade
US3778188A (en) * 1972-09-11 1973-12-11 Gen Motors Corp Cooled turbine rotor and its manufacture
US4026659A (en) * 1975-10-16 1977-05-31 Avco Corporation Cooled composite vanes for turbine nozzles
EP0726384A1 (en) * 1995-02-13 1996-08-14 Abb Research Ltd. Stator blade for steam turbines
US5924842A (en) * 1996-10-17 1999-07-20 Voith Hydro, Inc. Hydraulic turbine for enhancing the level of dissolved gas in water
US6095749A (en) * 1996-10-17 2000-08-01 Voith Hydro, Inc. Hydraulic turbine for enhancing the level of dissolved gas in water
US6524063B1 (en) 1996-10-17 2003-02-25 Voith Siemens Hydro Power Generartion, Inc. Hydraulic turbine for enhancing the level of dissolved gas in water
US6454533B2 (en) 1998-05-20 2002-09-24 Voith Siemens Hydro Power Generation Inc. Hollow blade for hydraulic turbine or pump
US6155783A (en) * 1998-05-20 2000-12-05 Voith Siemens Hydro Power Generation, Inc. Hollow blade for hydraulic turbine or pump
GB2424454A (en) * 2005-03-24 2006-09-27 Alstom Technology Ltd Water extracting turbine stator blade
EP1744018A1 (en) * 2005-07-15 2007-01-17 Kabushiki Kaisha Toshiba Steam turbine nozzle vane, nozzle rings and method of fabricating the vane
EP2353763A1 (en) * 2010-02-10 2011-08-10 Siemens Aktiengesellschaft A method of manufacturing a hot-gas component with a cooling channel by brazing a sintered sheet on a carrier ;corresponding hot-gas component
WO2011098507A1 (en) * 2010-02-10 2011-08-18 Siemens Aktiengesellschaft A method of manufacturing a hot -gas component with a cooling channel by brazing a sintered sheet on a carrier; corresponding hot -gas component
ITCO20110060A1 (en) * 2011-12-12 2013-06-13 Nuovo Pignone Spa STEAM TURBINE, PALLET AND METHOD
EP2604801A1 (en) * 2011-12-12 2013-06-19 Nuovo Pignone S.p.A. Brazed steam turbine guide vane module

Similar Documents

Publication Publication Date Title
GB760734A (en) Improvements in and relating to steam turbines
GB478104A (en) Improvements in and relating to elastic fluid turbines
ES453156A1 (en) Single case low pressure turbine
US2414788A (en) Turbine construction
GB726072A (en) Improvements in and relating to elastic fluid turbines
GB1126469A (en) Improvements in or relating to gas turbines
GB586562A (en) Improvements in high speed axial flow elastic fluid turbines, compressors, superchargers and like apparatus
ATE37587T1 (en) DEVICE FOR CONTROLLING THE EXHAUST PRESSURE OF AN EXHAUST CONDENSATION TURBINE.
FR2438741A1 (en) CONDENSING TURBINE WITH VAPOR SAMPLING
ES8102268A1 (en) Apparatus including a turbine, a condenser and a support arrangement therefor.
GB740597A (en) Improvements relating to gas turbine or compressor blades
GB696558A (en) Stator and rotor cooling means in gas turbines
GB995643A (en) Improvements in or relating to multistage steam turbines and installations thereof
GB918522A (en) Improvements in turbines and in the manufacture thereof
GB765225A (en) Improvements in and relating to the cooling of gas turbine blades and rotors
GB647143A (en) Improvements in or relating to turbine blades
GB1173929A (en) Steam Turbines
JPS56159508A (en) Steam turbine
GB585335A (en) Improvements in or relating to axial-flow compressors, turbines and the like
GB724123A (en) Improvements in or relating to blades for compressors, turbines and the like
GB1092348A (en) Improvements in and relating to steam turbine plants
GB838092A (en) Improvements in and relating to condensing steam turbines
GB1411057A (en) Steam turbines
GB723393A (en) Improvements in gas turbine or like blades
JPS56502A (en) Steam turbine