GB790654A - Improvements in or relating to turbines - Google Patents
Improvements in or relating to turbinesInfo
- Publication number
- GB790654A GB790654A GB2188155A GB2188155A GB790654A GB 790654 A GB790654 A GB 790654A GB 2188155 A GB2188155 A GB 2188155A GB 2188155 A GB2188155 A GB 2188155A GB 790654 A GB790654 A GB 790654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- outer casing
- ring
- nozzle box
- flange
- 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
Links
- 210000004907 gland Anatomy 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
- F01D25/265—Vertically split casings; Clamping arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
790,654. Turbines. VICKERS - ARMSTRONGS (ENGINEERS), Ltd. June 11, 1956 [July 28, 1955], No. 21881/55. Class 110 (3). An axial flow turbine comprising an outer casing 4 around and supporting an inner casing 20 and a nozzle box 8 has a sleeve 9 integral with the nozzle box which passes through the outer casing 4 and carries a gland 30 and a wall 14 also integral with the nozzle box which extends into sealing engagement with the outer casing 4 and separates the part of the outer casing 4 containing the inner casing 20 from a part of the outer casing which is used to pressurize the exterior of the nozzle box. The casing 4 has an inlet 5 and outlet 6 through which steam from a boiler (not shown) is passed to a superheater supplying the turbine through an inlet 7. The sleeve 9 passes through a bush 10 welded to a boss 11 forming part of the casing 4. Ramsbottom rings 13 form a seal between the sleeve and the bush. The wall 14 has a flange 15 which is held against a shoulder 16 by a ring 17 keyed to the inside surface of the casing 4 and a split ring 18. The inner casing 20 is split axially and held together by bolts 21. The casing 20 has a rib 24 which is held between a flange 23 on the ring 17 and the flange 15. Studs 26 secure the ring 17 to the inner casing. The outer casing 4 is split in a plane transverse to the rotor axis into two parts 4A, 4B. Specifications 782,655 and 782,658 are referred to in the Provisional Specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2188155A GB790654A (en) | 1955-07-28 | 1955-07-28 | Improvements in or relating to turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2188155A GB790654A (en) | 1955-07-28 | 1955-07-28 | Improvements in or relating to turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB790654A true GB790654A (en) | 1958-02-12 |
Family
ID=10170385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2188155A Expired GB790654A (en) | 1955-07-28 | 1955-07-28 | Improvements in or relating to turbines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB790654A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2028345A3 (en) * | 2007-08-22 | 2010-03-10 | Kabushiki Kaisha Toshiba | Steam turbine |
| EP2028346A3 (en) * | 2007-08-22 | 2010-03-10 | Kabushiki Kaisha Toshiba | Steam turbine |
-
1955
- 1955-07-28 GB GB2188155A patent/GB790654A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2028345A3 (en) * | 2007-08-22 | 2010-03-10 | Kabushiki Kaisha Toshiba | Steam turbine |
| EP2028346A3 (en) * | 2007-08-22 | 2010-03-10 | Kabushiki Kaisha Toshiba | Steam turbine |
| US8142146B2 (en) | 2007-08-22 | 2012-03-27 | Kabushiki Kaisha Toshiba | Steam turbine |
| US8152448B2 (en) | 2007-08-22 | 2012-04-10 | Kabushiki Kaisha Toshiba | Steam turbine having a nozzle box arranged at an upstream side of a steam passage that divides a space between a rotor and a casing into spaces that are sealed from each other |
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