GB131428A - Improvements in or relating to Steam Turbines. - Google Patents
Improvements in or relating to Steam Turbines.Info
- Publication number
- GB131428A GB131428A GB1334618A GB1334618A GB131428A GB 131428 A GB131428 A GB 131428A GB 1334618 A GB1334618 A GB 1334618A GB 1334618 A GB1334618 A GB 1334618A GB 131428 A GB131428 A GB 131428A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sections
- steam
- ahead
- pipe
- section
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
- F01K13/025—Cooling the interior by injection during idling or stand-by
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
131,428. Guy, H. L., and British Westinghouse Electric & Manufacturing Co. Aug. 16, 1918. Motor power plant; cooling parts. - In turbines comprising sections adapted at times to rotate idly, steam for cooling is supplied to these idly rotating sections by a special pipe or passage, as distinguished from a channel in a packing-gland through which leakage steam can be supplied from one section to another. The cooling steam may be taken from an operative turbine section in which it has been cooled as a result of doing work. Fig. 1 shows highpressure ahead and reverse sections 4, 5 on one shaft and low-pressure ahead and reverse sections 6, 7 on another shaft. A pipe 10 having a handcontrolled or non-return valve 11 permits steam to pass from the operative section 4 to the idle reverse sections 5, 7. When the reverse sections are operative, a valved pipe 13 leads steam to an intermediate stage of the idle ahead section 4. Another valved pipe 14 may supply steam to the idle ahead section 6. In some cases, a valveless pipe 17 may be arranged to supply steam for cooling from the ahead to the reverse sections or vice versa, depending on which sections are operative, the ends of the pipe 17 being so positioned that a greater quantity of steam is passed from the reverse sections to the idle ahead section when the turbine is going astern than when the opposite conditions prevail, assuming that the disk friction and windage of the ahead section is greater than that of the reverse section. The pipe 10 may be dispensed with by designing the gland 21 to provide sufficient leakage steam to cool the smaller reverse sections when running idle, additional steam for cooling the larger ahead sections when running idle being supplied by a pipe such as 13. Applications of the invention to a turbine comprising cruising and full power sections and to a combination of a back-pressure turbine and a high-pressure turbine are described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1334618A GB131428A (en) | 1918-08-16 | 1918-08-16 | Improvements in or relating to Steam Turbines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1334618A GB131428A (en) | 1918-08-16 | 1918-08-16 | Improvements in or relating to Steam Turbines. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB131428A true GB131428A (en) | 1919-08-18 |
Family
ID=32608072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1334618A Expired GB131428A (en) | 1918-08-16 | 1918-08-16 | Improvements in or relating to Steam Turbines. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB131428A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0083109A2 (en) * | 1981-12-29 | 1983-07-06 | Hitachi, Ltd. | Combined plant having steam turbine and gas turbine connected by single shaft |
-
1918
- 1918-08-16 GB GB1334618A patent/GB131428A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0083109A2 (en) * | 1981-12-29 | 1983-07-06 | Hitachi, Ltd. | Combined plant having steam turbine and gas turbine connected by single shaft |
EP0083109A3 (en) * | 1981-12-29 | 1985-04-17 | Hitachi, Ltd. | Combined plant having steam turbine and gas turbine connected by single shaft |
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