GB2247736B - Steam turbine control valve - Google Patents

Steam turbine control valve

Info

Publication number: GB2247736B
Authority: GB; United Kingdom
Prior art keywords: control valve; steam turbine; turbine control; steam; valve
Prior art date: 1990-07-25
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 - Lifetime

Application number

GB9115780A

Other versions

GB2247736A (en

GB9115780D0 (en

Inventor

Robert Cocksedge

Bernard Grantham Crowe

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.)

GE Power UK

Original Assignee

GEC Alsthom 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.)

1990-07-25

Filing date

1991-07-22

Publication date

1994-04-06

1991-07-22 Application filed by GEC Alsthom Ltd filed Critical GEC Alsthom Ltd

1991-09-04 Publication of GB9115780D0 publication Critical patent/GB9115780D0/en

1992-03-11 Publication of GB2247736A publication Critical patent/GB2247736A/en

1994-04-06 Application granted granted Critical

1994-04-06 Publication of GB2247736B publication Critical patent/GB2247736B/en

2011-07-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Details Of Valves (AREA)
Lift Valve (AREA)

GB9115780A 1990-07-25 1991-07-22 Steam turbine control valve Expired - Lifetime GB2247736B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB909016257A GB9016257D0 (en)	1990-07-25	1990-07-25	Steam turbine control valve

Publications (3)

Publication Number	Publication Date
GB9115780D0 GB9115780D0 (en)	1991-09-04
GB2247736A GB2247736A (en)	1992-03-11
GB2247736B true GB2247736B (en)	1994-04-06

Family

ID=10679592

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB909016257A Pending GB9016257D0 (en)	1990-07-25	1990-07-25	Steam turbine control valve
GB9115780A Expired - Lifetime GB2247736B (en)	1990-07-25	1991-07-22	Steam turbine control valve

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB909016257A Pending GB9016257D0 (en)	1990-07-25	1990-07-25	Steam turbine control valve

Country Status (1)

Country	Link
GB (2)	GB9016257D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2447267A (en) *	2007-03-05	2008-09-10	Ltd Dynamic Controls	Fluid flow valve
CN102787871B (en) *	2012-07-10	2014-12-10	东方电气集团东方汽轮机有限公司	Main steam valve of steam turbine

1990
- 1990-07-25 GB GB909016257A patent/GB9016257D0/en active Pending
1991
- 1991-07-22 GB GB9115780A patent/GB2247736B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB2247736A (en)	1992-03-11
GB9115780D0 (en)	1991-09-04
GB9016257D0 (en)	1990-09-12

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Legal Events

Date	Code	Title	Description
1999-12-29	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2007-03-14	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2011-08-10	PE20	Patent expired after termination of 20 years	Expiry date: 20110721