ES2095433T3 - Dispositivo para provocar la caida de presion del aceite a alta presion de accionamiento de valvulas de admision de una turbina en caso de velocidad excesiva. - Google Patents

Dispositivo para provocar la caida de presion del aceite a alta presion de accionamiento de valvulas de admision de una turbina en caso de velocidad excesiva.

Info

Publication number
ES2095433T3
ES2095433T3 ES92402473T ES92402473T ES2095433T3 ES 2095433 T3 ES2095433 T3 ES 2095433T3 ES 92402473 T ES92402473 T ES 92402473T ES 92402473 T ES92402473 T ES 92402473T ES 2095433 T3 ES2095433 T3 ES 2095433T3
Authority
ES
Spain
Prior art keywords
turbine
shutter
actuation
cause
case
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 - Lifetime
Application number
ES92402473T
Other languages
English (en)
Inventor
Alain Hassan
Jacques Pajot
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.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
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 GEC Alsthom SA filed Critical GEC Alsthom SA
Application granted granted Critical
Publication of ES2095433T3 publication Critical patent/ES2095433T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/16—Trip gear
    • F01D21/18—Trip gear involving hydraulic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0971—Speed responsive valve control
    • Y10T137/108—Centrifugal mass type [exclusive of liquid]
    • Y10T137/1135—Rotating valve and rotating governor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0971—Speed responsive valve control
    • Y10T137/108—Centrifugal mass type [exclusive of liquid]
    • Y10T137/1171—With fluid servo-motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Supercharger (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

EL DISPOSITIVO COMPRENDE UN DISPARADOR DE SOBREVELOCIDAD (2) SOLIDARIO DEL ARBOL (1) DE LA TURBINA Y ALIMENTADO, POR DEBAJO DE UN ESTRECHAMIENTO (5), CON ACEITE DE BAJA PRESION POR EL CIRCUITO DE ACEITE DE ENGRASE DE LA TURBINA, CARACTERIZADO EN QUE COMPRENDE UNA HIDROVALVULA (9) QUE COMPRENDE UN CUERPO (23) QUE CONTIENE UNA MARIPOSA OBTURADORA (24) DE UN ORIFICIO DE DESCARGA (12) CONECTADO AL CIRCUITO DE ACEITE DE ALTA PRESION, ESTANDO CONECTADA LA MARIPOSA OBTURADORA (24) A UNA PLACA (25) QUE SEPARA EL INTERIOR DEL CUERPO DE HIDROVALVULA (9), DE UNA MANERA ESTANCA, EN DOS COMPARTIMENTOS UNO DE LOS CUALES (!!) ESTA SITUADO DEL LADO DEL ORIFICIO DE DESCARGA (12) Y QUE COMPRENDE UN ORIFICIO DE EVACUACION (37) Y EL OTRO LLAMADO SEGUNDO COMPARTIMENTO (8) ESTA ALIMENTADO POR DEBAJO DE UN ESTRECHAMIENTO ()5), POR UN ORIFICIO DE ALIMENTACION (7), CON ACEITE DE BAJA PRESION, ESTANDO ADEMAS EL SEGUNDO COMPARTIMENTO (8) CONECTADO AL DISPARADOR DE SOBREVELOCIDAD (2), Y EN QUE EL MOVIL (10) CONSTITUIDO POR LA MARIPOSA OBTURADORA (24) Y LA PLACA (25) ES GUIADA AXIALMENTE POR MEDIOS GUIAS (27, 28, 29), ESTANDO ADEMAS EL MOVIL SOMETIDO A UN ESFUERZO ELASTICO (333) EN EL SENTIDO DE LIBERACION DE LA MARIPOSA (4) DEL ORIFICIO DE DESCARGA (12).
ES92402473T 1991-09-18 1992-09-10 Dispositivo para provocar la caida de presion del aceite a alta presion de accionamiento de valvulas de admision de una turbina en caso de velocidad excesiva. Expired - Lifetime ES2095433T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9111509A FR2681375B1 (fr) 1991-09-18 1991-09-18 Dispositif pour provoquer la chute de pression de l'huile haute pression de commande des soupapes d'admission d'une turbine en cas de survitesse.

Publications (1)

Publication Number Publication Date
ES2095433T3 true ES2095433T3 (es) 1997-02-16

Family

ID=9417070

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92402473T Expired - Lifetime ES2095433T3 (es) 1991-09-18 1992-09-10 Dispositivo para provocar la caida de presion del aceite a alta presion de accionamiento de valvulas de admision de una turbina en caso de velocidad excesiva.

Country Status (9)

Country Link
US (1) US5244005A (es)
EP (1) EP0533535B1 (es)
JP (1) JPH05214902A (es)
AT (1) ATE147132T1 (es)
DE (1) DE69216336T2 (es)
DK (1) DK0533535T3 (es)
ES (1) ES2095433T3 (es)
FR (1) FR2681375B1 (es)
GR (1) GR3022843T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8794268B2 (en) 2010-11-05 2014-08-05 Dresser-Rand Company Voting hydraulic dump system
CN103850724B (zh) * 2012-11-29 2015-12-23 中广核工程有限公司 一种核电站实现汽轮机紧急停机的系统及方法
CN106870023B (zh) * 2017-04-14 2018-12-07 贵州电网有限责任公司电力科学研究院 一种给水泵汽轮机调速系统速关阀开启装置及开启方法
WO2020198599A1 (en) * 2019-03-27 2020-10-01 Salvatore Shifrin Self contained hydraulic lock apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646813A (en) * 1949-02-17 1953-07-28 Niles Bement Pond Co Speed control for rotary motors
US2894521A (en) * 1955-05-31 1959-07-14 Gen Electric Control system for turbine drives
NL103038C (es) * 1956-02-03 1962-06-15
GB1018323A (en) * 1962-05-22 1966-01-26 Ass Elect Ind Improvements in gas turbine installations
US3551066A (en) * 1968-07-15 1970-12-29 Tokyo Shibaura Electric Co Steam turbine control system
SE372055B (es) * 1973-03-23 1974-12-09 Stal Laval Turbin Ab
GB1475065A (en) * 1973-05-15 1977-06-01 Cav Ltd Control valves
US4103592A (en) * 1975-12-19 1978-08-01 General Electric Company Valve operator
US4217814A (en) * 1978-04-07 1980-08-19 Delaval Turbine, Inc. Dual action trip and control valve
CH636932A5 (de) * 1979-06-22 1983-06-30 Sulzer Ag Sicherheitsschaltung mit einem doppeltwirkenden, fluidbetriebenen servomotor.

Also Published As

Publication number Publication date
ATE147132T1 (de) 1997-01-15
DE69216336T2 (de) 1997-04-24
DE69216336D1 (de) 1997-02-13
FR2681375B1 (fr) 1995-01-20
US5244005A (en) 1993-09-14
EP0533535A1 (fr) 1993-03-24
EP0533535B1 (fr) 1997-01-02
FR2681375A1 (fr) 1993-03-19
DK0533535T3 (es) 1997-03-17
JPH05214902A (ja) 1993-08-24
GR3022843T3 (en) 1997-06-30

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