ES2104263T3 - Valvula de combinacion de control accionada por valvula piloto. - Google Patents

Valvula de combinacion de control accionada por valvula piloto.

Info

Publication number
ES2104263T3
ES2104263T3 ES94202249T ES94202249T ES2104263T3 ES 2104263 T3 ES2104263 T3 ES 2104263T3 ES 94202249 T ES94202249 T ES 94202249T ES 94202249 T ES94202249 T ES 94202249T ES 2104263 T3 ES2104263 T3 ES 2104263T3
Authority
ES
Spain
Prior art keywords
valve
main valve
guide
operated control
parabolic profile
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
ES94202249T
Other languages
English (en)
Inventor
Gianfranco Aquilino
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.)
Nuovo Pignone Holding SpA
Nuovo Pignone SpA
Original Assignee
Nuovopignone Industrie Meccaniche e Fonderia SpA
Nuovo Pignone SpA
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 Nuovopignone Industrie Meccaniche e Fonderia SpA, Nuovo Pignone SpA filed Critical Nuovopignone Industrie Meccaniche e Fonderia SpA
Application granted granted Critical
Publication of ES2104263T3 publication Critical patent/ES2104263T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
    • F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/04—Devices for relieving the pressure on the sealing faces for sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • 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
    • Y10T137/5762—With leakage or drip collecting
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
    • Y10T137/86968—With balancing chamber
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
    • Y10T137/86984—Actuator moves both valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
  • Valve Housings (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

UNA VALVULA DE CONTROL COMBINADA EN DONDE LA JUNTA DE ESTANQUEIDAD AL EXTERIOR DE LA VALVULA SE CONSIGUE MEDIANTE UN PRENSAESTOPAS DOBLE (32,35) QUE SE ENCUENTRA MONTADO A HORCAJADAS SOBRE UN MANGUITO DE CIERRE HIDRAULICO (28) CON UN RESPIRADERO INTERMEDIO (29) Y ES PRESIONADO AXIALMENTE ENTRE EL VASTAGO (23) Y LA GUIA (11) DEL MIEMBRO DE VALVULAJE PRINCIPAL (5) MEDIANTE UNOS ELEMENTOS ELASTICOS PRECARGADOS (37) Y DICHA GUIA QUEDA PRESIONADA ELASTICAMENTE CONTRA LA SUPERFICIE INCLINADA DE FORMA DIFERENTE DE UN ARO CON REBORDE (42) QUE QUEDA RETENIDO POR UNOS SECTORES CIRCULARES (43,44) FIJADOS DENTRO DEL CUERPO DE LA VALVULA Y EN DONDE HAY UNA SERIE DE LABERINTOS (13) INTERPUESTOS ENTRE DICHA GUIA Y DICHO MIEMBRO DE VALVULAJE PRINCIPAL, EL MIEMBRO DE VALVULAJE AUXILIAR (26) TIENE UN PERFIL PARABOLICO, HAY UN ELEMENTO DE JUNTA DE ESTANQUEIDAD ELASTICO DE FUELLE (12) COLOCADO ENTRE EL PRIMER ASIENTO (4) Y EL CUERPO DE LA VALVULA (1), EN DONDE LA GUARNICION CONSISTE EN UNA ESTRUCTURA CILINDRICA HUECA (14) QUE SE ENCUENTRA INSERTADA COAXIALMENTE EN UNA CAVIDAD FINAL DEL MIEMBRO DE VALVULAJE PRINCIPAL, TIENE UNOS ORIFICIOS TRANSVERSALES (16,17,18) DISPUESTOS DE FORMA DESCENTRADA RESPECTO A UNOS ORIFICIOS CORRESPONDIENTES (19,20) DE LA CAVIDAD DE DICHO MIEMBRO DE VALVULAJE PRINCIPAL Y TERMINA EN UN PERFIL PARABOLICO (16).
ES94202249T 1993-08-13 1994-08-04 Valvula de combinacion de control accionada por valvula piloto. Expired - Lifetime ES2104263T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI931826A IT1272517B (it) 1993-08-13 1993-08-13 Perfezionamenti in una valvola combinata di regolazione particolarmente adatta per centrali termoelettriche

Publications (1)

Publication Number Publication Date
ES2104263T3 true ES2104263T3 (es) 1997-10-01

Family

ID=11366816

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94202249T Expired - Lifetime ES2104263T3 (es) 1993-08-13 1994-08-04 Valvula de combinacion de control accionada por valvula piloto.

Country Status (6)

Country Link
US (1) US5492150A (es)
EP (1) EP0640785B1 (es)
AT (1) ATE155220T1 (es)
DE (1) DE69404098T2 (es)
ES (1) ES2104263T3 (es)
IT (1) IT1272517B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289932B1 (en) * 1999-06-28 2001-09-18 Nor-Cal Products, Inc. Dual port soft start valve
GB0004949D0 (en) 2000-03-02 2000-04-19 Needham David M Fluid flow proportioning device
US6935371B2 (en) * 2002-02-22 2005-08-30 Dresser, Inc. High capacity globe valve
US6807985B2 (en) 2002-06-05 2004-10-26 Dresser, Inc. High rangeability control valve
US8439070B2 (en) 2010-07-23 2013-05-14 Hamilton Sundstrand Corporation Piston valve with built in filtration
CN102748483B (zh) * 2012-07-23 2013-08-07 岳阳筑盛阀门管道有限责任公司 新型结构高压平衡阀
CN104373604B (zh) * 2014-10-17 2017-07-07 沃茨水设备制造（宁波）有限公司 一种自平衡式静态平衡阀
CN107131305A (zh) * 2017-05-09 2017-09-05 厦门匠仕工业设计有限公司 一种泄压结构及具有该泄压结构的角阀
CN109780314A (zh) * 2019-03-21 2019-05-21 无锡智能自控工程股份有限公司 一种悬挂式迷宫套筒结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH395672A (de) * 1960-11-09 1965-07-15 Werner Dipl Ing Imobersteg Ventil
US4022247A (en) * 1976-05-13 1977-05-10 Rockwell International Corporation Balanced valve with pressure sensing means
GB2015704A (en) * 1978-01-25 1979-09-12 Ram Pumps Ltd Fluid control valves for high pressure fluid guns
DE2838973A1 (de) * 1978-09-07 1980-04-17 Eckardt Ag Stellventil
FR2530772B1 (fr) * 1982-07-23 1986-01-31 Rech Realisa Regulation Vanne a commande electromagnetique pour fluide a haute pression
FR2536824A1 (fr) * 1982-11-29 1984-06-01 Electricite De France Dispositif du type robinet a commande magnetique comportant un clapet pilote
JPS59200883A (ja) * 1983-04-28 1984-11-14 Matsushita Electric Ind Co Ltd 圧力比例制御弁
US4886241A (en) * 1987-09-16 1989-12-12 Fisher Controls International, Inc. Valve stem packing containment for high pressure, high temperature
EP0479021B1 (de) * 1990-09-29 1994-12-14 Siemens Aktiengesellschaft Stellventil für dampfförmige oder flüssige Medien
US5192049A (en) * 1992-06-12 1993-03-09 Cashco, Inc. Dual rated live loaded packing system for a valve stem

Also Published As

Publication number Publication date
ITMI931826A0 (it) 1993-08-13
ITMI931826A1 (it) 1995-02-13
EP0640785A1 (en) 1995-03-01
ATE155220T1 (de) 1997-07-15
IT1272517B (it) 1997-06-23
US5492150A (en) 1996-02-20
DE69404098T2 (de) 1998-02-12
DE69404098D1 (de) 1997-08-14
EP0640785B1 (en) 1997-07-09

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