IT1215692B - Sistema di tenuta per valvola a farfalla. - Google Patents

Sistema di tenuta per valvola a farfalla.

Info

Publication number
IT1215692B
IT1215692B IT8819053A IT1905388A IT1215692B IT 1215692 B IT1215692 B IT 1215692B IT 8819053 A IT8819053 A IT 8819053A IT 1905388 A IT1905388 A IT 1905388A IT 1215692 B IT1215692 B IT 1215692B
Authority
IT
Italy
Prior art keywords
butterfly valve
sealing system
sealing
butterfly
valve
Prior art date
Application number
IT8819053A
Other languages
English (en)
Other versions
IT8819053A0 (it
Inventor
Akira Oshima
Original Assignee
Akira Oshima
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 Akira Oshima filed Critical Akira Oshima
Publication of IT8819053A0 publication Critical patent/IT8819053A0/it
Application granted granted Critical
Publication of IT1215692B publication Critical patent/IT1215692B/it

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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
IT8819053A 1987-06-29 1988-01-12 Sistema di tenuta per valvola a farfalla. IT1215692B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62161812A JPS646564A (en) 1987-06-29 1987-06-29 Sealing device for butterfly valve

Publications (2)

Publication Number Publication Date
IT8819053A0 IT8819053A0 (it) 1988-01-12
IT1215692B true IT1215692B (it) 1990-02-22

Family

ID=15742380

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8819053A IT1215692B (it) 1987-06-29 1988-01-12 Sistema di tenuta per valvola a farfalla.

Country Status (6)

Country Link
US (1) US4860994A (it)
JP (1) JPS646564A (it)
DE (1) DE3806912A1 (it)
FR (1) FR2617263B1 (it)
GB (1) GB2206398B (it)
IT (1) IT1215692B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01188772A (ja) * 1988-01-21 1989-07-28 Akira Oshima バタフライ弁の正逆両圧シール装置
US6439255B1 (en) 2000-11-17 2002-08-27 Mks Instruments, Inc. Valve flapper with dynamic circumference seal
KR20030096592A (ko) * 2002-06-17 2003-12-31 현대자동차주식회사 가변흡기 시스템의 가변밸브 구조
JP4715396B2 (ja) * 2005-08-30 2011-07-06 株式会社デンソー 流体制御弁
US7984892B2 (en) * 2006-02-21 2011-07-26 Ge Aviation Systems, Llc Low friction butterfly ring
US20100006788A1 (en) * 2008-07-09 2010-01-14 Honeywell International Inc. Valve assembly having magnetically-energized seal mechanism
US20110095221A1 (en) * 2009-10-26 2011-04-28 Gabriel Gavril Exhaust brake valve assembly
CN102221092A (zh) * 2011-05-23 2011-10-19 无锡科磊阀业有限公司 软密封蝶阀的密封圈结构
CN103470793B (zh) * 2013-09-22 2015-09-30 浙江贝尔控制阀门有限公司 双斜面偏心蝶阀
GB2530094A (en) * 2014-09-15 2016-03-16 Intelligent Energy Ltd Valve assembly
CN105156699B (zh) * 2015-09-21 2017-09-22 中船重工特种设备有限责任公司 一种带有密封环的三偏心密封蝶阀
FR3097609A1 (fr) 2019-06-18 2020-12-25 Altifort D2Fc Vanne papillon dont l’obturateur comporte un joint dont le montage sous contrainte provoque une saillie radiale
JP2021162082A (ja) * 2020-03-31 2021-10-11 株式会社キッツ 二重偏心型バタフライ弁とその製造方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058996A (en) * 1933-06-28 1936-10-27 Allis Chalmers Mfg Co Butterfly valve
FR2398940A1 (fr) * 1977-07-26 1979-02-23 Amri Double joint torique flexible
DE966554C (de) * 1952-09-30 1957-08-22 Bopp & Reuther Gmbh Drosselklappe mit zur Abdichtung des Klappenumfangs rotationssymmetrisch zur Klappenachse in einer symmetrischen Nut angeordneten Dichtringstuecken
GB880835A (en) * 1959-04-10 1961-10-25 Boving & Co Ltd Improvements in and relating to butterfly valves
US3053543A (en) * 1960-12-12 1962-09-11 Gen Electric Sealing means
US3166291A (en) * 1962-04-25 1965-01-19 M & J Engineering Co Valve construction and method
US3282558A (en) * 1962-09-08 1966-11-01 Swain Frank Edward Annular sealing means
US3275289A (en) * 1963-07-12 1966-09-27 Pratt Co Henry Butterfly valve with frusto-conical metal seat
US3399863A (en) * 1965-07-13 1968-09-03 Pratt Co Henry Skewed axis butterfly valve for high-pressure service
US3556475A (en) * 1968-05-22 1971-01-19 Borg Warner Shutoff valve
US3642248A (en) * 1969-05-07 1972-02-15 Allen & Co Fof Proprietary Fun Sealing mechanism
US3586290A (en) * 1969-06-25 1971-06-22 Garrett Corp Valve
US4154426A (en) * 1974-12-05 1979-05-15 Pont-A-Mousson S.A. Butterfly valve
CH616496A5 (en) * 1977-05-24 1980-03-31 Realmeca Seal for a cock or tap
DE2828238C2 (de) * 1978-06-28 1982-12-16 Bopp & Reuther Gmbh, 6800 Mannheim Dichteinrichtung
GB2033054B (en) * 1978-11-03 1982-12-01 Westad Armaturfab Butterfly valve
DE8002835U1 (de) * 1980-02-04 1980-06-04 Schrupp & Co Gmbh, 5240 Betzdorf Drosselklappe fuer chemisch affine medien
FR2496217A1 (fr) * 1980-12-12 1982-06-18 Realisations Meca Ste Meusienn Dispositif d'etancheite pour vanne
US4632360A (en) * 1981-08-14 1986-12-30 United Aircraft Products, Inc. Butterfly type valve seal
US4513946A (en) * 1982-07-12 1985-04-30 Rockwell International Corporation Valve and valve sealing member
JPS59212575A (ja) * 1983-05-18 1984-12-01 Kitamura Valve Seizo Kk トラニオン型バルブにおけるシ−ル構造
FR2566870B1 (fr) * 1984-06-28 1986-11-28 Amri Dispositif d'etancheite destine a assurer l'etancheite amont/aval d'un obturateur
FR2581728B1 (fr) * 1985-05-10 1987-07-31 Munzing Sa Dispositif annulaire d'etancheite, notamment pour des vannes et robinets

Also Published As

Publication number Publication date
JPS646564A (en) 1989-01-11
DE3806912A1 (de) 1989-01-19
FR2617263B1 (fr) 1991-09-13
IT8819053A0 (it) 1988-01-12
GB8800619D0 (en) 1988-02-10
FR2617263A1 (fr) 1988-12-30
GB2206398A (en) 1989-01-05
US4860994A (en) 1989-08-29
JPH0337063B2 (it) 1991-06-04
GB2206398B (en) 1991-05-29

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950131