IT1021803B - Perfezionamento nelle valvole a farfalla - Google Patents

Perfezionamento nelle valvole a farfalla

Info

Publication number
IT1021803B
IT1021803B IT53536/74A IT5353674A IT1021803B IT 1021803 B IT1021803 B IT 1021803B IT 53536/74 A IT53536/74 A IT 53536/74A IT 5353674 A IT5353674 A IT 5353674A IT 1021803 B IT1021803 B IT 1021803B
Authority
IT
Italy
Prior art keywords
improvement
butterfly valves
butterfly
valves
Prior art date
Application number
IT53536/74A
Other languages
English (en)
Original Assignee
Saab Scania Ab
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 Saab Scania Ab filed Critical Saab Scania Ab
Application granted granted Critical
Publication of IT1021803B publication Critical patent/IT1021803B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Compressor (AREA)
IT53536/74A 1973-10-15 1974-10-14 Perfezionamento nelle valvole a farfalla IT1021803B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7313937A SE383402B (sv) 1973-10-15 1973-10-15 Vridspjellventil

Publications (1)

Publication Number Publication Date
IT1021803B true IT1021803B (it) 1978-02-20

Family

ID=20318804

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53536/74A IT1021803B (it) 1973-10-15 1974-10-14 Perfezionamento nelle valvole a farfalla

Country Status (14)

Country Link
US (1) US3963213A (it)
JP (1) JPS5078922A (it)
BR (1) BR7408534D0 (it)
CA (1) CA1001603A (it)
DE (1) DE2447645C3 (it)
DK (1) DK536274A (it)
ES (1) ES430980A1 (it)
FI (1) FI60918C (it)
FR (1) FR2247653B1 (it)
GB (1) GB1486597A (it)
IT (1) IT1021803B (it)
NL (1) NL7413477A (it)
NO (1) NO137363C (it)
SE (1) SE383402B (it)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037819A (en) * 1976-03-03 1977-07-26 Kamyr Valves Inc. Butterfly valve having metal-to-metal sealing with conical angle-transported vane
DE7733241U1 (de) * 1977-10-28 1978-02-02 Siegwart, Emil, 6603 Sulzbach Verschlussklappe fuer lufttechnische anlagen
JPS54101519A (en) * 1978-01-27 1979-08-10 Kubota Ltd Butterfly valve
GB2031119B (en) * 1978-09-19 1983-01-12 Solent & Pratt Butterfly valve
US4254937A (en) * 1978-11-17 1981-03-10 Aktiebolaget Somas Ventiler Butterfly valve
FR2465936A1 (fr) * 1979-05-08 1981-03-27 Somas Ventiler Perfectionnement a un robinet-vanne papillon
FR2456271A1 (en) * 1979-05-08 1980-12-05 Verdelet Alain Anti-binding butterfly valve - has valve seat forming frustrum of cone with axis inclined to axis of valve bore
FR2457423A1 (fr) * 1979-05-23 1980-12-19 Amri Vanne-papillon a dispositif d'obturation perfectionne
US4296915A (en) * 1980-08-21 1981-10-27 Baumann Hans D Eccentric rotary disk valve with elastic metal seal
US4378104A (en) * 1980-12-31 1983-03-29 Edison International, Inc. Fluid-pressure-loaded seal for butterfly valves
SE427959B (sv) * 1981-04-27 1983-05-24 Saab Scania Ab Tetningsanordning for ventiler
FR2554539B1 (fr) * 1983-11-07 1986-01-31 Verdelet Alain Vanne a papillon perfectionnee
SE456112C (sv) * 1987-01-02 1996-04-29 Somas Ventiler Vridspjällsventil
US5118078A (en) * 1991-05-16 1992-06-02 Tylan General, Inc. Butterfly valve having improved sealing characteristics
DE4225516C2 (de) * 1992-08-01 1996-04-04 Bender Hans Drosselklappe
US6029949A (en) * 1995-04-17 2000-02-29 Flowserve Corporation High performance butterfly valve
US5707040A (en) * 1995-10-12 1998-01-13 Orbit Valve Company Replaceable seal members for butterfly valve
US7243901B2 (en) * 1998-12-21 2007-07-17 Fisher Controls International Llc Rotary valve apparatus and associated methods
US6213141B1 (en) * 1998-12-21 2001-04-10 Philip W. Eggleston Rotary valve apparatus and associated methods
DE19918128A1 (de) * 1999-04-21 2000-10-26 Dieter Moellmann Absperrklappe für Rohrleitungen und Verfahren zur Herstellung derselben
US7080820B2 (en) * 1999-11-16 2006-07-25 Fisher Controls International Llc. Elliptical sealing surface for butterfly valve
DE19959109B4 (de) * 1999-12-08 2012-02-16 Frank Wenig Drehklappenventil
CN1303347C (zh) * 2001-02-26 2007-03-07 株式会社基茨 蝶形阀
DE10128292B4 (de) * 2001-06-12 2017-06-08 Frank Wenig Drehklappenventil
GB0118631D0 (en) * 2001-07-31 2001-09-19 Tri Air Innovations Ltd Air flow controller and fire damper in an air flow duct
US7367358B2 (en) * 2005-02-02 2008-05-06 Universal Infusion Technology, Llc Medical fluid delivery system and method relating to the same
CN1297769C (zh) * 2003-07-23 2007-01-31 黄剑峰 金属密封蝶阀
JP2007226175A (ja) * 2006-01-26 2007-09-06 Epson Imaging Devices Corp 液晶装置及び電子機器
CN101842623B (zh) * 2007-11-28 2012-05-23 三菱电机株式会社 排气气体循环阀阀芯机构
US20110031425A1 (en) * 2008-04-07 2011-02-10 G. W. Lisk Company, Inc. Motor operated butterfly valve
US9109708B2 (en) 2009-08-04 2015-08-18 Borgwarner Inc. Engine breathing system valve and products including the same
EP2569560A4 (en) * 2010-05-14 2017-01-25 Bray International, Inc. Valve assembly and method of using same
RU174861U1 (ru) * 2016-06-08 2017-11-08 Общество с ограниченной ответственностью "Универсал" Задвижка поворотная
US11320053B2 (en) * 2018-05-02 2022-05-03 Neles Finland Oy Valve with a sealing surface that minimizes wear
RU2695551C1 (ru) * 2018-11-29 2019-07-24 Общество с ограниченной ответственностью "ИРМАШ" Поворотный дисковый затвор с тройным эксцентриситетом
CN113490808A (zh) * 2019-02-28 2021-10-08 株式会社开滋 双偏心蝶阀的阀体和双偏心蝶阀
US11953113B2 (en) 2020-02-14 2024-04-09 Crane Chempharma & Energy Corp. Valve with unobstructed flow path having increased flow coefficient
US11841089B2 (en) 2020-02-14 2023-12-12 Crane Chempharma & Energy Corp. Valve with unobstructed flow path having increased flow coefficient
US11946557B2 (en) 2020-02-14 2024-04-02 Crane Chempharma & Energy Corp. Valve with unobstructed flow path having increased flow coefficient
US11519509B2 (en) 2020-02-14 2022-12-06 Crane Chempharma & Energy Corp. Valve with unobstructed flow path having increased flow coefficient
SE2151480A1 (en) * 2021-12-06 2023-06-07 Ab Somas Ventiler Butterfly valve

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2893682A (en) * 1953-07-06 1959-07-07 North American Aviation Inc Butterfly valve and seal
US3393697A (en) * 1958-03-10 1968-07-23 Pratt Co Henry Valve seat
US3275289A (en) * 1963-07-12 1966-09-27 Pratt Co Henry Butterfly valve with frusto-conical metal seat
CH435894A (de) * 1965-03-23 1967-05-15 Adams Karl Klappenventil mit schrägliegendem Dichtring und exzentrischer Welle
JPS4533Y1 (it) * 1965-05-22 1970-01-06
FR1472745A (fr) * 1966-03-29 1967-03-10 Weir Pacific Valves Ltd Perfectionnements aux valves papillon
US3471120A (en) * 1966-06-20 1969-10-07 Dresser Ind Sealing means for butterfly valve
US3475007A (en) * 1966-08-19 1969-10-28 Pratt Co Henry Skewed seat butterfly valve
US3418411A (en) * 1967-01-03 1968-12-24 Pratt Co Henry Method of forming a valve seat structure
CH480577A (de) * 1968-03-28 1969-10-31 Escher Wyss Ag Drosselklappe für Rohrleitungen, insbesondere von Wasserkraftanlagen
US3623696A (en) * 1969-12-30 1971-11-30 Masoneilan Int Inc Eccentric, sealless, rotary valve for flow control
AT324061B (de) * 1972-04-27 1975-08-11 Ecpp & Reuter Gmbh Absperrklappe

Also Published As

Publication number Publication date
DK536274A (it) 1975-06-23
US3963213A (en) 1976-06-15
FI60918B (fi) 1981-12-31
DE2447645C3 (de) 1981-06-04
NO137363B (no) 1977-11-07
FI298274A (it) 1975-04-16
DE2447645B2 (de) 1978-01-05
FR2247653B1 (it) 1977-03-25
NO743690L (it) 1975-05-12
CA1001603A (en) 1976-12-14
FI60918C (fi) 1982-04-13
NL7413477A (nl) 1975-04-17
SE383402B (sv) 1976-03-08
DE2447645A1 (de) 1975-08-28
BR7408534D0 (pt) 1975-09-23
FR2247653A1 (it) 1975-05-09
JPS5078922A (it) 1975-06-27
SE7313937L (it) 1975-04-16
GB1486597A (en) 1977-09-21
ES430980A1 (es) 1976-10-16
NO137363C (no) 1978-02-15

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