WO2020049477A1 - Vanne bidirectionnelle à obturateurs rotatifs - Google Patents

Vanne bidirectionnelle à obturateurs rotatifs Download PDF

Info

Publication number
WO2020049477A1
WO2020049477A1 PCT/IB2019/057446 IB2019057446W WO2020049477A1 WO 2020049477 A1 WO2020049477 A1 WO 2020049477A1 IB 2019057446 W IB2019057446 W IB 2019057446W WO 2020049477 A1 WO2020049477 A1 WO 2020049477A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow body
gate
cavity
valve according
main duct
Prior art date
Application number
PCT/IB2019/057446
Other languages
English (en)
Inventor
Roberto BOLZONELLA
Andrea RESMINI
Alessandro Betta
Original Assignee
Petrolvalves S.P.A.
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 Petrolvalves S.P.A. filed Critical Petrolvalves S.P.A.
Publication of WO2020049477A1 publication Critical patent/WO2020049477A1/fr

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
    • F16K1/20—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 arranged externally of valve member
    • F16K1/2021—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 arranged externally of valve member with a plurality of valve members
    • 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
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/026—Devices for relieving the pressure on the sealing faces for lift valves using an external auxiliary valve

Abstract

L'invention concerne une vanne comprenant un corps creux (1) comprenant une cavité (2) reliant au moins deux ouvertures (3, 4) du corps creux (1), dans laquelle au moins deux obturateurs (5) peuvent tourner dans la cavité (2) entre une position fermée dans laquelle les obturateurs (5) viennent en butée contre des épaulements respectifs (la) dans le corps creux (1), et une position ouverte, dans laquelle les obturateurs (5) sont mis en rotation et logés au moins partiellement dans des sièges respectifs (9) dans le corps creux (1), dans laquelle au moins une dérivation (21, 22a, 22b, 22c) pourvue d'une ou plusieurs soupapes auxiliaires (20) relie au moins une partie d'extrémité (2a, 2b) de la cavité (2) du corps creux (1) qui mène à l'une desdites ouvertures (3, 4) avec une partie intermédiaire (2c) de la cavité (2) du corps creux (1), ladite partie intermédiaire (2c) étant disposée entre les épaulements (la) destinés aux obturateurs (5), la dérivation (21, 22a, 22b, 22c) comprenant au moins un conduit principal (21) qui est reliée aux parties d'extrémité (2a, 2b) et à la partie intermédiaire (2c) de la cavité (2) par l'intermédiaire d'un ou plusieurs conduits secondaires respectifs (22a, 22b, 22c), le conduit principal (21) et les conduits secondaires (22a, 22b, 22c) étant ménagés dans une ou plusieurs parois du corps creux (1) qui entourent la cavité (2).
PCT/IB2019/057446 2018-09-07 2019-09-04 Vanne bidirectionnelle à obturateurs rotatifs WO2020049477A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT201800008418 2018-09-07
IT102018000008418 2018-09-07

Publications (1)

Publication Number Publication Date
WO2020049477A1 true WO2020049477A1 (fr) 2020-03-12

Family

ID=64427039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2019/057446 WO2020049477A1 (fr) 2018-09-07 2019-09-04 Vanne bidirectionnelle à obturateurs rotatifs

Country Status (1)

Country Link
WO (1) WO2020049477A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR871273A (fr) * 1941-04-02 1942-04-17 Neu Sa Distributeur à écluses pour transport pneumatique de matières abrasives ou fibreuses
US3364944A (en) * 1965-02-05 1968-01-23 John B. Mcgay Valve
JPS59226770A (ja) * 1983-06-09 1984-12-19 Kurimoto Iron Works Ltd 回転弁の均圧装置
EP2119946A1 (fr) * 2008-05-07 2009-11-18 Karl Dungs GmbH & Co.KG Ensemble soupape doté de deux vannes à clapet rotatives

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR871273A (fr) * 1941-04-02 1942-04-17 Neu Sa Distributeur à écluses pour transport pneumatique de matières abrasives ou fibreuses
US3364944A (en) * 1965-02-05 1968-01-23 John B. Mcgay Valve
JPS59226770A (ja) * 1983-06-09 1984-12-19 Kurimoto Iron Works Ltd 回転弁の均圧装置
EP2119946A1 (fr) * 2008-05-07 2009-11-18 Karl Dungs GmbH & Co.KG Ensemble soupape doté de deux vannes à clapet rotatives

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